MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12bd53a1ba3bc79b1f30948f0a5f20f4b6761b3b036eb7459dd61ce1ea7bb04d. 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 4 File information Comments

SHA256 hash: 12bd53a1ba3bc79b1f30948f0a5f20f4b6761b3b036eb7459dd61ce1ea7bb04d
SHA3-384 hash: f5044001558ea893f52d581a4de039980505b4b718b82b65386bf3326fda30f112eda3f1d1b5cea52e52261e55a6c8c4
SHA1 hash: ccab96b406d7dd77657a56cf815b13e108bbafcd
MD5 hash: 5c3dab373dc21ff6ab52e865c074191b
humanhash: magnesium-quebec-magazine-ten
File name:byte.sh4
Download: download sample
Signature Mirai
File size:76'028 bytes
First seen:2026-01-18 18:53:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:1anfwtuIlKory3v3r/qqUKsfedCUJ3BCH+ONQ4Sul61d6Vl:1Of45Y35bsf83B7OGju4Y
TLSH T1D7737BB7DA269F56C04761F462F68E740B12BC284E670EF195A4EEE65003DECF9053B4
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 :
51
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc masquerade
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=8625cbc7-2100-0000-c2b9-6787740b0000 pid=2932 /usr/bin/sudo guuid=246f1aca-2100-0000-c2b9-6787790b0000 pid=2937 /tmp/sample.bin guuid=8625cbc7-2100-0000-c2b9-6787740b0000 pid=2932->guuid=246f1aca-2100-0000-c2b9-6787790b0000 pid=2937 execve
Result
Threat name:
Gafgyt, Okiru
Detection:
malicious
Classification:
spre.troj
Score:
80 / 100
Signature
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852913 Sample: byte.sh4.elf Startdate: 18/01/2026 Architecture: LINUX Score: 80 55 195.191.117.236, 23 WORLDSTREAMNL Norway 2->55 57 75.89.143.71, 23 WINDSTREAMUS United States 2->57 59 100 other IPs or domains 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected Okiru 2->63 65 Yara detected Gafgyt 2->65 8 byte.sh4.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 86 other processes 2->14 signatures3 process4 signatures5 17 byte.sh4.elf 8->17         started        19 byte.sh4.elf 8->19         started        22 byte.sh4.elf 8->22         started        24 gpu-manager sh 10->24         started        26 gpu-manager sh 10->26         started        28 gpu-manager sh 10->28         started        30 3 other processes 10->30 32 6 other processes 12->32 75 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->75 34 34 other processes 14->34 process6 signatures7 36 byte.sh4.elf 17->36         started        47 4 other processes 17->47 67 Sample tries to kill a massive number of system processes 19->67 69 Sample tries to kill multiple processes (SIGKILL) 19->69 39 sh grep 24->39         started        41 sh grep 26->41         started        43 sh grep 28->43         started        45 sh grep 30->45         started        49 2 other processes 30->49 51 6 other processes 32->51 53 26 other processes 34->53 process8 signatures9 71 Sample tries to kill a massive number of system processes 36->71 73 Sample tries to kill multiple processes (SIGKILL) 36->73
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-18 18:30:50 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
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_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
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 12bd53a1ba3bc79b1f30948f0a5f20f4b6761b3b036eb7459dd61ce1ea7bb04d

(this sample)

  
Delivery method
Distributed via web download

Comments