MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8904ffaf40c983974f47f9fed5b525c2cb49762281e4df31bfa83fa59033a44. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8904ffaf40c983974f47f9fed5b525c2cb49762281e4df31bfa83fa59033a44
SHA3-384 hash: c83d7f25edb72f6ebe9a2f9caa2b96135654c71fa87a9ee86f210316068823f35b05ed2e5ba13ea44d34abea66a44d23
SHA1 hash: 6a2de9cce3c16eae62d4b383135e2a93d873cfb1
MD5 hash: 6fe6e7c0fd1093af214700734d9b12f4
humanhash: mars-table-uncle-romeo
File name:sh4.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:254'812 bytes
First seen:2025-09-24 14:27:56 UTC
Last seen:2025-09-25 03:24:26 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:5xC4UgafqCpvIJkcWeA8XFM4RVt+0csWht3ppa4JQ:HJUgbeAOcjJMCfzWD3ppa4JQ
TLSH T10D44AE21C5356ED8D0A54670B0F9CF3C8F537981808B2DF6AADAC9A4A047E89734D7F8
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 :
2
# of downloads :
89
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7136288-0
Create hunting rule

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

Unix.Trojan.Mirai-9885259-0
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.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/68d4001f74e5a28989911d5f/reports/7b510950-14f7-41c0-abfb-c1d563dbea7c/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-24T14:25:00Z UTC
Last seen:
2025-09-24T14:25:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f8904ffaf40c983974f47f9fed5b525c2cb49762281e4df31bfa83fa59033a44/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/23a16044-0361-4d7c-b8ea-1569374d09f6
Behavior Graph:
Download SVG
%3 guuid=dde7b4eb-1700-0000-daee-cdf98a0c0000 pid=3210 /usr/bin/sudo guuid=a81cbbee-1700-0000-daee-cdf98b0c0000 pid=3211 /tmp/sample.bin guuid=dde7b4eb-1700-0000-daee-cdf98a0c0000 pid=3210->guuid=a81cbbee-1700-0000-daee-cdf98b0c0000 pid=3211 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f680d0e4-da78-4211-96ef-4c24670105bc
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1783331
Signature
Antivirus / Scanner detection for submitted sample
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/f8904ffaf40c983974f47f9fed5b525c2cb49762281e4df31bfa83fa59033a44
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f8904ffaf40c983974f47f9fed5b525c2cb49762281e4df31bfa83fa59033a44/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-24 14:28:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7cie76xubsmds5hup6p62w2slqwljf3cfape34y37kb7uwidhjca._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250924-rtc9qay1bz/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b78aa9c5-0021-49c8-8b0d-7ee6c94e286e
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/f8904ffaf40c983974f47f9fed5b525c2cb49762281e4df31bfa83fa59033a44

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: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 f8904ffaf40c983974f47f9fed5b525c2cb49762281e4df31bfa83fa59033a44

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618253/
  
Delivery method
Distributed via web download

Comments