MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21c8f23da45f30e2c14bc5295ae89956c1dbf26ce4714e9a8ed5658e025982c5. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21c8f23da45f30e2c14bc5295ae89956c1dbf26ce4714e9a8ed5658e025982c5
SHA3-384 hash: b11edbe196cd617cd61255d08bc015092265d1905fed71d80578c8ad4e9c16cc47982e5ae1450458b25d64489e032724
SHA1 hash: 18e7b6a862d50def3731409390e84045d3533c76
MD5 hash: 8907349942f04273cc9d34079be7fd11
humanhash: avocado-bulldog-sierra-paris
File name:larm4
Download: download sample
Signature Mirai
Create hunting rule
File size:77'560 bytes
First seen:2025-08-09 17:25:55 UTC
Last seen:2025-08-10 08:02:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:oIdv6BEqfyQZUbaEsKISMmkduwAoBFJwWmSpHlOj/kLJDG20lQA9vVV:oId1SyQZ0aEsokJ/JwWJukLw+a/
TLSH T1AB732A51BD819A13C6D1527BFF1E428D772613A8E2EA3303DD256F21378B91B0E7B641
telfhash t116018e625d9c2e99f3c0930a43ee4135666931fc673112a7896abb2b8553dc3b132525
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 :
2
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Link:
https://www.filescan.io/uploads/689784de9ef4d2ff7cf41744/reports/f6078cf6-0b67-46b7-90ab-dfade699929b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/21c8f23da45f30e2c14bc5295ae89956c1dbf26ce4714e9a8ed5658e025982c5
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e4358161-2b9a-4230-bed6-092c2520a468
Behavior Graph:
Download SVG
%3 guuid=1058a231-1a00-0000-20c1-02f9380a0000 pid=2616 /usr/bin/sudo guuid=3e51b233-1a00-0000-20c1-02f93d0a0000 pid=2621 /tmp/sample.bin guuid=1058a231-1a00-0000-20c1-02f9380a0000 pid=2616->guuid=3e51b233-1a00-0000-20c1-02f93d0a0000 pid=2621 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8598a2bb-a6a7-4cff-a364-ba8dd274109a
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1753754
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1753754 Sample: larm4.elf Startdate: 09/08/2025 Architecture: LINUX Score: 48 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 6 dash rm 2->6         started        8 dash rm 2->8         started        10 larm4.elf 2->10         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21c8f23da45f30e2c14bc5295ae89956c1dbf26ce4714e9a8ed5658e025982c5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21c8f23da45f30e2c14bc5295ae89956c1dbf26ce4714e9a8ed5658e025982c5/
Verdict:
Clean
Link:
https://tip.neiki.dev/file/21c8f23da45f30e2c14bc5295ae89956c1dbf26ce4714e9a8ed5658e025982c5
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-09 17:26:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ehepepnel4yofqklyuuvv2ezk3a5x4tm4ryu5guo2vsy4aszqlcq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/250809-vz8vcshq3y/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4e77fe63-edb1-4872-b4fc-26ce57e59a72
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/21c8f23da45f30e2c14bc5295ae89956c1dbf26ce4714e9a8ed5658e025982c5

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
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 21c8f23da45f30e2c14bc5295ae89956c1dbf26ce4714e9a8ed5658e025982c5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3591773/
  
Delivery method
Distributed via web download

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