MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4cd7274c0ae09e434507c06f4b0d81f2884bfc7edec586c48ba403d2274ab27. 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 3 File information Comments

SHA256 hash: a4cd7274c0ae09e434507c06f4b0d81f2884bfc7edec586c48ba403d2274ab27
SHA3-384 hash: 76821d079e359663deec74bbc4ea1c36294c897ef12e51a67edbd03a7aa004f6f42ba0e13ea737650a9cc65b2f26b30c
SHA1 hash: 1b1d5226f18819789d5918f431f3133724c5ad12
MD5 hash: f77139975dc9130f2652d74fa67ddd83
humanhash: vermont-nitrogen-triple-golf
File name:titanjr.sh4
Download: download sample
Signature Mirai
File size:83'812 bytes
First seen:2025-09-30 05:12:35 UTC
Last seen:2025-10-01 02:30:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:tgynxf8zTGpxM4Au0RsKZPLqhC+RCatenrHyL:txnx3pGfRzZeC+Rbyo
TLSH T1E483AD33C92A0E68D84845B4B0B18FB65763E515C0972EF7499AC67AD083EDCF58A3F4
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 :
118
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade obfuscated remote
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-30T02:19:00Z UTC
Last seen:
2025-09-30T02:19:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=9c059d11-1b00-0000-1594-dcebc60c0000 pid=3270 /usr/bin/sudo guuid=2160f513-1b00-0000-1594-dcebc80c0000 pid=3272 /tmp/sample.bin guuid=9c059d11-1b00-0000-1594-dcebc60c0000 pid=3270->guuid=2160f513-1b00-0000-1594-dcebc80c0000 pid=3272 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Deletes system log files
Drops files in suspicious directories
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1786394 Sample: titanjr.sh4.elf Startdate: 30/09/2025 Architecture: LINUX Score: 68 35 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->35 37 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->37 39 34.243.160.129, 443 AMAZON-02US United States 2->39 41 Multi AV Scanner detection for submitted file 2->41 10 titanjr.sh4.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 titanjr.sh4.elf 10->16         started        process6 18 titanjr.sh4.elf 16->18         started        file7 33 /etc/init.d/sysd, POSIX 18->33 dropped 43 Sample tries to set files in /etc globally writable 18->43 45 Drops files in suspicious directories 18->45 47 Sample tries to persist itself using System V runlevels 18->47 22 titanjr.sh4.elf 18->22         started        24 titanjr.sh4.elf sh 18->24         started        signatures8 process9 process10 26 titanjr.sh4.elf 22->26         started        29 titanjr.sh4.elf 22->29         started        31 sh cp 24->31         started        signatures11 49 Manipulation of devices in /dev 26->49 51 Deletes system log files 26->51
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-30 05:13:50 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai 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: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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf a4cd7274c0ae09e434507c06f4b0d81f2884bfc7edec586c48ba403d2274ab27

(this sample)

  
Delivery method
Distributed via web download

Comments