MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af5c75b11bdb46a35a412d9b5aa10c81cdbe758842bd6e272bf268bacd7c2343. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af5c75b11bdb46a35a412d9b5aa10c81cdbe758842bd6e272bf268bacd7c2343
SHA3-384 hash: a7e01e50ad97dba9f5a84d443be3a74597718b1bb9de8ad71eb065cbb84ac81cd444cefd6b1bd2740c524a8491117c8a
SHA1 hash: 14131e98bb910d33c03e8b559855a4ef2c2fb207
MD5 hash: 8e55e9f2de439571b159b28b63dba79f
humanhash: batman-tennessee-east-ten
File name:mips.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:131'228 bytes
First seen:2025-12-22 02:02:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:epgcoDRUw/WgXzdeUUrQyF0ABXpYvOrH+ZMVIQBeb7Q5enumCULD4em64GN:3DRUoWgheUUtF0ABX26+yyQBS7QmLX9
TLSH T1EED3E75E7E314F6EF2A8863447B38F35E75823C623E1D681E66CE5141E6038D581FBA8
telfhash t1c021c35c497422e497364c592bdeff77e5a030ef5b262d278f01a9aeaabd9425d00c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
60
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-10010119-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash lolbin mirai
Link:
https://www.filescan.io/uploads/6948a6a884afa5547b5ba2fe/reports/12808cc3-f1a1-4b8d-ad54-4561290075e2/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-21T23:11:00Z UTC
Last seen:
2025-12-22T00:01:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Link:
https://opentip.kaspersky.com/af5c75b11bdb46a35a412d9b5aa10c81cdbe758842bd6e272bf268bacd7c2343/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/09ed2b5d-27d2-43a1-86ef-2340536e5ba1
Behavior Graph:
Download SVG
%3 guuid=7f67231f-1700-0000-2aa3-02a53d0d0000 pid=3389 /usr/bin/sudo guuid=d679a820-1700-0000-2aa3-02a5440d0000 pid=3396 /tmp/sample.bin guuid=7f67231f-1700-0000-2aa3-02a53d0d0000 pid=3389->guuid=d679a820-1700-0000-2aa3-02a5440d0000 pid=3396 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2e933ec0-c564-472c-ad1e-3a6891b7eec5
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1837359
Signature
Connects to many ports of the same IP (likely port scanning)
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 scans a subnet
Sample tries to kill a massive number of system processes
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'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837359 Sample: mips.uhavenobotsxd.elf Startdate: 22/12/2025 Architecture: LINUX Score: 100 87 212.192.28.130, 10970, 1098, 13367 ASBAXETNRU Russian Federation 2->87 89 212.192.28.131, 10975, 12968, 13693 ASBAXETNRU Russian Federation 2->89 91 98 other IPs or domains 2->91 105 Multi AV Scanner detection for submitted file 2->105 107 Connects to many ports of the same IP (likely port scanning) 2->107 109 Sample scans a subnet 2->109 11 mips.uhavenobotsxd.elf 2->11         started        14 dash rm 2->14         started        16 dash rm 2->16         started        signatures3 process4 signatures5 123 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->123 18 mips.uhavenobotsxd.elf 11->18         started        process6 file7 79 /var/spool/cron/root, ASCII 18->79 dropped 81 /var/spool/cron/crontabs/root, ASCII 18->81 dropped 83 /root/.bashrc, ASCII 18->83 dropped 85 8 other files (7 malicious) 18->85 dropped 111 Sample tries to set files in /etc globally writable 18->111 113 Sample tries to persist itself using /etc/profile 18->113 115 Drops files in suspicious directories 18->115 117 4 other signatures 18->117 22 mips.uhavenobotsxd.elf sh 18->22         started        24 mips.uhavenobotsxd.elf sh 18->24         started        26 mips.uhavenobotsxd.elf sh 18->26         started        28 57 other processes 18->28 signatures8 process9 signatures10 31 sh S99network 22->31         started        33 sh crontab 24->33         started        37 sh 24->37         started        39 sh cp 26->39         started        125 Sample tries to kill a massive number of system processes 28->125 127 Sample tries to kill multiple processes (SIGKILL) 28->127 41 mips.uhavenobotsxd.elf sh 28->41         started        43 mips.uhavenobotsxd.elf sh 28->43         started        45 sh rm 28->45         started        47 55 other processes 28->47 process11 file12 49 S99network 31->49         started        75 /var/spool/cron/crontabs/tmp.JFpbqd, ASCII 33->75 dropped 93 Sample tries to persist itself using cron 33->93 95 Executes the "crontab" command typically for achieving persistence 33->95 51 sh crontab 37->51         started        77 /usr/bin/.update, ELF 39->77 dropped 97 Drops invisible ELF files 39->97 99 Drops files in suspicious directories 39->99 54 sh .update 41->54         started        56 sh .update 43->56         started        101 Sample deletes itself 45->101 103 Terminates several processes with shell command 'killall' 47->103 58 .monitor 47->58         started        60 sh .update 47->60         started        signatures13 process14 signatures15 62 S99network .update 49->62         started        65 S99network .update 49->65         started        67 S99network .update 49->67         started        73 75 other processes 49->73 119 Executes the "crontab" command typically for achieving persistence 51->119 121 Sample reads /proc/mounts (often used for finding a writable filesystem) 54->121 69 .monitor .update 58->69         started        71 .monitor sleep 58->71         started        process16 signatures17 129 Sample reads /proc/mounts (often used for finding a writable filesystem) 62->129
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/af5c75b11bdb46a35a412d9b5aa10c81cdbe758842bd6e272bf268bacd7c2343
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/af5c75b11bdb46a35a412d9b5aa10c81cdbe758842bd6e272bf268bacd7c2343/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/af5c75b11bdb46a35a412d9b5aa10c81cdbe758842bd6e272bf268bacd7c2343
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-22 02:10:13 UTC
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v5ohlmi33ndkgwsbfwnvviimqhg345miik6w4jzl6julvtl4enbq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251222-cgcebswkcj/
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
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/2b486901-31d2-4549-8492-4feb7ef0dbab
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/af5c75b11bdb46a35a412d9b5aa10c81cdbe758842bd6e272bf268bacd7c2343

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
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 af5c75b11bdb46a35a412d9b5aa10c81cdbe758842bd6e272bf268bacd7c2343

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686386/
  
Delivery method
Distributed via web download

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