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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4c9f3a81eaced11ce42f093fb2fce7638bbd2cd0c183e44f258c55650524d5a. 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: 5


Intelligence 5 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4c9f3a81eaced11ce42f093fb2fce7638bbd2cd0c183e44f258c55650524d5a
SHA3-384 hash: 61b402668f3c3cfe7354f258c6c82551e4afc159cdfe0a361a42248e5ba3589ef807800540e0cc57f560fd43f9a6ba70
SHA1 hash: 2d58830e521161ccd6df213ac0694fdfc73a3d33
MD5 hash: 5192a9c200b9fec0bc9c8b14eea3fc39
humanhash: leopard-march-west-connecticut
File name:s390x
Download: download sample
Signature Mirai
Create hunting rule
File size:399'152 bytes
First seen:2026-09-02 17:46:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:bUQdl3QcOyBB2Q2Q17+3WchtsnoRd6558LwnICO:b5KyBBCQ170hPD65M4HO
TLSH T1B184F8CC51B0E3CED064AD32D32579A79967123724837A8C61DEEB7B12F724606B9E31
Magika elf
Reporter BlinkzSec
Tags:mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
IN IN
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
base64 expand lolbin
Link:
https://www.filescan.io/uploads/6a98619f5a09394de4109654/reports/5dc4fa4b-0c46-49ed-8a00-61f4f030ee07/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bcf806f9-1dc0-42e1-991d-861df88cb64c
Behavior Graph:
Download SVG
%3 guuid=8b319c1c-1a00-0000-41b7-5b1fd70a0000 pid=2775 /usr/bin/sudo guuid=7bc81221-1a00-0000-41b7-5b1fe00a0000 pid=2784 /tmp/sample.bin guuid=8b319c1c-1a00-0000-41b7-5b1fd70a0000 pid=2775->guuid=7bc81221-1a00-0000-41b7-5b1fe00a0000 pid=2784 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/86b49422-7cca-4403-8556-d55eceff6e97
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4c9f3a81eaced11ce42f093fb2fce7638bbd2cd0c183e44f258c55650524d5a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a4c9f3a81eaced11ce42f093fb2fce7638bbd2cd0c183e44f258c55650524d5a/
Threat name:
Linux.Exploit.DirtyFrag
Create hunting rule
Status:
Malicious
First seen:
2026-09-02 17:35:22 UTC
File Type:
ELF64 Big (SO)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ute7hka6vtwrdtsc6cj7wl6ooy4lxuwnbqmd4rhsldcvmucsjvna._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260902-wcztlsbq9z/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:EXPL_HKTL_LNX_DirtyFragShellcode_May26
Create hunting rule
Author:Pezier Pierre-Henri (Nextron Systems)
Description:Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:EXPL_LNX_DirtyFrag_ForensicArtefacts_May26
Create hunting rule
Author:Florian Roth
Description:Detects DirtyFrag exploit code POC usage in Linux environments
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
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Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
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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 a4c9f3a81eaced11ce42f093fb2fce7638bbd2cd0c183e44f258c55650524d5a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3911521/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3911526/
  
URLhaus
https://urlhaus.abuse.ch/url/3911566/

Comments