Analysis Overview
SHA256
620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27
Threat Level: Known bad
The file 620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27 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
2024-05-09 13:14
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-09 13:14
Reported
2024-05-09 13:17
Platform
win10v2004-20240426-en
Max time kernel
136s
Max time network
100s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.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 4872 wrote to memory of 5024 | N/A | C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4872 wrote to memory of 5024 | N/A | C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4872 wrote to memory of 5024 | N/A | C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 5024 wrote to memory of 3000 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 5024 wrote to memory of 3000 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 5024 wrote to memory of 3000 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe
"C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4872 -ip 4872
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4872 -ip 4872
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4872 -ip 4872
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4872 -ip 4872
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4872 -ip 4872
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 892
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4872 -ip 4872
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 1004
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4872 -ip 4872
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 1112
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4872 -ip 4872
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 1336
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4872 -ip 4872
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 1300
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| BE | 2.17.196.74:443 | www.bing.com | tcp |
| 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 |
| BE | 2.17.196.74:443 | www.bing.com | 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 | 74.196.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/4872-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4872-2-0x0000000002C50000-0x0000000002C7D000-memory.dmp
memory/4872-1-0x0000000002DD0000-0x0000000002ED0000-memory.dmp
memory/4872-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4872-5-0x0000000000400000-0x0000000002AFA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-09 13:14
Reported
2024-05-09 13:17
Platform
win11-20240508-en
Max time kernel
149s
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 1652 wrote to memory of 3356 | N/A | C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1652 wrote to memory of 3356 | N/A | C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1652 wrote to memory of 3356 | N/A | C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3356 wrote to memory of 1068 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3356 wrote to memory of 1068 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3356 wrote to memory of 1068 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe
"C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1652 -ip 1652
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1652 -ip 1652
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1652 -ip 1652
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 824
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1652 -ip 1652
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 864
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1652 -ip 1652
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1652 -ip 1652
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 984
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1652 -ip 1652
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 1440
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1652 -ip 1652
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "620850c6ca27309fb65aea0109a63c5af7d7bb01198f6fe3bb6e4e7ae26c9c27.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 1268
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 | 27.73.42.20.in-addr.arpa | udp |
Files
memory/1652-1-0x0000000002C60000-0x0000000002D60000-memory.dmp
memory/1652-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1652-2-0x0000000002F70000-0x0000000002F9D000-memory.dmp
memory/1652-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1652-5-0x0000000000400000-0x0000000002AFA000-memory.dmp