MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9b11c952f91f0cdd4d4169877d62d1b1b0a1c81cbc1a635e16c7f1be53900a1. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9b11c952f91f0cdd4d4169877d62d1b1b0a1c81cbc1a635e16c7f1be53900a1
SHA3-384 hash: c1e434f8ea07f137cc8bfec851e145a92f61622de9d3a5e645d3974c6794d088a8257c51dfd0b5a72191612b2b3299fc
SHA1 hash: 76a56fb1b0b8cad9b921dbd3e0699ea9e3d8fd20
MD5 hash: 39b4fc14d2831f7f08adbaf8b8a43744
humanhash: batman-bluebird-beryllium-mountain
File name:mips.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:108'092 bytes
First seen:2025-11-19 21:16:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ne1lUcWDDX1YG9/igYr4sT+A6KIM8eXMWboXwePxlAxXRDem7P/9:eUxxr/ir4sT+fMXMWcMxXJ9
TLSH T1ABB3D84D7E629FADF3AC833447B38F31A758238626E1D685E26DD5052F7024D282FB64
telfhash t16421755c497823e497721c592badef77d5a130df07276e3b8e11a9bdaa6dc825d00c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
DE DE
Vendor Threat Intelligence
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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Kills processes
Sends data to a server
Launching a process
Receives data from a server
Creating a file
Runs as daemon
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Opens a port
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin
Link:
https://www.filescan.io/uploads/691e33e15bbff1003f0ad12f/reports/450a5ed0-6b91-48d4-b9f7-d6a3af211126/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
25
Number of processes launched:
16
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a9b11c952f91f0cdd4d4169877d62d1b1b0a1c81cbc1a635e16c7f1be53900a1
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 94.154.35.153:6969
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-19T19:25:00Z UTC
Last seen:
2025-11-19T20:42:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a9b11c952f91f0cdd4d4169877d62d1b1b0a1c81cbc1a635e16c7f1be53900a1/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5e0d431b-a64c-46c5-892b-94417b4d478e
Behavior Graph:
Download SVG
%3 guuid=6a61268d-1900-0000-aea4-087ac40a0000 pid=2756 /usr/bin/sudo guuid=03422f8f-1900-0000-aea4-087ac90a0000 pid=2761 /tmp/sample.bin guuid=6a61268d-1900-0000-aea4-087ac40a0000 pid=2756->guuid=03422f8f-1900-0000-aea4-087ac90a0000 pid=2761 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6e8bb0cb-c540-4f4e-9e4d-7cb38bb482f5
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1817248
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1817248 Sample: mips.uhavenobotsxd.elf Startdate: 19/11/2025 Architecture: LINUX Score: 80 62 23.139.82.72, 8211 TELX-LEGACYUS Reserved 2->62 64 94.154.35.153, 40680, 6969 SELECTELRU Ukraine 2->64 66 5 other IPs or domains 2->66 9 mips.uhavenobotsxd.elf 2->9         started        12 dash rm 2->12         started        14 dash cat 2->14         started        16 8 other processes 2->16 process3 signatures4 84 Sample reads /proc/mounts (often used for finding a writable filesystem) 9->84 18 mips.uhavenobotsxd.elf 9->18         started        process5 file6 50 /var/spool/cron/root, ASCII 18->50 dropped 52 /var/spool/cron/crontabs/root, ASCII 18->52 dropped 54 /root/.bashrc, ASCII 18->54 dropped 56 6 other malicious files 18->56 dropped 76 Sample tries to set files in /etc globally writable 18->76 78 Sample tries to persist itself using /etc/profile 18->78 80 Drops files in suspicious directories 18->80 82 3 other signatures 18->82 22 mips.uhavenobotsxd.elf sh 18->22         started        24 mips.uhavenobotsxd.elf sh 18->24         started        26 mips.uhavenobotsxd.elf 18->26         started        29 44 other processes 18->29 signatures7 process8 signatures9 31 sh crontab 22->31         started        35 sh 22->35         started        37 sh cp 24->37         started        86 Sample tries to kill multiple processes (SIGKILL) 26->86 39 mips.uhavenobotsxd.elf sh 29->39         started        41 mips.uhavenobotsxd.elf sh 29->41         started        43 mips.uhavenobotsxd.elf sh 29->43         started        45 44 other processes 29->45 process10 file11 58 /var/spool/cron/crontabs/tmp.7HSmuB, ASCII 31->58 dropped 68 Sample tries to persist itself using cron 31->68 70 Executes the "crontab" command typically for achieving persistence 31->70 47 sh crontab 35->47         started        60 /usr/bin/.sh, ELF 37->60 dropped 72 Drops invisible ELF files 37->72 74 Drops files in suspicious directories 37->74 signatures12 process13 signatures14 88 Executes the "crontab" command typically for achieving persistence 47->88
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a9b11c952f91f0cdd4d4169877d62d1b1b0a1c81cbc1a635e16c7f1be53900a1
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a9b11c952f91f0cdd4d4169877d62d1b1b0a1c81cbc1a635e16c7f1be53900a1/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-19 21:17:22 UTC
File Type:
ELF32 Big (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vgyrzfjpshym3vguc2mhpvrndmnquhebzpa2mnpbnr7rxzjzacqq._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/251119-z46m1sew2d/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Write file to user bin folder
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/66c6f53b-f86d-4ac4-8cb8-ecbe2a2ceda8
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/a9b11c952f91f0cdd4d4169877d62d1b1b0a1c81cbc1a635e16c7f1be53900a1

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 a9b11c952f91f0cdd4d4169877d62d1b1b0a1c81cbc1a635e16c7f1be53900a1

(this sample)

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

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