MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb8050dc9cf8eb9e7f94b326c64c7155d35779b82f35b6996f8d835052976fce. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb8050dc9cf8eb9e7f94b326c64c7155d35779b82f35b6996f8d835052976fce
SHA3-384 hash: ef5f9ca9058616cdf14c67dadbfabedee0cce942c7417fa167ada7f4056e5636a7570abf50229eb28f495ae2aab25de7
SHA1 hash: e74e457f8599762c09d848b16a0e8e11e48ff17d
MD5 hash: 50c106d950f171f32612f452c9701ec5
humanhash: undress-spaghetti-kentucky-golf
File name:Orbt.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:72'472 bytes
First seen:2025-10-21 05:09:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:V5D87BMpulz2EUqi7qCRfB7uEckTMqbittvQW/s+CbTpB+qzk//1ei+2lR:V6Gw9SnfcNkIkit1QW0vpBJ4HR
TLSH T13E63026F0B8EA238D0FA75BB152666E11AB43C3A51DF4B1F0CD0B3682DABB546150653
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 :
56
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/68f715d93a79800405ed8a9e/reports/eb8b2126-43b5-4f03-a0da-18ad6bc3cb1d/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-10-21T02:17:00Z UTC
Last seen:
2025-10-21T05:20:00Z 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/fb8050dc9cf8eb9e7f94b326c64c7155d35779b82f35b6996f8d835052976fce/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2afdd19e-0328-4c6d-bc47-080c910f4fbd
Behavior Graph:
Download SVG
%3 guuid=8da822dd-1800-0000-f993-456c800d0000 pid=3456 /usr/bin/sudo guuid=959bf1de-1800-0000-f993-456c850d0000 pid=3461 /tmp/sample.bin mprotect-exec net guuid=8da822dd-1800-0000-f993-456c800d0000 pid=3456->guuid=959bf1de-1800-0000-f993-456c850d0000 pid=3461 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=959bf1de-1800-0000-f993-456c850d0000 pid=3461->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=45dff3df-1800-0000-f993-456c890d0000 pid=3465 /tmp/sample.bin guuid=959bf1de-1800-0000-f993-456c850d0000 pid=3461->guuid=45dff3df-1800-0000-f993-456c890d0000 pid=3465 clone guuid=19b6600a-1a00-0000-f993-456cd80f0000 pid=4056 /tmp/sample.bin guuid=959bf1de-1800-0000-f993-456c850d0000 pid=3461->guuid=19b6600a-1a00-0000-f993-456cd80f0000 pid=4056 clone guuid=dbbf650a-1a00-0000-f993-456cd90f0000 pid=4057 /tmp/sample.bin net send-data zombie guuid=959bf1de-1800-0000-f993-456c850d0000 pid=3461->guuid=dbbf650a-1a00-0000-f993-456cd90f0000 pid=4057 clone guuid=1645fbdf-1800-0000-f993-456c8a0d0000 pid=3466 /tmp/sample.bin guuid=45dff3df-1800-0000-f993-456c890d0000 pid=3465->guuid=1645fbdf-1800-0000-f993-456c8a0d0000 pid=3466 clone guuid=7e7202e0-1800-0000-f993-456c8b0d0000 pid=3467 /tmp/sample.bin net send-data zombie guuid=45dff3df-1800-0000-f993-456c890d0000 pid=3465->guuid=7e7202e0-1800-0000-f993-456c8b0d0000 pid=3467 clone guuid=7e7202e0-1800-0000-f993-456c8b0d0000 pid=3467->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1350B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=7e7202e0-1800-0000-f993-456c8b0d0000 pid=3467->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=dbbf650a-1a00-0000-f993-456cd90f0000 pid=4057->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1380B guuid=dbbf650a-1a00-0000-f993-456cd90f0000 pid=4057->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dd1c0328-8ac0-4142-8dd4-aa018db92079
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1798837
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798837 Sample: Orbt.x86_64.elf Startdate: 21/10/2025 Architecture: LINUX Score: 76 22 mirailoversddos.duckdns.org. [malformed] 2->22 24 mirailoversddos.duckdns.org 2->24 26 3 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 34 Sample is packed with UPX 2->34 8 Orbt.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 36 Sends malformed DNS queries 22->36 38 Uses dynamic DNS services 24->38 process4 process5 12 Orbt.x86_64.elf 8->12         started        14 Orbt.x86_64.elf 8->14         started        16 Orbt.x86_64.elf 8->16         started        process6 18 Orbt.x86_64.elf 12->18         started        20 Orbt.x86_64.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fb8050dc9cf8eb9e7f94b326c64c7155d35779b82f35b6996f8d835052976fce
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb8050dc9cf8eb9e7f94b326c64c7155d35779b82f35b6996f8d835052976fce/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/fb8050dc9cf8eb9e7f94b326c64c7155d35779b82f35b6996f8d835052976fce
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-21 05:10:50 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7oafbxe47dvz474uwmtmmtdrkxjvo6nyf423nglprwbvauuxn7ha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251021-ft3c3agn3v/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
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/fb8050dc9cf8eb9e7f94b326c64c7155d35779b82f35b6996f8d835052976fce

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf fb8050dc9cf8eb9e7f94b326c64c7155d35779b82f35b6996f8d835052976fce

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3682117/
  
Delivery method
Distributed via web download

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