MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a5919ae3b2e409c0d84d7353ee80c07daf71423c7b63b8b3858eaea0037f286. 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

SHA256 hash: 6a5919ae3b2e409c0d84d7353ee80c07daf71423c7b63b8b3858eaea0037f286
SHA3-384 hash: df1feca127fba61b89e321b97ef7c4b19e6fa04d69794024c035a3ce918b70e8ad6740c426cad786aab08d6d3d0dadc1
SHA1 hash: 3187b250a56441bd5d2c461d2290583401cdfbe7
MD5 hash: 04882d3e17f9386dd69d85df18660bb1
humanhash: fourteen-queen-tennessee-cat
File name:sh4.urbotnetisass
Download: download sample
Signature Mirai
File size:234'236 bytes
First seen:2025-09-23 13:25:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:sjVXqyiPDhUnUOZs+CzRKx712bXP8uqK4lKwJQ:+VXq9ryUWQzq7MqXlKwJQ
TLSH T14834BF22D5396E95C0780570F4F9CB7C8F236990855B2DB2A9DACAA49003FCDB25D7F8
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 :
90
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm expand lolbin remote threat
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-23T20:39:00Z UTC
Last seen:
2025-09-23T20:39:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=91d0b2f5-1800-0000-da5b-c217ff130000 pid=5119 /usr/bin/sudo guuid=35549df7-1800-0000-da5b-c21706140000 pid=5126 /tmp/sample.bin guuid=91d0b2f5-1800-0000-da5b-c217ff130000 pid=5119->guuid=35549df7-1800-0000-da5b-c21706140000 pid=5126 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1782623 Sample: sh4.urbotnetisass.elf Startdate: 23/09/2025 Architecture: LINUX Score: 100 66 94.154.35.153, 43212 SELECTELRU Ukraine 2->66 68 109.202.202.202, 80 INIT7CH Switzerland 2->68 70 4 other IPs or domains 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 Yara detected Gafgyt 2->76 78 Yara detected Mirai 2->78 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 82 Sample tries to persist itself using /etc/profile 11->82 84 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 11->84 86 Sample tries to persist itself using cron 11->86 88 Sample tries to persist itself using System V runlevels 11->88 21 sh4.urbotnetisass.elf 11->21         started        signatures6 process7 file8 50 /_dev_shm_.6244_librt.so.1, ELF 21->50 dropped 52 /_dev_shm_.6244_libpthread.so.0, ELF 21->52 dropped 54 /_dev_shm_.6244_libm.so.6, ELF 21->54 dropped 56 6 other malicious files 21->56 dropped 80 Writes identical ELF files to multiple locations 21->80 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       
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-23 13:26:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
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
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
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 6a5919ae3b2e409c0d84d7353ee80c07daf71423c7b63b8b3858eaea0037f286

(this sample)

  
Delivery method
Distributed via web download

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