MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cf308b51d730b91410693bafe352b1c19926aacc52890eb25973a827067c15b. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5cf308b51d730b91410693bafe352b1c19926aacc52890eb25973a827067c15b
SHA3-384 hash: 65fd30a47e98f9cecf7305a1c7ff300f41301304dac2ce8d04e3a1ac0264d327101fdf365bb05a1fb38d935b11aae2ed
SHA1 hash: af6e18047ff644179e4d111b0ec573513ca76904
MD5 hash: c8955d2856615d69924ab5d1c5f6d478
humanhash: undress-montana-tennessee-may
File name:yakov.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:26'832 bytes
First seen:2025-03-03 17:07:09 UTC
Last seen:2025-03-03 17:34:45 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:VeOhMf2mdu2tv7fvVYu5eIVfYeSXsiJWbZs:Ph82mU2BfvVYkVgeScyWC
TLSH T17BC2E1EE592552DACBC91577F38CB430552A38548334E6473686DBA4A571088E8AFDC8
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 :
2
# of downloads :
93
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.25072.19897.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c5e273c8d04e92a4bebadalinux22vpnfull_triage
Tags:
backdoor overt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Runs as daemon
Sends data to a server
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/5cf308b51d730b91410693bafe352b1c19926aacc52890eb25973a827067c15b
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
SUSPICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cd8945b2-e37a-4f2d-8927-778d267037b0
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1628316
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1628316 Sample: yakov.x86.elf Startdate: 03/03/2025 Architecture: LINUX Score: 60 16 220.216.169.235, 23, 56838 XEPHIONNTT-MECorporationJP Japan 2->16 18 92.60.189.1, 23, 56838 WNETUS Ukraine 2->18 20 98 other IPs or domains 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Sample is packed with UPX 2->26 8 yakov.x86.elf 2->8         started        signatures3 process4 process5 10 yakov.x86.elf 8->10         started        process6 12 yakov.x86.elf 10->12         started        14 yakov.x86.elf 10->14         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5cf308b51d730b91410693bafe352b1c19926aacc52890eb25973a827067c15b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5cf308b51d730b91410693bafe352b1c19926aacc52890eb25973a827067c15b/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-03 17:08:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ltzqrni5omfzcqigso5p4njldqmze2vmyuujb2zfs45ie4dhyfnq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux rootkit upx
Link:
https://tria.ge/reports/250303-vm4pwatsfx/
Behaviour
Writes file to tmp directory
Loads a kernel module
Contacts a large (20578) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fd44e26e-1152-4755-8b32-4fde582a76ed
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5cf308b51d730b91410693bafe352b1c19926aacc52890eb25973a827067c15b

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 5cf308b51d730b91410693bafe352b1c19926aacc52890eb25973a827067c15b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3463846/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3464327/

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