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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5404a3df6c519d0c7c1d7ad105e4b6a6cbb8455a7f0d95ae5780831e101d2a8. 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: 6


Intelligence 6 IOCs YARA 7 File information Comments
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SHA256 hash: b5404a3df6c519d0c7c1d7ad105e4b6a6cbb8455a7f0d95ae5780831e101d2a8
SHA3-384 hash: 60ca23260735f6de794892a3494dc8f3c355aa07dbcef530dffa03de0b1bdd6b18b9e6e63a7b0eb4df2a845f69e88aac
SHA1 hash: 37d7e4cd0de2bfc5d6a780649addc8a7f5af6e6c
MD5 hash: 2cba347bac47edd4a30b62ec80368cb2
humanhash: leopard-beer-spring-emma
File name:nz.arc
Download: download sample
Signature Mirai
Create hunting rule
File size:124'636 bytes
First seen:2026-08-01 19:59:22 UTC
Last seen:2026-08-02 05:43:45 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:owy+K2krQKlEYGsNW+92eNmDgglQ5YKwD9rAfxPexgtfUl/LWB:C4kMKpGsND9RkDggAYKwD9rAUg0q
TLSH T126C3AE87FB871490C46206F003C34FAD6B93A2128E6F98E7BD1DA63F5A7A4DA15163D1
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 :
4
# of downloads :
91
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10058922-0
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Unix.Trojan.Mirai-10059005-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
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YARA.SIGNATURE_BASE_MAL_ELF_Xlogin_Nov24_1.UNOFFICIAL
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Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6a6e502546510d95336ce609/reports/051dabe4-7664-4618-80e4-bb16a96b35c5/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-01T17:51:00Z UTC
Last seen:
2026-08-03T01:33:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b5404a3df6c519d0c7c1d7ad105e4b6a6cbb8455a7f0d95ae5780831e101d2a8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c52576a9-4fee-4e64-9a72-98e67ef6fcd2
Behavior Graph:
Download SVG
%3 guuid=0486cab3-1900-0000-4847-7c5f3f0a0000 pid=2623 /usr/bin/sudo guuid=0358fbbd-1900-0000-4847-7c5f4c0a0000 pid=2636 /tmp/sample.bin guuid=0486cab3-1900-0000-4847-7c5f3f0a0000 pid=2623->guuid=0358fbbd-1900-0000-4847-7c5f4c0a0000 pid=2636 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bf5fdd55-e795-42bd-ab8e-902c775ccdf6
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5404a3df6c519d0c7c1d7ad105e4b6a6cbb8455a7f0d95ae5780831e101d2a8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5404a3df6c519d0c7c1d7ad105e4b6a6cbb8455a7f0d95ae5780831e101d2a8/
Threat name:
Linux.Backdoor.Mirai
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Status:
Malicious
First seen:
2026-08-01 20:11:08 UTC
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvaeuppwyum5br6b26wraxslnjwlxbcvu7ynswxfpaeddyib2kua._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet linux
Link:
https://tria.ge/reports/260801-yql6safm2t/
Malware Config
C2 Extraction:
cvawrs.duckdns.org
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/b5404a3df6c519d0c7c1d7ad105e4b6a6cbb8455a7f0d95ae5780831e101d2a8

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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:MAL_ELF_Xlogin_Nov24_1
Create hunting rule
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 b5404a3df6c519d0c7c1d7ad105e4b6a6cbb8455a7f0d95ae5780831e101d2a8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3892225/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3892987/

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