MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc09bc9d1827e9a0e40f383f9f977f5e0bd6d0b8d657036da3eae34786452d2f. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc09bc9d1827e9a0e40f383f9f977f5e0bd6d0b8d657036da3eae34786452d2f
SHA3-384 hash: 9c73caf676b7234e6a758f3f84e976d393fc7680c049ed43fe23c61ae0ac647cbb86bee357f2d7b3bac48fd7f5ded0d1
SHA1 hash: 97689b1c95b17c8c6f06926c897e3bc1864f31b9
MD5 hash: c6138b4e4c61c8ab3a05189da204981d
humanhash: twelve-sierra-harry-connecticut
File name:mipsel.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:124'736 bytes
First seen:2025-11-22 09:37:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:rN2JSIV7WrNRhSiLXl1OiVaIzk1Qr5j0UscjG:4XQrNXSiLXl1OiVaGk+r5je3
TLSH T18BC3074ABF610EFBE86FCD3746E9070532CD665A12B83B767A74D52CF10A24B06D3864
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 :
53
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-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:

Behaviour
Sets a written file as executable
Creating a file
Changes the time when the file was created, accessed, or modified
Connection attempt
Runs as daemon
Kills processes
Receives data from a server
Opens a port
Changes access rights for a written file
Launching a process
Sends data to a server
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
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:
  2.5/10
Confidence:
100%
Tags:
anti-vm bash lolbin mirai
Link:
https://www.filescan.io/uploads/6921848e6c89728b9825938a/reports/d336dee9-9e29-4d68-b49e-a3ffaed5b85c/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a179dd81-310b-4f85-8000-d7da770f29ce
Behavior Graph:
Download SVG
%3 guuid=65c26d7b-1900-0000-dabd-c06166140000 pid=5222 /usr/bin/sudo guuid=1f31fa7d-1900-0000-dabd-c06167140000 pid=5223 /tmp/sample.bin guuid=65c26d7b-1900-0000-dabd-c06166140000 pid=5222->guuid=1f31fa7d-1900-0000-dabd-c06167140000 pid=5223 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e2880d6a-9359-4221-adb3-e5af4fbbd2f3
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1819032
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
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
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: 1819032 Sample: mipsel.uhavenobotsxd.elf Startdate: 22/11/2025 Architecture: LINUX Score: 84 62 94.154.35.153, 59732, 6969 SELECTELRU Ukraine 2->62 64 109.202.202.202, 80 INIT7CH Switzerland 2->64 66 3 other IPs or domains 2->66 76 Multi AV Scanner detection for submitted file 2->76 10 mipsel.uhavenobotsxd.elf 2->10         started        13 unknown .sh 2->13         started        15 unknown .sh 2->15         started        17 2 other processes 2->17 signatures3 process4 signatures5 86 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->86 19 mipsel.uhavenobotsxd.elf 10->19         started        process6 file7 50 /var/spool/cron/root, ASCII 19->50 dropped 52 /var/spool/cron/crontabs/root, ASCII 19->52 dropped 54 /root/.bashrc, ASCII 19->54 dropped 56 6 other malicious files 19->56 dropped 78 Sample tries to set files in /etc globally writable 19->78 80 Sample tries to persist itself using /etc/profile 19->80 82 Drops files in suspicious directories 19->82 84 3 other signatures 19->84 23 mipsel.uhavenobotsxd.elf sh 19->23         started        25 mipsel.uhavenobotsxd.elf sh 19->25         started        27 mipsel.uhavenobotsxd.elf 19->27         started        29 mipsel.uhavenobotsxd.elf 19->29         started        signatures8 process9 process10 31 sh crontab 23->31         started        35 sh 23->35         started        37 sh cp 25->37         started        39 mipsel.uhavenobotsxd.elf sh 27->39         started        41 mipsel.uhavenobotsxd.elf sh 27->41         started        43 mipsel.uhavenobotsxd.elf sh 27->43         started        45 mipsel.uhavenobotsxd.elf sh 27->45         started        file11 58 /var/spool/cron/crontabs/tmp.612jBY, 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/bc09bc9d1827e9a0e40f383f9f977f5e0bd6d0b8d657036da3eae34786452d2f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc09bc9d1827e9a0e40f383f9f977f5e0bd6d0b8d657036da3eae34786452d2f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/bc09bc9d1827e9a0e40f383f9f977f5e0bd6d0b8d657036da3eae34786452d2f
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-22 09:38:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xqe3zhiye7u2bzapha7z7f37lyf5nufy2zlqg3nd5lrupbsffuxq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251122-ll8g1avke1/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Modifies Bash startup script
Creates a large amount of network flows
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Write file to user bin folder
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/e4c105d7-102b-4767-982f-e6275d918e1b
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/bc09bc9d1827e9a0e40f383f9f977f5e0bd6d0b8d657036da3eae34786452d2f

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 bc09bc9d1827e9a0e40f383f9f977f5e0bd6d0b8d657036da3eae34786452d2f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686381/
  
Delivery method
Distributed via web download

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