MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a9c10ff6a733c2d5b6f36efe6bc90eeec03d8a02c3cfbb176ba3c6e8959281d. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a9c10ff6a733c2d5b6f36efe6bc90eeec03d8a02c3cfbb176ba3c6e8959281d
SHA3-384 hash: fe103c2f18100a94a535e6b50f670280d15454c4e0786216f5a46b3c43491a86ed5eb0960f19b4a440b789c77cd6835b
SHA1 hash: d95926bee1caee88ade0d492794b8154e068cf2b
MD5 hash: 79200c6ce0c2df4ff4da09621ba1f490
humanhash: delaware-sixteen-sodium-lithium
File name:m9x7k2v8b3.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:25'472 bytes
First seen:2025-12-31 19:21:11 UTC
Last seen:2026-02-01 21:03:56 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:Ry/YOauwQxpMscJRspk/bFC5el6ws3UozMa:Ry/Y4wQHLAOm/bFCqwzl
TLSH T126B2C0F5122DAA60C3720C77FABCCA436831867483A17A7B182887FC657542990FF557
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :25'472 bytes
File size (de-compressed) :56'748 bytes
Format:linux/arm
Unpacked file: a55ecb3d7733f5086fbfa1fcaa97100cafc98c05eb547f038b3e254f558dc18f

Intelligence

File Origin
# of uploads :
2
# of downloads :
63
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/249b80bc-1b6d-4fe1-8fd4-fcb8252d422e/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8274771-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/695577b4127d6a14e0ca9d42/reports/bf9b958a-b513-46d1-bdc9-6957270425e5/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-31T16:19:00Z UTC
Last seen:
2025-12-31T16:59:00Z 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
Link:
https://opentip.kaspersky.com/4a9c10ff6a733c2d5b6f36efe6bc90eeec03d8a02c3cfbb176ba3c6e8959281d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/fae0aaff-5312-44e6-8db6-806860996682
Behavior Graph:
Download SVG
%3 guuid=913b3439-1800-0000-0eb5-eb39200f0000 pid=3872 /usr/bin/sudo guuid=0671663b-1800-0000-0eb5-eb39270f0000 pid=3879 /tmp/sample.bin guuid=913b3439-1800-0000-0eb5-eb39200f0000 pid=3872->guuid=0671663b-1800-0000-0eb5-eb39270f0000 pid=3879 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/98c0ef60-96df-48b8-ad5d-85a2163496ff
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1842807
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4a9c10ff6a733c2d5b6f36efe6bc90eeec03d8a02c3cfbb176ba3c6e8959281d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a9c10ff6a733c2d5b6f36efe6bc90eeec03d8a02c3cfbb176ba3c6e8959281d/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4a9c10ff6a733c2d5b6f36efe6bc90eeec03d8a02c3cfbb176ba3c6e8959281d
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-31 18:24:49 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkobb73kom6c2w3pg3x6npeq53wahwfafq6pxmlwxi6g5ckzfaoq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/251231-x2zetahn9x/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-8274771-0
YARA:
n/a
Link:
https://app.threat.zone/submission/bf74ec89-c366-4fe5-b35a-b0a23c8e5a2a
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/4a9c10ff6a733c2d5b6f36efe6bc90eeec03d8a02c3cfbb176ba3c6e8959281d

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:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf 4a9c10ff6a733c2d5b6f36efe6bc90eeec03d8a02c3cfbb176ba3c6e8959281d

(this sample)

Mirai

elf a55ecb3d7733f5086fbfa1fcaa97100cafc98c05eb547f038b3e254f558dc18f

  
URLhaus
https://urlhaus.abuse.ch/url/3747243/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3746634/
  
Dropping
SHA256 a55ecb3d7733f5086fbfa1fcaa97100cafc98c05eb547f038b3e254f558dc18f
  
Dropping
MD5 561e99467cf0d2fcdc42580abd1bbfc6

Comments