MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b2141cf44d97d5df9508e653af1384d6b4b59617c9c082bc48c6c857cf6d932. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b2141cf44d97d5df9508e653af1384d6b4b59617c9c082bc48c6c857cf6d932
SHA3-384 hash: 4dc2a87b553b85869c9675b2abadb4eaf2cc7b889707e614c363182874c38cff550cb4dce875b2e0d5854e67fa22abd0
SHA1 hash: d5cc2b64ccdd85ea1c0926208c6146f8cd573ef0
MD5 hash: db495ff33ae64437a7dd5f4f0cf87979
humanhash: happy-yankee-tennessee-saturn
File name:Orbt.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:191'328 bytes
First seen:2025-10-24 17:52:14 UTC
Last seen:2025-10-25 02:24:44 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:Vbk4kfn3XCATjIKceCtdYJ5dBJSPky1GmNCyDCVLWmKhBxwUHVKjbi2LmzfGy/k:2/3RJcBvcy1pNCyULOrwUMLmz3/k
TLSH T1C7144BC7F800DDBDF80BE77748134919B130B7A254924B377267B96BAD3A0950927ECA
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
104
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
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.Gafgyt-7782058-0
Create hunting rule

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

Unix.Trojan.Mirai-9940650-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10012509-0
Create hunting rule

Unix.Trojan.Mirai-10017111-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote
Link:
https://www.filescan.io/uploads/68fbbce5c85c5c5697352b38/reports/2b429c6c-63a3-4c8b-8c90-2ff7eb1ee108/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-24T15:03:00Z UTC
Last seen:
2025-10-24T16:36:00Z 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/4b2141cf44d97d5df9508e653af1384d6b4b59617c9c082bc48c6c857cf6d932/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e29b9a2a-8dbf-4f54-b515-4c17374f3ab3
Behavior Graph:
Download SVG
%3 guuid=8a4a24b3-1600-0000-3c07-54bf000d0000 pid=3328 /usr/bin/sudo guuid=5514fbb4-1600-0000-3c07-54bf050d0000 pid=3333 /tmp/sample.bin guuid=8a4a24b3-1600-0000-3c07-54bf000d0000 pid=3328->guuid=5514fbb4-1600-0000-3c07-54bf050d0000 pid=3333 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5e793ac4-b36e-4627-b290-8448d66585a4
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1801452
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: 1801452 Sample: Orbt.m68k.elf Startdate: 24/10/2025 Architecture: LINUX Score: 68 26 mirailoversddos.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 6 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Gafgyt 2->36 8 Orbt.m68k.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 38 Uses dynamic DNS services 26->38 process4 process5 16 Orbt.m68k.elf 8->16         started        18 Orbt.m68k.elf 8->18         started        20 Orbt.m68k.elf 8->20         started        process6 22 Orbt.m68k.elf 16->22         started        24 Orbt.m68k.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4b2141cf44d97d5df9508e653af1384d6b4b59617c9c082bc48c6c857cf6d932
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b2141cf44d97d5df9508e653af1384d6b4b59617c9c082bc48c6c857cf6d932/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4b2141cf44d97d5df9508e653af1384d6b4b59617c9c082bc48c6c857cf6d932
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-24 17:52:59 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jmqudt2e3f6v36kqrzstv4jyjvvuwwlbpsoaqk6errwik7hw3eza._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251024-wf1kbazqcx/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ccf079c0-9eaf-4aa3-8b20-099e4253bbc3
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/4b2141cf44d97d5df9508e653af1384d6b4b59617c9c082bc48c6c857cf6d932

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 4b2141cf44d97d5df9508e653af1384d6b4b59617c9c082bc48c6c857cf6d932

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3684958/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3682162/

Comments