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MB-21f1cb4f65c7076d407807cdedf818727d0a7757873c168bcfe28e1b2a21b1a9 high

📛 Threat Title

Mirai: stub.armv8

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

Description

File type: elf. Size: 777120 bytes. Tags: elf, Mirai. Reporter: abuse_ch. First seen: 2026-09-25 11:05:44.

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 21f1cb4f65c7076d407807cdedf818727d0a7757873c168bcfe28e1b2a21b1a9 VT 13 / 75

IOC database

Type
hash_sha256
Value
21f1cb4f65c7076d407807cdedf818727d0a7757873c168bcfe28e1b2a21b1a9
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 13 of 75 VirusTotal vendors

VendorVerdictDetection
Arcabit malicious Trojan.Linux.Generic.D3946B03
BitDefender malicious Trojan.Linux.GenericKD.60058371
CTX malicious elf.trojan.generic
Emsisoft malicious Trojan.Linux.GenericKD.60058371 (B)
ESET-NOD32 malicious Linux/Agent.BMJ trojan
GData malicious Trojan.Linux.GenericKD.60058371
huorong malicious Trojan/Linux.Agent.es
Lionic malicious Trojan.ELF.Mirai.4!c
McAfeeD malicious Trojan:Script/Dirtydecrypt.EAA
Microsoft malicious Trojan:Script/Wacatac.B!ml
MicroWorld-eScan malicious Trojan.Linux.GenericKD.60058371
Rising malicious Trojan.Agent/Linux!8.13268 (CLOUD)
VIPRE malicious Trojan.Linux.GenericKD.60058371

Details From VirusTotal

Basic Properties
MD5b9c99fdf6830659885b79d4269bfd089
SHA-1743931d5754ba7aca11230ab120b3275ca1084c6
SHA-25621f1cb4f65c7076d407807cdedf818727d0a7757873c168bcfe28e1b2a21b1a9
VHash202226c535fcdaef51692e5ac8a0c32f
SSDEEP12288:qaOMNE5N3B76xF+y0ZdNd7JOSwa5YAmdlStnWtVfkHzBe:qaReBKRU9r1aOnQfkHNe
TLSHT1AFF46C5DFD5F3D43C2C6E23ADB8AC3957227B0D8D61311A321C1021DE6CADAD8B5299E
File typeELF
File type tagelf
MagicELF 64-bit LSB executable, ARM aarch64, version 1 (GNU/Linux), statically linked, for GNU/Linux 3.7.0, not stripped
File size758.9 KB
History
First seen on VirusTotal2026-09-25 11:42 UTC
Last submission2026-09-25 11:42 UTC
Last analysis2026-09-25 11:42 UTC
Last modified on VirusTotal2026-09-25 18:09 UTC
Known Names
  • bohhm99x.exe
  • copy
  • pvtc2.exe
hash_sha1 743931d5754ba7aca11230ab120b3275ca1084c6 VT: VT base fetch failed: HTTPError: 401 Client Error: Unauthorized for url: https://www.virustotal.com/api/v3/files/743931d5754ba7aca11230ab120b3275ca1084c6

IOC database

Type
hash_sha1
Value
743931d5754ba7aca11230ab120b3275ca1084c6
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/743931d5754ba7aca11230ab120b3275ca1084c6

hash_md5 b9c99fdf6830659885b79d4269bfd089 VT 13 / 75

IOC database

Type
hash_md5
Value
b9c99fdf6830659885b79d4269bfd089
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 13 of 75 VirusTotal vendors

VendorVerdictDetection
Arcabit malicious Trojan.Linux.Generic.D3946B03
BitDefender malicious Trojan.Linux.GenericKD.60058371
CTX malicious elf.trojan.generic
Emsisoft malicious Trojan.Linux.GenericKD.60058371 (B)
ESET-NOD32 malicious Linux/Agent.BMJ trojan
GData malicious Trojan.Linux.GenericKD.60058371
huorong malicious Trojan/Linux.Agent.es
Lionic malicious Trojan.ELF.Mirai.4!c
McAfeeD malicious Trojan:Script/Dirtydecrypt.EAA
Microsoft malicious Trojan:Script/Wacatac.B!ml
MicroWorld-eScan malicious Trojan.Linux.GenericKD.60058371
Rising malicious Trojan.Agent/Linux!8.13268 (CLOUD)
VIPRE malicious Trojan.Linux.GenericKD.60058371

Details From VirusTotal

Basic Properties
MD5b9c99fdf6830659885b79d4269bfd089
SHA-1743931d5754ba7aca11230ab120b3275ca1084c6
SHA-25621f1cb4f65c7076d407807cdedf818727d0a7757873c168bcfe28e1b2a21b1a9
VHash202226c535fcdaef51692e5ac8a0c32f
SSDEEP12288:qaOMNE5N3B76xF+y0ZdNd7JOSwa5YAmdlStnWtVfkHzBe:qaReBKRU9r1aOnQfkHNe
TLSHT1AFF46C5DFD5F3D43C2C6E23ADB8AC3957227B0D8D61311A321C1021DE6CADAD8B5299E
File typeELF
File type tagelf
MagicELF 64-bit LSB executable, ARM aarch64, version 1 (GNU/Linux), statically linked, for GNU/Linux 3.7.0, not stripped
File size758.9 KB
History
First seen on VirusTotal2026-09-25 11:42 UTC
Last submission2026-09-25 11:42 UTC
Last analysis2026-09-25 11:42 UTC
Last modified on VirusTotal2026-09-25 18:09 UTC
Known Names
  • bohhm99x.exe
  • copy
  • pvtc2.exe

References (1)

  • MalwareBazaar sample page Abuse.ch

    File type: elf. Size: 777120 bytes. Tags: elf, Mirai. Reporter: abuse_ch. First seen: 2026-09-25 11:05:44.

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.

  • How To Mitigate And Defend Against DDoS Attacks In IoT Devices
    web:arxiv.org

    This solution utilizes unique local address mechanisms of the Internet Protocol Version 6 (IPv6) to defend against these attacks. Index Terms—Internet of Things, Distributed Denial of Service (DDoS), botnets, IPV6 unique local address, security threat, critical infrastructure and services, security features, malicious software, Mirai botnet.

  • 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 ...

  • The Mirai Botnet: The Infamous DDoS Weapon - Blog
    web:dailysecurityreview.com

    The Mirai botnet, a notorious piece of malware, launched devastating DDoS attacks in 2016. This blog post delves into its origins, spread, impact, and the ongoing threat it represents, providing crucial information on mitigating Mirai botnet risks.

  • 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.

  • IoT Secure Gateway: Mirai Mitigation Lab - GitHub
    web:github.com

    IoT Secure Gateway: Mirai Mitigation Lab A network security project that simulates Mirai -style IoT attack behavior and validates a firewall-based defense using Docker, Linux networking, nftables, Bash, and PowerShell automation.

  • 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 ...

  • Dissecting Mirai: Spatio-Sequential Analysis and Restoration ... - Springer
    web:link.springer.com

    Following the public release of its source code in 2016, numerous variants have proliferated, broadening its attack surface and complicating detection and mitigation efforts. Despite extensive research on Mirai , existing analyses remain fragmented and informal, lacking a structured representation of its attack patterns.

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

    The C2 port is randomly selected between 25596 and 25616. In terms of the communication mechanism, Mirai .CatDDoS basically follows the original design of Mirai , except that the fixed 4-byte \x00\x00\x00\x01 when Mirai goes online is modified to a fixed 8-byte: \x31\x73\x13\x93\x04\x83\x32\x04 In terms of the ATTACK_VECTOR, Mirai .CatDDoS implements a richer variety of DDoS attack types than ...

  • IoT Under Siege: The Anatomy of the Latest Mirai Campaign Leveraging ...
    web:unit42.paloaltonetworks.com

    Mirai is a still-active botnet with new variants. We highlight observed exploitation of IoT vulnerabilities — due to low complexity and high impact.

AI Forensic Analysis

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