Analysis Overview
SHA256
d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e
Threat Level: Known bad
The file d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e was found to be: Known bad.
Malicious Activity Summary
GCleaner
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Kills process with taskkill
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-08 09:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-08 09:36
Reported
2024-05-08 09:39
Platform
win10v2004-20240419-en
Max time kernel
134s
Max time network
102s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.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 3748 wrote to memory of 4676 | N/A | C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3748 wrote to memory of 4676 | N/A | C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3748 wrote to memory of 4676 | N/A | C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4676 wrote to memory of 368 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4676 wrote to memory of 368 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4676 wrote to memory of 368 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe
"C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.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 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3748 -ip 3748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3748 -ip 3748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3748 -ip 3748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3748 -ip 3748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 908
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3748 -ip 3748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 996
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3748 -ip 3748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 996
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 3748 -ip 3748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 1304
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| NL | 23.62.61.72:443 | www.bing.com | tcp |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
| US | 8.8.8.8:53 | 72.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 142.53.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.131.50.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.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 |
Files
memory/3748-1-0x0000000001B80000-0x0000000001C80000-memory.dmp
memory/3748-2-0x0000000003620000-0x000000000364D000-memory.dmp
memory/3748-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3748-7-0x0000000003620000-0x000000000364D000-memory.dmp
memory/3748-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3748-5-0x0000000000400000-0x0000000001A0A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-08 09:36
Reported
2024-05-08 09:39
Platform
win11-20240419-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 2420 wrote to memory of 784 | N/A | C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2420 wrote to memory of 784 | N/A | C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2420 wrote to memory of 784 | N/A | C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 784 wrote to memory of 2392 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 784 wrote to memory of 2392 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 784 wrote to memory of 2392 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe
"C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2420 -ip 2420
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2420 -ip 2420
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 788
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2420 -ip 2420
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 788
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2420 -ip 2420
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 800
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2420 -ip 2420
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2420 -ip 2420
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 1076
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2420 -ip 2420
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 1060
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2420 -ip 2420
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 1428
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2420 -ip 2420
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 1348
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "d837df520b4e343750f13565705a5c08d046870d0b452d2000043da34551891e.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/2420-1-0x0000000001C00000-0x0000000001D00000-memory.dmp
memory/2420-2-0x0000000003720000-0x000000000374D000-memory.dmp
memory/2420-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2420-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2420-5-0x0000000000400000-0x0000000001A0A000-memory.dmp