MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef9d00ef9106fde95d3b2a1eb63e4cb56a2ffb49c821943ca149e392572e4f25. 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 4 File information Comments

SHA256 hash: ef9d00ef9106fde95d3b2a1eb63e4cb56a2ffb49c821943ca149e392572e4f25
SHA3-384 hash: fe2a2d94299efcd8fac605e307056ea6fc5ea827682f70631fe1a8762d25ccb84e659980eacb4c1bb5d05dbeb074b2f2
SHA1 hash: ecf2135d33d5fdad1928575dd82490cbcb913a2e
MD5 hash: 73200a26f10f4e97e21e8323f437d015
humanhash: california-cat-queen-mike
File name:rep.sh4
Download: download sample
Signature Mirai
File size:83'496 bytes
First seen:2025-08-16 20:55:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:QaZwt/4f7gsj3/Od5HhqK4utdi7VyZg2CyycYZONtiCKkRRk:QSrf7gs7CH34j8Zg2BO0iCKh
TLSH T180838D72C6657F94DC4DB2B0A0B18A79CF13E20185561FFBA995C5720043DA8BA0EFBD
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm masquerade
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758527 Sample: rep.sh4.elf Startdate: 16/08/2025 Architecture: LINUX Score: 72 16 67.155.127.154, 23 XO-AS15US United States 2->16 18 62.13.175.210, 23 WINDTRE-ASIT Italy 2->18 20 99 other IPs or domains 2->20 22 Antivirus / Scanner detection for submitted sample 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 8 rep.sh4.elf 2->8         started        signatures3 process4 process5 10 rep.sh4.elf 8->10         started        process6 12 rep.sh4.elf 10->12         started        14 rep.sh4.elf 10->14         started       
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-08-16 20:55:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Trojan.Gafgyt-6981160-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Mirai

elf ef9d00ef9106fde95d3b2a1eb63e4cb56a2ffb49c821943ca149e392572e4f25

(this sample)

  
Delivery method
Distributed via web download

Comments