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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c81dcc9c90e35181f966fca2e0d213b4d912cba06e9f9fea3c07820ee57ebfd3. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c81dcc9c90e35181f966fca2e0d213b4d912cba06e9f9fea3c07820ee57ebfd3
SHA3-384 hash: 36b7212938da221b839836c67cb45ffd37f74cdd4a7d6c9904966c5b51f8e63e5b4993c0a39b82489f57bc997e6deb72
SHA1 hash: 9a719e97a34392094f5afc418b776cb901c8c193
MD5 hash: 954587e88a061ef6fa88982a825004ae
humanhash: chicken-glucose-ceiling-equal
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:191'245 bytes
First seen:2026-09-14 08:17:11 UTC
Last seen:2026-09-15 06:36:09 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:APmURs0lIksf64Z1eUDGG2HPH+5XVf59jI8MoGWZvXnGI+GHJeNsBK5dwD:Ajs0lweoQkpFPZvXnGI+GHJeNsBK5dwD
TLSH T11B143A0775D189FBC4D68BB42BDB95618933F4391B336206B3A8BCA91F0DED86E1D214
telfhash t157716458953c05d9de630d1568ad6be34987f12922e5bb19ff16cdc4085e82cf268d0f
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 :
4
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-33.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
base64 obfuscated
Link:
https://www.filescan.io/uploads/6aa7ad8f0d3c1bae3f513d26/reports/b08f2be3-46b4-45d4-b438-b87c074fff65/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c81dcc9c90e35181f966fca2e0d213b4d912cba06e9f9fea3c07820ee57ebfd3
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-08-31T18:30:00Z UTC
Last seen:
2026-08-31T19:04:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c81dcc9c90e35181f966fca2e0d213b4d912cba06e9f9fea3c07820ee57ebfd3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/505e1dd7-7960-4b86-b185-6ff89228bc83
Behavior Graph:
Download SVG
%3 guuid=6289df0d-1c00-0000-2659-218ea2090000 pid=2466 /usr/bin/sudo guuid=2c361c11-1c00-0000-2659-218eaa090000 pid=2474 /tmp/sample.bin guuid=6289df0d-1c00-0000-2659-218ea2090000 pid=2466->guuid=2c361c11-1c00-0000-2659-218eaa090000 pid=2474 execve guuid=ab604a11-1c00-0000-2659-218eab090000 pid=2475 /tmp/sample.bin zombie guuid=2c361c11-1c00-0000-2659-218eaa090000 pid=2474->guuid=ab604a11-1c00-0000-2659-218eab090000 pid=2475 clone guuid=40f66f11-1c00-0000-2659-218ead090000 pid=2477 /tmp/sample.bin guuid=ab604a11-1c00-0000-2659-218eab090000 pid=2475->guuid=40f66f11-1c00-0000-2659-218ead090000 pid=2477 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fda245d9-2931-4504-9388-519d8b196a20
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c81dcc9c90e35181f966fca2e0d213b4d912cba06e9f9fea3c07820ee57ebfd3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c81dcc9c90e35181f966fca2e0d213b4d912cba06e9f9fea3c07820ee57ebfd3/
Threat name:
Linux.Trojan.Ravartar
Create hunting rule
Status:
Malicious
First seen:
2026-09-01 05:51:38 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zao4zheq4niyd6lg7srobuqtwtmrfs5an2pz72r4a6ba5zl6x7jq._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
antivm linux
Link:
https://tria.ge/reports/260914-j6vqjawgrb/
Behaviour
Checks CPU configuration
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c81dcc9c90e35181f966fca2e0d213b4d912cba06e9f9fea3c07820ee57ebfd3

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 c81dcc9c90e35181f966fca2e0d213b4d912cba06e9f9fea3c07820ee57ebfd3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3916190/
  
Delivery method
Distributed via web download

Comments