MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03b91f39f73adb4d1a9814d7a7d0c04361f8b87e0b39bf524c6725bd188e6ea9. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03b91f39f73adb4d1a9814d7a7d0c04361f8b87e0b39bf524c6725bd188e6ea9
SHA3-384 hash: e6fff2f25fc0e43e236f3dbec2a3531b25c4ea64db0d668b2c88bb886b04b871ca84fce54a64d9c5d409f2730de386b8
SHA1 hash: 5c7ee46e79056a1f126d93d225076d16d093d420
MD5 hash: 908ee29543a1f9d74195f025fdcc29ea
humanhash: sink-quebec-magnesium-twelve
File name:mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:257'036 bytes
First seen:2025-12-12 23:20:22 UTC
Last seen:2025-12-13 17:50:20 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:/HLZdTwADGPtoEPqVapUE8QMhiD0B7VGJR13:/HvqFoapT3
TLSH T1C844F60AAF610EFBE8ABDE3706E91B0128CD651721A97F367634D514F20A64F19E3C74
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
File size (compressed) :76'776 bytes
File size (de-compressed) :257'036 bytes
Format:linux/mipsel
Packed file: bff5a847e0de5450ab11f029c560a21d8bc7797507479f5b0b7935e36ff2601b

Intelligence

File Origin
# of uploads :
2
# of downloads :
77
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/adc7b144-43ef-4a86-bf3c-736fbde40874/
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm gafgyt mirai obfuscated
Link:
https://www.filescan.io/uploads/693ca3671eac7b9b76a85d30/reports/ab3ad0fa-61a0-4276-b169-9da56f6e3224/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-12T20:26:00Z UTC
Last seen:
2025-12-12T21:14:00Z 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/03b91f39f73adb4d1a9814d7a7d0c04361f8b87e0b39bf524c6725bd188e6ea9/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a9cb849e-9875-442d-8528-c47f38b5fecc
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1831915
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1831915 Sample: mpsl.elf Startdate: 13/12/2025 Architecture: LINUX Score: 80 38 151.242.30.13, 12121, 56250, 56252 RASANAIR Iran (ISLAMIC Republic Of) 2->38 40 109.202.202.202, 80 INIT7CH Switzerland 2->40 42 3 other IPs or domains 2->42 44 Antivirus detection for dropped file 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected Gafgyt 2->50 8 mpsl.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 36 /usr/local/bin/infinitd, ELF 8->36 dropped 17 mpsl.elf 8->17         started        19 mpsl.elf 8->19         started        21 mpsl.elf sh 8->21         started        23 3 other processes 8->23 process6 process7 25 mpsl.elf 17->25         started        28 mpsl.elf 19->28         started        30 mpsl.elf 19->30         started        32 sh 21->32         started        34 sh 23->34         started        signatures8 52 Manipulation of devices in /dev 25->52 54 Deletes system log files 25->54
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/03b91f39f73adb4d1a9814d7a7d0c04361f8b87e0b39bf524c6725bd188e6ea9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03b91f39f73adb4d1a9814d7a7d0c04361f8b87e0b39bf524c6725bd188e6ea9/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/03b91f39f73adb4d1a9814d7a7d0c04361f8b87e0b39bf524c6725bd188e6ea9
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-12 23:21:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ao4r6opxhlnu2guyctl2pugainq7rod6bm436usmm4s32geon2uq._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/251212-3blnxsat8c/
Behaviour
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/001e37ae-3056-48ef-9c6a-c2bd8a3d7aac
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/03b91f39f73adb4d1a9814d7a7d0c04361f8b87e0b39bf524c6725bd188e6ea9

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: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 03b91f39f73adb4d1a9814d7a7d0c04361f8b87e0b39bf524c6725bd188e6ea9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3722818/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3722801/
  
URLhaus
https://urlhaus.abuse.ch/url/3719338/

Comments