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MB-6eff2e306ad53860ccc4cb4fd5b12d766de2ec6c31e5625934c6c182be688ed4 high

📛 Threat Title

AsyncRAT: AU88.exe

Category: AsyncRAT First seen: Last updated:

Description

File type: exe. Size: 116736 bytes. Tags: AsyncRAT, c2, DCRat, exe, RAT, windows. Reporter: anonymous. First seen: 2026-05-11 17:53:34.

Indicators of Compromise (5)

Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.

domain au88.exe VT: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/domains/au88.exe

IOC database

Type
domain
Value
au88.exe
First seen
Last seen
Attached to this threat
Appears in
2 threats
Description
Extracted from Threat MB-cb5e0d435fbad026262192e4ded328eba2952f35433412cba4d494a2d8661ca5

Open the full IOC page →

Threat Hunt — feed corroboration

Not present in any configured threat-intel feed.

Details From VirusTotal

VirusTotal: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/domains/au88.exe

hash_imphash f34d5f2d4577ed6d9ceec516c1f5a744

IOC database

Type
hash_imphash
Value
f34d5f2d4577ed6d9ceec516c1f5a744
First seen
Last seen
Attached to this threat
Appears in
650 threats
Description
imphash of URLhaus payload 61d424c2e3c5d8db…

Open the full IOC page →

Threat Hunt — feed corroboration

Not present in any configured threat-intel feed.

Details From VirusTotal

No VirusTotal details cached for this IOC. Open the IOC page to query VirusTotal.

hash_sha256 6eff2e306ad53860ccc4cb4fd5b12d766de2ec6c31e5625934c6c182be688ed4 VT 59 / 75

IOC database

Type
hash_sha256
Value
6eff2e306ad53860ccc4cb4fd5b12d766de2ec6c31e5625934c6c182be688ed4
First seen
Last seen
Attached to this threat
Appears in
1 threat
Description
AsyncRAT

Open the full IOC page →

Threat Hunt — feed corroboration

Not present in any configured threat-intel feed.

Flagged by 59 of 75 VirusTotal vendors

VendorVerdictDetection
AhnLab-V3 malicious Trojan/Win32.ADH.C78592
Alibaba malicious Backdoor:MSIL/AsyncRat.e3d370d3
alibabacloud malicious Rat:Win/AsyncRAT.Stub
ALYac malicious Trojan.GenericAD.RAT
Antiy-AVL malicious Trojan[Backdoor]/MSIL.Crysan
APEX malicious Malicious
Arcabit malicious Trojan.AsyncRat.Marte.10
Avast malicious Win32:MalwareX-gen [Drp]
AVG malicious Win32:MalwareX-gen [Drp]
Avira malicious DR/W32.MalwareX
BitDefender malicious Gen:Variant.AsyncRat.Marte.10
Bkav malicious W32.Malware.B8CF05D2
CAT-QuickHeal malicious Backdoor.MsilFC.S13564499
ClamAV malicious Win.Packed.Razy-9625918-0
CrowdStrike malicious win/malicious_confidence_100% (W)
CTX malicious exe.trojan.msil
Cylance malicious Unsafe
DeepInstinct malicious MALICIOUS
DrWeb malicious Trojan.Siggen9.56514
Elastic malicious malicious (high confidence)
Emsisoft malicious Gen:Variant.AsyncRat.Marte.10 (B)
ESET-NOD32 malicious MSIL/AsyncRAT.A trojan
F-Secure malicious Dropper.DR/W32.MalwareX
Fortinet malicious MSIL/AsyncRAT.A!tr
GData malicious MSIL.Trojan.PSE.16I8278
Google malicious Detected
Gridinsoft malicious Trojan.Win32.Packed.sa
huorong malicious Backdoor/Crysan.a
K7AntiVirus malicious Trojan ( 005678321 )
K7GW malicious Trojan ( 005678321 )
Kaspersky malicious HEUR:Backdoor.MSIL.Crysan.gen
Kingsoft malicious MSIL.Backdoor.Crysan.gen
Lionic malicious Trojan.Win32.Crysan.m!c
Malwarebytes malicious Generic.Trojan.MSIL.DDS
MaxSecure malicious Trojan.Malware.300983.susgen
McAfeeD malicious Real Protect-LS!2C8710C6139B
Microsoft malicious Backdoor:MSIL/AsyncRat!atmn
MicroWorld-eScan malicious Gen:Variant.AsyncRat.Marte.10
NANO-Antivirus malicious Trojan.Win32.AsyncRAT.lhfwdq
Paloalto malicious generic.ml
Panda malicious Trj/GdSda.A
Rising malicious Trojan.AntiVM!1.CF63 (CLASSIC)
Sangfor malicious Suspicious.Win32.Save.a
SentinelOne malicious Static AI - Malicious PE
Skyhigh malicious ACL/AsyncRAT Backdoor
Sophos malicious Troj/AsyncRat-B
Symantec malicious Backdoor.ASync!g2
Tencent malicious Trojan.Msil.Agent.zap
Trapmine malicious malicious.moderate.ml.score
TrellixENS malicious ACL/AsyncRAT Backdoor
TrendMicro malicious Backdoor.MSIL.ASYNCRAT.TL0101EC26ZZ
TrendMicro-HouseCall malicious Trojan.Win32.VSX.PE04CA3
Varist malicious W32/MSIL_Agent.HSY.gen!Eldorado
VBA32 malicious OScope.Backdoor.MSIL.Crysan
VIPRE malicious Gen:Variant.AsyncRat.Marte.10
VirIT malicious Trojan.Win32.MSIL_Heur.A
ViRobot malicious Trojan.Win.Z.Asyncrat.116736.R
Xcitium malicious Malware@#2lffg2o23yexv
ZoneAlarm malicious Troj/AsyncRat-B

Details From VirusTotal

Basic Properties
MD52c8710c6139be3f41075f6e3871a0064
SHA-1ed9199db14c44f85fd4a50698ea13d242868612d
SHA-2566eff2e306ad53860ccc4cb4fd5b12d766de2ec6c31e5625934c6c182be688ed4
VHash215036551511c08c2e1d104d
SSDEEP1536:juNz1Tts426iXCEy9kMZZy3kb3e8JjQ3Xid7Hwoju4339Lv:juNxTts42CEy9JZZrb39qyhNFv
TLSHT193B383502A45C21ED12E1AFEB892C3314325EE561D02DE4A28C4AD537533BBEC9767EF
File typeWin32 EXE
File type tagpeexe
File extensionexe
MagicPE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
File size114.0 KB
History
Creation date2026-05-11 07:59 UTC
First seen on VirusTotal2026-05-11 17:50 UTC
Last submission2026-05-11 17:54 UTC
Last analysis2026-06-03 06:04 UTC
Last modified on VirusTotal2026-06-03 17:55 UTC
Known Names
  • Au88Setup.exe
  • ylrqydwu.exe
  • twv65dqs.exe
  • AU88.exe
hash_sha1 ed9199db14c44f85fd4a50698ea13d242868612d VT 59 / 75

IOC database

Type
hash_sha1
Value
ed9199db14c44f85fd4a50698ea13d242868612d
First seen
Last seen
Attached to this threat
Appears in
1 threat

Open the full IOC page →

Threat Hunt — feed corroboration

Not present in any configured threat-intel feed.

Flagged by 59 of 75 VirusTotal vendors

VendorVerdictDetection
AhnLab-V3 malicious Trojan/Win32.ADH.C78592
Alibaba malicious Backdoor:MSIL/AsyncRat.e3d370d3
alibabacloud malicious Rat:Win/AsyncRAT.Stub
ALYac malicious Trojan.GenericAD.RAT
Antiy-AVL malicious Trojan[Backdoor]/MSIL.Crysan
APEX malicious Malicious
Arcabit malicious Trojan.AsyncRat.Marte.10
Avast malicious Win32:MalwareX-gen [Drp]
AVG malicious Win32:MalwareX-gen [Drp]
Avira malicious DR/W32.MalwareX
BitDefender malicious Gen:Variant.AsyncRat.Marte.10
Bkav malicious W32.Malware.B8CF05D2
CAT-QuickHeal malicious Backdoor.MsilFC.S13564499
ClamAV malicious Win.Packed.Razy-9625918-0
CrowdStrike malicious win/malicious_confidence_100% (W)
CTX malicious exe.trojan.msil
Cylance malicious Unsafe
DeepInstinct malicious MALICIOUS
DrWeb malicious Trojan.Siggen9.56514
Elastic malicious malicious (high confidence)
Emsisoft malicious Gen:Variant.AsyncRat.Marte.10 (B)
ESET-NOD32 malicious MSIL/AsyncRAT.A trojan
F-Secure malicious Dropper.DR/W32.MalwareX
Fortinet malicious MSIL/AsyncRAT.A!tr
GData malicious MSIL.Trojan.PSE.16I8278
Google malicious Detected
Gridinsoft malicious Trojan.Win32.Packed.sa
huorong malicious Backdoor/Crysan.a
K7AntiVirus malicious Trojan ( 005678321 )
K7GW malicious Trojan ( 005678321 )
Kaspersky malicious HEUR:Backdoor.MSIL.Crysan.gen
Kingsoft malicious MSIL.Backdoor.Crysan.gen
Lionic malicious Trojan.Win32.Crysan.m!c
Malwarebytes malicious Generic.Trojan.MSIL.DDS
MaxSecure malicious Trojan.Malware.300983.susgen
McAfeeD malicious Real Protect-LS!2C8710C6139B
Microsoft malicious Backdoor:MSIL/AsyncRat!atmn
MicroWorld-eScan malicious Gen:Variant.AsyncRat.Marte.10
NANO-Antivirus malicious Trojan.Win32.AsyncRAT.lhfwdq
Paloalto malicious generic.ml
Panda malicious Trj/GdSda.A
Rising malicious Trojan.AntiVM!1.CF63 (CLASSIC)
Sangfor malicious Suspicious.Win32.Save.a
SentinelOne malicious Static AI - Malicious PE
Skyhigh malicious ACL/AsyncRAT Backdoor
Sophos malicious Troj/AsyncRat-B
Symantec malicious Backdoor.ASync!g2
Tencent malicious Trojan.Msil.Agent.zap
Trapmine malicious malicious.moderate.ml.score
TrellixENS malicious ACL/AsyncRAT Backdoor
TrendMicro malicious Backdoor.MSIL.ASYNCRAT.TL0101EC26ZZ
TrendMicro-HouseCall malicious Trojan.Win32.VSX.PE04CA3
Varist malicious W32/MSIL_Agent.HSY.gen!Eldorado
VBA32 malicious OScope.Backdoor.MSIL.Crysan
VIPRE malicious Gen:Variant.AsyncRat.Marte.10
VirIT malicious Trojan.Win32.MSIL_Heur.A
ViRobot malicious Trojan.Win.Z.Asyncrat.116736.R
Xcitium malicious Malware@#2lffg2o23yexv
ZoneAlarm malicious Troj/AsyncRat-B

Details From VirusTotal

Basic Properties
MD52c8710c6139be3f41075f6e3871a0064
SHA-1ed9199db14c44f85fd4a50698ea13d242868612d
SHA-2566eff2e306ad53860ccc4cb4fd5b12d766de2ec6c31e5625934c6c182be688ed4
VHash215036551511c08c2e1d104d
SSDEEP1536:juNz1Tts426iXCEy9kMZZy3kb3e8JjQ3Xid7Hwoju4339Lv:juNxTts42CEy9JZZrb39qyhNFv
TLSHT193B383502A45C21ED12E1AFEB892C3314325EE561D02DE4A28C4AD537533BBEC9767EF
File typeWin32 EXE
File type tagpeexe
File extensionexe
MagicPE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
File size114.0 KB
History
Creation date2026-05-11 07:59 UTC
First seen on VirusTotal2026-05-11 17:50 UTC
Last submission2026-05-11 17:54 UTC
Last analysis2026-06-03 06:04 UTC
Last modified on VirusTotal2026-06-03 17:55 UTC
Known Names
  • Au88Setup.exe
  • ylrqydwu.exe
  • twv65dqs.exe
  • AU88.exe
hash_md5 2c8710c6139be3f41075f6e3871a0064 VT 56 / 75

IOC database

Type
hash_md5
Value
2c8710c6139be3f41075f6e3871a0064
First seen
Last seen
Attached to this threat
Appears in
1 threat

Open the full IOC page →

Threat Hunt — feed corroboration

Not present in any configured threat-intel feed.

Flagged by 56 of 75 VirusTotal vendors

VendorVerdictDetection
AhnLab-V3 malicious Trojan/Win32.ADH.C78592
Alibaba malicious Backdoor:MSIL/AsyncRat.e3d370d3
alibabacloud malicious Rat:Win/AsyncRAT.Stub
ALYac malicious Trojan.GenericAD.RAT
Antiy-AVL malicious Trojan[Backdoor]/MSIL.Crysan
APEX malicious Malicious
Arcabit malicious Trojan.AsyncRat.Marte.10
Avira malicious DR/W32.MalwareX
BitDefender malicious Gen:Variant.AsyncRat.Marte.10
Bkav malicious W32.Malware.B8CF05D2
CAT-QuickHeal malicious Backdoor.MsilFC.S13564499
ClamAV malicious Win.Packed.Razy-9625918-0
CrowdStrike malicious win/malicious_confidence_100% (W)
CTX malicious exe.trojan.msil
Cylance malicious Unsafe
DeepInstinct malicious MALICIOUS
DrWeb malicious Trojan.Siggen9.56514
Elastic malicious malicious (high confidence)
Emsisoft malicious Gen:Variant.AsyncRat.Marte.10 (B)
ESET-NOD32 malicious MSIL/AsyncRAT.A trojan
F-Secure malicious Dropper.DR/W32.MalwareX
Fortinet malicious MSIL/AsyncRAT.A!tr
GData malicious MSIL.Trojan.PSE.16I8278
Google malicious Detected
Gridinsoft malicious Trojan.Win32.Packed.sa
huorong malicious Backdoor/Crysan.a
K7AntiVirus malicious Trojan ( 005678321 )
K7GW malicious Trojan ( 005678321 )
Kaspersky malicious HEUR:Backdoor.MSIL.Crysan.gen
Kingsoft malicious MSIL.Backdoor.Crysan.gen
Lionic malicious Trojan.Win32.Crysan.m!c
Malwarebytes malicious Generic.Trojan.MSIL.DDS
MaxSecure malicious Trojan.Malware.300983.susgen
McAfeeD malicious Real Protect-LS!2C8710C6139B
Microsoft malicious Backdoor:MSIL/AsyncRat!atmn
MicroWorld-eScan malicious Gen:Variant.AsyncRat.Marte.10
NANO-Antivirus malicious Trojan.Win32.AsyncRAT.lhfwdq
Paloalto malicious generic.ml
Panda malicious Trj/GdSda.A
Rising malicious Trojan.AntiVM!1.CF63 (CLASSIC)
Sangfor malicious Suspicious.Win32.Save.a
SentinelOne malicious Static AI - Malicious PE
Sophos malicious Troj/AsyncRat-B
Symantec malicious Backdoor.ASync!g2
Tencent malicious Trojan.Msil.Agent.zap
Trapmine malicious malicious.moderate.ml.score
TrellixENS malicious ACL/AsyncRAT Backdoor
TrendMicro malicious Backdoor.MSIL.ASYNCRAT.TL0101EC26ZZ
TrendMicro-HouseCall malicious Trojan.Win32.VSX.PE04CA3
Varist malicious W32/MSIL_Agent.HSY.gen!Eldorado
VBA32 malicious OScope.Backdoor.MSIL.Crysan
VIPRE malicious Gen:Variant.AsyncRat.Marte.10
VirIT malicious Trojan.Win32.MSIL_Heur.A
ViRobot malicious Trojan.Win.Z.Asyncrat.116736.R
Xcitium malicious Malware@#2lffg2o23yexv
ZoneAlarm malicious Troj/AsyncRat-B

Details From VirusTotal

Basic Properties
MD52c8710c6139be3f41075f6e3871a0064
SHA-1ed9199db14c44f85fd4a50698ea13d242868612d
SHA-2566eff2e306ad53860ccc4cb4fd5b12d766de2ec6c31e5625934c6c182be688ed4
VHash215036551511c08c2e1d104d
SSDEEP1536:juNz1Tts426iXCEy9kMZZy3kb3e8JjQ3Xid7Hwoju4339Lv:juNxTts42CEy9JZZrb39qyhNFv
TLSHT193B383502A45C21ED12E1AFEB892C3314325EE561D02DE4A28C4AD537533BBEC9767EF
File typeWin32 EXE
File type tagpeexe
File extensionexe
MagicPE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
File size114.0 KB
History
Creation date2026-05-11 07:59 UTC
First seen on VirusTotal2026-05-11 17:50 UTC
Last submission2026-05-11 17:54 UTC
Last analysis2026-06-10 06:04 UTC
Last modified on VirusTotal2026-06-18 07:29 UTC
Known Names
  • Au88Setup.exe
  • ylrqydwu.exe
  • twv65dqs.exe
  • AU88.exe

References (1)

  • MalwareBazaar sample page

    File type: exe. Size: 116736 bytes. Tags: AsyncRAT, c2, DCRat, exe, RAT, windows. Reporter: anonymous. First seen: 2026-05-11 17:53:34.

Remediations (10)

  • AsyncRAT Malware Analysis, Overview by ANY.RUN
    web:any.run

    AsyncRAT is a remote access trojan that observes and administers infected machines. Follow live malware statistics of this downloader and get new reports, samples, IOCs, etc.

  • AsyncRAT - attackevals.github.io
    web:attackevals.github.io

    AsyncRAT is an open source Remote Administration tool maintained by Nyan Cat and leveraged by Blind Eagle in its campaigns 1,2. For the purposes of this emulation a fork of AsyncRAT was made so that documentation could be added and relevent code functions could be highlighted with comments relating to their use and CTI.

  • NYAN-x-CAT/AsyncRAT-C-Sharp - GitHub
    web:github.com

    Open-Source Remote Administration Tool For Windows C# (RAT) - NYAN-x-CAT/ AsyncRAT -C-Sharp

  • AsyncRAT Campaigns Uncovered: How Attackers Abuse ScreenConnect and ...
    web:hunt.io

    Research on AsyncRAT campaigns using trojanized ScreenConnect installers and open directories, exposing resilient attacker infrastructure and C2 tactics. Learn more.

  • AsyncRAT Malware Explained: Remote Access Trojan Used in Cyberattacks
    web:www.checkpoint.com

    AsyncRAT is a family of malware commonly used in cyberattacks as a Remote Access Trojan (RAT), providing remote control to a victim's system. Once AsyncRAT malware infiltrates a system, attackers covertly execute commands, exfiltrate sensitive data, or monitor user activity in the background.

  • AsyncRAT Malware: Analysis, Detection, Removal | Huntress
    web:www.huntress.com

    AsyncRAT removal instructions Manually removing AsyncRAT involves identifying and terminating the malicious processes, deleting associated files, and cleaning altered registry keys. Using endpoint detection and response (EDR) solutions, such as Huntress, is strongly recommended for thorough remediation and prevention of reinfection.

  • Open the wrong "PDF" and attackers gain remote access to your PC
    web:www.malwarebytes.com

    Instead, Windows mounts a virtual drive that quietly installs AsyncRAT , a backdoor Trojan that allows attackers to remotely monitor and control your computer. It's a remote access tool, which means attackers gain remote hands‑on‑keyboard control, while traditional file‑based defenses see almost nothing suspicious on disk.

  • Trojan:Win64/AsyncRat threat description - microsoft.com
    web:www.microsoft.com

    Trojan:Win64/ AsyncRat is a standout as a versatile remote access trojan that first appeared on GitHub in 2019, positioned as a legitimate open-source remote management utility. However, records confirm that following its launch, it has been co-opted for illicit operations by threat actors, including entry-level cybercriminals and organized syndicates tied to ransomware efforts. It is built on ...

  • AsyncRAT Trojan - Malware removal instructions (updated) - PCrisk
    web:www.pcrisk.com

    This script injects AsyncRAT , VenomRAT, or XWorm malware into legitimate processes like notepad.exe, allowing attackers to gain remote access and steal data. Update September 11, 2025 - new campaign spreading AsyncRAT has been discovered. It revealed vast improvements to the malware's infiltration process and anti-detection techniques.

  • Analyzing a Multi-Stage AsyncRAT Campaign via Managed Detection and ...
    web:www.trendmicro.com

    The AsyncRAT campaign analyzed in this report demonstrates the increasing sophistication of threat actors in abusing legitimate services and open-source tools to evade detection and establish persistent remote access.

AI Forensic Analysis

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