Analysis Overview
SHA256
ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0
Threat Level: Known bad
The file ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Program crash
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-07 09:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-07 09:15
Reported
2024-05-07 09:18
Platform
win10v2004-20240426-en
Max time kernel
141s
Max time network
105s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.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 2936 wrote to memory of 2080 | N/A | C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2936 wrote to memory of 2080 | N/A | C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2936 wrote to memory of 2080 | N/A | C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2080 wrote to memory of 3360 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2080 wrote to memory of 3360 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2080 wrote to memory of 3360 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe
"C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2936 -ip 2936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2936 -ip 2936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2936 -ip 2936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2936 -ip 2936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2936 -ip 2936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2936 -ip 2936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 980
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2936 -ip 2936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 1080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2936 -ip 2936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 1340
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2936 -ip 2936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 1432
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| 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 | 69.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| GB | 23.73.138.88:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 88.138.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| GB | 23.73.138.88:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.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 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.53.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/2936-2-0x0000000002D90000-0x0000000002DBD000-memory.dmp
memory/2936-1-0x0000000002C90000-0x0000000002D90000-memory.dmp
memory/2936-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2936-7-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2936-6-0x0000000002D90000-0x0000000002DBD000-memory.dmp
memory/2936-5-0x0000000000400000-0x0000000002B09000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-07 09:15
Reported
2024-05-07 09:18
Platform
win11-20240426-en
Max time kernel
147s
Max time network
150s
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 4028 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4028 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4028 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2200 wrote to memory of 3240 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2200 wrote to memory of 3240 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2200 wrote to memory of 3240 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe
"C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4028 -ip 4028
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4028 -ip 4028
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 812
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4028 -ip 4028
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 852
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4028 -ip 4028
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4028 -ip 4028
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4028 -ip 4028
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 1076
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4028 -ip 4028
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 1444
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4028 -ip 4028
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "ff1e3a8e37987c9969d99b704c952cd2b95bc490a5a17ec06c15e2eda103f3f0.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 1388
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 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/4028-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4028-2-0x0000000002E50000-0x0000000002E7D000-memory.dmp
memory/4028-1-0x0000000002C40000-0x0000000002D40000-memory.dmp
memory/4028-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4028-5-0x0000000000400000-0x0000000002B09000-memory.dmp