Analysis
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max time kernel
118s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
10-10-2023 01:46
Static task
static1
Behavioral task
behavioral1
Sample
7a6b9f54255bb9b541bfe380d908beff.msi
Resource
win7-20230831-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
7a6b9f54255bb9b541bfe380d908beff.msi
Resource
win10v2004-20230915-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
7a6b9f54255bb9b541bfe380d908beff.msi
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Size
156KB
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MD5
7a6b9f54255bb9b541bfe380d908beff
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SHA1
6ee8bc85cfb60f081118384c2eeb95743a433ddb
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SHA256
e5a0cc7fa478c96aa89a2329a5edd0a31c30dad7c6791a6057b8e4435a5c989a
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SHA512
32644d3ceb064cf1e0d5f80b6760c3eef0f9bf7a377b880dff3276786e4713b240e55bf86220f9f272a748b76069037e6ddfd843caf5ab588303669c4ff4b5f5
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SSDEEP
384:iHpe4ZvJXK7gzFM7Wu5oXgZs+5BCq26yy3M5BCqPN:Zmxa7gBMyurDCUyWMDC
Score
6/10
Malware Config
Signatures
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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) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\B: msiexec.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\f76e39b.msi msiexec.exe File created C:\Windows\Installer\f76e39c.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSIE63C.tmp msiexec.exe File opened for modification C:\Windows\Installer\f76e39c.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSIE5DC.tmp msiexec.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f76e39b.msi msiexec.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2784 msiexec.exe 2784 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 61 IoCs
description pid Process Token: SeShutdownPrivilege 2232 msiexec.exe Token: SeIncreaseQuotaPrivilege 2232 msiexec.exe Token: SeRestorePrivilege 2784 msiexec.exe Token: SeTakeOwnershipPrivilege 2784 msiexec.exe Token: SeSecurityPrivilege 2784 msiexec.exe Token: SeCreateTokenPrivilege 2232 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2232 msiexec.exe Token: SeLockMemoryPrivilege 2232 msiexec.exe Token: SeIncreaseQuotaPrivilege 2232 msiexec.exe Token: SeMachineAccountPrivilege 2232 msiexec.exe Token: SeTcbPrivilege 2232 msiexec.exe Token: SeSecurityPrivilege 2232 msiexec.exe Token: SeTakeOwnershipPrivilege 2232 msiexec.exe Token: SeLoadDriverPrivilege 2232 msiexec.exe Token: SeSystemProfilePrivilege 2232 msiexec.exe Token: SeSystemtimePrivilege 2232 msiexec.exe Token: SeProfSingleProcessPrivilege 2232 msiexec.exe Token: SeIncBasePriorityPrivilege 2232 msiexec.exe Token: SeCreatePagefilePrivilege 2232 msiexec.exe Token: SeCreatePermanentPrivilege 2232 msiexec.exe Token: SeBackupPrivilege 2232 msiexec.exe Token: SeRestorePrivilege 2232 msiexec.exe Token: SeShutdownPrivilege 2232 msiexec.exe Token: SeDebugPrivilege 2232 msiexec.exe Token: SeAuditPrivilege 2232 msiexec.exe Token: SeSystemEnvironmentPrivilege 2232 msiexec.exe Token: SeChangeNotifyPrivilege 2232 msiexec.exe Token: SeRemoteShutdownPrivilege 2232 msiexec.exe Token: SeUndockPrivilege 2232 msiexec.exe Token: SeSyncAgentPrivilege 2232 msiexec.exe Token: SeEnableDelegationPrivilege 2232 msiexec.exe Token: SeManageVolumePrivilege 2232 msiexec.exe Token: SeImpersonatePrivilege 2232 msiexec.exe Token: SeCreateGlobalPrivilege 2232 msiexec.exe Token: SeBackupPrivilege 2180 vssvc.exe Token: SeRestorePrivilege 2180 vssvc.exe Token: SeAuditPrivilege 2180 vssvc.exe Token: SeBackupPrivilege 2784 msiexec.exe Token: SeRestorePrivilege 2784 msiexec.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeLoadDriverPrivilege 2664 DrvInst.exe Token: SeLoadDriverPrivilege 2664 DrvInst.exe Token: SeLoadDriverPrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2784 msiexec.exe Token: SeTakeOwnershipPrivilege 2784 msiexec.exe Token: SeRestorePrivilege 2784 msiexec.exe Token: SeTakeOwnershipPrivilege 2784 msiexec.exe Token: SeRestorePrivilege 2784 msiexec.exe Token: SeTakeOwnershipPrivilege 2784 msiexec.exe Token: SeRestorePrivilege 2784 msiexec.exe Token: SeTakeOwnershipPrivilege 2784 msiexec.exe Token: SeRestorePrivilege 2784 msiexec.exe Token: SeTakeOwnershipPrivilege 2784 msiexec.exe Token: SeRestorePrivilege 2784 msiexec.exe Token: SeTakeOwnershipPrivilege 2784 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2232 msiexec.exe 2232 msiexec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2784 wrote to memory of 1492 2784 msiexec.exe 34 PID 2784 wrote to memory of 1492 2784 msiexec.exe 34 PID 2784 wrote to memory of 1492 2784 msiexec.exe 34 PID 2784 wrote to memory of 1492 2784 msiexec.exe 34 PID 2784 wrote to memory of 1492 2784 msiexec.exe 34 PID 2784 wrote to memory of 1492 2784 msiexec.exe 34 PID 2784 wrote to memory of 1492 2784 msiexec.exe 34 -
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\7a6b9f54255bb9b541bfe380d908beff.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2232
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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:2784 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding ADC081DFDEC1CED038563C71DCA317542⤵PID:1492
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2180
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000032C" "00000000000005C0"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2664