MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11ffc6b47fcb43ebabbcec4efda282d2cf1e07ce8caa01f88eaaa71d958ac9b7. 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: 11ffc6b47fcb43ebabbcec4efda282d2cf1e07ce8caa01f88eaaa71d958ac9b7
SHA3-384 hash: 77e4fa9387622eaf8dd177520285b2160d1a4a7ecc26083b3626205330c00603ca74327ed5b7b4a3942226f2281a1210
SHA1 hash: 23dce52b69984d46483c9d0854cef983efec9009
MD5 hash: 5d8340770dc380eaa1c2d5cbbc33ed68
humanhash: magnesium-robert-sink-zulu
File name:sh4.urbotnetisass
Download: download sample
Signature Mirai
File size:185'644 bytes
First seen:2025-09-08 20:27:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:SmiO7hwYpbWmJrtCDdHdOFTXpTu+TAwDYOG7kLgytFUwI01q3GHwnfYJQ:SIDpRiDdH8TXU+0w8O1gytFvZ83QJQ
TLSH T17904BF32C4655E94C0984672B4F5CF784F23A960818B2EB6A9DDC775A443E8CB349BFC
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 :
78
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:
2025-09-08T21:07:00Z UTC
Last seen:
2025-09-08T21:07:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=38fbe37b-1700-0000-8a50-3e0015070000 pid=1813 /usr/bin/sudo guuid=c941b87e-1700-0000-8a50-3e0016070000 pid=1814 /tmp/sample.bin guuid=38fbe37b-1700-0000-8a50-3e0015070000 pid=1813->guuid=c941b87e-1700-0000-8a50-3e0016070000 pid=1814 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1773529 Sample: sh4.urbotnetisass.elf Startdate: 08/09/2025 Architecture: LINUX Score: 92 47 94.154.35.153, 43212, 51936 SELECTELRU Ukraine 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Gafgyt 2->53 55 Yara detected Mirai 2->55 10 sh4.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 26 other processes 2->16 signatures3 process4 process5 18 sh4.urbotnetisass.elf 10->18         started        file6 39 /_dev_shm_.5456_librt.so.1, ELF 18->39 dropped 41 /_dev_shm_.5456_libpthread.so.0, ELF 18->41 dropped 43 /_dev_shm_.5456_libm.so.6, ELF 18->43 dropped 45 6 other malicious files 18->45 dropped 57 Writes identical ELF files to multiple locations 18->57 22 sh4.urbotnetisass.elf 18->22         started        24 sh4.urbotnetisass.elf 18->24         started        signatures7 process8 process9 26 sh4.urbotnetisass.elf 22->26         started        29 sh4.urbotnetisass.elf 24->29         started        signatures10 59 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->59 61 Deletes system log files 26->61 31 sh4.urbotnetisass.elf 26->31         started        33 sh4.urbotnetisass.elf 26->33         started        35 sh4.urbotnetisass.elf 26->35         started        37 7 other processes 26->37 process11
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-08 20:28:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
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 11ffc6b47fcb43ebabbcec4efda282d2cf1e07ce8caa01f88eaaa71d958ac9b7

(this sample)

  
Delivery method
Distributed via web download

Comments