MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c820f31b7b9ec4a284954f7aa20f8d4eed5e75b045a1363a532faae531b9dbe. 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: 2c820f31b7b9ec4a284954f7aa20f8d4eed5e75b045a1363a532faae531b9dbe
SHA3-384 hash: ae482a6ab7712b68c40997e8db6126dc2804edb3bf46f2cf60b2a3e402f9f0405255f616eac2056b79ed7d0383771cfc
SHA1 hash: 2f6a662ffda94d60a669edc46b2ead799522d47b
MD5 hash: 35363a6e1de67c561566895b7bdf0e98
humanhash: east-indigo-oven-oscar
File name:Polar.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:71'732 bytes
First seen:2025-12-04 17:50:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:17KqJvSJMrQf9y6TPtlYIWwY23pezp54yKxagb+6WvlSw5hxlVJue:171EMEf9y6TP/YIHY0ezp54yKxoHtSwp
TLSH T1CC63029FFF33926ECAC8D2B3CE4443929F180F557147841A7EE4A751C681DEB680A726
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) :71'732 bytes
File size (de-compressed) :230'908 bytes
Format:linux/mips
Unpacked file: 2fea1728b61283e8342ecdd0ab6b80051f5683956f54692181b8dc73091ebde8

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ddd3573a-3686-4d23-9668-1f6552f668c3/
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-04T16:01:00Z UTC
Last seen:
2025-12-04T22:15:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2c820f31b7b9ec4a284954f7aa20f8d4eed5e75b045a1363a532faae531b9dbe/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/10f80381-1fd9-4792-afb0-8411aec86216
Behavior Graph:
Download SVG
%3 guuid=86944800-1800-0000-20aa-1853620b0000 pid=2914 /usr/bin/sudo guuid=0c107803-1800-0000-20aa-1853670b0000 pid=2919 /tmp/sample.bin guuid=86944800-1800-0000-20aa-1853620b0000 pid=2914->guuid=0c107803-1800-0000-20aa-1853670b0000 pid=2919 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/670b4584-1448-4687-8ff9-e0b841fb5360
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1826608
Signature
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: 1826608 Sample: Polar.mips.elf Startdate: 04/12/2025 Architecture: LINUX Score: 72 22 uraniumc2.ddns.net 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 34 Sample is packed with UPX 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/2c820f31b7b9ec4a284954f7aa20f8d4eed5e75b045a1363a532faae531b9dbe
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2c820f31b7b9ec4a284954f7aa20f8d4eed5e75b045a1363a532faae531b9dbe/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 17:51:20 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fsba6mnxxhweukcjkt32uihy2txnlz23arnbgy5fgl5k4uy3tw7a._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-we9rlabr5z/
Behaviour
Reads runtime system information
System Network Configuration Discovery
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/191735bf-b716-4ea9-904d-fa9e6d947b29
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/2c820f31b7b9ec4a284954f7aa20f8d4eed5e75b045a1363a532faae531b9dbe

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 2c820f31b7b9ec4a284954f7aa20f8d4eed5e75b045a1363a532faae531b9dbe

(this sample)

Mirai

elf 2fea1728b61283e8342ecdd0ab6b80051f5683956f54692181b8dc73091ebde8

  
URLhaus
https://urlhaus.abuse.ch/url/3712750/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 2fea1728b61283e8342ecdd0ab6b80051f5683956f54692181b8dc73091ebde8
  
Dropping
MD5 158faa41710ee5fc3b5046e8d8b455c0
  
URLhaus
https://urlhaus.abuse.ch/url/3711579/

Comments