MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2fe5055255b62e7ebb10bd4b982106a25fba7cc191cd22311c1a16a25305880f. 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: 2fe5055255b62e7ebb10bd4b982106a25fba7cc191cd22311c1a16a25305880f
SHA3-384 hash: 6e8957b035d26ab72f6d0654961fc98399cff07c385ca84aa4dcdcb5c33f84cbadabe072df911eed03e1141611c10d41
SHA1 hash: a7be49db8430681bb9cfbbfc67087a0cfada62a6
MD5 hash: b7155c7a7a1e1c9dd9561854dda78cab
humanhash: cup-equal-blossom-india
File name:mips.kok
Download: download sample
Signature Mirai
File size:139'712 bytes
First seen:2026-01-13 19:31:34 UTC
Last seen:2026-01-14 12:17:51 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:DKHu+qnnxMVSgNbn2w82CWMgEKzkLAWny3YiRLu6tjC:DIdfJEKwLAWn/WLuEjC
TLSH T136D3D64E7E314F6DF7A8C23447B38B71975863D626E1D681E26CE5011E6038D286FFA8
telfhash t1f921b00c4a7823e497765c892beeef77e5a130de0a226d338e01a9ada5bcd424d00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin masquerade mirai
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-13T16:38:00Z UTC
Last seen:
2026-01-13T18:21:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Status:
terminated
Behavior Graph:
%3 guuid=c5f6fb7f-1600-0000-8aa4-4807f60c0000 pid=3318 /usr/bin/sudo guuid=ecc5b381-1600-0000-8aa4-4807fd0c0000 pid=3325 /tmp/sample.bin guuid=c5f6fb7f-1600-0000-8aa4-4807f60c0000 pid=3318->guuid=ecc5b381-1600-0000-8aa4-4807fd0c0000 pid=3325 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1850167 Sample: mips.kok.elf Startdate: 13/01/2026 Architecture: LINUX Score: 100 98 91.92.241.12, 50562, 6969 THEZONEBG Bulgaria 2->98 100 Multi AV Scanner detection for submitted file 2->100 11 mips.kok.elf 2->11         started        signatures3 process4 signatures5 104 Sample tries to kill multiple processes (SIGKILL) 11->104 106 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->106 14 mips.kok.elf 11->14         started        process6 file7 90 /var/spool/cron/root, ASCII 14->90 dropped 92 /var/spool/cron/crontabs/root, ASCII 14->92 dropped 94 /root/.bashrc, ASCII 14->94 dropped 96 11 other files (10 malicious) 14->96 dropped 124 Sample tries to set files in /etc globally writable 14->124 126 Sample tries to persist itself using /etc/profile 14->126 128 Drops files in suspicious directories 14->128 130 4 other signatures 14->130 18 mips.kok.elf sh 14->18         started        20 mips.kok.elf sh 14->20         started        22 mips.kok.elf sh 14->22         started        24 21 other processes 14->24 signatures8 process9 signatures10 27 sh cp 18->27         started        31 sh crontab 20->31         started        33 sh 20->33         started        35 sh cp 22->35         started        102 Sample tries to kill multiple processes (SIGKILL) 24->102 37 sh S99backup0 24->37         started        39 sh S99backup1 24->39         started        41 sh S99backup2 24->41         started        43 19 other processes 24->43 process11 file12 80 /usr/bin/.update, ELF 27->80 dropped 108 Writes identical ELF files to multiple locations 27->108 110 Drops invisible ELF files 27->110 112 Drops files in suspicious directories 27->112 82 /var/spool/cron/crontabs/tmp.MhnHyh, ASCII 31->82 dropped 114 Sample tries to persist itself using cron 31->114 116 Executes the "crontab" command typically for achieving persistence 31->116 45 sh crontab 33->45         started        84 /boot/.update, ELF 35->84 dropped 48 S99backup0 37->48         started        50 S99backup1 39->50         started        52 S99backup2 41->52         started        86 /var/log/.update, ELF 43->86 dropped 88 /var/jbx/shared/.update, ELF 43->88 dropped 118 Sample deletes itself 43->118 120 Terminates several processes with shell command 'killall' 43->120 54 S99network 43->54         started        56 .monitor 43->56         started        58 sh .update 43->58         started        60 2 other processes 43->60 signatures13 process14 signatures15 122 Executes the "crontab" command typically for achieving persistence 45->122 62 S99backup0 .update 48->62         started        70 29 other processes 48->70 64 S99backup1 .update 50->64         started        72 21 other processes 50->72 66 S99backup2 .update 52->66         started        74 19 other processes 52->74 68 S99network .update 54->68         started        76 17 other processes 54->76 78 2 other processes 56->78 process16
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-13 19:32:26 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Mirai
Mirai family
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 2fe5055255b62e7ebb10bd4b982106a25fba7cc191cd22311c1a16a25305880f

(this sample)

  
Delivery method
Distributed via web download

Comments