Malware Analysis Report

2025-06-16 02:11

Sample ID 240402-qvenhabg86
Target 4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.zip
SHA256 2abc21bac672fd4c17aefcb198245430286079abf5450ea19517534611e4ca5a
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

2abc21bac672fd4c17aefcb198245430286079abf5450ea19517534611e4ca5a

Threat Level: Known bad

The file 4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.zip was found to be: Known bad.

Malicious Activity Summary

gcleaner loader

GCleaner

Deletes itself

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

2024-04-02 13:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 13:34

Reported

2024-04-02 13:37

Platform

win7-20231129-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.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\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe

"C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" /f

Network

Country Destination Domain Proto
DE 185.172.128.90:80 185.172.128.90 tcp

Files

memory/2848-1-0x0000000000CA0000-0x0000000000DA0000-memory.dmp

memory/2848-2-0x0000000000230000-0x000000000025D000-memory.dmp

memory/2848-3-0x0000000000400000-0x0000000000AF0000-memory.dmp

memory/2848-6-0x0000000000CA0000-0x0000000000DA0000-memory.dmp

memory/2848-5-0x0000000000400000-0x0000000000AF0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 13:34

Reported

2024-04-02 13:38

Platform

win10v2004-20240226-en

Max time kernel

165s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe"

Signatures

GCleaner

loader gcleaner

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.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\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe

"C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4988 -ip 4988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4988 -ip 4988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4988 -ip 4988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4988 -ip 4988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4988 -ip 4988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4988 -ip 4988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4988 -ip 4988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 1296

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4988 -ip 4988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 1308

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" /f

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 57.162.23.2.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 41.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.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 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
GB 2.23.162.57:80 tcp
NL 52.142.223.178:80 tcp

Files

memory/4988-1-0x0000000000C10000-0x0000000000D10000-memory.dmp

memory/4988-2-0x0000000000BC0000-0x0000000000BED000-memory.dmp

memory/4988-3-0x0000000000400000-0x0000000000AF0000-memory.dmp

memory/4988-7-0x0000000000BC0000-0x0000000000BED000-memory.dmp

memory/4988-6-0x0000000000400000-0x0000000000AF0000-memory.dmp