MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31089c8a5283bb413a4d4baf0465cc0865bd741ec5243fa42c9e4a0b1e8b23a8. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31089c8a5283bb413a4d4baf0465cc0865bd741ec5243fa42c9e4a0b1e8b23a8
SHA3-384 hash: d9484d3b272e7489c408f98e1eadb162409e323767165beee9571ede5b4700b6e352b071eff142697b9ba17b56f09cf4
SHA1 hash: c1374516bd1d9b00e34a0bdf30378f1aa1b6e65b
MD5 hash: 4e3b33fa5d0e24926ac3db45ec5db2b3
humanhash: alpha-early-six-victor
File name:Polar.spc
Download: download sample
Signature Mirai
Create hunting rule
File size:68'964 bytes
First seen:2025-11-22 16:36:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:taK3g3Z9nJ6jeAGLaFd3bTvrvc+f/3fvrh9ZMd1IFoYkzvExGCw7h7zE:t1w3Z9nJ6CAbTvrvc+f/3fvrhbMu6Mmo
TLSH T1EC633D12B3F8173FC4B0A674C1772B137EA65AEE0960EA4FBD760D8ADD4129006667F0
telfhash t163117ab5eb79d6460596c92898ec0351986fe02a1015df1bef60cdec047d40ee219d1f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-2.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.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:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6921e6d06c89728b9825adbc/reports/78422a5a-fbaa-41d7-b33e-50784caf7221/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-19T22:32:00Z UTC
Last seen:
2025-11-22T10:20:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/31089c8a5283bb413a4d4baf0465cc0865bd741ec5243fa42c9e4a0b1e8b23a8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/50239d9b-4afe-4ee8-b652-b404344eec3b
Behavior Graph:
Download SVG
%3 guuid=76040d4f-1a00-0000-fd2d-7af246090000 pid=2374 /usr/bin/sudo guuid=7f56b451-1a00-0000-fd2d-7af249090000 pid=2377 /tmp/sample.bin guuid=76040d4f-1a00-0000-fd2d-7af246090000 pid=2374->guuid=7f56b451-1a00-0000-fd2d-7af249090000 pid=2377 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9820e6ba-c94e-433c-817c-554108b694e7
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1819141
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31089c8a5283bb413a4d4baf0465cc0865bd741ec5243fa42c9e4a0b1e8b23a8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31089c8a5283bb413a4d4baf0465cc0865bd741ec5243fa42c9e4a0b1e8b23a8/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-20 01:32:15 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=geejzcssqo5ucosnjoxqizombbs325a6yusd7jbmtzfawhuleoua._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251122-t44wjayqaw/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/7df80c6f-cdad-4781-b1d6-e1952f2f0042
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/31089c8a5283bb413a4d4baf0465cc0865bd741ec5243fa42c9e4a0b1e8b23a8

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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 31089c8a5283bb413a4d4baf0465cc0865bd741ec5243fa42c9e4a0b1e8b23a8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3714162/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3714918/

Comments