MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8615c605803586498ed882561565c639ba2804dc57305a3eca012e2e0037836c. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8615c605803586498ed882561565c639ba2804dc57305a3eca012e2e0037836c
SHA3-384 hash: 24f04933b8cbc03d39a542b37500fadfd3d361e07d7633d263b4059e8d346172a9734229e96b0bf635e3c2f5d1a4be39
SHA1 hash: 27fe5901dfc7e7f6ec440059e5af3269e0fe1ab6
MD5 hash: b3cb5b6e91fbcd8f39a769d69edeaa0d
humanhash: colorado-august-floor-beer
File name:arm4
Download: download sample
Signature Mirai
Create hunting rule
File size:83'296 bytes
First seen:2025-12-26 20:44:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:40PEARFbrWTRzl3UaW1O9KYe3lqHF6gnE7GDv3CX:RPNRFnWTRZkaMvQg8U
TLSH T14E831995B9418752C9C256BBFB1E028D772B036CD3FA320799269F61378B85B0E3B151
telfhash t19221ab714d484dbcb3c0c06aa0dd90115a1865f96b73391d7fbe6e2ad39bcd2a531135
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 :
27
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/e048f3a0-ce53-4744-a021-70674cf64951/
Detection(s):
Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/694ef3f984afa5547b5e86a7/reports/68e5f73a-ad39-4cdc-a147-905326ccae81/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ecbc49b0-87b9-416d-8c8f-df63f94a7e58
Behavior Graph:
Download SVG
%3 guuid=fb6eb51d-1800-0000-4ed7-586180090000 pid=2432 /usr/bin/sudo guuid=07ba6020-1800-0000-4ed7-58618a090000 pid=2442 /tmp/sample.bin guuid=fb6eb51d-1800-0000-4ed7-586180090000 pid=2432->guuid=07ba6020-1800-0000-4ed7-58618a090000 pid=2442 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8def411f-d938-4768-bda6-6647cdc58e30
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1840069
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1840069 Sample: arm4.elf Startdate: 26/12/2025 Architecture: LINUX Score: 80 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected Gafgyt 2->52 54 Yara detected Mirai 2->54 9 arm4.elf 2->9         started        11 systemd rsyslogd 2->11         started        14 gnome-session-binary sh gnome-shell 2->14         started        16 31 other processes 2->16 process3 file4 18 arm4.elf 9->18         started        48 /var/log/kern.log, ASCII 11->48 dropped process5 signatures6 56 Sample deletes itself 18->56 21 arm4.elf 18->21         started        process7 process8 23 arm4.elf 21->23         started        26 arm4.elf 21->26         started        28 arm4.elf 21->28         started        30 arm4.elf 21->30         started        signatures9 58 Manipulation of devices in /dev 23->58 60 Deletes system log files 23->60 32 arm4.elf 23->32         started        34 arm4.elf 23->34         started        36 arm4.elf 23->36         started        46 61 other processes 23->46 62 Sample tries to kill multiple processes (SIGKILL) 26->62 38 arm4.elf 26->38         started        40 arm4.elf 26->40         started        42 arm4.elf 28->42         started        44 arm4.elf 28->44         started        process10
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8615c605803586498ed882561565c639ba2804dc57305a3eca012e2e0037836c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8615c605803586498ed882561565c639ba2804dc57305a3eca012e2e0037836c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 20:45:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qyk4mbmagwdetdwyqjlbkzoghg5cqbg4k4yfupwkaexc4abxqnwa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai
Link:
https://tria.ge/reports/251226-zj1k9sxnhn/
Malware Config
C2 Extraction:
91.208.206.49
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: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 8615c605803586498ed882561565c639ba2804dc57305a3eca012e2e0037836c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3744319/
  
Delivery method
Distributed via web download

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