MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc957b730c8ec939c489a759893098ae91c93a639246d52af5a43e54f9d57b9c. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc957b730c8ec939c489a759893098ae91c93a639246d52af5a43e54f9d57b9c
SHA3-384 hash: 3e806b429a5994fe2c0ed1cca28c8371535ff77c255efd34ec6e40b251772cde679ac34b14fee31bd5275e901f54c1de
SHA1 hash: 9758ac619c2067885f8c1191f3f81aae58a104fc
MD5 hash: a7b7a6ccfdb53cfdca2cc92741c675e7
humanhash: georgia-eighteen-colorado-virginia
File name:Orbt.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:258'956 bytes
First seen:2025-10-23 00:15:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:/pXwdFr/wsAdb7Dm6SOdodfkXuEIVpX8BChgku8LNiD14Z+sDuGV:/O7NAdbW6SyUsXuE2yCh7LsC+sSG
TLSH T1AC44E80AAF610FFBE8ABDD3706E90B0124CC641722A93B797674D518F54B64B1AD3C74
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 550808f4e33bc081b0a3a3081ff5d31af0743c8de5ba3b7af93def4d25806c8c
File size (compressed) :81'316 bytes
File size (de-compressed) :258'956 bytes
Format:linux/mipsel
Packed file: 550808f4e33bc081b0a3a3081ff5d31af0743c8de5ba3b7af93def4d25806c8c

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote threat
Link:
https://www.filescan.io/uploads/68f973cc3a79800405f1ffa2/reports/c5dbf9fc-d5f4-4604-844a-6dfb70427566/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-22T21:22:00Z UTC
Last seen:
2025-10-23T12:39:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/bc957b730c8ec939c489a759893098ae91c93a639246d52af5a43e54f9d57b9c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9792557e-7c66-4841-9d5b-e66ea938e698
Behavior Graph:
Download SVG
%3 guuid=f4deaaec-1900-0000-18f3-c614c70c0000 pid=3271 /usr/bin/sudo guuid=704b76ef-1900-0000-18f3-c614c80c0000 pid=3272 /tmp/sample.bin guuid=f4deaaec-1900-0000-18f3-c614c70c0000 pid=3271->guuid=704b76ef-1900-0000-18f3-c614c80c0000 pid=3272 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/dd0502fb-7237-4759-8afd-c415d3d41922
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1800254
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1800254 Sample: Orbt.mpsl.elf Startdate: 23/10/2025 Architecture: LINUX Score: 68 22 mirailoversddos.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 4 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 8 Orbt.mpsl.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 Orbt.mpsl.elf 8->12         started        14 Orbt.mpsl.elf 8->14         started        16 Orbt.mpsl.elf 8->16         started        process6 18 Orbt.mpsl.elf 12->18         started        20 Orbt.mpsl.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bc957b730c8ec939c489a759893098ae91c93a639246d52af5a43e54f9d57b9c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc957b730c8ec939c489a759893098ae91c93a639246d52af5a43e54f9d57b9c/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/bc957b730c8ec939c489a759893098ae91c93a639246d52af5a43e54f9d57b9c
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-23 00:16:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xskxw4ymr3ettreju5mysmeyv2i4sotdsjdnkkxvuq7fj6ovpooa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251023-akj78scz6c/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c1aef96f-3196-45be-9525-5a4923f0e6c0
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/bc957b730c8ec939c489a759893098ae91c93a639246d52af5a43e54f9d57b9c

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 550808f4e33bc081b0a3a3081ff5d31af0743c8de5ba3b7af93def4d25806c8c

Mirai

elf bc957b730c8ec939c489a759893098ae91c93a639246d52af5a43e54f9d57b9c

(this sample)

  
Dropped by
SHA256 550808f4e33bc081b0a3a3081ff5d31af0743c8de5ba3b7af93def4d25806c8c
  
URLhaus
https://urlhaus.abuse.ch/url/3682149/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 1e01057d95f601b18cd18b3e98db735d

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