Analysis Overview
SHA256
8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28
Threat Level: Known bad
The file 8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28 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
2024-05-10 07:46
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-10 07:46
Reported
2024-05-10 07:48
Platform
win10v2004-20240508-en
Max time kernel
101s
Max time network
105s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.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 3080 wrote to memory of 4836 | N/A | C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3080 wrote to memory of 4836 | N/A | C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3080 wrote to memory of 4836 | N/A | C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4836 wrote to memory of 1292 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4836 wrote to memory of 1292 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4836 wrote to memory of 1292 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe
"C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3080 -ip 3080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3080 -ip 3080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3080 -ip 3080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 800
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3080 -ip 3080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 836
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3080 -ip 3080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3080 -ip 3080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 908
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3080 -ip 3080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 1132
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3080 -ip 3080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 1332
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3080 -ip 3080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 1276
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3080 -ip 3080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 1360
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 |
| NL | 23.62.61.106:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.106:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 106.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| 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 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
Files
memory/3080-3-0x00000000041A0000-0x00000000041CD000-memory.dmp
memory/3080-4-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3080-2-0x00000000025F0000-0x00000000026F0000-memory.dmp
memory/3080-1-0x0000000000400000-0x000000000257B000-memory.dmp
memory/3080-7-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3080-6-0x0000000000400000-0x000000000257B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-10 07:46
Reported
2024-05-10 07:48
Platform
win11-20240419-en
Max time kernel
146s
Max time network
157s
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 2956 wrote to memory of 4440 | N/A | C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2956 wrote to memory of 4440 | N/A | C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2956 wrote to memory of 4440 | N/A | C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4440 wrote to memory of 3020 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4440 wrote to memory of 3020 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4440 wrote to memory of 3020 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe
"C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2956 -ip 2956
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2956 -ip 2956
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2956 -ip 2956
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2956 -ip 2956
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 864
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2956 -ip 2956
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2956 -ip 2956
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 1060
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2956 -ip 2956
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 1268
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "8f387a3be83f5ee0d85ce664931a95d1a3b6300430637f774bad3b4c155fdd28.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/2956-1-0x0000000002760000-0x0000000002860000-memory.dmp
memory/2956-2-0x0000000004280000-0x00000000042AD000-memory.dmp
memory/2956-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2956-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2956-5-0x0000000000400000-0x000000000257B000-memory.dmp