Malware Analysis Report

2025-01-02 09:37

Sample ID 240506-f7da4aah5w
Target 92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f
SHA256 92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f
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

92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f

Threat Level: Known bad

The file 92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f was found to be: Known bad.

Malicious Activity Summary

gcleaner loader

GCleaner

Deletes itself

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Kills process with taskkill

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-06 05:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-06 05:30

Reported

2024-05-06 05:35

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f.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\92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f.exe

"C:\Users\Admin\AppData\Local\Temp\92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f.exe" /f

Network

Country Destination Domain Proto
DE 185.172.128.90:80 185.172.128.90 tcp

Files

memory/2664-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2664-2-0x0000000000220000-0x000000000024D000-memory.dmp

memory/2664-1-0x0000000001B20000-0x0000000001C20000-memory.dmp

memory/2664-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2664-7-0x0000000001B20000-0x0000000001C20000-memory.dmp

memory/2664-5-0x0000000000400000-0x0000000001A22000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-06 05:30

Reported

2024-05-06 05:35

Platform

win10-20240404-en

Max time kernel

195s

Max time network

259s

Command Line

"C:\Users\Admin\AppData\Local\Temp\92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f.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\92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f.exe

"C:\Users\Admin\AppData\Local\Temp\92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 768

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 804

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 -u -p 4988 -s 904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 960

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 1116

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 1128

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 1268

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "92b22f2fa0b2c504bd9775047f03473badea384ac2a735957c33b2680575066f.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 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 205.201.50.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/4988-1-0x0000000001C20000-0x0000000001D20000-memory.dmp

memory/4988-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4988-2-0x0000000001B90000-0x0000000001BBD000-memory.dmp

memory/4988-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4988-5-0x0000000000400000-0x0000000001A22000-memory.dmp