MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9ff5d044ae8ba633b4db2f4083f0a0121cebc2c657991b60f9a1efe3a26f19e. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9ff5d044ae8ba633b4db2f4083f0a0121cebc2c657991b60f9a1efe3a26f19e
SHA3-384 hash: 92cf3fccc6df1f579082a0e2727cb91c9adf98bf77bc846cb99e40ac57c833fdde5d7a49667a09c69dcb3c01f12f194c
SHA1 hash: 547081bd11873e375accd91d064c62f13cb41d53
MD5 hash: f53efa1cf56b446a651cd7625ca846a8
humanhash: lactose-aspen-fillet-apart
File name:shadow.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:71'428 bytes
First seen:2025-12-30 17:07:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:YoRiUIW+miYG0rFoNLBWhbgMsZonkhS16Lri/kCowv1RhmXa9M1/kXus8rG237:tRFkFihgMkIQPSZow/hmXa9S/s38yI
TLSH T1636307D1B001CD3CFA1AD6B5C5990616EA28A35095930F6F8ABFFDD36D321A85E27C81
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
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/ec035b50-76f8-41b2-a96d-9152cf25858b/
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

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

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

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/695406ff8d1aa9829e275c86/reports/bfcfc59f-c7fa-4158-b437-fbd6c685cee7/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-30T14:12:00Z UTC
Last seen:
2025-12-31T00:22:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ge
Link:
https://opentip.kaspersky.com/a9ff5d044ae8ba633b4db2f4083f0a0121cebc2c657991b60f9a1efe3a26f19e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/91ca51fc-7e87-4288-82a7-ae17f543e6b5
Behavior Graph:
Download SVG
%3 guuid=cc1f4807-1700-0000-ee3b-623c710e0000 pid=3697 /usr/bin/sudo guuid=c7aeef08-1700-0000-ee3b-623c7d0e0000 pid=3709 /tmp/sample.bin guuid=cc1f4807-1700-0000-ee3b-623c710e0000 pid=3697->guuid=c7aeef08-1700-0000-ee3b-623c7d0e0000 pid=3709 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2d417b35-17c6-445a-b59f-eff1ddec9ab6
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1842186
Signature
Multi AV Scanner detection for submitted file
Performs DNS TXT record lookups
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842186 Sample: shadow.m68k.elf Startdate: 30/12/2025 Architecture: LINUX Score: 56 24 kurol.io 2->24 26 81.88.18.108, 43236, 6767 LEVEL3US Germany 2->26 28 3 other IPs or domains 2->28 30 Multi AV Scanner detection for submitted file 2->30 9 shadow.m68k.elf 2->9         started        12 dash rm 2->12         started        14 dash grep 2->14         started        16 dash rm 2->16         started        signatures3 32 Performs DNS TXT record lookups 24->32 process4 signatures5 34 Sample deletes itself 9->34 18 shadow.m68k.elf 9->18         started        process6 process7 20 shadow.m68k.elf 18->20         started        process8 22 shadow.m68k.elf 20->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a9ff5d044ae8ba633b4db2f4083f0a0121cebc2c657991b60f9a1efe3a26f19e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a9ff5d044ae8ba633b4db2f4083f0a0121cebc2c657991b60f9a1efe3a26f19e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a9ff5d044ae8ba633b4db2f4083f0a0121cebc2c657991b60f9a1efe3a26f19e
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-30 17:08:17 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vh7v2bck5c5ggo2nwl2aqpykaeq45pbmmv4zdnqptipp4org6gpa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux upx
Link:
https://tria.ge/reports/251230-vnegdayjax/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/00ac7a3b-40fa-4703-adcd-ebbca3dde7be
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/a9ff5d044ae8ba633b4db2f4083f0a0121cebc2c657991b60f9a1efe3a26f19e

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
Rule name:unixredflags3
Create hunting rule
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 a9ff5d044ae8ba633b4db2f4083f0a0121cebc2c657991b60f9a1efe3a26f19e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3742269/
  
Delivery method
Distributed via web download

Comments