MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b812b498453cc1cdecdfb049bd43d18b580a54f68a5c66b1cbf52e31345bd6dc. 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: b812b498453cc1cdecdfb049bd43d18b580a54f68a5c66b1cbf52e31345bd6dc
SHA3-384 hash: 3296811726e30f3979b82d34d8e74c540e995f9f8489da184d7e46d4999f8dfd6e1171dbd9cd88d4c3e22c8ab52a41fc
SHA1 hash: dc2f1162209ea7a5e3a2dd1f648bdf261b843265
MD5 hash: 1fb571d669c25134bc08f670a7e5bb3e
humanhash: whiskey-jupiter-washington-fillet
File name:main_arm
Download: download sample
Signature Mirai
Create hunting rule
File size:133'836 bytes
First seen:2025-07-10 17:17:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:pQ282dAFIZ3hfGut84AJXK14Vu9XrTlIHQDsTkL+qK0+llSgwyw4RHXWA1CuJ518:pQs9Gu84Ws4eb6HQDRLNbMRZI
TLSH T103D33A41FC519F23C6D612BBFB5E428D372A17A8D2EE72039D215F25378A85B0E37246
telfhash t13c1116f48f490fc853a0edd811cd902e36a93166dd121887891f4f0ed753543f42e01d
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 :
20
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686ff5d6900df8e7f869654elinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/686ff5e80abaf8edd6ede61d/reports/e63e69aa-0cb0-45b5-bac3-9d72693f4fea/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/b812b498453cc1cdecdfb049bd43d18b580a54f68a5c66b1cbf52e31345bd6dc
Behaviour
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f044f3e2-a210-44c3-8b88-74138507a813
Behavior Graph:
Download SVG
%3 guuid=fdd8588b-1800-0000-44fa-0d01c20d0000 pid=3522 /usr/bin/sudo guuid=667e118e-1800-0000-44fa-0d01c30d0000 pid=3523 /tmp/sample.bin guuid=fdd8588b-1800-0000-44fa-0d01c20d0000 pid=3522->guuid=667e118e-1800-0000-44fa-0d01c30d0000 pid=3523 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/124cbf2b-5cf4-4d14-a84d-3de8d6ef0ead
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1733034
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1733034 Sample: main_arm.elf Startdate: 10/07/2025 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 34.249.145.219, 443 AMAZON-02US United States 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 main_arm.elf 2->10         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b812b498453cc1cdecdfb049bd43d18b580a54f68a5c66b1cbf52e31345bd6dc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b812b498453cc1cdecdfb049bd43d18b580a54f68a5c66b1cbf52e31345bd6dc/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-10 17:18:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xajljgcfhta433g7wbe32q6rrnmauvhwrjognmol6uxdcnc323oa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/250710-vvcw5axsfx/
Behaviour
Writes file to tmp directory
Changes its process name
Deletes itself
Traces itself
Malware Config
C2 Extraction:
botnet.eu.cc
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1278b8a0-757e-4fb9-9fcd-354885ecc92a
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/b812b498453cc1cdecdfb049bd43d18b580a54f68a5c66b1cbf52e31345bd6dc

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 b812b498453cc1cdecdfb049bd43d18b580a54f68a5c66b1cbf52e31345bd6dc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3575759/
  
Delivery method
Distributed via web download

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