MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbd3fb6d7d867a42d40a78d344e8a3aa15efe4fff7d79058fc2fc5d5336a14e8. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fbd3fb6d7d867a42d40a78d344e8a3aa15efe4fff7d79058fc2fc5d5336a14e8
SHA3-384 hash: 253a7359e8647a3099949c765380799ece103bf1882901081ac04451acf1d3797e447ee55ea9a630f5247d242d3bc98c
SHA1 hash: 48e2d45a7b725e0e971ba848dd480401b6d83ced
MD5 hash: 3d6f17dc8b6d15ebf7fe11179672a967
humanhash: louisiana-spaghetti-arkansas-iowa
File name:Polar.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:73'812 bytes
First seen:2025-12-04 17:10:42 UTC
Last seen:2025-12-05 06:36:11 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:HnMVNqkK377kYf8qaols/9jGtavTGK5D4k3icy3VSWuRdHJ7Uxb:HaK3MLQlWTGKpx3icyduR95UF
TLSH T16873022966FA7D9CD52D1CB064AC0B3A7F0750D6268909E96313458FFB2827E667B0F0
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 gafgyt mirai UPX
File size (compressed) :73'812 bytes
File size (de-compressed) :234'588 bytes
Format:linux/mipsel
Unpacked file: 7a997cc714605a82add49eb6a97b1609ab161f9d6c656692c55d5d690a01128a

Intelligence

File Origin
# of uploads :
2
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/eafb17f3-0c81-4fbb-bfa5-55645f030fc6/
Detection(s):
SecuriteInfo.com.Linux.Mirai-20.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6931c0b67140d837fd91a9bf/reports/a399743a-3631-4288-966c-07437aa127c1/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-04T15:21:00Z UTC
Last seen:
2025-12-06T01:30:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/fbd3fb6d7d867a42d40a78d344e8a3aa15efe4fff7d79058fc2fc5d5336a14e8/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9b188c12-3757-4099-a4c1-68df65b4e7ad
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1826546
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826546 Sample: Polar.mpsl.elf Startdate: 04/12/2025 Architecture: LINUX Score: 80 22 uraniumc2.ddns.net 2->22 24 uraniumc2.ddns.net 143.20.185.225, 55692, 55694, 69 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->24 26 3 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 36 2 other signatures 2->36 8 Polar.mpsl.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 Polar.mpsl.elf 8->12         started        14 Polar.mpsl.elf 8->14         started        16 Polar.mpsl.elf 8->16         started        process6 18 Polar.mpsl.elf 12->18         started        20 Polar.mpsl.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fbd3fb6d7d867a42d40a78d344e8a3aa15efe4fff7d79058fc2fc5d5336a14e8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fbd3fb6d7d867a42d40a78d344e8a3aa15efe4fff7d79058fc2fc5d5336a14e8/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 17:11:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7pj7w3l5qz5efvakpdjuj2fdvik67zh767lzawh4f7c5km3kctua._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251204-vqc2bs1ka1/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/95eab2f0-09f9-488a-8cb5-40e622308009
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/fbd3fb6d7d867a42d40a78d344e8a3aa15efe4fff7d79058fc2fc5d5336a14e8

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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 fbd3fb6d7d867a42d40a78d344e8a3aa15efe4fff7d79058fc2fc5d5336a14e8

(this sample)

Mirai

elf 7a997cc714605a82add49eb6a97b1609ab161f9d6c656692c55d5d690a01128a

  
URLhaus
https://urlhaus.abuse.ch/url/3712748/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 7a997cc714605a82add49eb6a97b1609ab161f9d6c656692c55d5d690a01128a
  
Dropping
MD5 95192ca357f6d560c29dcf7a9e519967
  
URLhaus
https://urlhaus.abuse.ch/url/3711526/

Comments