Malware Analysis Report

2025-01-02 09:31

Sample ID 240509-3dkjmsgc33
Target b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095
SHA256 b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095
Tags
gcleaner loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095

Threat Level: Known bad

The file b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095 was found to be: Known bad.

Malicious Activity Summary

gcleaner loader

GCleaner

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 23:23

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 23:23

Reported

2024-05-09 23:29

Platform

win10-20240404-en

Max time kernel

195s

Max time network

299s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.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\b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe

"C:\Users\Admin\AppData\Local\Temp\b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 776

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 264

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 840

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 944

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 968

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 1112

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 1124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 1260

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.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
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/1208-1-0x00007FFE10E60000-0x00007FFE1103B000-memory.dmp

memory/1208-4-0x00007FFE10E60000-0x00007FFE1103B000-memory.dmp

memory/1208-3-0x0000000000400000-0x0000000002AFD000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 23:23

Reported

2024-05-09 23:28

Platform

win7-20240419-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.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\b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe

"C:\Users\Admin\AppData\Local\Temp\b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe" /f

Network

Country Destination Domain Proto
DE 185.172.128.90:80 185.172.128.90 tcp

Files

memory/2164-1-0x0000000000400000-0x0000000002AFD000-memory.dmp

memory/2164-3-0x0000000000400000-0x0000000002AFD000-memory.dmp