MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfaf3a934c7ca6e462a92dd30efd77e7d729c6489a89708d7d763b3c2044e87a. 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 6 File information Comments

SHA256 hash: cfaf3a934c7ca6e462a92dd30efd77e7d729c6489a89708d7d763b3c2044e87a
SHA3-384 hash: 66950ca494f882dbba272958693b5b4beb5e665ee5521b3a503c20c1ccef761cf43bae22e06f5b91b392f1e119d09326
SHA1 hash: 9afe43ac59b73a3a2d3189ccc79750e28b06b878
MD5 hash: 2a936682f2a6bc2532fdcb0aba1cc035
humanhash: robin-green-north-wyoming
File name:arm
Download: download sample
Signature Mirai
File size:157'736 bytes
First seen:2025-11-03 18:57:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:2bk3/ZF9Q9FExVv6fP6a8vFAwUF6VfFmBdk1j0tvla6hh1wo:qCZXQ9Kv6LwUFgfFGCal2o
TLSH T107F32846F8404F53C6C612B7FB5E428C772A07A9D3EAB103AD216B21379B96B0E3B545
telfhash t19301dc550b680dcc2bd0c10ec28db1119ef83aad079aa017295bae9ec40b4c1fa2c826
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 :
97
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
14.225.20.10
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-03T14:34:00Z UTC
Last seen:
2025-11-04T01:17:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.h
Status:
terminated
Behavior Graph:
%3 guuid=dd910c0d-1900-0000-eb87-8e4573130000 pid=4979 /usr/bin/sudo guuid=7e9b0e0f-1900-0000-eb87-8e4579130000 pid=4985 /tmp/sample.bin guuid=dd910c0d-1900-0000-eb87-8e4573130000 pid=4979->guuid=7e9b0e0f-1900-0000-eb87-8e4579130000 pid=4985 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-03 18:58:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
Malware Config
C2 Extraction:
butternet.vietnamddns.com
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_e9aef030
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
Rule name:unixredflags3
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 cfaf3a934c7ca6e462a92dd30efd77e7d729c6489a89708d7d763b3c2044e87a

(this sample)

  
Delivery method
Distributed via web download

Comments