Analysis
- max time kernel
60s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20220722-en - resource tags
arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system - submitted
26/07/2022, 07:32
Static task
static1
Behavioral task
behavioral1
Sample
3c1a5b1eebdba993081e6fcf3ea415fc.msi
Resource
win7-20220715-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
3c1a5b1eebdba993081e6fcf3ea415fc.msi
Resource
win10v2004-20220722-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 3c1a5b1eebdba993081e6fcf3ea415fc.msi
- Size 224KB
- Sample220726-jcy6vsfbdn
- SHA256 92e5e552f3e30774359f76fd596cfe2bc62bfafcd46868756053c5e75254d597
- MD5 3c1a5b1eebdba993081e6fcf3ea415fc
- SHA1 5a51b3a2be04f9e75842ad6f534cf54dd03357fb
- SHA512 f60a9e44a7a416b990f4ab94b50b3a87a5675c611dbca9a0fa6edf7d802729415e8e23c8166dcab4501dcd3e14277d309414884deacb12dda4eed5a70be8b3d8
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Blocklisted process makes network request 2 IoCs
flow pid Process 10 5020 msiexec.exe 12 5020 msiexec.exe - Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe - Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 00000000040000005cd502df9bbdf3820000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000c01200000000ffffffff0000000027010100000800005cd502df0000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d01200000000000020ed3f000000ffffffff0000000007000100006809005cd502df000000000000d0120000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0000000000000000000000005cd502df00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0000000000000000000000005cd502df00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters vssvc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters vssvc.exe - Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeShutdownPrivilege 5020 msiexec.exe Token: SeIncreaseQuotaPrivilege 5020 msiexec.exe Token: SeSecurityPrivilege 3268 msiexec.exe Token: SeCreateTokenPrivilege 5020 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 5020 msiexec.exe Token: SeLockMemoryPrivilege 5020 msiexec.exe Token: SeIncreaseQuotaPrivilege 5020 msiexec.exe Token: SeMachineAccountPrivilege 5020 msiexec.exe Token: SeTcbPrivilege 5020 msiexec.exe Token: SeSecurityPrivilege 5020 msiexec.exe Token: SeTakeOwnershipPrivilege 5020 msiexec.exe Token: SeLoadDriverPrivilege 5020 msiexec.exe Token: SeSystemProfilePrivilege 5020 msiexec.exe Token: SeSystemtimePrivilege 5020 msiexec.exe Token: SeProfSingleProcessPrivilege 5020 msiexec.exe Token: SeIncBasePriorityPrivilege 5020 msiexec.exe Token: SeCreatePagefilePrivilege 5020 msiexec.exe Token: SeCreatePermanentPrivilege 5020 msiexec.exe Token: SeBackupPrivilege 5020 msiexec.exe Token: SeRestorePrivilege 5020 msiexec.exe Token: SeShutdownPrivilege 5020 msiexec.exe Token: SeDebugPrivilege 5020 msiexec.exe Token: SeAuditPrivilege 5020 msiexec.exe Token: SeSystemEnvironmentPrivilege 5020 msiexec.exe Token: SeChangeNotifyPrivilege 5020 msiexec.exe Token: SeRemoteShutdownPrivilege 5020 msiexec.exe Token: SeUndockPrivilege 5020 msiexec.exe Token: SeSyncAgentPrivilege 5020 msiexec.exe Token: SeEnableDelegationPrivilege 5020 msiexec.exe Token: SeManageVolumePrivilege 5020 msiexec.exe Token: SeImpersonatePrivilege 5020 msiexec.exe Token: SeCreateGlobalPrivilege 5020 msiexec.exe Token: SeBackupPrivilege 1496 vssvc.exe Token: SeRestorePrivilege 1496 vssvc.exe Token: SeAuditPrivilege 1496 vssvc.exe Token: SeBackupPrivilege 3268 msiexec.exe Token: SeRestorePrivilege 3268 msiexec.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5020 msiexec.exe
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\3c1a5b1eebdba993081e6fcf3ea415fc.msi1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:5020
-
C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3268
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:1496