MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31be9bef5b968b1f3557106b2d764e7933d20810b4cbc79cd5e53429fcc4b444. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31be9bef5b968b1f3557106b2d764e7933d20810b4cbc79cd5e53429fcc4b444
SHA3-384 hash: fc0ab38b25163006de448dbf53a4448072089d38fb5ccefc380dc099df3f6b774cb0fb83f43e0f15fd3456956d36577d
SHA1 hash: 81431a72ed5e6d1df7661c107906927b2b3928ed
MD5 hash: 0a046dda3942234bda4823d534c12700
humanhash: ohio-lake-texas-uncle
File name:arm4
Download: download sample
Signature Mirai
Create hunting rule
File size:115'884 bytes
First seen:2025-12-15 17:54:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:prxs8dM1kL6wXUdJ86tJYaskvhzQld5FvwyG0F3ilJxryBYDCGn5O:5xs8dM1kL6wXUQ6tJrsYzQRFvBVmxrSb
TLSH T1A3B30656FC928A62C6C256BFFA0F828D332613E8D3EF3117DD285F2136C651A0A7B051
telfhash t134e02b2efb941ae13bc680a0805e371347edf0682f85b05122d8bf4e9793b81e61cc03
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
expand gafgyt lolbin mirai rust
Link:
https://www.filescan.io/uploads/69404b89e126b9ff4380f28c/reports/cd24dbb1-e575-471d-ae6c-74e8f38dd02d/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-15T10:35:00Z UTC
Last seen:
2025-12-15T10:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/31be9bef5b968b1f3557106b2d764e7933d20810b4cbc79cd5e53429fcc4b444/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3eff3e07-fbc7-4b60-851d-d12a90a7b7ce
Behavior Graph:
Download SVG
%3 guuid=0d382b5f-1b00-0000-43d8-46e3630b0000 pid=2915 /usr/bin/sudo guuid=f57aee61-1b00-0000-43d8-46e3650b0000 pid=2917 /tmp/sample.bin guuid=0d382b5f-1b00-0000-43d8-46e3630b0000 pid=2915->guuid=f57aee61-1b00-0000-43d8-46e3650b0000 pid=2917 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e8b0341-3ac7-43ab-9fe0-ff4a796fcbc6
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1833242
Signature
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1833242 Sample: arm4.elf Startdate: 15/12/2025 Architecture: LINUX Score: 56 12 109.202.202.202, 80 INIT7CH Switzerland 2->12 14 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->14 16 2 other IPs or domains 2->16 18 Multi AV Scanner detection for submitted file 2->18 20 Yara detected Mirai 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 arm4.elf 2->10         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31be9bef5b968b1f3557106b2d764e7933d20810b4cbc79cd5e53429fcc4b444
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31be9bef5b968b1f3557106b2d764e7933d20810b4cbc79cd5e53429fcc4b444/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-15 17:55:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gg7jx323s2fr6nkxcbvs25sopez5ecaqwtf4phgv4u2ct7gewrca._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251215-whk8eaxnht/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/40018545-fd55-49be-83ba-181c605b6bd3
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/31be9bef5b968b1f3557106b2d764e7933d20810b4cbc79cd5e53429fcc4b444

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:Linux_Generic_Threat_e9aef030
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 31be9bef5b968b1f3557106b2d764e7933d20810b4cbc79cd5e53429fcc4b444

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3710458/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3721903/
  
URLhaus
https://urlhaus.abuse.ch/url/3710783/
  
URLhaus
https://urlhaus.abuse.ch/url/3732885/

Comments