Analysis Overview
SHA256
c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5
Threat Level: Known bad
The file c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
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
2024-05-07 23:57
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-07 23:57
Reported
2024-05-08 00:02
Platform
win7-20240221-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
GCleaner
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Enumerates physical storage devices
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
Processes
C:\Users\Admin\AppData\Local\Temp\c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.exe
"C:\Users\Admin\AppData\Local\Temp\c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.exe" /f
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
Files
memory/2664-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2664-2-0x0000000000220000-0x000000000024D000-memory.dmp
memory/2664-1-0x0000000001BF0000-0x0000000001CF0000-memory.dmp
memory/2664-6-0x0000000001BF0000-0x0000000001CF0000-memory.dmp
memory/2664-5-0x0000000000400000-0x0000000001A22000-memory.dmp
memory/2664-7-0x0000000000400000-0x000000000042F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-07 23:57
Reported
2024-05-08 00:02
Platform
win10-20240404-en
Max time kernel
199s
Max time network
259s
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 2196 wrote to memory of 2588 | N/A | C:\Users\Admin\AppData\Local\Temp\c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2196 wrote to memory of 2588 | N/A | C:\Users\Admin\AppData\Local\Temp\c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2196 wrote to memory of 2588 | N/A | C:\Users\Admin\AppData\Local\Temp\c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2588 wrote to memory of 1344 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2588 wrote to memory of 1344 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2588 wrote to memory of 1344 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.exe
"C:\Users\Admin\AppData\Local\Temp\c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 948
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 972
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 1112
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 1124
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 1264
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "c887550a97d682bafb4bfafd001468e269a29a7c12e662e151649831b69bdbd5.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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
Files
memory/2196-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2196-2-0x0000000003630000-0x000000000365D000-memory.dmp
memory/2196-1-0x0000000001C90000-0x0000000001D90000-memory.dmp
memory/2196-5-0x0000000000400000-0x0000000001A22000-memory.dmp
memory/2196-6-0x0000000000400000-0x000000000042F000-memory.dmp