MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb3a31fad83f0b73e35f695169bb2c8af3abeeb23c71d8156f82e2efa6d6c9d8. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb3a31fad83f0b73e35f695169bb2c8af3abeeb23c71d8156f82e2efa6d6c9d8
SHA3-384 hash: 48984609df838b452ff5c5136a2cf71856ac5712aedc15ef61099fc76340df8e1f8e375bf44618e6a3662c28405a1a1b
SHA1 hash: 7cdca1fd1e06c01fc7254958a776fad9caa4d813
MD5 hash: 92f464539ee238285de971076c674697
humanhash: orange-virginia-mars-maine
File name:morte.arc
Download: download sample
Signature Mirai
Create hunting rule
File size:116'492 bytes
First seen:2025-08-21 04:33:10 UTC
Last seen:2025-08-21 06:39:57 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:EaTf9tB/TZLet/LaaWOzgDQ9VzUlZFdBlCfx8F0FgLDyq/LWe:EG9P/T4/9dskrzUJdBlCxgbq
TLSH T1D5B3BE97F70714A0C86647F007C75B9E6E233212CE5BE9E7AC1E2A3A59394DF19163C1
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 :
118
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.11419.2620.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/68a6a1e6419c816a6e8e61db/reports/24d2515e-c24f-40c7-820d-22909ed49b61/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4c9c1c7b-9ee2-4193-8175-ada498becc3b
Behavior Graph:
Download SVG
%3 guuid=6531ccb0-1900-0000-9efb-426c650c0000 pid=3173 /usr/bin/sudo guuid=cf20f7b2-1900-0000-9efb-426c660c0000 pid=3174 /tmp/sample.bin guuid=6531ccb0-1900-0000-9efb-426c650c0000 pid=3173->guuid=cf20f7b2-1900-0000-9efb-426c660c0000 pid=3174 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4952d67b-2458-4629-8eb3-d632f873d91b
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.mine
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1761615
Signature
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cb3a31fad83f0b73e35f695169bb2c8af3abeeb23c71d8156f82e2efa6d6c9d8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb3a31fad83f0b73e35f695169bb2c8af3abeeb23c71d8156f82e2efa6d6c9d8/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-21 04:35:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zm5dd6wyh4fxhy27nfiwtozmrlz2x3vshry5qflpqlro7jwwzhma._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250821-e7fwjsy1by/
Verdict:
Unknown
Tags:
backdoor
YARA:
MAL_ELF_Xlogin_Nov24_1
Link:
https://app.threat.zone/submission/10fe8502-e5f0-4c17-878a-646e89f55941
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/cb3a31fad83f0b73e35f695169bb2c8af3abeeb23c71d8156f82e2efa6d6c9d8

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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: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 cb3a31fad83f0b73e35f695169bb2c8af3abeeb23c71d8156f82e2efa6d6c9d8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3607624/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3607819/

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