MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bee194f57870f9d53ebc92fc873362c1ffc345efb85a5722ecbd091edf2ba91. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: 1bee194f57870f9d53ebc92fc873362c1ffc345efb85a5722ecbd091edf2ba91
SHA3-384 hash: faf860b99b92b2f74a842a623b1283fd0d91925695373260109405e0087c6cdf423ce1a3641a3afb8880c569e0604fc5
SHA1 hash: c4d497f3a37a6b57f9158fb3fc3fa31f311c4ab0
MD5 hash: b8ad49686905ab1917cc29b4312d6884
humanhash: triple-zulu-cardinal-mockingbird
File name:powerpc.kok
Download: download sample
Signature Mirai
File size:99'636 bytes
First seen:2026-01-10 07:06:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:JpaW7nMNlSCd4KYezn9+afKkR0tSTlYU00KR0KyjgmvDmfFCesz33:JhAge1T0tsERXyMPfI3
TLSH T135A36C06B70C0A43E1736DB43F3F27D2D3DA9AD122F4A289255ABB49D072A325546FCD
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
95
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Deletes a file
Receives data from a server
Attempts to kill processes by name
Opens a port
Deleting a recently created file
Sends data to a server
Launching a process
Connection attempt
Sets a written file as executable
Creating a file
Changes access rights for a written file
Runs as daemon
Creating a process from a recently created file
Kills processes
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-10T00:09:00Z UTC
Last seen:
2026-01-10T07:25:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=940ac951-1600-0000-fe78-1755150e0000 pid=3605 /usr/bin/sudo guuid=ab4c2454-1600-0000-fe78-1755200e0000 pid=3616 /tmp/sample.bin guuid=940ac951-1600-0000-fe78-1755150e0000 pid=3605->guuid=ab4c2454-1600-0000-fe78-1755200e0000 pid=3616 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847814 Sample: powerpc.kok.elf Startdate: 10/01/2026 Architecture: LINUX Score: 96 91 91.92.241.12, 50568, 6969 THEZONEBG Bulgaria 2->91 93 Multi AV Scanner detection for submitted file 2->93 11 powerpc.kok.elf 2->11         started        signatures3 process4 signatures5 95 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->95 14 powerpc.kok.elf 11->14         started        process6 file7 83 /var/spool/cron/root, ASCII 14->83 dropped 85 /var/spool/cron/crontabs/root, ASCII 14->85 dropped 87 /root/.bashrc, ASCII 14->87 dropped 89 11 other files (10 malicious) 14->89 dropped 113 Sample tries to set files in /etc globally writable 14->113 115 Sample tries to persist itself using /etc/profile 14->115 117 Drops files in suspicious directories 14->117 119 4 other signatures 14->119 18 powerpc.kok.elf sh 14->18         started        20 powerpc.kok.elf sh 14->20         started        22 powerpc.kok.elf sh 14->22         started        24 20 other processes 14->24 signatures8 process9 process10 26 sh cp 18->26         started        30 sh crontab 20->30         started        32 sh 20->32         started        34 sh cp 22->34         started        36 sh cp 24->36         started        38 sh cp 24->38         started        40 sh rm 24->40         started        42 18 other processes 24->42 file11 73 /usr/bin/.update, ELF 26->73 dropped 97 Writes identical ELF files to multiple locations 26->97 99 Drops invisible ELF files 26->99 101 Drops files in suspicious directories 26->101 75 /var/spool/cron/crontabs/tmp.jJhQ2T, ASCII 30->75 dropped 103 Sample tries to persist itself using cron 30->103 105 Executes the "crontab" command typically for achieving persistence 30->105 44 sh crontab 32->44         started        77 /boot/.update, ELF 34->77 dropped 79 /var/jbx/shared/.update, ELF 36->79 dropped 81 /var/log/.update, ELF 38->81 dropped 107 Sample deletes itself 40->107 109 Terminates several processes with shell command 'killall' 42->109 47 S99backup0 42->47         started        49 S99backup1 42->49         started        51 S99backup2 42->51         started        53 5 other processes 42->53 signatures12 process13 signatures14 111 Executes the "crontab" command typically for achieving persistence 44->111 55 S99backup0 .update 47->55         started        65 5 other processes 47->65 57 S99backup1 .update 49->57         started        67 5 other processes 49->67 59 S99backup2 .update 51->59         started        69 5 other processes 51->69 61 S99network .update 53->61         started        63 .monitor .update 53->63         started        71 6 other processes 53->71 process15
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-10 05:01:07 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_irc_catcher
Author:@_lubiedo
Description:Find new ELF IRC samples
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 1bee194f57870f9d53ebc92fc873362c1ffc345efb85a5722ecbd091edf2ba91

(this sample)

  
Delivery method
Distributed via web download

Comments