MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 557a9ef4117523312d5cbf492e618053086e5e6b464e6dd0e9aa2355cee11de5. 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 7 File information Comments

SHA256 hash: 557a9ef4117523312d5cbf492e618053086e5e6b464e6dd0e9aa2355cee11de5
SHA3-384 hash: c6045667985e491cd317012c345d44f777606304244f5ddc6e549a93c093da3b6a94d5ff5363016ecb6494ce1ed3d21c
SHA1 hash: e2e321d828d4745915bda825a0928a5b6582e9ef
MD5 hash: fb8fb65c21b58de93d797da3f9cce503
humanhash: diet-bulldog-undress-twelve
File name:main_mips
Download: download sample
Signature Mirai
File size:173'888 bytes
First seen:2026-01-21 01:15:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:jg57RM7LHZwbq1YSBan1yvbysxr1uGSLI:jglRM7LHZ0Bqyy1BSLI
TLSH T1DB04881D6E228F7EF668873147B74E25976C23DA27E1D640D2ACC1106E6029E641FFEC
telfhash t1564165181e7817b063356c4e159cef3b96a320db7e176c378e51e86aab699835d10c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
95
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
type:Mirai 92.119.164.21:1995
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=fb7a7c36-1800-0000-c424-ab68d1090000 pid=2513 /usr/bin/sudo guuid=1ac70e39-1800-0000-c424-ab68d7090000 pid=2519 /tmp/sample.bin guuid=fb7a7c36-1800-0000-c424-ab68d1090000 pid=2513->guuid=1ac70e39-1800-0000-c424-ab68d7090000 pid=2519 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-21 01:16:44 UTC
File Type:
ELF32 Big (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai discovery
Behaviour
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Traces itself
Deletes itself
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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:Linux_Trojan_Gafgyt_ea92cca8
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 557a9ef4117523312d5cbf492e618053086e5e6b464e6dd0e9aa2355cee11de5

(this sample)

  
Delivery method
Distributed via web download

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