MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fcd31c6867be1ef681ad0a575638b0b573aa75639517dddbfae7a7b70e32152. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8fcd31c6867be1ef681ad0a575638b0b573aa75639517dddbfae7a7b70e32152
SHA3-384 hash: 092124257f4461c38f0c6c025785e6b54e35a645e1655b0d567874dc74d572f6932a29ba70cc0925c05b06bcb6b4c487
SHA1 hash: dbdb9557a03a1186953b34d5ce9ac41f3a9dca08
MD5 hash: 90170d5cd8f21f42604660a204a38741
humanhash: fish-monkey-glucose-virginia
File name:titanjr.x86_32
Download: download sample
Signature Mirai
Create hunting rule
File size:83'600 bytes
First seen:2025-09-22 03:33:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:4NGfle9cPS4ZS96W+XVE143RrFUCeWtsrswWdZa:4cEWSkS96W+6143RhUCeAszD
TLSH T19C836CC6F743D4F4E8120A71217BE7318A73E53D502AEE83D769A832BD12641E75A39C
telfhash t13f31a8f71eba5df8b7d06400d31e5b522969d67b186036625673c82022beed290bac39
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 :
49
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Sets a written file as executable
Receives data from a server
Launching a process
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai
Link:
https://www.filescan.io/uploads/68d0c3c5254431b688d843a8/reports/296d73fa-f31a-4c23-add7-60197b1cacec/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/8fcd31c6867be1ef681ad0a575638b0b573aa75639517dddbfae7a7b70e32152
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-22T00:31:00Z UTC
Last seen:
2025-09-22T00:31:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/8fcd31c6867be1ef681ad0a575638b0b573aa75639517dddbfae7a7b70e32152/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/98470aa7-cfe5-465e-885c-51bf360ce96c
Behavior Graph:
Download SVG
%3 guuid=c1ba9ab8-1800-0000-23ba-e915400a0000 pid=2624 /usr/bin/sudo guuid=092e8fba-1800-0000-23ba-e915460a0000 pid=2630 /tmp/sample.bin net guuid=c1ba9ab8-1800-0000-23ba-e915400a0000 pid=2624->guuid=092e8fba-1800-0000-23ba-e915460a0000 pid=2630 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=092e8fba-1800-0000-23ba-e915460a0000 pid=2630->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=2ec8afba-1800-0000-23ba-e915470a0000 pid=2631 /tmp/sample.bin guuid=092e8fba-1800-0000-23ba-e915460a0000 pid=2630->guuid=2ec8afba-1800-0000-23ba-e915470a0000 pid=2631 clone guuid=7a2cbaba-1800-0000-23ba-e915480a0000 pid=2632 /tmp/sample.bin write-config zombie guuid=2ec8afba-1800-0000-23ba-e915470a0000 pid=2631->guuid=7a2cbaba-1800-0000-23ba-e915480a0000 pid=2632 clone guuid=70d536be-1800-0000-23ba-e915540a0000 pid=2644 /usr/bin/dash guuid=7a2cbaba-1800-0000-23ba-e915480a0000 pid=2632->guuid=70d536be-1800-0000-23ba-e915540a0000 pid=2644 execve guuid=151743c0-1800-0000-23ba-e9155d0a0000 pid=2653 /tmp/sample.bin net send-data zombie guuid=7a2cbaba-1800-0000-23ba-e915480a0000 pid=2632->guuid=151743c0-1800-0000-23ba-e9155d0a0000 pid=2653 clone guuid=96f364be-1800-0000-23ba-e915560a0000 pid=2646 /usr/bin/cp guuid=70d536be-1800-0000-23ba-e915540a0000 pid=2644->guuid=96f364be-1800-0000-23ba-e915560a0000 pid=2646 execve guuid=151743c0-1800-0000-23ba-e9155d0a0000 pid=2653->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 2845B 8387198c-4187-5c1b-8fe1-6e4a7787527a 121.127.34.118:19191 guuid=151743c0-1800-0000-23ba-e9155d0a0000 pid=2653->8387198c-4187-5c1b-8fe1-6e4a7787527a send: 2B guuid=d8114bc0-1800-0000-23ba-e9155f0a0000 pid=2655 /tmp/sample.bin guuid=151743c0-1800-0000-23ba-e9155d0a0000 pid=2653->guuid=d8114bc0-1800-0000-23ba-e9155f0a0000 pid=2655 clone guuid=00a74fc0-1800-0000-23ba-e915600a0000 pid=2656 /tmp/sample.bin guuid=151743c0-1800-0000-23ba-e9155d0a0000 pid=2653->guuid=00a74fc0-1800-0000-23ba-e915600a0000 pid=2656 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0095d21b-818b-4a7d-93a8-a672c25134f3
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1781720
Signature
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1781720 Sample: titanjr.x86_32.elf Startdate: 22/09/2025 Architecture: LINUX Score: 68 36 121.127.34.118, 19191 RANATECHNET-AFRANATechnologiesKabulAF Afghanistan 2->36 38 109.202.202.202, 80 INIT7CH Switzerland 2->38 40 2 other IPs or domains 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 10 dash rm titanjr.x86_32.elf 2->10         started        12 dash rm 2->12         started        14 dash head 2->14         started        16 7 other processes 2->16 signatures3 process4 process5 18 titanjr.x86_32.elf 10->18         started        process6 20 titanjr.x86_32.elf 18->20         started        file7 34 /etc/init.d/sysd, POSIX 20->34 dropped 46 Sample tries to set files in /etc globally writable 20->46 48 Drops files in suspicious directories 20->48 50 Sample tries to persist itself using System V runlevels 20->50 24 titanjr.x86_32.elf sh 20->24         started        26 titanjr.x86_32.elf 20->26         started        signatures8 process9 process10 28 sh cp 24->28         started        30 titanjr.x86_32.elf 26->30         started        32 titanjr.x86_32.elf 26->32         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8fcd31c6867be1ef681ad0a575638b0b573aa75639517dddbfae7a7b70e32152
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8fcd31c6867be1ef681ad0a575638b0b573aa75639517dddbfae7a7b70e32152/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/8fcd31c6867be1ef681ad0a575638b0b573aa75639517dddbfae7a7b70e32152
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-22 03:34:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r7gtdrugppq662a22csxky4lbnltvj2whfix3xn7vz5hw4hdefja._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access discovery linux persistence
Link:
https://tria.ge/reports/250922-d4y3aacn8z/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Malware Config
C2 Extraction:
asdfavae.duckdns.org
cvawrs.duckdns.org
fasdv.duckdns.org
savaswsd.duckdns.org
vmklsfdv.duckdns.org
Verdict:
Unknown
Tags:
trojan mirai gafgyt
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/7c0d657b-1882-4fd7-96ef-87b23c1d622d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.26
Link:
https://yomi.yoroi.company/submissions/8fcd31c6867be1ef681ad0a575638b0b573aa75639517dddbfae7a7b70e32152

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
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:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
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 8fcd31c6867be1ef681ad0a575638b0b573aa75639517dddbfae7a7b70e32152

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3628519/
  
Delivery method
Distributed via web download

Comments