Analysis
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max time kernel
136s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
02-04-2024 10:38
Static task
static1
Behavioral task
behavioral1
Sample
build-x64.msi
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
build-x64.msi
Resource
win10v2004-20240226-en
General
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Target
build-x64.msi
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Size
5.8MB
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MD5
9c02a9298b97fcfc5a75fbedf08002bd
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SHA1
2d3bc2856c015914f2856331a0315298f3c34b0c
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SHA256
693ff5db0a085db5094bb96cd4c0ce1d1d3fdc2fbf6b92c32836f3e61a089e7a
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SHA512
fafe5dddb610068cb1044c803a6d681d1739904d8e0c4b2b0fc05bcd55cf9344f69e77c8627ae73713f759117d81a78855ff937ee8650b47ab18d37cb9ca34bc
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SSDEEP
49152:ppUP3UhtSTK+0THkWsN8SDYdvH5eoQDWhbHHhZgWEF94FJy5jvrgFdbBUleY82cp:pp6nFDkEWoyvy5jvcdbBUkYC+XCFmpC
Malware Config
Signatures
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Blocklisted process makes network request 3 IoCs
flow pid Process 3 2628 msiexec.exe 7 2628 msiexec.exe 10 2628 msiexec.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: 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 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 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 -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeShutdownPrivilege 2628 msiexec.exe Token: SeIncreaseQuotaPrivilege 2628 msiexec.exe Token: SeSecurityPrivilege 560 msiexec.exe Token: SeCreateTokenPrivilege 2628 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2628 msiexec.exe Token: SeLockMemoryPrivilege 2628 msiexec.exe Token: SeIncreaseQuotaPrivilege 2628 msiexec.exe Token: SeMachineAccountPrivilege 2628 msiexec.exe Token: SeTcbPrivilege 2628 msiexec.exe Token: SeSecurityPrivilege 2628 msiexec.exe Token: SeTakeOwnershipPrivilege 2628 msiexec.exe Token: SeLoadDriverPrivilege 2628 msiexec.exe Token: SeSystemProfilePrivilege 2628 msiexec.exe Token: SeSystemtimePrivilege 2628 msiexec.exe Token: SeProfSingleProcessPrivilege 2628 msiexec.exe Token: SeIncBasePriorityPrivilege 2628 msiexec.exe Token: SeCreatePagefilePrivilege 2628 msiexec.exe Token: SeCreatePermanentPrivilege 2628 msiexec.exe Token: SeBackupPrivilege 2628 msiexec.exe Token: SeRestorePrivilege 2628 msiexec.exe Token: SeShutdownPrivilege 2628 msiexec.exe Token: SeDebugPrivilege 2628 msiexec.exe Token: SeAuditPrivilege 2628 msiexec.exe Token: SeSystemEnvironmentPrivilege 2628 msiexec.exe Token: SeChangeNotifyPrivilege 2628 msiexec.exe Token: SeRemoteShutdownPrivilege 2628 msiexec.exe Token: SeUndockPrivilege 2628 msiexec.exe Token: SeSyncAgentPrivilege 2628 msiexec.exe Token: SeEnableDelegationPrivilege 2628 msiexec.exe Token: SeManageVolumePrivilege 2628 msiexec.exe Token: SeImpersonatePrivilege 2628 msiexec.exe Token: SeCreateGlobalPrivilege 2628 msiexec.exe Token: SeBackupPrivilege 3808 vssvc.exe Token: SeRestorePrivilege 3808 vssvc.exe Token: SeAuditPrivilege 3808 vssvc.exe Token: SeBackupPrivilege 560 msiexec.exe Token: SeRestorePrivilege 560 msiexec.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2628 msiexec.exe -
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\build-x64.msi1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2628
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:560
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:3808