MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f3081b3fecaa0fdd63abcc78b71e2c53eca9f7c595bf92a8c396a2bbf52b0d8. 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: 8f3081b3fecaa0fdd63abcc78b71e2c53eca9f7c595bf92a8c396a2bbf52b0d8
SHA3-384 hash: 6b6dae861942f36dde36a334849d1d0cefdb7d091916dd82cae3aa1d09a48fadd4ba35e38ba554c6b28f86b5f5a19c29
SHA1 hash: 61d6cf778e480d41ecc4ff30281dcbe38a02229d
MD5 hash: 79931063d6acc16687162eeac16e6cc9
humanhash: two-florida-single-kilo
File name:titanjr.arm
Download: download sample
Signature Mirai
File size:94'032 bytes
First seen:2025-09-01 13:00:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:/b1WN9Q+cB1cnv2jC1BPJIrSLpCmg2xAiQE8WYVowlNv9s2d:/bO9Q+cBA2CBIEpCmgpj15
TLSH T13B934A51FD828A12C6C116B7FB5E028E375313ACE2EE72039C256F21738B96B0E7B545
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 :
83
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-01T10:30:00Z UTC
Last seen:
2025-09-01T10:30:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=08d63961-1900-0000-edba-b27eb40f0000 pid=4020 /usr/bin/sudo guuid=43d1a663-1900-0000-edba-b27ebd0f0000 pid=4029 /tmp/sample.bin guuid=08d63961-1900-0000-edba-b27eb40f0000 pid=4020->guuid=43d1a663-1900-0000-edba-b27ebd0f0000 pid=4029 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Deletes system log files
Drops invisible ELF files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1768951 Sample: titanjr.arm.elf Startdate: 01/09/2025 Architecture: LINUX Score: 64 42 asdfavae.duckdns.org 2->42 44 asdfavae.duckdns.org 160.187.246.23, 12121, 43848, 43850 OCNNTTCommunicationsCorporationJP unknown 2->44 46 4 other IPs or domains 2->46 48 Multi AV Scanner detection for submitted file 2->48 10 titanjr.arm.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 50 Uses dynamic DNS services 42->50 process4 process5 16 titanjr.arm.elf 10->16         started        process6 18 titanjr.arm.elf 16->18         started        process7 20 titanjr.arm.elf sh 18->20         started        22 titanjr.arm.elf 18->22         started        24 titanjr.arm.elf 18->24         started        26 titanjr.arm.elf 18->26         started        process8 28 sh cp 20->28         started        32 titanjr.arm.elf 22->32         started        34 titanjr.arm.elf 22->34         started        36 titanjr.arm.elf 24->36         started        38 titanjr.arm.elf 24->38         started        file9 40 /tmp/.sysd (deleted), ELF 28->40 dropped 52 Drops invisible ELF files 28->52 54 Manipulation of devices in /dev 32->54 56 Deletes system log files 32->56 signatures10
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-01 13:01:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
Malware Config
C2 Extraction:
cvawrs.duckdns.org
fasdv.duckdns.org
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_Threat_d94e1020
Author:Elastic Security
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 8f3081b3fecaa0fdd63abcc78b71e2c53eca9f7c595bf92a8c396a2bbf52b0d8

(this sample)

Comments