MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66c738da31a7aca7befdc0934d8f51e42c37cfee92ee19cb425c5103dcea0bb3. 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: 11


Intelligence 11 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66c738da31a7aca7befdc0934d8f51e42c37cfee92ee19cb425c5103dcea0bb3
SHA3-384 hash: dc5405cdc950d747518eff1c2fc14c8c79ba6937771e9f3a9bcc0fd7357954452af2a80d9e193e3911ad01a4c6b63d2f
SHA1 hash: 0480a97b8c2f316a7dba92e0ec7d8e585e75b9c6
MD5 hash: 099b5a55b0eea9cd935824505556e383
humanhash: thirteen-island-mountain-seven
File name:morte.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:170'536 bytes
First seen:2025-11-23 09:01:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:/FNS8Wb+LYrE07ExAKHGNzfdSgkv1PsEncRiBn:/FN9wE5GNstsKSiBn
TLSH T1A1F38D44E683E1F5EC010579107B5B328A72E63A613EDD85E3FDDB35EC12602C527AAD
telfhash t1196115f7fe6a19dd6bd08813c74e5721ed1ee17b386136fd06f2169032b2a016069c39
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 7a2aa7939edd72a42eeedb556987deb4a38246cdced8c83886f9cb893394686e
File size (compressed) :62'788 bytes
File size (de-compressed) :170'536 bytes
Format:linux/i386
Packed file: 7a2aa7939edd72a42eeedb556987deb4a38246cdced8c83886f9cb893394686e

Intelligence

File Origin
# of uploads :
1
# of downloads :
36
Origin country :
NL NL
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.9999-14.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
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-7135996-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

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

Unix.Dropper.Mirai-7136017-0
Create hunting rule

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

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

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

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

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

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

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

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

Unix.Packed.Botnet-6566031-0
Create hunting rule

Unix.Dropper.Botnet-6566040-0
Create hunting rule

Unix.Trojan.Gafgyt-6748839-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Sets a written file as executable
Runs as daemon
Kills processes
Creating a file
Opens a port
Changes access rights for a file
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6922cd9a7d011c9c3a4885c1/reports/51e247c2-8771-4eb1-a789-afd201ab3a13/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-23T07:21:00Z UTC
Last seen:
2025-11-23T12:11:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/66c738da31a7aca7befdc0934d8f51e42c37cfee92ee19cb425c5103dcea0bb3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9680db21-2f0f-42f4-9a2c-b6142fb9290a
Behavior Graph:
Download SVG
%3 guuid=d6d81ade-1900-0000-bf8e-efb2bd090000 pid=2493 /usr/bin/sudo guuid=cb9c3de0-1900-0000-bf8e-efb2c4090000 pid=2500 /tmp/sample.bin net write-config write-file guuid=d6d81ade-1900-0000-bf8e-efb2bd090000 pid=2493->guuid=cb9c3de0-1900-0000-bf8e-efb2c4090000 pid=2500 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=cb9c3de0-1900-0000-bf8e-efb2c4090000 pid=2500->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=2cb703e1-1900-0000-bf8e-efb2c6090000 pid=2502 /usr/bin/dash guuid=cb9c3de0-1900-0000-bf8e-efb2c4090000 pid=2500->guuid=2cb703e1-1900-0000-bf8e-efb2c6090000 pid=2502 execve guuid=c0d43fe1-1900-0000-bf8e-efb2c8090000 pid=2504 /usr/bin/dash guuid=cb9c3de0-1900-0000-bf8e-efb2c4090000 pid=2500->guuid=c0d43fe1-1900-0000-bf8e-efb2c8090000 pid=2504 execve guuid=2501a4e1-1900-0000-bf8e-efb2c9090000 pid=2505 /tmp/sample.bin guuid=cb9c3de0-1900-0000-bf8e-efb2c4090000 pid=2500->guuid=2501a4e1-1900-0000-bf8e-efb2c9090000 pid=2505 clone guuid=1746abe1-1900-0000-bf8e-efb2ca090000 pid=2506 /tmp/sample.bin guuid=cb9c3de0-1900-0000-bf8e-efb2c4090000 pid=2500->guuid=1746abe1-1900-0000-bf8e-efb2ca090000 pid=2506 clone guuid=56aeb6e1-1900-0000-bf8e-efb2cb090000 pid=2507 /tmp/sample.bin guuid=2501a4e1-1900-0000-bf8e-efb2c9090000 pid=2505->guuid=56aeb6e1-1900-0000-bf8e-efb2cb090000 pid=2507 clone guuid=d696c4e1-1900-0000-bf8e-efb2cc090000 pid=2508 /tmp/sample.bin guuid=1746abe1-1900-0000-bf8e-efb2ca090000 pid=2506->guuid=d696c4e1-1900-0000-bf8e-efb2cc090000 pid=2508 clone guuid=833c0de2-1900-0000-bf8e-efb2cd090000 pid=2509 /tmp/sample.bin guuid=d696c4e1-1900-0000-bf8e-efb2cc090000 pid=2508->guuid=833c0de2-1900-0000-bf8e-efb2cd090000 pid=2509 clone
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1819352
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1819352 Sample: morte.x86.elf Startdate: 23/11/2025 Architecture: LINUX Score: 100 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus detection for dropped file 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 3 other signatures 2->37 8 morte.x86.elf 2->8         started        process3 file4 29 /usr/local/bin/infinitd, ELF 8->29 dropped 11 morte.x86.elf 8->11         started        13 morte.x86.elf sh 8->13         started        15 morte.x86.elf sh 8->15         started        17 morte.x86.elf 8->17         started        process5 process6 19 morte.x86.elf 11->19         started        21 sh 13->21         started        23 sh 15->23         started        25 morte.x86.elf 17->25         started        process7 27 morte.x86.elf 19->27         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/66c738da31a7aca7befdc0934d8f51e42c37cfee92ee19cb425c5103dcea0bb3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66c738da31a7aca7befdc0934d8f51e42c37cfee92ee19cb425c5103dcea0bb3/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-11-23 09:02:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3dtrwrru6wkppx5ycju3d2r4qwdpt7oslxbts2clriqhxhkbozq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery linux persistence privilege_escalation
Link:
https://tria.ge/reports/251123-kzksesxnam/
Behaviour
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/071f81d0-3a09-4ee5-b71d-597e814c444a
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/66c738da31a7aca7befdc0934d8f51e42c37cfee92ee19cb425c5103dcea0bb3

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: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:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
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 7a2aa7939edd72a42eeedb556987deb4a38246cdced8c83886f9cb893394686e

Mirai

elf 66c738da31a7aca7befdc0934d8f51e42c37cfee92ee19cb425c5103dcea0bb3

(this sample)

  
Dropped by
SHA256 7a2aa7939edd72a42eeedb556987deb4a38246cdced8c83886f9cb893394686e
  
URLhaus
https://urlhaus.abuse.ch/url/3702508/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 6927292648e7068f718697611683d910

Comments