Analysis
-
max time kernel
149s -
max time network
149s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
06-11-2020 00:43
Static task
static1
Behavioral task
behavioral1
Sample
476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Resource
win10v20201028
General
-
Target
476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
-
Size
349KB
-
MD5
0ab1dfa9b38983b87a66f1f7e90b0bfd
-
SHA1
01bea9cba16e4592811119cc7f5cc7a4251f01fd
-
SHA256
476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604
-
SHA512
806da632438a5a598a84e653491a784240b4371dbcd918afd54fb6ca15eb6e376575756932b42bcb2c2bda1a529472f681c241f4e940906f8a811d96607314ec
Malware Config
Signatures
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 2188 msdcsc.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe upx C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeSecurityPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeTakeOwnershipPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeLoadDriverPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeSystemProfilePrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeSystemtimePrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeProfSingleProcessPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeIncBasePriorityPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeCreatePagefilePrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeBackupPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeRestorePrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeShutdownPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeDebugPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeSystemEnvironmentPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeChangeNotifyPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeRemoteShutdownPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeUndockPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeManageVolumePrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeImpersonatePrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeCreateGlobalPrivilege 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: 33 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: 34 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: 35 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: 36 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe Token: SeIncreaseQuotaPrivilege 2188 msdcsc.exe Token: SeSecurityPrivilege 2188 msdcsc.exe Token: SeTakeOwnershipPrivilege 2188 msdcsc.exe Token: SeLoadDriverPrivilege 2188 msdcsc.exe Token: SeSystemProfilePrivilege 2188 msdcsc.exe Token: SeSystemtimePrivilege 2188 msdcsc.exe Token: SeProfSingleProcessPrivilege 2188 msdcsc.exe Token: SeIncBasePriorityPrivilege 2188 msdcsc.exe Token: SeCreatePagefilePrivilege 2188 msdcsc.exe Token: SeBackupPrivilege 2188 msdcsc.exe Token: SeRestorePrivilege 2188 msdcsc.exe Token: SeShutdownPrivilege 2188 msdcsc.exe Token: SeDebugPrivilege 2188 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2188 msdcsc.exe Token: SeChangeNotifyPrivilege 2188 msdcsc.exe Token: SeRemoteShutdownPrivilege 2188 msdcsc.exe Token: SeUndockPrivilege 2188 msdcsc.exe Token: SeManageVolumePrivilege 2188 msdcsc.exe Token: SeImpersonatePrivilege 2188 msdcsc.exe Token: SeCreateGlobalPrivilege 2188 msdcsc.exe Token: 33 2188 msdcsc.exe Token: 34 2188 msdcsc.exe Token: 35 2188 msdcsc.exe Token: 36 2188 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 2188 msdcsc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exedescription pid process target process PID 796 wrote to memory of 2188 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe msdcsc.exe PID 796 wrote to memory of 2188 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe msdcsc.exe PID 796 wrote to memory of 2188 796 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe msdcsc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe"C:\Users\Admin\AppData\Local\Temp\476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:796 -
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2188
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exeMD5
0ab1dfa9b38983b87a66f1f7e90b0bfd
SHA101bea9cba16e4592811119cc7f5cc7a4251f01fd
SHA256476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604
SHA512806da632438a5a598a84e653491a784240b4371dbcd918afd54fb6ca15eb6e376575756932b42bcb2c2bda1a529472f681c241f4e940906f8a811d96607314ec
-
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exeMD5
0ab1dfa9b38983b87a66f1f7e90b0bfd
SHA101bea9cba16e4592811119cc7f5cc7a4251f01fd
SHA256476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604
SHA512806da632438a5a598a84e653491a784240b4371dbcd918afd54fb6ca15eb6e376575756932b42bcb2c2bda1a529472f681c241f4e940906f8a811d96607314ec
-
memory/2188-0-0x0000000000000000-mapping.dmp