MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42731fb845d013dd0ed4ac9e6c8d4e48441c6b20c6c88f25e9995125d696f4a4. 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: 13


Intelligence 13 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42731fb845d013dd0ed4ac9e6c8d4e48441c6b20c6c88f25e9995125d696f4a4
SHA3-384 hash: 4d798ce17a0a635fe586f473492d134995e451e6744182b0e1772fd64e703d018f9e75624b784ccb49d56e89c6a40ec9
SHA1 hash: 5c08f02459c27db0209f474c539112db925fdf11
MD5 hash: e44b1cc1197c349e8fd530a1a4575336
humanhash: sodium-avocado-quiet-berlin
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:79'796 bytes
First seen:2025-10-03 21:59:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:HD+FnUYl4dU3b6LCKwlg5S2Mzd+REYaGL3SGQAUBv:HD+Fh4dccw+5BMBEEADQvBv
TLSH T1A6736CC6F6C7C8F5EC130A3111767B2759B3E13E32A5CB83C3A9E636D812980E55625D
telfhash t19c31e4fb1ebe4ce8a7d99840831e5b15185ae77b252436b74223cd64329fdd150bbc38
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 :
57
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
DNS request
Sends data to a server
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/68e0479d5a3bccf09eb72b58/reports/59fda1e0-458d-4400-a721-9defba6a5aa5/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/42731fb845d013dd0ed4ac9e6c8d4e48441c6b20c6c88f25e9995125d696f4a4
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-03T19:10:00Z UTC
Last seen:
2025-10-03T20:51:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/42731fb845d013dd0ed4ac9e6c8d4e48441c6b20c6c88f25e9995125d696f4a4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/af952059-eb97-4127-b8a2-16ff0bc9b49a
Behavior Graph:
Download SVG
%3 guuid=034cf19a-1600-0000-0b6d-24e7f10c0000 pid=3313 /usr/bin/sudo guuid=c491d49c-1600-0000-0b6d-24e7f40c0000 pid=3316 /tmp/sample.bin net send-data guuid=034cf19a-1600-0000-0b6d-24e7f10c0000 pid=3313->guuid=c491d49c-1600-0000-0b6d-24e7f40c0000 pid=3316 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c491d49c-1600-0000-0b6d-24e7f40c0000 pid=3316->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 645B c45e9fdd-bbda-5cdd-961f-90d3713660d8 mangotruff.redirectme.net:80 guuid=c491d49c-1600-0000-0b6d-24e7f40c0000 pid=3316->c45e9fdd-bbda-5cdd-961f-90d3713660d8 send: 22B guuid=0fe8c9d8-1600-0000-0b6d-24e7480d0000 pid=3400 /tmp/sample.bin dns net send-data guuid=c491d49c-1600-0000-0b6d-24e7f40c0000 pid=3316->guuid=0fe8c9d8-1600-0000-0b6d-24e7480d0000 pid=3400 clone guuid=caf84c06-1800-0000-0b6d-24e7c10f0000 pid=4033 /tmp/sample.bin guuid=c491d49c-1600-0000-0b6d-24e7f40c0000 pid=3316->guuid=caf84c06-1800-0000-0b6d-24e7c10f0000 pid=4033 clone guuid=0fe8c9d8-1600-0000-0b6d-24e7480d0000 pid=3400->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 129B e3bbf482-b030-53db-81fc-cf3025bcc1da mangotruff.redirectme.net:12121 guuid=0fe8c9d8-1600-0000-0b6d-24e7480d0000 pid=3400->e3bbf482-b030-53db-81fc-cf3025bcc1da con guuid=b65ad8d8-1600-0000-0b6d-24e7490d0000 pid=3401 /tmp/sample.bin guuid=0fe8c9d8-1600-0000-0b6d-24e7480d0000 pid=3400->guuid=b65ad8d8-1600-0000-0b6d-24e7490d0000 pid=3401 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6930b283-37c1-4912-b301-cbf3138cb18c
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1789037
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1789037 Sample: debug.elf Startdate: 03/10/2025 Architecture: LINUX Score: 64 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 mangotruff.redirectme.net 151.242.30.16, 12121, 33982, 52698 RASANAIR Iran (ISLAMIC Republic Of) 2->24 26 4 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 8 debug.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 debug.elf 8->16         started        18 debug.elf 8->18         started        process6 20 debug.elf 16->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/42731fb845d013dd0ed4ac9e6c8d4e48441c6b20c6c88f25e9995125d696f4a4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42731fb845d013dd0ed4ac9e6c8d4e48441c6b20c6c88f25e9995125d696f4a4/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/42731fb845d013dd0ed4ac9e6c8d4e48441c6b20c6c88f25e9995125d696f4a4
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-03 22:01:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ijzr7ocf2aj52dwuvspgzdkojbcby2zay3ei6jpjtfislvuw6ssa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251003-1w7e1sv1cx/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/0547f40d-ea2c-4dbe-8e1d-ca8fbb1443e2
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/42731fb845d013dd0ed4ac9e6c8d4e48441c6b20c6c88f25e9995125d696f4a4

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 42731fb845d013dd0ed4ac9e6c8d4e48441c6b20c6c88f25e9995125d696f4a4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3646394/
  
Delivery method
Distributed via web download

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