MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b71a641cd22b7ca6c5cc48a926c932bb7a2cb2c6b7c1671a0c5c25cb071d57a. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Mirai


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 2b71a641cd22b7ca6c5cc48a926c932bb7a2cb2c6b7c1671a0c5c25cb071d57a
SHA3-384 hash: 38cd4915de3e04432455370e9b0f016f9871266c389935edf25c675eb85c1052e78d775af70fafc8d577728ac5a1f73c
SHA1 hash: 431e14f14298ec4b2430f13173687b08e2b4e702
MD5 hash: 667d2335076c43fb3848822242bed00d
humanhash: dakota-east-mango-muppet
File name:Orbt.m68k
Download: download sample
Signature Mirai
File size:188'576 bytes
First seen:2025-10-26 16:18:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:t3prOZ7+EwVQlX1JiLaT+Qp7hjnym1QNTIN/17FHqW9yZAZsVKjbijLDQe20x2m:t3IZ7+38JxzymCNTIT7FJkAZALDQAxF
TLSH T1970429CBF800EDBEF80AE7774C530806B130A7B254925A337257796BE93A1E50567F86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
119
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade obfuscated remote
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-26T11:06:00Z UTC
Last seen:
2025-10-26T20:51:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=5c5e04bd-1700-0000-8137-d0e84a0c0000 pid=3146 /usr/bin/sudo guuid=cd08c4be-1700-0000-8137-d0e8500c0000 pid=3152 /tmp/sample.bin guuid=5c5e04bd-1700-0000-8137-d0e84a0c0000 pid=3146->guuid=cd08c4be-1700-0000-8137-d0e8500c0000 pid=3152 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1801985 Sample: Orbt.m68k.elf Startdate: 26/10/2025 Architecture: LINUX Score: 68 26 mirailoversddos.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 6 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Gafgyt 2->36 8 Orbt.m68k.elf 2->8         started        10 dash rm 2->10         started        12 dash cat 2->12         started        14 9 other processes 2->14 signatures3 38 Uses dynamic DNS services 26->38 process4 process5 16 Orbt.m68k.elf 8->16         started        18 Orbt.m68k.elf 8->18         started        20 Orbt.m68k.elf 8->20         started        process6 22 Orbt.m68k.elf 16->22         started        24 Orbt.m68k.elf 16->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-26 14:03:03 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 2b71a641cd22b7ca6c5cc48a926c932bb7a2cb2c6b7c1671a0c5c25cb071d57a

(this sample)

  
Delivery method
Distributed via web download

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