MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66ac3c166e88ca3af2d9d1b67df2fcfa222abfeb423ae4536cd8378b94d14a1c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66ac3c166e88ca3af2d9d1b67df2fcfa222abfeb423ae4536cd8378b94d14a1c
SHA3-384 hash: 05bdc12e61454656bc3927f250490751dba1de96b4e4200468da80e2c1cfca87b92b9cf8132afccda48a100c584cfd39
SHA1 hash: 3bdd61714076aa7abb9fb2a6f76aa6e072515a30
MD5 hash: 9ad2f5012cee5dcdf433a07731c251f0
humanhash: winner-sierra-moon-bulldog
File name:most-arm
Download: download sample
Signature Mirai
Create hunting rule
File size:125'856 bytes
First seen:2025-04-17 20:59:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:hVabod2AY57/p5moFhA8QD4Vxf4fTDTcBriryPbc/sLHtlvgwywl9QyUUZrhRcFv:hVabJbXLFh44vUPTcBriwqyWy4lP
TLSH T1B8C31A45FC519B13C6C612BBFB5E428D772A1768E3EE72039D156F20378B96B0E3A142
telfhash t1bd11c05485980dcd33c1a36dd49db237861d75b93e5138639b9daf0b8262dc07423427
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 :
165
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68016cd62203b3e10cd08808linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Link:
https://www.filescan.io/uploads/68016bf1931404048d80156e/reports/9d836c47-3be8-4dc5-9c31-b0693704bb1f/overview
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fd83d126-bf41-4677-a632-c003aa188a6b
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1667964
Signature
Detected Mirai
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1667964 Sample: most-arm.elf Startdate: 17/04/2025 Architecture: LINUX Score: 76 24 net-killer.cameraddns.net. [malformed] 2->24 26 most-killer.duckdns.org. [malformed] 2->26 28 8 other IPs or domains 2->28 30 Suricata IDS alerts for network traffic 2->30 32 Detected Mirai 2->32 34 Multi AV Scanner detection for submitted file 2->34 9 most-arm.elf 2->9         started        11 xfce4-session xfdesktop 2->11         started        13 xfce4-session xfdesktop 2->13         started        15 3 other processes 2->15 signatures3 36 Sends malformed DNS queries 26->36 38 Uses dynamic DNS services 26->38 process4 process5 17 most-arm.elf 9->17         started        process6 19 most-arm.elf 17->19         started        signatures7 40 Sample tries to kill multiple processes (SIGKILL) 19->40 22 most-arm.elf 19->22         started        process8
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/66ac3c166e88ca3af2d9d1b67df2fcfa222abfeb423ae4536cd8378b94d14a1c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66ac3c166e88ca3af2d9d1b67df2fcfa222abfeb423ae4536cd8378b94d14a1c/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-04-17 21:00:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m2wdyftordfdv4wz2g3h34x47ircvp7lii5oiu3m3a3yxfgrjioa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/250417-ztkmsstqv3/
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/66ac3c166e88ca3af2d9d1b67df2fcfa222abfeb423ae4536cd8378b94d14a1c

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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 66ac3c166e88ca3af2d9d1b67df2fcfa222abfeb423ae4536cd8378b94d14a1c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3505756/
  
Delivery method
Distributed via web download

Comments