MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4c5f0841861339d13177582c1a4c74ace72f9161adc22920bf6cc76a711395b. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4c5f0841861339d13177582c1a4c74ace72f9161adc22920bf6cc76a711395b
SHA3-384 hash: e1d843c91d5f2f500af30f28e635b1b7d975e200eda7acc66c4706ba310dc5b2af34eb42b41c8011bedf6298ec31d4b3
SHA1 hash: 22a8495a8a71f903f218e9fdb5bd9dc8d2255df2
MD5 hash: 8b81a96b0314ce507b08dbd0f3d6ef0c
humanhash: seven-bulldog-charlie-moon
File name:csk_arm
Download: download sample
Signature Mirai
Create hunting rule
File size:158'176 bytes
First seen:2026-03-01 20:26:52 UTC
Last seen:2026-03-02 18:50:29 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:7yAZGcqQWHVeVRSFgMxKEntgGcBgACtH4VViNiTexnhUDWIboOYtuiPjLjvlnH9A:7yAGSScEtg/BgT4eUyxnhUDpqflml80
TLSH T12CF3F845F8519F12C6C6127BFF5E828D3B2627A8D2EE3103B9255F2C378795B0E3A542
telfhash t17721cd1fffa44bdd53c5825ac2aeb6184af836dd532608055a3ebe8f0516dc0745d83e
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 :
3
# of downloads :
94
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/3d7f22b1-1bc5-4c09-9e3a-819b7b2e6fe5/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28886.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/a4c5f0841861339d13177582c1a4c74ace72f9161adc22920bf6cc76a711395b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4b2c9775-9b85-485f-85ef-9faee0d34f92
Behavior Graph:
Download SVG
%3 guuid=434bd5c8-1a00-0000-a923-70f51f0b0000 pid=2847 /usr/bin/sudo guuid=dfbbc4cc-1a00-0000-a923-70f5270b0000 pid=2855 /tmp/sample.bin guuid=434bd5c8-1a00-0000-a923-70f51f0b0000 pid=2847->guuid=dfbbc4cc-1a00-0000-a923-70f5270b0000 pid=2855 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bce3422c-b1a6-44d2-aac7-a3ba58e790c3
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4c5f0841861339d13177582c1a4c74ace72f9161adc22920bf6cc76a711395b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4c5f0841861339d13177582c1a4c74ace72f9161adc22920bf6cc76a711395b/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-01 20:27:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=utc7bbaymezz2eyxowbmdjghjlhhf6iwdlocfeql63ghnjyrhfnq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260301-y8k2faby9e/
Malware Config
C2 Extraction:
imsorrydidhejustsayhislastnameisburgur.vietnamddns.com
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/a4c5f0841861339d13177582c1a4c74ace72f9161adc22920bf6cc76a711395b

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_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 a4c5f0841861339d13177582c1a4c74ace72f9161adc22920bf6cc76a711395b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3788189/
  
Delivery method
Distributed via web download

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