Malware Analysis Report

2025-06-16 02:11

Sample ID 240402-reyl4sce71
Target B0EB42A85371E15EF92020C37406F59E786A503D.exe
SHA256 3c187ba3a074078ac5edd0382992f66e784eb26faff2fbd55b97b1d0b0740ae9
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 Overview

score
10/10

SHA256

3c187ba3a074078ac5edd0382992f66e784eb26faff2fbd55b97b1d0b0740ae9

Threat Level: Known bad

The file B0EB42A85371E15EF92020C37406F59E786A503D.exe was found to be: Known bad.

Malicious Activity Summary

gcleaner loader

GCleaner

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Kills process with taskkill

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-02 14:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 14:07

Reported

2024-04-02 14:12

Platform

win11-20240221-en

Max time kernel

213s

Max time network

291s

Command Line

"C:\Users\Admin\AppData\Local\Temp\B0EB42A85371E15EF92020C37406F59E786A503D.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\B0EB42A85371E15EF92020C37406F59E786A503D.exe

"C:\Users\Admin\AppData\Local\Temp\B0EB42A85371E15EF92020C37406F59E786A503D.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3056 -ip 3056

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3056 -ip 3056

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 816

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3056 -ip 3056

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 836

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3056 -ip 3056

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 872

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3056 -ip 3056

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 960

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3056 -ip 3056

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 1064

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3056 -ip 3056

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 1320

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "B0EB42A85371E15EF92020C37406F59E786A503D.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\B0EB42A85371E15EF92020C37406F59E786A503D.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3056 -ip 3056

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "B0EB42A85371E15EF92020C37406F59E786A503D.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 1532

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 8.8.8.8:53 218.135.221.88.in-addr.arpa udp

Files

memory/3056-2-0x0000000004BA0000-0x0000000004BCD000-memory.dmp

memory/3056-1-0x0000000002FC0000-0x00000000030C0000-memory.dmp

memory/3056-3-0x0000000000400000-0x0000000002D48000-memory.dmp

memory/3056-6-0x0000000004BA0000-0x0000000004BCD000-memory.dmp

memory/3056-5-0x0000000000400000-0x0000000002D48000-memory.dmp