Analysis
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max time kernel
135s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2023, 23:41
Static task
static1
Behavioral task
behavioral1
Sample
microsoft_update.msi
Resource
win7-20230220-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
microsoft_update.msi
Resource
win10v2004-20230220-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
microsoft_update.msi
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Size
156KB
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MD5
3dd9945d005ea0f444f0130b00775fa6
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SHA1
fd78a5c757df34effd3958051cb28c3f27c52b04
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SHA256
dc49169e6add3a466d2a9637576de136b40f290cb7020c847e2f7ab1e4e79e93
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SHA512
c7f0dd9d6681bf3da4a5bdb21e7e3eab391e9546400ba807640cdcd8024be542cd6aa28f3ba3c97a3def433e7f57d2b3684ac4ee40574a0e606ec7317a546937
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SSDEEP
384:UHpCsZ3rBKNTgzFDSWLQEi5ooXgZsjBCq2g5Pyy3M5BCqPN:/S3tGTgBDdL+FCeyWMDC
Score
7/10
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 340 MSIEE6D.tmp -
Enumerates connected drives 3 TTPs 48 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) \??\Q: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\J: 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) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe -
Drops file in Windows directory 8 IoCs
description ioc Process File created C:\Windows\Installer\e56ed14.msi msiexec.exe File opened for modification C:\Windows\Installer\e56ed14.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File created C:\Windows\Installer\SourceHash{4B04965E-0435-470C-BF97-8AF3EBCA18E3} msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSIEE2D.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIEE6D.tmp 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 3744 msiexec.exe 3744 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 57 IoCs
description pid Process Token: SeShutdownPrivilege 3832 msiexec.exe Token: SeIncreaseQuotaPrivilege 3832 msiexec.exe Token: SeSecurityPrivilege 3744 msiexec.exe Token: SeCreateTokenPrivilege 3832 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3832 msiexec.exe Token: SeLockMemoryPrivilege 3832 msiexec.exe Token: SeIncreaseQuotaPrivilege 3832 msiexec.exe Token: SeMachineAccountPrivilege 3832 msiexec.exe Token: SeTcbPrivilege 3832 msiexec.exe Token: SeSecurityPrivilege 3832 msiexec.exe Token: SeTakeOwnershipPrivilege 3832 msiexec.exe Token: SeLoadDriverPrivilege 3832 msiexec.exe Token: SeSystemProfilePrivilege 3832 msiexec.exe Token: SeSystemtimePrivilege 3832 msiexec.exe Token: SeProfSingleProcessPrivilege 3832 msiexec.exe Token: SeIncBasePriorityPrivilege 3832 msiexec.exe Token: SeCreatePagefilePrivilege 3832 msiexec.exe Token: SeCreatePermanentPrivilege 3832 msiexec.exe Token: SeBackupPrivilege 3832 msiexec.exe Token: SeRestorePrivilege 3832 msiexec.exe Token: SeShutdownPrivilege 3832 msiexec.exe Token: SeDebugPrivilege 3832 msiexec.exe Token: SeAuditPrivilege 3832 msiexec.exe Token: SeSystemEnvironmentPrivilege 3832 msiexec.exe Token: SeChangeNotifyPrivilege 3832 msiexec.exe Token: SeRemoteShutdownPrivilege 3832 msiexec.exe Token: SeUndockPrivilege 3832 msiexec.exe Token: SeSyncAgentPrivilege 3832 msiexec.exe Token: SeEnableDelegationPrivilege 3832 msiexec.exe Token: SeManageVolumePrivilege 3832 msiexec.exe Token: SeImpersonatePrivilege 3832 msiexec.exe Token: SeCreateGlobalPrivilege 3832 msiexec.exe Token: SeBackupPrivilege 5040 vssvc.exe Token: SeRestorePrivilege 5040 vssvc.exe Token: SeAuditPrivilege 5040 vssvc.exe Token: SeBackupPrivilege 3744 msiexec.exe Token: SeRestorePrivilege 3744 msiexec.exe Token: SeRestorePrivilege 3744 msiexec.exe Token: SeTakeOwnershipPrivilege 3744 msiexec.exe Token: SeRestorePrivilege 3744 msiexec.exe Token: SeTakeOwnershipPrivilege 3744 msiexec.exe Token: SeRestorePrivilege 3744 msiexec.exe Token: SeTakeOwnershipPrivilege 3744 msiexec.exe Token: SeRestorePrivilege 3744 msiexec.exe Token: SeTakeOwnershipPrivilege 3744 msiexec.exe Token: SeRestorePrivilege 3744 msiexec.exe Token: SeTakeOwnershipPrivilege 3744 msiexec.exe Token: SeRestorePrivilege 3744 msiexec.exe Token: SeTakeOwnershipPrivilege 3744 msiexec.exe Token: SeBackupPrivilege 2860 srtasks.exe Token: SeRestorePrivilege 2860 srtasks.exe Token: SeSecurityPrivilege 2860 srtasks.exe Token: SeTakeOwnershipPrivilege 2860 srtasks.exe Token: SeBackupPrivilege 2860 srtasks.exe Token: SeRestorePrivilege 2860 srtasks.exe Token: SeSecurityPrivilege 2860 srtasks.exe Token: SeTakeOwnershipPrivilege 2860 srtasks.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3832 msiexec.exe 3832 msiexec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3744 wrote to memory of 2860 3744 msiexec.exe 95 PID 3744 wrote to memory of 2860 3744 msiexec.exe 95 PID 3744 wrote to memory of 340 3744 msiexec.exe 98 PID 3744 wrote to memory of 340 3744 msiexec.exe 98 PID 3744 wrote to memory of 2388 3744 msiexec.exe 99 PID 3744 wrote to memory of 2388 3744 msiexec.exe 99 PID 3744 wrote to memory of 2388 3744 msiexec.exe 99 -
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\microsoft_update.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3832
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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:3744 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:2860
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C:\Windows\Installer\MSIEE6D.tmp"C:\Windows\Installer\MSIEE6D.tmp"2⤵
- Executes dropped EXE
PID:340
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding FE4F447D77DDEF22481E338A5ACBAC072⤵PID:2388
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:5040
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
124KB
MD599bc58c0db7da90b0b7348ec84218540
SHA16c5519e4a98ff120e1565ee288090e64fce7753a
SHA256c6cc696dd368cbb220cfbd822ca256d720ccbadaa30cd4b05f546e29dd86372e
SHA512548f51a3bea89880da474b99362ffe0e4e00897ed188577b5368bd4d77154f154e6b2c009e1b39d8bcda001ab4a469ef023f7fb490e44eab02c88ab0cbe056a1
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Filesize
124KB
MD599bc58c0db7da90b0b7348ec84218540
SHA16c5519e4a98ff120e1565ee288090e64fce7753a
SHA256c6cc696dd368cbb220cfbd822ca256d720ccbadaa30cd4b05f546e29dd86372e
SHA512548f51a3bea89880da474b99362ffe0e4e00897ed188577b5368bd4d77154f154e6b2c009e1b39d8bcda001ab4a469ef023f7fb490e44eab02c88ab0cbe056a1
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Filesize
23.0MB
MD55309974e0f63b2c42c3e9e52faacb61b
SHA1d64d868c9abf7e9e22cb5507c3722bcbb236a162
SHA256c3206bb82aea3b22341cd01d7a6d5e35094572338b67290f5a90e5909be04c92
SHA51231163bcfa142bac8e704bcd94d349de36aa4d4037e34b1a13cf2c6c280db41dc10168255ff4fc5ca980080bee43ce0dd77468555d39a456fb09217b2dac12b90
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\??\Volume{4cc777a5-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{d8494c3b-c5c6-4af0-9a8c-763ed41628e9}_OnDiskSnapshotProp
Filesize5KB
MD5eda3c0fa71d004b46d1078dad2cd3b60
SHA158b8237353d99d5d2c5f95522614e60f6bfead2b
SHA2568c12fe8f0aadb09e9566ea9356d8d78d0a9d95284c0badd7ad5f655075943fac
SHA512551049dbe2706b134bc9dbe861dc91c3c104f0c3b1ede38be4346bd568f75db283e8a8ae5669ccf0566380ad5d9bb7c1f069be3deab390432a7bb5f5b002a0b4