MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3acaf19321e66f5b5d65701ba4ee2a8ba8e7b922d37caa4248979a060f646c29. 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 8 File information Comments

SHA256 hash: 3acaf19321e66f5b5d65701ba4ee2a8ba8e7b922d37caa4248979a060f646c29
SHA3-384 hash: 7df0d61b6b3f02d04e5ea5379b9bf1f6bb050503215c18935f4722bcdc1c2ed70dd4f55c99fb532dd60e098ad8cd7472
SHA1 hash: 9f858e7ba47463207f37584cedd6de216093c9c1
MD5 hash: c5304367be04944d9b365791aca123a4
humanhash: idaho-red-moon-july
File name:windy.arc
Download: download sample
Signature Mirai
File size:124'352 bytes
First seen:2026-01-17 20:28:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:H6189r2mIHgqH8INWZzEB4Z+LaLWqhIij5AKBMeFCjxZJOug9e/LWA:a1ur2nj7wzEqZ+Leth5AdeFCcug9eq
TLSH T145C3AE97F78B24A1C86246F007C76B8E3E6362019E6BE9E76C1E753B19390DF19063D1
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 :
86
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T16:25:00Z UTC
Last seen:
2026-01-17T16:36:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Status:
terminated
Behavior Graph:
%3 guuid=1fd5a276-1a00-0000-205c-1f3f7c0a0000 pid=2684 /usr/bin/sudo guuid=a4554f78-1a00-0000-205c-1f3f820a0000 pid=2690 /tmp/sample.bin guuid=1fd5a276-1a00-0000-205c-1f3f7c0a0000 pid=2684->guuid=a4554f78-1a00-0000-205c-1f3f820a0000 pid=2690 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-17 18:01:50 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
backdoor Unix.Trojan.Mirai-7100807-0
YARA:
MAL_ELF_Xlogin_Nov24_1
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_Xlogin_Nov24_1
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 3acaf19321e66f5b5d65701ba4ee2a8ba8e7b922d37caa4248979a060f646c29

(this sample)

  
Delivery method
Distributed via web download

Comments