MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9aa1a5e28a1fdd70b964ab5b96b350a5f999cb4c1f64df2fe180bc652c950d30. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9aa1a5e28a1fdd70b964ab5b96b350a5f999cb4c1f64df2fe180bc652c950d30
SHA3-384 hash: ebe9e6d7dd5d746bd83b9bc0438d4e67b5a40cd297f6acb201ce91242b55c2ba7cce3c91756eaed3176c3a5572be7d21
SHA1 hash: 62f1480bcc66dcc1efa758e42a242719fa6c2d91
MD5 hash: 9151065b92aace3ff424d10d412594ec
humanhash: fillet-yellow-juliet-eighteen
File name:arm5.nigge
Download: download sample
Signature Mirai
Create hunting rule
File size:120'020 bytes
First seen:2026-02-09 20:28:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:s9CQ1Vj6Dkqw9NP2UyEPADFkxBswnUcRyUyF4MTPDukpqDjwJ7iq0Fen9OppTs2u:s9C0h6DRS0w5RgDtpNuq0o94uJ
TLSH T1BFC33A92FD81D612C6C721B7FB6E428D371713B8D3EA32079D216F21238A96A0F77641
telfhash t1a851f217ff840b9c67ca825842ce612babec35dd2b1228a74f5d9f4b5542ac2743f817
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 :
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
Create hunting rule

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

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

Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f3d4cd3e-f315-474a-9e25-4cf91f03bed6
Behavior Graph:
Download SVG
%3 guuid=9db6e321-1700-0000-4a0e-4a4aec0e0000 pid=3820 /usr/bin/sudo guuid=287de323-1700-0000-4a0e-4a4af70e0000 pid=3831 /tmp/sample.bin guuid=9db6e321-1700-0000-4a0e-4a4aec0e0000 pid=3820->guuid=287de323-1700-0000-4a0e-4a4af70e0000 pid=3831 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/59b31b16-ae80-4631-bad1-504fff7c80d9
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1866345
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: 1866345 Sample: arm5.nigge.elf Startdate: 09/02/2026 Architecture: LINUX Score: 100 98 94.183.232.186, 10212, 35036 RASANAIR Iran (ISLAMIC Republic Of) 2->98 100 Found malware configuration 2->100 102 Multi AV Scanner detection for submitted file 2->102 104 Yara detected Gafgyt 2->104 11 arm5.nigge.elf 2->11         started        signatures3 process4 signatures5 108 Sample tries to kill multiple processes (SIGKILL) 11->108 110 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->110 14 arm5.nigge.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 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 arm5.nigge.elf sh 14->18         started        20 arm5.nigge.elf sh 14->20         started        22 arm5.nigge.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        106 Sample tries to kill multiple processes (SIGKILL) 24->106 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 112 Writes identical ELF files to multiple locations 27->112 114 Drops invisible ELF files 27->114 116 Drops files in suspicious directories 27->116 82 /var/spool/cron/crontabs/tmp.Csr8Ot, ASCII 31->82 dropped 118 Sample tries to persist itself using cron 31->118 120 Executes the "crontab" command typically for achieving persistence 31->120 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 122 Sample deletes itself 43->122 124 Terminates several processes with shell command 'killall' 43->124 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 126 Executes the "crontab" command typically for achieving persistence 45->126 62 S99backup0 .update 48->62         started        70 31 other processes 48->70 64 S99backup1 .update 50->64         started        72 27 other processes 50->72 66 S99backup2 .update 52->66         started        74 23 other processes 52->74 68 S99network .update 54->68         started        76 21 other processes 54->76 78 2 other processes 56->78 process16
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9aa1a5e28a1fdd70b964ab5b96b350a5f999cb4c1f64df2fe180bc652c950d30
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9aa1a5e28a1fdd70b964ab5b96b350a5f999cb4c1f64df2fe180bc652c950d30/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/9aa1a5e28a1fdd70b964ab5b96b350a5f999cb4c1f64df2fe180bc652c950d30
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-09 20:28:26 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=tkq2lyukd7oxbolevnnznm2qux4zts2md5sn6l7bqc6gklevbuya._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260209-y852lsbw9b/
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_d94e1020
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 9aa1a5e28a1fdd70b964ab5b96b350a5f999cb4c1f64df2fe180bc652c950d30

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3775201/
  
Delivery method
Distributed via web download

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