MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8b5a8fe602a1c462b26975455ff6bdb1bd3f079c693b618631dc16d9dd9de8b. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8b5a8fe602a1c462b26975455ff6bdb1bd3f079c693b618631dc16d9dd9de8b
SHA3-384 hash: 2eb78d5bd9c45299cee8fbf500be59fe2d3156a2b1be073f94d9361c992a8548309dd8c91afd9ef33da4f5f7ad78885a
SHA1 hash: 20199c5a34ad80310626b0f043d39f1a8ca5a65b
MD5 hash: d4dc17c50830852137867f9b568ce074
humanhash: football-steak-robert-seventeen
File name:arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:205'264 bytes
First seen:2025-12-27 23:55:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:2QkOcLWn5008cgQtW4EXCib+aRsu0DPT81kTpq8ZZj6hh1eRDi:2QkLWV8pWgXCi6aKP81iq8ZZ/RDi
TLSH T15C142B42E9418F12C1C211FAFB6E514D37136BB9E2EE7202DD246FA037868EF0E7A555
telfhash t1e921e060df10095e7be881d4823fe216cefc34993b1220898f28570b5d93dd5345dd17
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 469e762d0391e837ca7410c64cff145ce3de0407c7d7e6866f1e49db1aa19071
File size (compressed) :74'196 bytes
File size (de-compressed) :205'264 bytes
Format:linux/arm
Packed file: 469e762d0391e837ca7410c64cff145ce3de0407c7d7e6866f1e49db1aa19071

Intelligence

File Origin
# of uploads :
1
# of downloads :
36
Origin country :
NL NL
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/40430989-332e-4091-808f-ba33e8b07f69/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc mirai obfuscated rust
Link:
https://www.filescan.io/uploads/6950721ee126b9ff43937a09/reports/b816900b-2107-49d9-bf65-4b3bb455f45d/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-27T21:03:00Z UTC
Last seen:
2025-12-27T21:41:00Z 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/b8b5a8fe602a1c462b26975455ff6bdb1bd3f079c693b618631dc16d9dd9de8b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/defc4fe6-f30a-46cb-9a09-4a487b221d16
Behavior Graph:
Download SVG
%3 guuid=644d12a9-1a00-0000-e93c-b895810b0000 pid=2945 /usr/bin/sudo guuid=508b2fab-1a00-0000-e93c-b895830b0000 pid=2947 /tmp/sample.bin guuid=644d12a9-1a00-0000-e93c-b895810b0000 pid=2945->guuid=508b2fab-1a00-0000-e93c-b895830b0000 pid=2947 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/281b73b9-1677-42bd-aa63-f7e50440d24e
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1840559
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840559 Sample: arm6.elf Startdate: 28/12/2025 Architecture: LINUX Score: 80 35 169.254.169.254, 80 USDOSUS Reserved 2->35 37 151.242.30.13, 12121, 56256, 56258 RASANAIR Iran (ISLAMIC Republic Of) 2->37 39 4 other IPs or domains 2->39 41 Found malware configuration 2->41 43 Antivirus detection for dropped file 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 2 other signatures 2->47 8 arm6.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 file5 33 /usr/local/bin/infinitd, ELF 8->33 dropped 17 arm6.elf sh 8->17         started        19 arm6.elf sh 8->19         started        21 arm6.elf 8->21         started        23 2 other processes 8->23 process6 process7 25 sh systemctl 17->25         started        27 sh systemctl 19->27         started        29 arm6.elf 21->29         started        31 arm6.elf 21->31         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8b5a8fe602a1c462b26975455ff6bdb1bd3f079c693b618631dc16d9dd9de8b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8b5a8fe602a1c462b26975455ff6bdb1bd3f079c693b618631dc16d9dd9de8b/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b8b5a8fe602a1c462b26975455ff6bdb1bd3f079c693b618631dc16d9dd9de8b
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-27 23:56:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xc22r7tafioemkzgs5kfl73l3mn5h4dzy2j3mgdddxaw3hoz32fq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery persistence privilege_escalation
Link:
https://tria.ge/reports/251227-3y4s1sex2b/
Behaviour
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c9d7c8dd-b531-4144-aa7b-ebd3f971b1cb
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/b8b5a8fe602a1c462b26975455ff6bdb1bd3f079c693b618631dc16d9dd9de8b

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 469e762d0391e837ca7410c64cff145ce3de0407c7d7e6866f1e49db1aa19071

Mirai

elf b8b5a8fe602a1c462b26975455ff6bdb1bd3f079c693b618631dc16d9dd9de8b

(this sample)

  
Dropped by
SHA256 469e762d0391e837ca7410c64cff145ce3de0407c7d7e6866f1e49db1aa19071
  
Dropped by
MD5 08bad00156f6836c116f7f88db8a0bb3
  
URLhaus
https://urlhaus.abuse.ch/url/3722819/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3722815/
  
URLhaus
https://urlhaus.abuse.ch/url/3719335/

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