MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 931b909773d77ce616e5eeed1751354f3be255b3bfa77578e0db82f70bdba43a. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 931b909773d77ce616e5eeed1751354f3be255b3bfa77578e0db82f70bdba43a
SHA3-384 hash: d0528e460d5509bf621fd80baeac8a4393b6b3e47867c09a12c9960fb9fd82a274943c625458b21ffb96ee5ba806ba7e
SHA1 hash: f548d59a3ae153fceab016d0f8f79bacc52a677f
MD5 hash: eee98cbc8550e607e3f05794b178aa17
humanhash: pluto-social-colorado-ack
File name:titanjr.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:89'716 bytes
First seen:2025-12-28 23:38:59 UTC
Last seen:2025-12-29 01:49:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:jxbuV/oeWRynbOAtom7xGJaJa44Bx8ySAN9TwxJSCJonP9eJCQsP2j+ks:jxbuV/VWRynb57uHx8yRtkSC6CCQs3
TLSH T1EC933952FD818662C6C126B7FB5E028D372653A9E2EE3203EC156F2137C795B0E7B541
telfhash t10211eff56bd844ec07d08148864fa49a57ae70b52b06360aaa7dbe4bd2832e0b74001b
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 :
53
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/857fa152-02dd-4776-a6c5-0180dc140d92/
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Unix.Trojan.Mirai-10058922-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Link:
https://www.filescan.io/uploads/6951bfc6127d6a14e0c550ca/reports/9cb6836c-08f4-4883-81cf-0253182698c5/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-28T21:10:00Z UTC
Last seen:
2025-12-29T09:14:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/931b909773d77ce616e5eeed1751354f3be255b3bfa77578e0db82f70bdba43a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/63888c67-ab92-4092-af86-5f661719c096
Behavior Graph:
Download SVG
%3 guuid=42a424b9-1c00-0000-b2e6-7eabf50b0000 pid=3061 /usr/bin/sudo guuid=d7b2d4ba-1c00-0000-b2e6-7eabf60b0000 pid=3062 /tmp/sample.bin guuid=42a424b9-1c00-0000-b2e6-7eabf50b0000 pid=3061->guuid=d7b2d4ba-1c00-0000-b2e6-7eabf60b0000 pid=3062 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/849a9f5c-31a6-4644-a5d8-b238b6e7a72b
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1840957
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840957 Sample: titanjr.arm5.elf Startdate: 29/12/2025 Architecture: LINUX Score: 68 31 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->31 33 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->33 35 Multi AV Scanner detection for submitted file 2->35 10 titanjr.arm5.elf 2->10         started        signatures3 process4 process5 12 titanjr.arm5.elf 10->12         started        process6 14 titanjr.arm5.elf 12->14         started        file7 29 /etc/init.d/sysd, POSIX 14->29 dropped 41 Sample tries to set files in /etc globally writable 14->41 43 Drops files in suspicious directories 14->43 45 Sample tries to persist itself using System V runlevels 14->45 18 titanjr.arm5.elf 14->18         started        20 titanjr.arm5.elf sh 14->20         started        signatures8 process9 process10 22 titanjr.arm5.elf 18->22         started        25 titanjr.arm5.elf 18->25         started        27 sh cp 20->27         started        signatures11 37 Manipulation of devices in /dev 22->37 39 Deletes system log files 22->39
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/931b909773d77ce616e5eeed1751354f3be255b3bfa77578e0db82f70bdba43a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/931b909773d77ce616e5eeed1751354f3be255b3bfa77578e0db82f70bdba43a/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/931b909773d77ce616e5eeed1751354f3be255b3bfa77578e0db82f70bdba43a
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-28 23:39:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=smnzbf3t256omfxf53wroujvj456evntx6txk6ha3obpoc63uq5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251228-3npw4s1jgj/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10056463-0
YARA:
n/a
Link:
https://app.threat.zone/submission/33caba13-0b7b-4fd6-9172-5843c5d38b86
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/931b909773d77ce616e5eeed1751354f3be255b3bfa77578e0db82f70bdba43a

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Generic_Threat_d94e1020
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 931b909773d77ce616e5eeed1751354f3be255b3bfa77578e0db82f70bdba43a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3745533/
  
Delivery method
Distributed via web download

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