Analysis Overview
SHA256
fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee
Threat Level: Known bad
The file fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee was found to be: Known bad.
Malicious Activity Summary
GCleaner
Checks computer location settings
Program crash
Unsigned PE
Enumerates physical storage devices
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 12:57
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-08 12:57
Reported
2024-05-08 12:59
Platform
win11-20240419-en
Max time kernel
146s
Max time network
151s
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 4428 wrote to memory of 3292 | N/A | C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4428 wrote to memory of 3292 | N/A | C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4428 wrote to memory of 3292 | N/A | C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3292 wrote to memory of 4644 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3292 wrote to memory of 4644 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3292 wrote to memory of 4644 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe
"C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4428 -ip 4428
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4428 -ip 4428
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4428 -ip 4428
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 824
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4428 -ip 4428
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 844
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4428 -ip 4428
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 952
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4428 -ip 4428
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 1080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4428 -ip 4428
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 1444
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4428 -ip 4428
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 1340
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.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/4428-1-0x0000000001C60000-0x0000000001D60000-memory.dmp
memory/4428-2-0x0000000001C30000-0x0000000001C5D000-memory.dmp
memory/4428-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4428-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4428-5-0x0000000000400000-0x0000000001A0A000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-08 12:57
Reported
2024-05-08 12:59
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
155s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.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 4444 wrote to memory of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4444 wrote to memory of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4444 wrote to memory of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4844 wrote to memory of 2396 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4844 wrote to memory of 2396 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4844 wrote to memory of 2396 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe
"C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4444 -ip 4444
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4444 -ip 4444
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4444 -ip 4444
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 816
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4444 -ip 4444
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 824
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4444 -ip 4444
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4444 -ip 4444
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 1000
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4444 -ip 4444
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 1332
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4444 -ip 4444
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 1380
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "fff31117cf0553890314f22b694ad3166d361e05f664061734169643e4dcceee.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 | 4.173.189.20.in-addr.arpa | udp |
Files
memory/4444-1-0x0000000001AB0000-0x0000000001BB0000-memory.dmp
memory/4444-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4444-2-0x0000000003650000-0x000000000367D000-memory.dmp
memory/4444-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4444-5-0x0000000000400000-0x0000000001A0A000-memory.dmp