MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42e4f4fc464dfa9b63bcdc48a28c5cbc0b96ece66551ba909cd56686cdad569f. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 42e4f4fc464dfa9b63bcdc48a28c5cbc0b96ece66551ba909cd56686cdad569f
SHA3-384 hash: 5abdec525ff8a176bef4f4d5de37b1c98faa2cc03bebc3dc264b2769da8226ca9830c6cd4e4c403fd6ef9747a1d1fa20
SHA1 hash: 10261a0028121786521aa440d5fe2f20f4663f5b
MD5 hash: 39c4b8d75dc137a83f3d3019ef88b25f
humanhash: shade-maryland-michigan-ack
File name:sh4
Download: download sample
Signature Mirai
File size:103'856 bytes
First seen:2025-12-30 06:23:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:/sqpbhwWmPd+z3lPqhA7Nb6kx/UZlPN9YnTi:/Tk21PGA5b6AY39wi
TLSH T145A39D63CC392E54C15596B4F0B0DB799B63B51590875FAA90B7C37E9083EC8F88A3B4
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 :
87
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
expand gafgyt lolbin mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-30T05:31:00Z UTC
Last seen:
2025-12-30T06:25:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=cfb320c9-1600-0000-eb60-f43e7f0e0000 pid=3711 /usr/bin/sudo guuid=6224afcb-1600-0000-eb60-f43e890e0000 pid=3721 /tmp/sample.bin guuid=cfb320c9-1600-0000-eb60-f43e7f0e0000 pid=3711->guuid=6224afcb-1600-0000-eb60-f43e890e0000 pid=3721 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Uses STUN server to do NAT traversial
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841957 Sample: sh4.elf Startdate: 30/12/2025 Architecture: LINUX Score: 80 21 stun.l.google.com 2->21 23 155.183.70.69, 23 ZAMRENZM United States 2->23 25 99 other IPs or domains 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Mirai 2->31 33 Connects to many ports of the same IP (likely port scanning) 2->33 7 sh4.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 35 Uses STUN server to do NAT traversial 21->35 process4 process5 15 sh4.elf 7->15         started        17 sh4.elf 7->17         started        19 sh4.elf 7->19         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-30 06:24:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
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_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 42e4f4fc464dfa9b63bcdc48a28c5cbc0b96ece66551ba909cd56686cdad569f

(this sample)

  
Delivery method
Distributed via web download

Comments