Malware Analysis Report

2025-01-02 09:42

Sample ID 240903-cwwrhsvbnp
Target 80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441
SHA256 80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441
Tags
gcleaner discovery 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

80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441

Threat Level: Known bad

The file 80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441 was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Downloads MZ/PE file

Checks computer location settings

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-03 02:26

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-03 02:26

Reported

2024-09-03 02:28

Platform

win11-20240802-en

Max time kernel

90s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.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:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.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\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe

"C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3748 -ip 3748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3748 -ip 3748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 544

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3748 -ip 3748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3748 -ip 3748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 800

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3748 -ip 3748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 832

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3748 -ip 3748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 852

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3748 -ip 3748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 960

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3748 -ip 3748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 964

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3748 -ip 3748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 1696

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3748 -ip 3748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 1740

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe" /f

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/3748-1-0x00000000006B0000-0x00000000007B0000-memory.dmp

memory/3748-2-0x00000000008C0000-0x00000000008FC000-memory.dmp

memory/3748-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/3748-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/3748-13-0x00000000006B0000-0x00000000007B0000-memory.dmp

memory/3748-15-0x0000000000400000-0x0000000000453000-memory.dmp

memory/3748-16-0x00000000008C0000-0x00000000008FC000-memory.dmp

memory/3748-17-0x0000000000400000-0x000000000043F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\01ME7Y5O\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/3748-29-0x0000000000400000-0x0000000000453000-memory.dmp

memory/3748-35-0x0000000000400000-0x0000000000453000-memory.dmp

memory/3748-36-0x0000000000400000-0x000000000043F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-03 02:26

Reported

2024-09-03 02:28

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe N/A

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.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\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe

"C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3252 -ip 3252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 456

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3252 -ip 3252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 464

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3252 -ip 3252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3252 -ip 3252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 768

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3252 -ip 3252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 768

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3252 -ip 3252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 840

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3252 -ip 3252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 912

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3252 -ip 3252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3252 -ip 3252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 1028

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3252 -ip 3252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 1544

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3252 -ip 3252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 1512

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "80acce03867fb6ff817ea4e58eadb92d8d0bbec682934389d59a281bd383f441.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/3252-1-0x0000000000590000-0x0000000000690000-memory.dmp

memory/3252-2-0x0000000002090000-0x00000000020CC000-memory.dmp

memory/3252-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/3252-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/3252-13-0x0000000000400000-0x0000000000453000-memory.dmp

memory/3252-14-0x0000000000590000-0x0000000000690000-memory.dmp

memory/3252-16-0x0000000002090000-0x00000000020CC000-memory.dmp

memory/3252-17-0x0000000000400000-0x000000000043F000-memory.dmp

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

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/3252-36-0x0000000000400000-0x000000000043F000-memory.dmp

memory/3252-35-0x0000000000400000-0x0000000000453000-memory.dmp