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MB-8708b729c084a7a0e0eedcd149445f5142c0738d2289db15dc5549383e608338 high

📛 Threat Title

Mirai: bot.i386

Category: Mirai Published: Source updated: First seen: Last updated: Source: Abuse.ch

Description

File type: elf. Size: 1136918 bytes. Tags: elf, Mirai. Reporter: abuse_ch. First seen: 2026-09-25 11:38:25.

Indicators of Compromise (3)

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

hash_sha256 8708b729c084a7a0e0eedcd149445f5142c0738d2289db15dc5549383e608338 VT 24 / 75

IOC database

Type
hash_sha256
Value
8708b729c084a7a0e0eedcd149445f5142c0738d2289db15dc5549383e608338
First seen
Last seen
Attached to this threat
Appears in
1 threat
Description
Mirai

Open the full IOC page →

Threat Hunt — feed corroboration

Not present in any configured threat-intel feed.

Flagged by 24 of 75 VirusTotal vendors

VendorVerdictDetection
ALYac malicious Gen:Variant.Linux.Gafgyt.13
Antiy-AVL malicious Trojan[Exploit]/Linux.CVE-2018-10561
Arcabit malicious Trojan.Linux.Gafgyt.13
Avast malicious ELF:CVE-2021-36260-A [Expl]
Avast-Mobile malicious ELF:Mirai-QL [Trj]
AVG malicious ELF:CVE-2021-36260-A [Expl]
Avira malicious EXP/LINUX.CVE-2021-.A
BitDefender malicious Gen:Variant.Linux.Gafgyt.13
CTX malicious elf.unknown.gafgyt
Cynet malicious Malicious (score: 99)
DrWeb malicious Linux.Rootkit.420
Emsisoft malicious Gen:Variant.Linux.Gafgyt.13 (B)
ESET-NOD32 malicious Linux/Mirai.FLD trojan
F-Secure malicious Exploit.EXP/LINUX.CVE-2021-.A
Fortinet malicious ELF/Mirai.AAY!tr
GData malicious Linux.Trojan.Mirai.B
huorong malicious Trojan/Linux.Mirai.f
Kaspersky malicious HEUR:Exploit.Linux.CVE-2018-10561.a
Microsoft malicious Backdoor:Linux/Gafgyt.BA!xp
MicroWorld-eScan malicious Gen:Variant.Linux.Gafgyt.13
Rising malicious Backdoor.Mirai/Linux!1.DEDC (CLASSIC)
SentinelOne malicious Static AI - Suspicious ELF
Tencent malicious Backdoor.Linux.Mirai.yar
VIPRE malicious Gen:Variant.Linux.Gafgyt.13

Details From VirusTotal

Basic Properties
MD59812352ce15cea03de63d20dec92b842
SHA-13aba8bbd86a8b7ddc388531a9c8184cecb987bae
SHA-2568708b729c084a7a0e0eedcd149445f5142c0738d2289db15dc5549383e608338
VHash6e4bb97ab1193c9f55f589c6c973c2cc
SSDEEP24576:t8cWtZteM46ToG9hse3v0AF+V8ceeURWjZR8EMNNs/9Ljz:GjB46Tz3vn+EeoWjZrAN49P
TLSHT157355C5BB2A374BCC157C830879BDA62BD35B46502226E7BB5C4DB302E26D702719F72
File typeELF
File type tagelf
MagicELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, for GNU/Linux 3.2.0, stripped
File size1.1 MB
History
First seen on VirusTotal2026-09-25 11:41 UTC
Last submission2026-09-25 11:41 UTC
Last analysis2026-09-25 11:41 UTC
Last modified on VirusTotal2026-09-25 18:09 UTC
Known Names
  • vy39wo5.exe
  • bot.i386.elf
  • 4s5rljraa.exe
hash_sha1 3aba8bbd86a8b7ddc388531a9c8184cecb987bae VT 24 / 75

IOC database

Type
hash_sha1
Value
3aba8bbd86a8b7ddc388531a9c8184cecb987bae
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 24 of 75 VirusTotal vendors

VendorVerdictDetection
ALYac malicious Gen:Variant.Linux.Gafgyt.13
Antiy-AVL malicious Trojan[Exploit]/Linux.CVE-2018-10561
Arcabit malicious Trojan.Linux.Gafgyt.13
Avast malicious ELF:CVE-2021-36260-A [Expl]
Avast-Mobile malicious ELF:Mirai-QL [Trj]
AVG malicious ELF:CVE-2021-36260-A [Expl]
Avira malicious EXP/LINUX.CVE-2021-.A
BitDefender malicious Gen:Variant.Linux.Gafgyt.13
CTX malicious elf.unknown.gafgyt
Cynet malicious Malicious (score: 99)
DrWeb malicious Linux.Rootkit.420
Emsisoft malicious Gen:Variant.Linux.Gafgyt.13 (B)
ESET-NOD32 malicious Linux/Mirai.FLD trojan
F-Secure malicious Exploit.EXP/LINUX.CVE-2021-.A
Fortinet malicious ELF/Mirai.AAY!tr
GData malicious Linux.Trojan.Mirai.B
huorong malicious Trojan/Linux.Mirai.f
Kaspersky malicious HEUR:Exploit.Linux.CVE-2018-10561.a
Microsoft malicious Backdoor:Linux/Gafgyt.BA!xp
MicroWorld-eScan malicious Gen:Variant.Linux.Gafgyt.13
Rising malicious Backdoor.Mirai/Linux!1.DEDC (CLASSIC)
SentinelOne malicious Static AI - Suspicious ELF
Tencent malicious Backdoor.Linux.Mirai.yar
VIPRE malicious Gen:Variant.Linux.Gafgyt.13

Details From VirusTotal

Basic Properties
MD59812352ce15cea03de63d20dec92b842
SHA-13aba8bbd86a8b7ddc388531a9c8184cecb987bae
SHA-2568708b729c084a7a0e0eedcd149445f5142c0738d2289db15dc5549383e608338
VHash6e4bb97ab1193c9f55f589c6c973c2cc
SSDEEP24576:t8cWtZteM46ToG9hse3v0AF+V8ceeURWjZR8EMNNs/9Ljz:GjB46Tz3vn+EeoWjZrAN49P
TLSHT157355C5BB2A374BCC157C830879BDA62BD35B46502226E7BB5C4DB302E26D702719F72
File typeELF
File type tagelf
MagicELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, for GNU/Linux 3.2.0, stripped
File size1.1 MB
History
First seen on VirusTotal2026-09-25 11:41 UTC
Last submission2026-09-25 11:41 UTC
Last analysis2026-09-25 11:41 UTC
Last modified on VirusTotal2026-09-25 18:09 UTC
Known Names
  • vy39wo5.exe
  • bot.i386.elf
  • 4s5rljraa.exe
hash_md5 9812352ce15cea03de63d20dec92b842 VT: VT base fetch failed: HTTPError: 401 Client Error: Unauthorized for url: https://www.virustotal.com/api/v3/files/9812352ce15cea03de63d20dec92b842

IOC database

Type
hash_md5
Value
9812352ce15cea03de63d20dec92b842
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.

Details From VirusTotal

VirusTotal: VT base fetch failed: HTTPError: 401 Client Error: Unauthorized for url: https://www.virustotal.com/api/v3/files/9812352ce15cea03de63d20dec92b842

References (1)

  • MalwareBazaar sample page Abuse.ch

    File type: elf. Size: 1136918 bytes. Tags: elf, Mirai. Reporter: abuse_ch. First seen: 2026-09-25 11:38:25.

Remediations (10)

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

    Mirai is a self-propagating malware that scans the internet for vulnerable IoT devices and infects them to create a botnet. Mirai variants utilize lists of common default credentials to gain access to devices. Mirai's primary use is for launching distributed denial-of-service (DDoS) attacks, but it has also been used for cryptocurrency mining.

  • [2508.01909] Analyzing The Mirai IoT Botnet and Its Recent Variants ...
    web:arxiv.org

    Mirai is undoubtedly one of the most significant Internet of Things (IoT) botnet attacks in history. In terms of its detrimental effects, seamless spread, and low detection rate, it surpassed its predecessors. Its developers released the source code, which triggered the development of several variants that combined the old code with newer vulnerabilities found on popular IoT devices. The ...

  • A_Survey_on_The_Mirai_IoT_Botnet_and_Its_Recent_Variants (2)
    web:arxiv.org

    Abstract—Mirai is undoubtedly one of the most significant Internet of Things (IoT) botnet attacks in history. In terms of its detrimental effects, seamless spread, and low detection rate, it surpassed its predecessors. Its developers released the source code, which triggered the development of several variants that combined the old code with newer vulnerabilities found on popular IoT devices ...

  • New Mirai Botnet Leverages Zero-Day Exploits on Routers
    web:dailysecurityreview.com

    A new Mirai botnet is using zero-day exploits to target industrial routers and smart home devices, launching high-intensity DDoS attacks. Learn about the vulnerabilities and how to protect your systems.

  • GitHub - illusionsec/DDOS-archive: Explore illusionsec DDOS Archive ...
    web:github.com

    Explore illusionsec DDOS Archive, featuring top-tier scanners, powerful botnets ( Mirai & QBot) and other variants, high-impact exploits, advanced methods, and efficient sniffers.

  • Mirai Source Code - GitHub
    web:github.com

    Mirai is a malware botnet that infects Internet of Things (IoT) devices using default or weak login credentials. Once infected, these devices are controlled by a command-and-control (CnC) server and can be used to launch DDoS attacks. This repo is a fork of the original leaked source code and includes components such as: The bot (runs on IoT devices) The CnC server The loader (infects devices ...

  • In-depth Analysis of a New Mirai Variant - rruzi.github.io
    web:rruzi.github.io

    Based on relevant characteristics, we have associated a batch of similar samples. They are more concise and more similar to the original Mirai in terms of code function and structure design. It is speculated that they may be earlier bot versions. From the naming method of the C2, it conforms to the consistent style of the CatDDoS group - that is, having a special preference for "cats". The ...

  • Mirai Botnet | ARM Reverse Engineering Walkthrough
    web:trainsec.net

    In this particular case, I found an ARM-compiled Mirai botnet sample. The anti-virus checks labeled it as " Mirai ," matching what I found in the documentation, sandbox analyses, and community threat intelligence sources. Mirai is known to compile variants for multiple architectures (ARM, MIPS, x86, x64, etc.), making it adaptable and widespread.

  • Mirai Botnet Forensic Analysis - Cyber - westoahu.hawaii.edu
    web:westoahu.hawaii.edu

    Practicing proper mitigation techniques and being proactive can help reduce device vulnerabilities, and prevent the creation of more bots and limit the resources botnet operators have. References [1] Cloudflare. (2017, December 14). Inside the Infamous Mirai IoT Botnet: A Retrospective.

  • The evolution of Mirai botnet scans over a six-year period
    web:www.sciencedirect.com

    In the specific context of Mirai botnet detection and mitigation , several approaches have been presented in the literature. Some works focus on studying the behavior of the Mirai botnet, examining and monitoring its propagation and impact within networked systems [85], [86], [87].

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