Analysis
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max time kernel
144s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2023 14:21
Behavioral task
behavioral1
Sample
7538dd6e69d0c65d2dc0eb091c3ced18.msi
Resource
win7-20231215-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
7538dd6e69d0c65d2dc0eb091c3ced18.msi
Resource
win10v2004-20231215-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
7538dd6e69d0c65d2dc0eb091c3ced18.msi
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Size
3.8MB
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MD5
7538dd6e69d0c65d2dc0eb091c3ced18
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SHA1
9d91e4cc3c59c258ae2655119692c13c899d68d2
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SHA256
142a30f9ba3c2e1efbdf15241721da3b20d7b6436761d3eaafdcc095dc681fc4
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SHA512
935aed41fbc1bb42cdc4b2c10fd306286642428c017248a71297d7674439415a410464a75b0529eec4b7a98f052408afcde24a501f6970fa405d642aafadb6c6
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SSDEEP
98304:D77Pmq33rE/JDLPWZADUGer7B6iY74M/mmlwXVZaFB:L+R/eZADUXR
Score
7/10
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5048 MSI7991.tmp -
Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\J: msiexec.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 5048 MSI7991.tmp 5048 MSI7991.tmp 5048 MSI7991.tmp 5048 MSI7991.tmp -
Drops file in Windows directory 8 IoCs
description ioc Process File created C:\Windows\Installer\SourceHash{29EF7317-DCA1-4159-97B2-C883AD400AC6} msiexec.exe File opened for modification C:\Windows\Installer\MSI78E4.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI7991.tmp msiexec.exe File created C:\Windows\Installer\e5876d1.msi msiexec.exe File opened for modification C:\Windows\Installer\e5876d1.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi 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 Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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 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 Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 512 msiexec.exe 512 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 52 IoCs
description pid Process Token: SeShutdownPrivilege 1596 msiexec.exe Token: SeIncreaseQuotaPrivilege 1596 msiexec.exe Token: SeSecurityPrivilege 512 msiexec.exe Token: SeCreateTokenPrivilege 1596 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1596 msiexec.exe Token: SeLockMemoryPrivilege 1596 msiexec.exe Token: SeIncreaseQuotaPrivilege 1596 msiexec.exe Token: SeMachineAccountPrivilege 1596 msiexec.exe Token: SeTcbPrivilege 1596 msiexec.exe Token: SeSecurityPrivilege 1596 msiexec.exe Token: SeTakeOwnershipPrivilege 1596 msiexec.exe Token: SeLoadDriverPrivilege 1596 msiexec.exe Token: SeSystemProfilePrivilege 1596 msiexec.exe Token: SeSystemtimePrivilege 1596 msiexec.exe Token: SeProfSingleProcessPrivilege 1596 msiexec.exe Token: SeIncBasePriorityPrivilege 1596 msiexec.exe Token: SeCreatePagefilePrivilege 1596 msiexec.exe Token: SeCreatePermanentPrivilege 1596 msiexec.exe Token: SeBackupPrivilege 1596 msiexec.exe Token: SeRestorePrivilege 1596 msiexec.exe Token: SeShutdownPrivilege 1596 msiexec.exe Token: SeDebugPrivilege 1596 msiexec.exe Token: SeAuditPrivilege 1596 msiexec.exe Token: SeSystemEnvironmentPrivilege 1596 msiexec.exe Token: SeChangeNotifyPrivilege 1596 msiexec.exe Token: SeRemoteShutdownPrivilege 1596 msiexec.exe Token: SeUndockPrivilege 1596 msiexec.exe Token: SeSyncAgentPrivilege 1596 msiexec.exe Token: SeEnableDelegationPrivilege 1596 msiexec.exe Token: SeManageVolumePrivilege 1596 msiexec.exe Token: SeImpersonatePrivilege 1596 msiexec.exe Token: SeCreateGlobalPrivilege 1596 msiexec.exe Token: SeBackupPrivilege 4488 vssvc.exe Token: SeRestorePrivilege 4488 vssvc.exe Token: SeAuditPrivilege 4488 vssvc.exe Token: SeBackupPrivilege 512 msiexec.exe Token: SeRestorePrivilege 512 msiexec.exe Token: SeRestorePrivilege 512 msiexec.exe Token: SeTakeOwnershipPrivilege 512 msiexec.exe Token: SeRestorePrivilege 512 msiexec.exe Token: SeTakeOwnershipPrivilege 512 msiexec.exe Token: SeRestorePrivilege 512 msiexec.exe Token: SeTakeOwnershipPrivilege 512 msiexec.exe Token: SeShutdownPrivilege 5048 MSI7991.tmp Token: SeBackupPrivilege 2968 srtasks.exe Token: SeRestorePrivilege 2968 srtasks.exe Token: SeSecurityPrivilege 2968 srtasks.exe Token: SeTakeOwnershipPrivilege 2968 srtasks.exe Token: SeBackupPrivilege 2968 srtasks.exe Token: SeRestorePrivilege 2968 srtasks.exe Token: SeSecurityPrivilege 2968 srtasks.exe Token: SeTakeOwnershipPrivilege 2968 srtasks.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1596 msiexec.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5048 MSI7991.tmp 5048 MSI7991.tmp -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 512 wrote to memory of 2968 512 msiexec.exe 110 PID 512 wrote to memory of 2968 512 msiexec.exe 110 PID 512 wrote to memory of 5048 512 msiexec.exe 112 PID 512 wrote to memory of 5048 512 msiexec.exe 112 PID 512 wrote to memory of 5048 512 msiexec.exe 112 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\7538dd6e69d0c65d2dc0eb091c3ced18.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1596
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:512 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:2968
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C:\Windows\Installer\MSI7991.tmp"C:\Windows\Installer\MSI7991.tmp"2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5048
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:4488