MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81dd27b4bd4bb5c0b9fc548c2787efb70045cd94bf14ef41db23dee92929b4d0. 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 9 File information Comments
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SHA256 hash: 81dd27b4bd4bb5c0b9fc548c2787efb70045cd94bf14ef41db23dee92929b4d0
SHA3-384 hash: b283b53780a4a786a0b5622dc08dbaba0e083073c275a72b43aa0c5ea02e7562c99e1720c86197c75df764525df8895c
SHA1 hash: d146377427fed4d6b57ca8f6bb4b9eeaab4d1f9c
MD5 hash: bcc6a505ec6642fe56a9d81637d9d454
humanhash: four-ink-bluebird-papa
File name:morte.arc
Download: download sample
Signature Mirai
Create hunting rule
File size:124'352 bytes
First seen:2025-11-08 13:58:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:DyyBsojG1jUDD9mFS2y2TtsaU+yK7FbHAqDcZ13fsxZJmcg/9/LWi:DyyB3SjUnX2TtsdNW1HHQ13tcglq
TLSH T1E9C3BE97F34B20A1C8614BF407C78B9E2E6322119E6FD8E76C0F767B197A0DB5916381
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 :
127
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-7100807-0
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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.Dropper.Mirai-7355719-0
Create hunting rule

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

Unix.Dropper.Mirai-9977145-0
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Unix.Dropper.Mirai-10007027-0
Create hunting rule

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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/690f4cad8938e2fe22165942/reports/9bcb05a2-0d30-442c-a0c4-5231f54d78aa/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-08T11:40:00Z UTC
Last seen:
2025-11-09T01:27:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/81dd27b4bd4bb5c0b9fc548c2787efb70045cd94bf14ef41db23dee92929b4d0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/523ff9f8-f8a5-4a1d-9e3e-f1a972cb3bc8
Behavior Graph:
Download SVG
%3 guuid=b583677a-1900-0000-ed32-a8ac94130000 pid=5012 /usr/bin/sudo guuid=867cc17c-1900-0000-ed32-a8ac9e130000 pid=5022 /tmp/sample.bin guuid=b583677a-1900-0000-ed32-a8ac94130000 pid=5012->guuid=867cc17c-1900-0000-ed32-a8ac9e130000 pid=5022 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c5b2bf80-e95d-4c01-a7f3-cd25fc0761ba
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1810586
Signature
Antivirus / Scanner detection for submitted sample
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81dd27b4bd4bb5c0b9fc548c2787efb70045cd94bf14ef41db23dee92929b4d0
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81dd27b4bd4bb5c0b9fc548c2787efb70045cd94bf14ef41db23dee92929b4d0/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-08 13:59:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhospnf5jo24bop4ksgcpb7pw4aeltmux4ko6qo3epposkjjwtia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251108-rafwhazmgj/
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
backdoor botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
MAL_ELF_Xlogin_Nov24_1 MAL_ELF_LNX_Mirai_Oct10_1
Link:
https://app.threat.zone/submission/c303c706-a698-4d1c-be25-22661bc8c772
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_Xlogin_Nov24_1
Create hunting rule
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
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 81dd27b4bd4bb5c0b9fc548c2787efb70045cd94bf14ef41db23dee92929b4d0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3697607/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3697761/

Comments