Malware Analysis Report

2025-01-02 09:38

Sample ID 240509-yd4v3aec58
Target a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1
SHA256 a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1
Tags
gcleaner loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1

Threat Level: Known bad

The file a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1 was found to be: Known bad.

Malicious Activity Summary

gcleaner loader

GCleaner

Checks computer location settings

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 19:41

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 19:41

Reported

2024-05-09 19:43

Platform

win10v2004-20240426-en

Max time kernel

140s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe"

Signatures

GCleaner

loader gcleaner

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe N/A

Enumerates physical storage devices

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 312 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 312 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 312 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 312 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 312 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 312 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 312 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 312 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 312 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 312 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 3556 wrote to memory of 4588 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Windows\SysWOW64\cmd.exe
PID 3556 wrote to memory of 4588 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Windows\SysWOW64\cmd.exe
PID 3556 wrote to memory of 4588 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Windows\SysWOW64\cmd.exe
PID 4588 wrote to memory of 3612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 4588 wrote to memory of 3612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 4588 wrote to memory of 3612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe

"C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe"

C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe

"C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 2.17.196.184:443 www.bing.com tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 184.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
BE 2.17.196.184:443 www.bing.com tcp
DE 185.172.128.90:80 185.172.128.90 tcp
US 8.8.8.8:53 90.128.172.185.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 24.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/312-1-0x0000000002DB0000-0x0000000002EB0000-memory.dmp

memory/312-2-0x0000000002D30000-0x0000000002D5E000-memory.dmp

memory/3556-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3556-4-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3556-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3556-5-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3556-8-0x0000000000400000-0x000000000042F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 19:41

Reported

2024-05-09 19:43

Platform

win11-20240419-en

Max time kernel

90s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe"

Signatures

GCleaner

loader gcleaner

Enumerates physical storage devices

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3900 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 3900 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 3900 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 3900 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 3900 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 3900 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 3900 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 3900 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 3900 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 3900 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe
PID 2348 wrote to memory of 4596 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Windows\SysWOW64\cmd.exe
PID 2348 wrote to memory of 4596 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Windows\SysWOW64\cmd.exe
PID 2348 wrote to memory of 4596 N/A C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe C:\Windows\SysWOW64\cmd.exe
PID 4596 wrote to memory of 2204 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 4596 wrote to memory of 2204 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 4596 wrote to memory of 2204 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe

"C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe"

C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe

"C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "a073d43bf3336d2ab19b51ddd6e37c5e5754f6e792ad2b1d7fe44694e69b58a1.exe" /f

Network

Country Destination Domain Proto
DE 185.172.128.90:80 185.172.128.90 tcp
US 8.8.8.8:53 90.128.172.185.in-addr.arpa udp

Files

memory/3900-2-0x0000000002E00000-0x0000000002F00000-memory.dmp

memory/2348-5-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3900-4-0x0000000002D60000-0x0000000002D8E000-memory.dmp

memory/2348-1-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2348-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2348-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2348-8-0x0000000000400000-0x000000000042F000-memory.dmp