MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c70324d189ce5bf13a4c2db3d90355bd6fc812c8d2d50f708ff6bd1cd3f3f76. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c70324d189ce5bf13a4c2db3d90355bd6fc812c8d2d50f708ff6bd1cd3f3f76
SHA3-384 hash: 27d409f7b7175fc4396f20ba1aa4593243527a3a5d66dcce66b638a1912c2ef5b01de8cf55f5cbf11efdb1c52df8239b
SHA1 hash: a24fda230ec6cce8eba13b4e0d5afc28b5eaa0ca
MD5 hash: 36204572cad4da10f9f331807bd8932a
humanhash: high-july-magnesium-winner
File name:powerpc.kok
Download: download sample
Signature Mirai
Create hunting rule
File size:99'636 bytes
First seen:2026-01-12 17:37:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Spd/14cU3gA8I395w4IWip5RbbokR0dSzkgNNk6RDKyovjGW42uVdrHIr:Sav8+HvUHJ0dt0ReynWLr
TLSH T133A36D06B7080A43E1736DB43F3F2BD2D3DA999122F4A289255FBB49D072A325546FCD
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10001386-0
Create hunting rule

Unix.Trojan.Mirai-10010127-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/6965318f238597d053fb2098/reports/ffc9d87e-8133-4d68-9222-bc8923fa373a/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6ca05063-918c-4e14-b566-f8e3de6a7e73
Behavior Graph:
Download SVG
%3 guuid=f1a7bf17-1900-0000-f10b-3f39d3110000 pid=4563 /usr/bin/sudo guuid=04b5091a-1900-0000-f10b-3f39de110000 pid=4574 /tmp/sample.bin guuid=f1a7bf17-1900-0000-f10b-3f39d3110000 pid=4563->guuid=04b5091a-1900-0000-f10b-3f39de110000 pid=4574 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/217d696c-1e97-480e-8b8f-980c10ddd720
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1849401
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Terminates several processes with shell command 'killall'
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1849401 Sample: powerpc.kok.elf Startdate: 12/01/2026 Architecture: LINUX Score: 100 114 Multi AV Scanner detection for submitted file 2->114 10 dash rm powerpc.kok.elf 2->10         started        13 dash rm 2->13         started        15 dash head 2->15         started        17 7 other processes 2->17 process3 signatures4 124 Sample tries to kill multiple processes (SIGKILL) 10->124 126 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->126 19 powerpc.kok.elf 10->19         started        process5 file6 78 /var/spool/cron/root, ASCII 19->78 dropped 80 /var/spool/cron/crontabs/root, ASCII 19->80 dropped 82 /root/.bashrc, ASCII 19->82 dropped 84 11 other files (10 malicious) 19->84 dropped 116 Sample tries to set files in /etc globally writable 19->116 118 Sample tries to persist itself using /etc/profile 19->118 120 Drops files in suspicious directories 19->120 122 4 other signatures 19->122 23 powerpc.kok.elf sh 19->23         started        25 powerpc.kok.elf sh 19->25         started        27 powerpc.kok.elf sh 19->27         started        29 84 other processes 19->29 signatures7 process8 process9 31 sh cp 23->31         started        35 sh crontab 25->35         started        37 sh 25->37         started        39 sh cp 27->39         started        41 sh cp 29->41         started        43 sh cp 29->43         started        45 sh rm 29->45         started        47 82 other processes 29->47 file10 86 /usr/bin/.update, ELF 31->86 dropped 96 Writes identical ELF files to multiple locations 31->96 98 Drops invisible ELF files 31->98 100 Drops files in suspicious directories 31->100 88 /var/spool/cron/crontabs/tmp.16nPkK, ASCII 35->88 dropped 102 Sample tries to persist itself using cron 35->102 104 Executes the "crontab" command typically for achieving persistence 35->104 49 sh crontab 37->49         started        90 /boot/.update, ELF 39->90 dropped 92 /var/jbx/shared/.update, ELF 41->92 dropped 94 /var/log/.update, ELF 43->94 dropped 106 Sample deletes itself 45->106 108 Sample tries to kill multiple processes (SIGKILL) 47->108 110 Terminates several processes with shell command 'killall' 47->110 52 S99backup0 47->52         started        54 S99backup1 47->54         started        56 S99backup2 47->56         started        58 5 other processes 47->58 signatures11 process12 signatures13 112 Executes the "crontab" command typically for achieving persistence 49->112 60 S99backup0 .update 52->60         started        70 5 other processes 52->70 62 S99backup1 .update 54->62         started        72 5 other processes 54->72 64 S99backup2 .update 56->64         started        74 5 other processes 56->74 66 S99network .update 58->66         started        68 .monitor .update 58->68         started        76 10 other processes 58->76 process14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8c70324d189ce5bf13a4c2db3d90355bd6fc812c8d2d50f708ff6bd1cd3f3f76
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8c70324d189ce5bf13a4c2db3d90355bd6fc812c8d2d50f708ff6bd1cd3f3f76/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-12 17:38:24 UTC
File Type:
ELF32 Big (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rrydetiytts36e5eylnt3ebvlplpzajmruwvb5yi75v5dtj7h53a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260112-v7wj1ahy9g/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/9101cbdf-d64a-47ef-acb4-45da30341b93
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/8c70324d189ce5bf13a4c2db3d90355bd6fc812c8d2d50f708ff6bd1cd3f3f76

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
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 8c70324d189ce5bf13a4c2db3d90355bd6fc812c8d2d50f708ff6bd1cd3f3f76

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3749713/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3757305/

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