Malware Analysis Report

2025-08-05 14:40

Sample ID 250703-f457psvlt9
Target d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b.bin
SHA256 d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b
Tags
gcleaner discovery loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b

Threat Level: Known bad

The file d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b.bin was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Gcleaner family

Downloads MZ/PE file

Executes dropped EXE

Loads dropped DLL

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-07-03 05:26

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-07-03 05:26

Reported

2025-07-03 05:29

Platform

win10v2004-20250610-en

Max time kernel

102s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b.exe"

Signatures

GCleaner

loader gcleaner

Gcleaner family

gcleaner

Downloads MZ/PE file

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\svchost015.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\svchost015.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\svchost015.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3060 set thread context of 3956 N/A C:\Users\Admin\AppData\Local\Temp\d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b.exe C:\Users\Admin\AppData\Local\Temp\svchost015.exe

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\svchost015.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b.exe

"C:\Users\Admin\AppData\Local\Temp\d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b.exe"

C:\Users\Admin\AppData\Local\Temp\svchost015.exe

C:\Users\Admin\AppData\Local\Temp\svchost015.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 142.250.187.193:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.179.227:80 o.pki.goog tcp
US 176.46.157.48:80 176.46.157.48 tcp
US 176.46.157.48:80 176.46.157.48 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 176.46.157.48:80 176.46.157.48 tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.179.227:80 c.pki.goog tcp

Files

memory/3060-0-0x0000000002740000-0x0000000002741000-memory.dmp

memory/3060-1-0x0000000000470000-0x0000000000471000-memory.dmp

memory/3060-2-0x0000000002740000-0x0000000002741000-memory.dmp

memory/3060-3-0x0000000000400000-0x00000000008D0000-memory.dmp

memory/3060-4-0x0000000000400000-0x00000000008D0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\svchost015.exe

MD5 ceeae1523c3864b719e820b75bf728aa
SHA1 cf607927b6ef864a11bf7ebbcdbb59891d23d320
SHA256 4e04e2fb20a9c6846b5d693ea67098214f77737f4f1f3df5f0c78594650e7f71
SHA512 a06da3b96084040d49964b2227402ff1a2548ee5f1459df6b64bc6cbb271f19a00a798333e0f608d03c5a6de7355ae916309250204900117e3ef101f764d0f5f

C:\Users\Admin\AppData\Local\Temp\svcD83F.tmp

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/3956-19-0x0000000000180000-0x00000000001AF000-memory.dmp

memory/3956-22-0x0000000010000000-0x000000001001C000-memory.dmp

memory/3956-27-0x0000000000180000-0x00000000001AF000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\D5EG1QL2\service[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/3956-41-0x0000000000180000-0x00000000001AF000-memory.dmp

memory/3956-47-0x0000000000180000-0x00000000001AF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-07-03 05:26

Reported

2025-07-03 05:29

Platform

win11-20250619-en

Max time kernel

101s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b.exe"

Signatures

GCleaner

loader gcleaner

Gcleaner family

gcleaner

Downloads MZ/PE file

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\svchost015.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\svchost015.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\svchost015.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 6116 set thread context of 5528 N/A C:\Users\Admin\AppData\Local\Temp\d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b.exe C:\Users\Admin\AppData\Local\Temp\svchost015.exe

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\svchost015.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b.exe

"C:\Users\Admin\AppData\Local\Temp\d31f0543792df2de66f3a6fd6d75491ba1e84a5969f2091a17b22e697189ca0b.exe"

C:\Users\Admin\AppData\Local\Temp\svchost015.exe

C:\Users\Admin\AppData\Local\Temp\svchost015.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 142.250.187.193:443 drive.usercontent.google.com tcp
GB 142.250.179.227:80 o.pki.goog tcp
GB 142.250.179.227:80 o.pki.goog tcp
US 176.46.157.48:80 176.46.157.48 tcp
US 176.46.157.48:80 176.46.157.48 tcp
US 176.46.157.48:80 176.46.157.48 tcp
GB 142.250.179.227:80 o.pki.goog tcp

Files

memory/6116-0-0x0000000002740000-0x0000000002741000-memory.dmp

memory/6116-1-0x0000000000470000-0x0000000000471000-memory.dmp

memory/6116-2-0x0000000002740000-0x0000000002741000-memory.dmp

memory/6116-3-0x0000000000400000-0x00000000008D0000-memory.dmp

memory/6116-4-0x0000000000400000-0x00000000008D0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\svcF2DC.tmp

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/5528-10-0x0000000000430000-0x000000000045F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\svchost015.exe

MD5 ceeae1523c3864b719e820b75bf728aa
SHA1 cf607927b6ef864a11bf7ebbcdbb59891d23d320
SHA256 4e04e2fb20a9c6846b5d693ea67098214f77737f4f1f3df5f0c78594650e7f71
SHA512 a06da3b96084040d49964b2227402ff1a2548ee5f1459df6b64bc6cbb271f19a00a798333e0f608d03c5a6de7355ae916309250204900117e3ef101f764d0f5f

memory/5528-23-0x0000000000430000-0x000000000045F000-memory.dmp

memory/5528-26-0x0000000010000000-0x000000001001C000-memory.dmp

memory/5528-31-0x0000000000430000-0x000000000045F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GKCUTU87\service[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/5528-51-0x0000000000430000-0x000000000045F000-memory.dmp