Malware Analysis Report

2025-01-02 09:44

Sample ID 240905-h9y2pawfqe
Target 408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df
SHA256 408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df
Tags
gcleaner discovery 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

408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df

Threat Level: Known bad

The file 408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Downloads MZ/PE file

Checks computer location settings

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-05 07:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-05 07:26

Reported

2024-09-05 07:29

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A

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\408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe

"C:\Users\Admin\AppData\Local\Temp\408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2096 -ip 2096

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 444

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2096 -ip 2096

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2096 -ip 2096

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 804

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2096 -ip 2096

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2096 -ip 2096

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2096 -ip 2096

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 932

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2096 -ip 2096

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 1004

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2096 -ip 2096

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 932

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2096 -ip 2096

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 1576

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 102.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
RU 80.66.75.114:80 80.66.75.114 tcp
US 8.8.8.8:53 114.75.66.80.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/2096-1-0x00000000007F0000-0x00000000008F0000-memory.dmp

memory/2096-2-0x0000000000790000-0x00000000007CB000-memory.dmp

memory/2096-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/2096-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/2096-13-0x00000000007F0000-0x00000000008F0000-memory.dmp

memory/2096-16-0x0000000000790000-0x00000000007CB000-memory.dmp

memory/2096-15-0x0000000000400000-0x00000000005FE000-memory.dmp

memory/2096-17-0x0000000000400000-0x000000000043F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5JGBC19U\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/2096-29-0x0000000000400000-0x00000000005FE000-memory.dmp

memory/2096-36-0x0000000000400000-0x000000000043F000-memory.dmp

memory/2096-35-0x0000000000400000-0x00000000005FE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-05 07:26

Reported

2024-09-05 07:29

Platform

win11-20240802-en

Max time kernel

91s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A

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\408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe

"C:\Users\Admin\AppData\Local\Temp\408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4552 -ip 4552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4552 -ip 4552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4552 -ip 4552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 836

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4552 -ip 4552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 852

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4552 -ip 4552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 892

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4552 -ip 4552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4552 -ip 4552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 1084

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4552 -ip 4552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 1744

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4552 -ip 4552

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "408919a4170d80bc431ba9f08f1409e6f4eb15630cf6934e3924eb057f5332df.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 1696

Network

Country Destination Domain Proto
RU 80.66.75.114:80 80.66.75.114 tcp
US 8.8.8.8:53 114.75.66.80.in-addr.arpa udp

Files

memory/4552-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

memory/4552-2-0x0000000002440000-0x000000000247B000-memory.dmp

memory/4552-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4552-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/4552-13-0x00000000006F0000-0x00000000007F0000-memory.dmp

memory/4552-15-0x0000000002440000-0x000000000247B000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZQ9FC15F\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/4552-18-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4552-17-0x0000000000400000-0x00000000005FE000-memory.dmp

memory/4552-35-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4552-34-0x0000000000400000-0x00000000005FE000-memory.dmp