MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2b918a2d4c57714b026eb469c3cd66c5e972ba2fab1b7558e19dba8c9ce611e. 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 7 File information Comments
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SHA256 hash: a2b918a2d4c57714b026eb469c3cd66c5e972ba2fab1b7558e19dba8c9ce611e
SHA3-384 hash: 97151f2e193a151f1903d5654c821df0288c3168527afde0c3630ae08de7c251b059699f442911fff531f06d34eda726
SHA1 hash: f8be4fceb415c06bd2448ded961d9b47ff60cc44
MD5 hash: 15d86a4f8771b7ae2a36dc6057185eed
humanhash: stairway-carolina-utah-nineteen
File name:arm7.nigge
Download: download sample
Signature Mirai
Create hunting rule
File size:149'172 bytes
First seen:2026-02-09 20:27:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:lWcdoVG2aFftrGbZL0xNj1+RtaCaSffmzC6rceQHzcz8whH:lWVxcftQZL0HOtaCaSffmzFrcpzs8whH
TLSH T18EE33A56BD81DF11D4C731FAFAAE418933535BB8D3FA71129D206F61238A99B0F76202
telfhash t1cc01c216cb140d5cbbe15145d5bde0339b55314c3750348695d9295e5e42ab2b03f54a
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
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
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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:
gcc rust
Link:
https://www.filescan.io/uploads/698a4368981ff1d38a4ed419/reports/93191a99-2d3e-4ed1-9254-d21eb57b218f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
195
Number of processes launched:
117
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a2b918a2d4c57714b026eb469c3cd66c5e972ba2fab1b7558e19dba8c9ce611e
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 94.183.232.186:10212
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/51eb0ebc-e690-4914-9559-6b4230744afe
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1866346
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1866346 Sample: arm7.nigge.elf Startdate: 09/02/2026 Architecture: LINUX Score: 100 92 94.183.232.186, 10212, 57958 RASANAIR Iran (ISLAMIC Republic Of) 2->92 102 Found malware configuration 2->102 104 Multi AV Scanner detection for submitted file 2->104 106 Yara detected Gafgyt 2->106 11 arm7.nigge.elf 2->11         started        14 unknown arm7.nigge.elf 2->14         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 16 arm7.nigge.elf 11->16         started        process6 file7 66 /var/spool/cron/root, ASCII 16->66 dropped 68 /var/spool/cron/crontabs/root, ASCII 16->68 dropped 70 /root/.bashrc, ASCII 16->70 dropped 72 7 other files (6 malicious) 16->72 dropped 94 Sample tries to set files in /etc globally writable 16->94 96 Sample tries to persist itself using /etc/profile 16->96 98 Drops files in suspicious directories 16->98 100 4 other signatures 16->100 20 arm7.nigge.elf sh 16->20         started        22 arm7.nigge.elf sh 16->22         started        24 arm7.nigge.elf sh 16->24         started        26 24 other processes 16->26 signatures8 process9 signatures10 29 sh cp 20->29         started        33 sh crontab 22->33         started        35 sh 22->35         started        37 sh cp 24->37         started        108 Sample tries to kill multiple processes (SIGKILL) 26->108 39 sh S99network 26->39         started        41 sh cp 26->41         started        43 sh cp 26->43         started        45 22 other processes 26->45 process11 file12 74 /usr/bin/.update, ELF 29->74 dropped 114 Writes identical ELF files to multiple locations 29->114 116 Drops invisible ELF files 29->116 118 Drops files in suspicious directories 29->118 76 /var/spool/cron/crontabs/tmp.QkEXDb, ASCII 33->76 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        78 /var/jbx/shared/.update, ELF 37->78 dropped 50 S99network 39->50         started        80 /var/log/.update, ELF 41->80 dropped 82 /var/.update, ELF 43->82 dropped 84 /root/.update, ELF 45->84 dropped 86 /mnt/.update, ELF 45->86 dropped 88 /media/.update, ELF 45->88 dropped 90 2 other malicious files 45->90 dropped 124 Sample deletes itself 45->124 126 Terminates several processes with shell command 'killall' 45->126 52 .monitor 45->52         started        signatures13 process14 signatures15 128 Executes the "crontab" command typically for achieving persistence 47->128 54 S99network arm7.nigge.elf 50->54         started        56 S99network arm7.nigge.elf 50->56         started        58 S99network arm7.nigge.elf 50->58         started        64 17 other processes 50->64 60 .monitor arm7.nigge.elf 52->60         started        62 .monitor sleep 52->62         started        process16
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a2b918a2d4c57714b026eb469c3cd66c5e972ba2fab1b7558e19dba8c9ce611e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a2b918a2d4c57714b026eb469c3cd66c5e972ba2fab1b7558e19dba8c9ce611e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a2b918a2d4c57714b026eb469c3cd66c5e972ba2fab1b7558e19dba8c9ce611e
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-09 20:28:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uk4rriwuyv3rjmbg5ndjypgwnrpjok5c7ky3ovmodhn2rsoomepa._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260209-y852lsbw8h/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
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
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:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
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 a2b918a2d4c57714b026eb469c3cd66c5e972ba2fab1b7558e19dba8c9ce611e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3775200/
  
Delivery method
Distributed via web download

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