MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2fea1728b61283e8342ecdd0ab6b80051f5683956f54692181b8dc73091ebde8. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2fea1728b61283e8342ecdd0ab6b80051f5683956f54692181b8dc73091ebde8
SHA3-384 hash: f91e275364a4ce44f8bfb3abaf108c7c830b879755767402fe10bd831911e91b2a70a3247f4dcf03fca92d731e36a0ad
SHA1 hash: 26763026d2f6fa04aabb1f883169b6635673837b
MD5 hash: 158faa41710ee5fc3b5046e8d8b455c0
humanhash: double-fanta-connecticut-steak
File name:Polar.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:230'908 bytes
First seen:2025-12-04 17:51:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:asmaJvtFwnUPhUYqBgaNgxKGU7hRGTbPnL:ZmaCnUPaCHUkL
TLSH T19B34B81E6F218F7DF7A886345BB34E24976923D627E1D584D1ACD2011F2029E642FFB8
telfhash t14b41d42c0e7807b4a2296c5d44acff26d6a330df7e161c238e10e86eeb69f434d15c19
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 2c820f31b7b9ec4a284954f7aa20f8d4eed5e75b045a1363a532faae531b9dbe
File size (compressed) :71'732 bytes
File size (de-compressed) :230'908 bytes
Format:linux/mips
Packed file: 2c820f31b7b9ec4a284954f7aa20f8d4eed5e75b045a1363a532faae531b9dbe

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
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/9d81e560-fe7a-46e8-b6e8-2025ac410125/
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.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-8041698-0
Create hunting rule

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

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

Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-04T15:00:00Z UTC
Last seen:
2025-12-05T00:38:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Link:
https://opentip.kaspersky.com/2fea1728b61283e8342ecdd0ab6b80051f5683956f54692181b8dc73091ebde8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3ea1630d-34d7-4b54-8330-d6b90078f49f
Behavior Graph:
Download SVG
%3 guuid=873b692b-1800-0000-c6a3-bfb2df0b0000 pid=3039 /usr/bin/sudo guuid=97bfef2d-1800-0000-c6a3-bfb2e60b0000 pid=3046 /tmp/sample.bin guuid=873b692b-1800-0000-c6a3-bfb2df0b0000 pid=3039->guuid=97bfef2d-1800-0000-c6a3-bfb2e60b0000 pid=3046 execve guuid=390a3d2f-1800-0000-c6a3-bfb2ec0b0000 pid=3052 /usr/bin/dash guuid=97bfef2d-1800-0000-c6a3-bfb2e60b0000 pid=3046->guuid=390a3d2f-1800-0000-c6a3-bfb2ec0b0000 pid=3052 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/94912d17-ef61-425c-a3b6-c8edf1013268
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1826622
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826622 Sample: Polar.mips.elf Startdate: 04/12/2025 Architecture: LINUX Score: 76 22 uraniumc2.ddns.net 2->22 24 uraniumc2.ddns.net 143.20.185.225, 50564, 50566, 69 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->24 26 daisy.ubuntu.com 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 34 Yara detected Gafgyt 2->34 8 Polar.mips.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 36 Uses dynamic DNS services 22->36 process4 process5 12 Polar.mips.elf 8->12         started        14 Polar.mips.elf 8->14         started        16 Polar.mips.elf 8->16         started        process6 18 Polar.mips.elf 12->18         started        20 Polar.mips.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2fea1728b61283e8342ecdd0ab6b80051f5683956f54692181b8dc73091ebde8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2fea1728b61283e8342ecdd0ab6b80051f5683956f54692181b8dc73091ebde8/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/2fea1728b61283e8342ecdd0ab6b80051f5683956f54692181b8dc73091ebde8
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 17:52:16 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f7vbokfwckb6qnbozxikw24aaupvna4vn5kgsimbxdohgci6xxua._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251204-wft3ja1ncs/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/d3fafed7-379a-4f6d-9f62-9f3b9540de3d
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/2fea1728b61283e8342ecdd0ab6b80051f5683956f54692181b8dc73091ebde8

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
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:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
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 2c820f31b7b9ec4a284954f7aa20f8d4eed5e75b045a1363a532faae531b9dbe

Mirai

elf 2fea1728b61283e8342ecdd0ab6b80051f5683956f54692181b8dc73091ebde8

(this sample)

  
Dropped by
SHA256 2c820f31b7b9ec4a284954f7aa20f8d4eed5e75b045a1363a532faae531b9dbe
  
URLhaus
https://urlhaus.abuse.ch/url/3712750/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 35363a6e1de67c561566895b7bdf0e98
  
URLhaus
https://urlhaus.abuse.ch/url/3711579/

Comments