MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81bc32c435fb347b817adba424c248a00e0a0d016f51fef95dff6498ef06e2af. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81bc32c435fb347b817adba424c248a00e0a0d016f51fef95dff6498ef06e2af
SHA3-384 hash: 321a5f1a2d5b73c7a37ffcb6d15a36eaedc933f4d91a2cd5ef36ff0a885ddc2412d8a270a382019d313fd547871739e0
SHA1 hash: 54c152549420426d179cf17ec429244adadea895
MD5 hash: ef04354acd9bec17e305488cc6280773
humanhash: florida-mike-delaware-wyoming
File name:m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:190'220 bytes
First seen:2025-11-22 15:58:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:yFxjWTpacHlYtMkTL9yxsiP7hURAL7j2tP1t6V9jbi/LhiYo3R8:/pxHgpyx9PFURAKN1tnL0TR8
TLSH T114045CE3FC01DDBEF81FE77684034805B230B75124925B3663A3BA6B9D3A0595973E86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
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
Link:
https://research.acce.ciphertechsolutions.com/results/9d60f759-558e-4913-afed-f768dfaac098/
Detection(s):
Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Mirai-10012509-0
Create hunting rule

Unix.Trojan.Mirai-10017111-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/6921ddd9eecb08e4aa44d2d8/reports/d1fdcbbb-e260-42e6-9ffd-bb2da0e27657/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-21T04:41:00Z UTC
Last seen:
2025-11-23T01:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/81bc32c435fb347b817adba424c248a00e0a0d016f51fef95dff6498ef06e2af/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/295d731c-7ff8-41f3-9b94-06a1fb09390a
Behavior Graph:
Download SVG
%3 guuid=21e7cfb0-1600-0000-bd1c-492dab0c0000 pid=3243 /usr/bin/sudo guuid=e67bd5b3-1600-0000-bd1c-492dad0c0000 pid=3245 /tmp/sample.bin guuid=21e7cfb0-1600-0000-bd1c-492dab0c0000 pid=3243->guuid=e67bd5b3-1600-0000-bd1c-492dad0c0000 pid=3245 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fdec52a7-a4b0-4167-9542-0f0e3ccbcc73
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1819108
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819108 Sample: m68k.elf Startdate: 22/11/2025 Architecture: LINUX Score: 48 12 109.202.202.202, 80 INIT7CH Switzerland 2->12 14 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->14 16 2 other IPs or domains 2->16 18 Multi AV Scanner detection for submitted file 2->18 6 dash rm 2->6         started        8 dash rm 2->8         started        10 m68k.elf 2->10         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81bc32c435fb347b817adba424c248a00e0a0d016f51fef95dff6498ef06e2af
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81bc32c435fb347b817adba424c248a00e0a0d016f51fef95dff6498ef06e2af/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-21 08:09:22 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qg6dfrbv7m2hxal23oscjqsiuahaudibn5i756k575sjr3yg4kxq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251122-te8hesyng1/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d3577a52-7fb3-4c15-85b4-2e6a1780b55a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/81bc32c435fb347b817adba424c248a00e0a0d016f51fef95dff6498ef06e2af

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses

File information

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

Web download

Mirai

elf 81bc32c435fb347b817adba424c248a00e0a0d016f51fef95dff6498ef06e2af

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3693011/
  
Delivery method
Distributed via web download

Comments