MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d991c54eee8e632e42f7af9f0695c368e1ad0a2a9d4fd0bde3fb0be16b1ffcbd. 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 2 File information Comments

SHA256 hash: d991c54eee8e632e42f7af9f0695c368e1ad0a2a9d4fd0bde3fb0be16b1ffcbd
SHA3-384 hash: b7ffc784efda6860f895258d86d866e558688f9dd99da6a210854bac2dca16e0b3993ef648d63a4dcb3617e1f7e24784
SHA1 hash: 244c22df2bf9a9f25899fada988659dd7cf653d7
MD5 hash: e8cd1db481184dcf8848d27fdc6c1105
humanhash: video-rugby-stairway-sink
File name:m68k
Download: download sample
Signature Mirai
File size:109'764 bytes
First seen:2025-07-21 22:39:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:WB0wkTXgtrd4rn1WMaGqGSGy5Dn2p/iPceOdwoen:WB0wkGd4rmjoy5j2p/Ccbhen
TLSH T1BEB33B87F800DEBEF44DD7774053490AB630A3A10E921A767213296BFD3A1E55937F8A
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
18
Origin country :
DE DE
Vendor Threat Intelligence
Status:
terminated
Behavior Graph:
%3 guuid=119c91f9-1700-0000-9472-9138d60c0000 pid=3286 /usr/bin/sudo guuid=566f78fb-1700-0000-9472-9138da0c0000 pid=3290 /tmp/sample.bin guuid=119c91f9-1700-0000-9472-9138d60c0000 pid=3286->guuid=566f78fb-1700-0000-9472-9138da0c0000 pid=3290 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
56 / 100
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1741632 Sample: m68k.elf Startdate: 22/07/2025 Architecture: LINUX Score: 56 42 155.132.115.202 ZAMRENZM France 2->42 44 155.181.44.140 ZAMRENZM United States 2->44 46 98 other IPs or domains 2->46 48 Multi AV Scanner detection for submitted file 2->48 10 m68k.elf 2->10         started        signatures3 process4 process5 12 m68k.elf 10->12         started        process6 14 m68k.elf 12->14         started        17 m68k.elf 12->17         started        signatures7 52 Sample tries to kill multiple processes (SIGKILL) 14->52 19 m68k.elf sh 14->19         started        21 m68k.elf sh 14->21         started        23 m68k.elf sh 14->23         started        25 73 other processes 14->25 process8 process9 27 sh killall 19->27         started        30 sh killall 21->30         started        32 sh killall 23->32         started        34 sh killall 25->34         started        36 sh killall 25->36         started        38 sh killall 25->38         started        40 70 other processes 25->40 signatures10 50 Terminates several processes with shell command 'killall' 27->50
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-21 22:40:32 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:kyton 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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
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 d991c54eee8e632e42f7af9f0695c368e1ad0a2a9d4fd0bde3fb0be16b1ffcbd

(this sample)

  
Delivery method
Distributed via web download

Comments