MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7dba12cec5abfdbbc1355c415f7fedb1f2070e1261537d3f5ce2623e35bc437. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: b7dba12cec5abfdbbc1355c415f7fedb1f2070e1261537d3f5ce2623e35bc437
SHA3-384 hash: 96e5b88a066131caed36c12b5738638d9dfe2b3d61a4dd9dfac846b12e671101b7940848167b6c8bd35119979262e9cd
SHA1 hash: 5182bff5bd066fe6127fe75f8436f9fa4df16c70
MD5 hash: cb2cd3632c2a7ec366f91257cbac5f5d
humanhash: diet-wolfram-lima-lake
File name:most-m68k
Download: download sample
Signature Mirai
File size:153'760 bytes
First seen:2025-05-09 10:43:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:9yntSnhqB0nubMW2fUi8mPyVHjbihLORaEryXckJno:8maM7fWmPTLORZyX1no
TLSH T1FDE33AC7F800DDBAF80AE73748530909B530BBE105925B377257797BEC3A1991927E86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1685269 Sample: most-m68k.elf Startdate: 09/05/2025 Architecture: LINUX Score: 84 24 net-killer.cameraddns.net. [malformed] 2->24 26 net-killer.ydns.eu. [malformed] 2->26 28 6 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 9 most-m68k.elf 2->9         started        11 xfce4-session xfdesktop 2->11         started        13 xfce4-session xfdesktop 2->13         started        15 5 other processes 2->15 signatures3 38 Uses dynamic DNS services 24->38 40 Sends malformed DNS queries 26->40 process4 process5 17 most-m68k.elf 9->17         started        process6 19 most-m68k.elf 17->19         started        signatures7 42 Sample tries to kill multiple processes (SIGKILL) 19->42 22 most-m68k.elf 19->22         started        process8
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-05-09 10:44:20 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-6981989-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
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 b7dba12cec5abfdbbc1355c415f7fedb1f2070e1261537d3f5ce2623e35bc437

(this sample)

  
Delivery method
Distributed via web download

Comments