Malware Analysis Report

2025-01-02 09:31

Sample ID 240509-3vk7haec2w
Target 9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b
SHA256 9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b
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

9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b

Threat Level: Known bad

The file 9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b was found to be: Known bad.

Malicious Activity Summary

gcleaner loader

GCleaner

Checks computer location settings

Enumerates physical storage devices

Program crash

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 23:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 23:50

Reported

2024-05-09 23:52

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.exe"

Signatures

GCleaner

loader gcleaner

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.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

Processes

C:\Users\Admin\AppData\Local\Temp\9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.exe

"C:\Users\Admin\AppData\Local\Temp\9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2352 -ip 2352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2352 -ip 2352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2352 -ip 2352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 800

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2352 -ip 2352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 848

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2352 -ip 2352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2352 -ip 2352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 1000

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2352 -ip 2352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2352 -ip 2352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 1356

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2352 -ip 2352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 1284

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
BE 2.17.196.177:443 www.bing.com tcp
US 8.8.8.8:53 177.196.17.2.in-addr.arpa udp
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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 26.173.189.20.in-addr.arpa udp

Files

memory/2352-2-0x0000000002C60000-0x0000000002D60000-memory.dmp

memory/2352-4-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2352-3-0x0000000002D60000-0x0000000002D8D000-memory.dmp

memory/2352-1-0x0000000000400000-0x0000000002AF8000-memory.dmp

memory/2352-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2352-6-0x0000000000400000-0x0000000002AF8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 23:50

Reported

2024-05-09 23:52

Platform

win11-20240426-en

Max time kernel

92s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.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

Processes

C:\Users\Admin\AppData\Local\Temp\9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.exe

"C:\Users\Admin\AppData\Local\Temp\9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2360 -ip 2360

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 2360 -ip 2360

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2360 -ip 2360

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2360 -ip 2360

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2360 -ip 2360

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2360 -ip 2360

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 1048

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2360 -ip 2360

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 1088

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2360 -ip 2360

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 1428

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2360 -ip 2360

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "9b128d6031803aef6c63bb932a7ca2ba55ac6da2167fa4503e7004356d48ff7b.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 1500

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/2360-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2360-2-0x0000000002C90000-0x0000000002CBD000-memory.dmp

memory/2360-1-0x0000000002CE0000-0x0000000002DE0000-memory.dmp

memory/2360-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2360-5-0x0000000000400000-0x0000000002AF8000-memory.dmp