Analysis Overview
SHA256
4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140
Threat Level: Known bad
The file 4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Checks computer location settings
Enumerates physical storage devices
Program crash
Unsigned PE
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-08 19:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-08 19:54
Reported
2024-05-08 19:57
Platform
win10v2004-20240508-en
Max time kernel
94s
Max time network
125s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe | N/A |
Enumerates physical storage devices
Program crash
Kills process with taskkill
| 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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1116 wrote to memory of 2740 | N/A | C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1116 wrote to memory of 2740 | N/A | C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1116 wrote to memory of 2740 | N/A | C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2740 wrote to memory of 3108 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2740 wrote to memory of 3108 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2740 wrote to memory of 3108 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe
"C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1116 -ip 1116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1116 -ip 1116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1116 -ip 1116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1116 -ip 1116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 800
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1116 -ip 1116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1116 -ip 1116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 1004
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1116 -ip 1116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 1348
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1116 -ip 1116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 1284
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.128.172.185.in-addr.arpa | udp |
| BE | 2.17.107.115:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 115.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
Files
memory/1116-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1116-2-0x00000000041A0000-0x00000000041CD000-memory.dmp
memory/1116-1-0x0000000002700000-0x0000000002800000-memory.dmp
memory/1116-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1116-5-0x0000000000400000-0x000000000257A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-08 19:54
Reported
2024-05-08 19:57
Platform
win11-20240419-en
Max time kernel
90s
Max time network
94s
Command Line
Signatures
GCleaner
Enumerates physical storage devices
Program crash
Kills process with taskkill
| 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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3400 wrote to memory of 4760 | N/A | C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3400 wrote to memory of 4760 | N/A | C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3400 wrote to memory of 4760 | N/A | C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4760 wrote to memory of 1608 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4760 wrote to memory of 1608 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4760 wrote to memory of 1608 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe
"C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3400 -ip 3400
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3400 -ip 3400
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3400 -ip 3400
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3400 -ip 3400
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 812
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3400 -ip 3400
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3400 -ip 3400
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 1080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3400 -ip 3400
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 1428
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "4271be2f7a9d6e54270e3c9d6d137046d2d9402adf26138d0f609bebd810e140.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 |
Files
memory/3400-1-0x00000000026D0000-0x00000000027D0000-memory.dmp
memory/3400-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3400-2-0x0000000004280000-0x00000000042AD000-memory.dmp
memory/3400-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3400-5-0x0000000000400000-0x000000000257A000-memory.dmp