MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2efac1cd60b65ae44779c66a7e5cbf9683a9641bae55a1919684c2f442f7d415. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2efac1cd60b65ae44779c66a7e5cbf9683a9641bae55a1919684c2f442f7d415
SHA3-384 hash: 1f104e702e903b29590def8a6c3f8f85751145318bdc0e3824e707819cf45e6b54223788ab598beb0edf5732a54bd98a
SHA1 hash: 9be926414968ad9d6f5a1f7e01f1ac4b727dcf0d
MD5 hash: d919521b732041de8f9ba20d238ed63e
humanhash: pizza-network-north-friend
File name:yakuza.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:148'432 bytes
First seen:2025-01-27 09:56:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:t2Kb+szmJ8wdTaayiAhpQXuD2b80SZ621cmvKWnDf49/1TpPI:1b+szmTdTyiopQXuVo2qmvKWnDf4J1TC
TLSH T114E33BC2FD00DE76F41A967645D74B29B270AB624F431672631B39AADE372C0382BF45
telfhash t1f93145479479ca2d2f732c586c7c4fb61256ab2331527fb0bf9ac4885533002b968d4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31240.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28962.LCM.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28961.LCM.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Trojan.Tsunami-6981161-0
Create hunting rule

Unix.Dropper.Mirai-7136072-0
Create hunting rule

Unix.Dropper.Mirai-7136105-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Downloader.Mirai-7340346-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-9924065-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash gcc lolbin masquerade obfuscated remote
Link:
https://www.filescan.io/uploads/6797586e39aa2bdf29b2a40b/reports/05a679e2-caa6-4686-bc7b-5983392ca10f/overview
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4f565302-62a0-4552-9915-03a3bac4d2b4
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1600252
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1600252 Sample: yakuza.m68k.elf Startdate: 27/01/2025 Architecture: LINUX Score: 64 39 109.202.202.202, 80 INIT7CH Switzerland 2->39 41 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->41 43 2 other IPs or domains 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected Mirai 2->49 9 yakuza.m68k.elf 2->9         started        signatures3 process4 process5 11 yakuza.m68k.elf 9->11         started        process6 13 yakuza.m68k.elf sh 11->13         started        15 yakuza.m68k.elf sh 11->15         started        17 yakuza.m68k.elf sh 11->17         started        19 59 other processes 11->19 process7 21 sh pkill 13->21         started        23 sh busybox 13->23         started        25 sh pkill 15->25         started        27 sh busybox 15->27         started        29 sh pkill 17->29         started        31 sh busybox 17->31         started        33 sh pkill 19->33         started        35 sh busybox 19->35         started        37 111 other processes 19->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2efac1cd60b65ae44779c66a7e5cbf9683a9641bae55a1919684c2f442f7d415
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2efac1cd60b65ae44779c66a7e5cbf9683a9641bae55a1919684c2f442f7d415/
Threat name:
Linux.Trojan.Tsunami
Create hunting rule
Status:
Malicious
First seen:
2025-01-27 09:57:04 UTC
File Type:
ELF32 Big (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f35mdtlawznoir3zyzvh4xf7s2b2sza3vzk2demwqtbpiqxx2qkq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250127-lyxahasqgz/
Verdict:
Malicious
Tags:
trojan tsunami Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Tsunami_8a11f9be
Link:
https://app.threat.zone/submission/6f30b1a4-0c44-4b78-bf3b-2c5c71b488fb
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/2efac1cd60b65ae44779c66a7e5cbf9683a9641bae55a1919684c2f442f7d415

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_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Trojan_Tsunami_8a11f9be
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 2efac1cd60b65ae44779c66a7e5cbf9683a9641bae55a1919684c2f442f7d415

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3336630/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3336508/
  
URLhaus
https://urlhaus.abuse.ch/url/3336490/

Comments