MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef4eb65b44e082dc9016a81f7c5cd9106b9cb8beba84ddc5193f724af0fe5ab4. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef4eb65b44e082dc9016a81f7c5cd9106b9cb8beba84ddc5193f724af0fe5ab4
SHA3-384 hash: d022b2dc8348bdcba8ecd3aef15053bfdf39e8d64c9b44c55cc1810b50b6a1a820fcddbcbd227738b1d1695104036da9
SHA1 hash: 9151362b1a2aaf6e8901ff48c88dec484424f259
MD5 hash: 9b4ca34e77b48bb996fc62e762dd0a65
humanhash: queen-table-sweet-zebra
File name:titanjr.x86_32
Download: download sample
Signature Mirai
Create hunting rule
File size:79'504 bytes
First seen:2026-01-31 18:37:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:8UMYASDKepcEwK7wPWdkETb3NvR9dRqHcsZ4O4hF:8F/etwK7HFTb3VR9TenZIF
TLSH T10D736CC2AF47D4F1EC120472217BEB725673E53E1029EE87C729A932ED52601D26B39C
telfhash t1e931c7f70eae1ce8b7d05940c31e6fd1196ed73b185136a541629914239aec350bac3c
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 :
57
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/1e0d65bb-a775-4913-b01f-5aada25820f6/
Detection(s):
Unix.Trojan.Mirai-10056463-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10059005-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/697e4c08981ff1d38a430bd2/reports/6aa680d8-7c69-43de-82ec-ee078d5ade1c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/ef4eb65b44e082dc9016a81f7c5cd9106b9cb8beba84ddc5193f724af0fe5ab4
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-31T15:50:00Z UTC
Last seen:
2026-01-31T18:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/ef4eb65b44e082dc9016a81f7c5cd9106b9cb8beba84ddc5193f724af0fe5ab4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6f53ab98-e526-4818-a0d5-0f6758be9b65
Behavior Graph:
Download SVG
%3 guuid=f29bf68f-1800-0000-0a68-d25e9e0a0000 pid=2718 /usr/bin/sudo guuid=65baa891-1800-0000-0a68-d25ea50a0000 pid=2725 /tmp/sample.bin net guuid=f29bf68f-1800-0000-0a68-d25e9e0a0000 pid=2718->guuid=65baa891-1800-0000-0a68-d25ea50a0000 pid=2725 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=65baa891-1800-0000-0a68-d25ea50a0000 pid=2725->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=1f87c891-1800-0000-0a68-d25ea60a0000 pid=2726 /tmp/sample.bin guuid=65baa891-1800-0000-0a68-d25ea50a0000 pid=2725->guuid=1f87c891-1800-0000-0a68-d25ea60a0000 pid=2726 clone guuid=8047d691-1800-0000-0a68-d25ea70a0000 pid=2727 /tmp/sample.bin write-config zombie guuid=1f87c891-1800-0000-0a68-d25ea60a0000 pid=2726->guuid=8047d691-1800-0000-0a68-d25ea70a0000 pid=2727 clone guuid=c50f7295-1800-0000-0a68-d25eb20a0000 pid=2738 /usr/bin/dash guuid=8047d691-1800-0000-0a68-d25ea70a0000 pid=2727->guuid=c50f7295-1800-0000-0a68-d25eb20a0000 pid=2738 execve guuid=1c414d98-1800-0000-0a68-d25eb70a0000 pid=2743 /tmp/sample.bin net send-data zombie guuid=8047d691-1800-0000-0a68-d25ea70a0000 pid=2727->guuid=1c414d98-1800-0000-0a68-d25eb70a0000 pid=2743 clone guuid=165ecd95-1800-0000-0a68-d25eb30a0000 pid=2739 /usr/bin/cp guuid=c50f7295-1800-0000-0a68-d25eb20a0000 pid=2738->guuid=165ecd95-1800-0000-0a68-d25eb30a0000 pid=2739 execve a1e7725d-cab9-5038-b4eb-fe816c44ed5e 77.90.185.212:19191 guuid=1c414d98-1800-0000-0a68-d25eb70a0000 pid=2743->a1e7725d-cab9-5038-b4eb-fe816c44ed5e send: 4B guuid=c4f25798-1800-0000-0a68-d25eb80a0000 pid=2744 /tmp/sample.bin guuid=1c414d98-1800-0000-0a68-d25eb70a0000 pid=2743->guuid=c4f25798-1800-0000-0a68-d25eb80a0000 pid=2744 clone guuid=26365f98-1800-0000-0a68-d25eb90a0000 pid=2745 /tmp/sample.bin guuid=1c414d98-1800-0000-0a68-d25eb70a0000 pid=2743->guuid=26365f98-1800-0000-0a68-d25eb90a0000 pid=2745 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e951e17c-659b-44e8-8f6e-e5175465292d
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1861003
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: 1861003 Sample: titanjr.x86_32.elf Startdate: 31/01/2026 Architecture: LINUX Score: 68 34 77.90.185.212, 19191, 52710 M247GB Germany 2->34 36 54.217.10.153, 443 AMAZON-02US United States 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 10 titanjr.x86_32.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 titanjr.x86_32.elf 10->16         started        process6 18 titanjr.x86_32.elf 16->18         started        file7 32 /etc/init.d/sysd, POSIX 18->32 dropped 42 Sample tries to set files in /etc globally writable 18->42 44 Drops files in suspicious directories 18->44 46 Sample tries to persist itself using System V runlevels 18->46 22 titanjr.x86_32.elf sh 18->22         started        24 titanjr.x86_32.elf 18->24         started        signatures8 process9 process10 26 sh cp 22->26         started        28 titanjr.x86_32.elf 24->28         started        30 titanjr.x86_32.elf 24->30         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef4eb65b44e082dc9016a81f7c5cd9106b9cb8beba84ddc5193f724af0fe5ab4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef4eb65b44e082dc9016a81f7c5cd9106b9cb8beba84ddc5193f724af0fe5ab4/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/ef4eb65b44e082dc9016a81f7c5cd9106b9cb8beba84ddc5193f724af0fe5ab4
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-31 18:39:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55hlmw2e4cbnzeawvapxyxgzcbvzzof6xkcn3rizh5zev4h6lk2a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access discovery linux persistence
Link:
https://tria.ge/reports/260131-w9rjhafv2c/
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:
77.90.185.212
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
Link:
https://yomi.yoroi.company/submissions/ef4eb65b44e082dc9016a81f7c5cd9106b9cb8beba84ddc5193f724af0fe5ab4

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_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:telebot_framework
Create hunting rule
Author:vietdx.mb
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 ef4eb65b44e082dc9016a81f7c5cd9106b9cb8beba84ddc5193f724af0fe5ab4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3766782/
  
Delivery method
Distributed via web download

Comments