MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 854161dd4291d434e5c0f3a6e036a76cf94707ed53bd82fb670514dd494f83bd. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 854161dd4291d434e5c0f3a6e036a76cf94707ed53bd82fb670514dd494f83bd
SHA3-384 hash: 112649db0c69bcea2c9763ce58b3c5216425de77169f863d312d32b3a2307e6f438556f88bf44fe57829ad339b57ba1d
SHA1 hash: e3bed1df7d0caa24009d6878604bc6ed27cdce3c
MD5 hash: 691c48230411e0d5cd9fe47c18d7a6cc
humanhash: football-july-seventeen-moon
File name:mipsel.nigge
Download: download sample
Signature Mirai
File size:155'992 bytes
First seen:2026-02-11 07:33:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:XerAAkW+A6iU7WuMU9RwCA4Hpn2WSxcxE9+r86bt:KAAkTA6obU9RwCA4JNSmxE0
TLSH T1D4E3E749EF610EFBE86FCD3741EE0B0525CC591722A83B7A7570D928F24A24B1AD3974
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 :
46
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Changes access rights for a written file
Runs as daemon
Creating a process from a recently created file
Kills processes
Changes the time when the file was created, accessed, or modified
Deletes a file
Receives data from a server
Opens a port
Sends data to a server
Deleting a recently created file
Launching a process
Connection attempt
Sets a written file as executable
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash gafgyt lolbin mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-02-10T22:31:00Z UTC
Last seen:
2026-02-11T04:57:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Result
Threat name:
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
Found malware configuration
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
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1867219 Sample: mipsel.nigge.elf Startdate: 11/02/2026 Architecture: LINUX Score: 100 100 94.183.232.186, 10212, 36694 RASANAIR Iran (ISLAMIC Republic Of) 2->100 102 Found malware configuration 2->102 104 Multi AV Scanner detection for submitted file 2->104 106 Yara detected Gafgyt 2->106 11 mipsel.nigge.elf 2->11         started        signatures3 process4 signatures5 110 Sample tries to kill multiple processes (SIGKILL) 11->110 112 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->112 14 mipsel.nigge.elf 11->14         started        process6 file7 92 /var/spool/cron/root, ASCII 14->92 dropped 94 /var/spool/cron/crontabs/root, ASCII 14->94 dropped 96 /root/.bashrc, ASCII 14->96 dropped 98 11 other files (10 malicious) 14->98 dropped 128 Sample tries to set files in /etc globally writable 14->128 130 Sample tries to persist itself using /etc/profile 14->130 132 Drops files in suspicious directories 14->132 134 4 other signatures 14->134 18 mipsel.nigge.elf sh 14->18         started        20 mipsel.nigge.elf sh 14->20         started        22 mipsel.nigge.elf sh 14->22         started        24 21 other processes 14->24 signatures8 process9 signatures10 27 sh cp 18->27         started        31 sh .monitor 20->31         started        33 sh crontab 22->33         started        35 sh 22->35         started        108 Sample tries to kill multiple processes (SIGKILL) 24->108 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 82 /usr/bin/.update, ELF 27->82 dropped 114 Writes identical ELF files to multiple locations 27->114 116 Drops invisible ELF files 27->116 118 Drops files in suspicious directories 27->118 45 .monitor 31->45         started        84 /var/spool/cron/crontabs/tmp.lv0XEt, ASCII 33->84 dropped 120 Sample tries to persist itself using cron 33->120 122 Executes the "crontab" command typically for achieving persistence 33->122 47 sh crontab 35->47         started        50 S99backup0 37->50         started        52 S99backup1 39->52         started        54 S99backup2 41->54         started        86 /var/log/.update, ELF 43->86 dropped 88 /var/jbx/shared/.update, ELF 43->88 dropped 90 /boot/.update, ELF 43->90 dropped 124 Sample deletes itself 43->124 126 Terminates several processes with shell command 'killall' 43->126 56 S99network 43->56         started        58 sh .update 43->58         started        60 sh .update 43->60         started        62 sh .update 43->62         started        signatures13 process14 signatures15 72 38 other processes 45->72 136 Executes the "crontab" command typically for achieving persistence 47->136 64 S99backup0 .update 50->64         started        74 25 other processes 50->74 66 S99backup1 .update 52->66         started        76 23 other processes 52->76 68 S99backup2 .update 54->68         started        78 21 other processes 54->78 70 S99network .update 56->70         started        80 19 other processes 56->80 process16
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-02-11 04:11:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai 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
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 854161dd4291d434e5c0f3a6e036a76cf94707ed53bd82fb670514dd494f83bd

(this sample)

  
Delivery method
Distributed via web download

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