Malware Analysis Report

2025-08-06 03:39

Sample ID 230702-gsljlabh7s
Target 2d257873ee0ae75c9b89bd340e3e3da6.exe
SHA256 f6cf800d44ff24fc1d1c06ccb0df605c5585f56fd041d335a5fe15628a1e9428
Tags
gcleaner loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

f6cf800d44ff24fc1d1c06ccb0df605c5585f56fd041d335a5fe15628a1e9428

Threat Level: Known bad

The file 2d257873ee0ae75c9b89bd340e3e3da6.exe was found to be: Known bad.

Malicious Activity Summary

gcleaner loader

GCleaner

Checks computer location settings

Deletes itself

Unsigned PE

Program crash

Enumerates physical storage devices

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-07-02 06:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-02 06:04

Reported

2023-07-02 06:06

Platform

win7-20230621-en

Max time kernel

30s

Max time network

33s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2d257873ee0ae75c9b89bd340e3e3da6.exe"

Signatures

GCleaner

loader gcleaner

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.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\2d257873ee0ae75c9b89bd340e3e3da6.exe

"C:\Users\Admin\AppData\Local\Temp\2d257873ee0ae75c9b89bd340e3e3da6.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "2d257873ee0ae75c9b89bd340e3e3da6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2d257873ee0ae75c9b89bd340e3e3da6.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "2d257873ee0ae75c9b89bd340e3e3da6.exe" /f

Network

Country Destination Domain Proto
NL 45.12.253.56:80 45.12.253.56 tcp

Files

memory/2032-54-0x0000000002F30000-0x0000000002F56000-memory.dmp

memory/2032-55-0x0000000002F60000-0x0000000002FA0000-memory.dmp

memory/2032-56-0x0000000000400000-0x00000000017FB000-memory.dmp

memory/2032-58-0x0000000000400000-0x00000000017FB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-02 06:04

Reported

2023-07-02 06:06

Platform

win10v2004-20230621-en

Max time kernel

142s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2d257873ee0ae75c9b89bd340e3e3da6.exe"

Signatures

GCleaner

loader gcleaner

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2d257873ee0ae75c9b89bd340e3e3da6.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\2d257873ee0ae75c9b89bd340e3e3da6.exe

"C:\Users\Admin\AppData\Local\Temp\2d257873ee0ae75c9b89bd340e3e3da6.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2824 -ip 2824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 452

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2824 -ip 2824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 2824 -ip 2824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 2824 -ip 2824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2824 -ip 2824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 836

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2824 -ip 2824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 928

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2824 -ip 2824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 928

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2824 -ip 2824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1112

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2824 -ip 2824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1368

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "2d257873ee0ae75c9b89bd340e3e3da6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2d257873ee0ae75c9b89bd340e3e3da6.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "2d257873ee0ae75c9b89bd340e3e3da6.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2824 -ip 2824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1396

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
NL 45.12.253.56:80 45.12.253.56 tcp
US 8.8.8.8:53 56.253.12.45.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 2.77.109.52.in-addr.arpa udp
SG 8.241.150.254:80 tcp
SG 8.241.150.254:80 tcp
DE 23.218.209.198:443 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 216.74.101.95.in-addr.arpa udp

Files

memory/2824-133-0x00000000019A0000-0x00000000019C6000-memory.dmp

memory/2824-134-0x0000000003580000-0x00000000035C0000-memory.dmp

memory/2824-136-0x0000000000400000-0x00000000017FB000-memory.dmp