MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08816e635573569b4cb82c5002aaed63295a98a94f7dff72485be20db1762c44. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08816e635573569b4cb82c5002aaed63295a98a94f7dff72485be20db1762c44
SHA3-384 hash: 78ecf5912e408dfd0963abe90c79b00f394e8296da37d178782d9e88b7df119a64518f409a17780c1c3a5e1fbb6ff294
SHA1 hash: b3b76157df09802f7a9da144c2bcbbde2035e410
MD5 hash: a8d67f47806d96764eec1ccff724fe64
humanhash: kansas-pennsylvania-yellow-georgia
File name:sh4.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:201'468 bytes
First seen:2025-09-21 16:07:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:kiiuu1AAq482IhUU2XCRlhNi+nkJho0mCdefYJQ:ViR982IhUU2XCRlhY+nkDozCgfYJQ
TLSH T1D114BE32C8240C25DA2819B0B8F5CBBC4F53B560DE4B2DD5D59BCAB9C847E8DB14A3B4
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
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

Sanesecurity.Malware.29052.TSource.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:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm
Link:
https://www.filescan.io/uploads/68d022fa254431b688d7c995/reports/30f24338-7aff-4575-8c5c-4409c4e68e9a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-21T14:14:00Z UTC
Last seen:
2025-09-21T14:14:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/08816e635573569b4cb82c5002aaed63295a98a94f7dff72485be20db1762c44/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7f897daf-55e5-43f6-bdeb-110958dcce0f
Behavior Graph:
Download SVG
%3 guuid=d950bfda-1800-0000-4347-065ed10d0000 pid=3537 /usr/bin/sudo guuid=389109dd-1800-0000-4347-065ed80d0000 pid=3544 /tmp/sample.bin guuid=d950bfda-1800-0000-4347-065ed10d0000 pid=3537->guuid=389109dd-1800-0000-4347-065ed80d0000 pid=3544 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0060e763-455b-46d0-86bb-7cfca7d1513a
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1781572
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
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1781572 Sample: sh4.urbotnetisass.elf Startdate: 21/09/2025 Architecture: LINUX Score: 100 66 94.154.35.153, 43212 SELECTELRU Ukraine 2->66 68 Antivirus / Scanner detection for submitted sample 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected Gafgyt 2->72 74 Yara detected Mirai 2->74 11 sh4.urbotnetisass.elf 2->11         started        15 udisksd dumpe2fs 2->15         started        17 udisksd dumpe2fs 2->17         started        19 482 other processes 2->19 signatures3 process4 file5 58 /root/.bashrc, ASCII 11->58 dropped 60 /etc/rc.local, POSIX 11->60 dropped 62 /etc/profile, ASCII 11->62 dropped 64 /etc/crontab, ASCII 11->64 dropped 78 Sample tries to persist itself using /etc/profile 11->78 80 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 11->80 82 Sample tries to persist itself using cron 11->82 84 Sample tries to persist itself using System V runlevels 11->84 21 sh4.urbotnetisass.elf 11->21         started        signatures6 process7 file8 50 /_dev_shm_.5484_librt.so.1, ELF 21->50 dropped 52 /_dev_shm_.5484_libpthread.so.0, ELF 21->52 dropped 54 /_dev_shm_.5484_libm.so.6, ELF 21->54 dropped 56 6 other malicious files 21->56 dropped 76 Writes identical ELF files to multiple locations 21->76 25 sh4.urbotnetisass.elf 21->25         started        27 sh4.urbotnetisass.elf 21->27         started        29 sh4.urbotnetisass.elf 21->29         started        31 sh4.urbotnetisass.elf 21->31         started        signatures9 process10 process11 33 sh4.urbotnetisass.elf 25->33         started        36 sh4.urbotnetisass.elf 27->36         started        38 sh4.urbotnetisass.elf 29->38         started        40 sh4.urbotnetisass.elf 31->40         started        file12 46 /tmp/.taunt, POSIX 33->46 dropped 48 /tmp/.mock, POSIX 33->48 dropped 42 sh4.urbotnetisass.elf 33->42         started        process13 process14 44 sh4.urbotnetisass.elf 42->44         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/08816e635573569b4cb82c5002aaed63295a98a94f7dff72485be20db1762c44
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/08816e635573569b4cb82c5002aaed63295a98a94f7dff72485be20db1762c44/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-21 16:09:22 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=bcaw4y2vonljwtfyfriafkxnmmuvvgfjj56764silpra3mlwfrca._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250921-tld76acr6s/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/6773ac08-a09d-444d-b0d5-b0c3be8569d3
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/08816e635573569b4cb82c5002aaed63295a98a94f7dff72485be20db1762c44

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: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 08816e635573569b4cb82c5002aaed63295a98a94f7dff72485be20db1762c44

(this sample)

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

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