MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 381fc08c620af3e439beba09f1c6b7f4916b34a5c921bfefb43db2ed641679de. 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: 9


Intelligence 9 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 381fc08c620af3e439beba09f1c6b7f4916b34a5c921bfefb43db2ed641679de
SHA3-384 hash: 0d5b0587d5a4e7c2079843dc850db7bd6613b66f9dd85821a365e975a8615f6473e914ac49286ab664e67e1590cafd8c
SHA1 hash: 84c06c5943d1f496bd5c44b752659c8a7b43cb5b
MD5 hash: 5aa4c799c0531112b9ae1b943a3b050d
humanhash: berlin-equal-stairway-alaska
File name:m68k.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:266'224 bytes
First seen:2025-09-24 22:00:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:D+yXSDCtltQH68laWiwgU+F5jlzDM8pFj6PSRYJRAW:y+Q7kWiwz+F1lHtj6PSRYJRAW
TLSH T162447E86F402DD3EFC89C63B815F59077130AB6141821A27B227F956BD3B1B51A3BF4A
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30645.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm
Link:
https://www.filescan.io/uploads/68d46a19674d5fd6aa0bb407/reports/d1dfffa4-5b5a-498b-9eab-49542caf13c2/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-24T23:08:00Z UTC
Last seen:
2025-09-24T23:08:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/381fc08c620af3e439beba09f1c6b7f4916b34a5c921bfefb43db2ed641679de/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e7347335-df3c-4829-90e1-03820223ff58
Behavior Graph:
Download SVG
%3 guuid=8e61fc5b-1900-0000-bc1a-e3d3a7130000 pid=5031 /usr/bin/sudo guuid=be1bb65d-1900-0000-bc1a-e3d3b1130000 pid=5041 /tmp/sample.bin guuid=8e61fc5b-1900-0000-bc1a-e3d3a7130000 pid=5031->guuid=be1bb65d-1900-0000-bc1a-e3d3b1130000 pid=5041 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d3b5c97c-4e31-4e6f-98ef-67090f2fe461
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1783617
Signature
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/381fc08c620af3e439beba09f1c6b7f4916b34a5c921bfefb43db2ed641679de
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/381fc08c620af3e439beba09f1c6b7f4916b34a5c921bfefb43db2ed641679de/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-24 22:00:57 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hap4bddcblz6ion6xie7drvx6siwwnffzeq3735uhwzo2zawphpa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250924-1w5lesej2v/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c481f995-56e7-405e-b927-be84349078c8
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/381fc08c620af3e439beba09f1c6b7f4916b34a5c921bfefb43db2ed641679de

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Mirai_Unpack
Create hunting rule
Rule name:Qbot_Gafgyt_Bashlite
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
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 381fc08c620af3e439beba09f1c6b7f4916b34a5c921bfefb43db2ed641679de

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618254/
  
Delivery method
Distributed via web download

Comments