MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b22fd5c0a347ac3d86657a7d3532a0ca457806d2c33930ef3faee65963bf2468. 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 3 File information Comments

SHA256 hash: b22fd5c0a347ac3d86657a7d3532a0ca457806d2c33930ef3faee65963bf2468
SHA3-384 hash: 3c3c3f1d6ecdaf261b6d79cf0f5e43775869f1b24a701476786670b4ccf88b771d3ff11683696e607eb6574f08094c1b
SHA1 hash: 4fbfd3b5b1827e798796b51af66d23ab891f6285
MD5 hash: 3dee728c386a310c59d4b91b302e9a46
humanhash: yellow-michigan-social-sad
File name:arm5
Download: download sample
Signature Mirai
File size:79'200 bytes
First seen:2026-01-04 22:52:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:3sIhB1vZvXRR32xWrOngmNSDTaz7KoUaVjAV5dxvZ:cIz1vZvXjGxWND2nKeE7
TLSH T1E6730895FD409B92CAD216BBFB1E428D772A4368D3FA330399255F21379B85B0E3B501
telfhash t1d821d2554d8c9a9da7c0c58ee1de8216211c70b5bfb2286dbf7ae97d83cb4d26420472
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 :
76
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
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-04T20:27:00Z UTC
Last seen:
2026-01-05T12:48:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=b91ac3ce-1a00-0000-1bcb-bfaeff080000 pid=2303 /usr/bin/sudo guuid=cdbdebd0-1a00-0000-1bcb-bfae00090000 pid=2304 /tmp/sample.bin guuid=b91ac3ce-1a00-0000-1bcb-bfaeff080000 pid=2303->guuid=cdbdebd0-1a00-0000-1bcb-bfae00090000 pid=2304 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844571 Sample: arm5.elf Startdate: 05/01/2026 Architecture: LINUX Score: 80 39 109.202.202.202, 80 INIT7CH Switzerland 2->39 41 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->41 43 3 other IPs or domains 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Gafgyt 2->47 49 Yara detected Mirai 2->49 10 arm5.elf 2->10         started        12 systemd rsyslogd 2->12         started        15 gnome-session-binary sh gnome-shell 2->15         started        17 20 other processes 2->17 signatures3 process4 file5 19 arm5.elf 10->19         started        37 /var/log/kern.log, ASCII 12->37 dropped process6 signatures7 51 Sample deletes itself 19->51 22 arm5.elf 19->22         started        process8 process9 24 arm5.elf 22->24         started        27 arm5.elf 22->27         started        signatures10 53 Manipulation of devices in /dev 24->53 55 Deletes system log files 24->55 29 arm5.elf 24->29         started        31 arm5.elf 24->31         started        33 arm5.elf 24->33         started        35 73 other processes 24->35 57 Sample tries to kill multiple processes (SIGKILL) 27->57 process11
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-04 22:53:20 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 botnet:mirai
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9858729-0
YARA:
n/a
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
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 b22fd5c0a347ac3d86657a7d3532a0ca457806d2c33930ef3faee65963bf2468

(this sample)

  
Delivery method
Distributed via web download

Comments