Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 12:43
Static task
static1
Behavioral task
behavioral1
Sample
9999.msi
Resource
win7-20231215-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
9999.msi
Resource
win10v2004-20231215-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
9999.msi
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Size
156KB
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MD5
ebda5dc3980cd9246488a9446ceab215
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SHA1
1b16b02d423eb8dcc57673390e666ed349a91030
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SHA256
cc49bdc9aef4d1448eae83b55e55723ad737dabaf4b9620f48728329ce6b6cf2
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SHA512
5641dc04318e177b0c10d726c4f3c0e3ece55b91f9f46f3a1deb4471f81bf37eb261341987437f3db0bceea2e58f5697c0d5b2f4653adf83319c3e4f8da487ce
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SSDEEP
384:iHpe4ZvJXK7gzFM7Wu81j9SaoXgZs+5BCq26yy3M5BCqPN:Zmxa7gBMyucjDCUyWMDC
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) \??\P: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Y: 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) \??\M: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: 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) \??\G: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File opened for modification C:\Windows\Installer\f76ea20.msi msiexec.exe File opened for modification C:\Windows\Installer\MSIEC23.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIEC73.tmp msiexec.exe File opened for modification C:\Windows\Installer\f76ea21.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f76ea20.msi msiexec.exe File created C:\Windows\Installer\f76ea21.ipi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 2888 MSIEC73.tmp -
Loads dropped DLL 2 IoCs
pid Process 2504 msiexec.exe 2504 msiexec.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\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\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\Policies\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2504 msiexec.exe 2504 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 61 IoCs
description pid Process Token: SeShutdownPrivilege 1216 msiexec.exe Token: SeIncreaseQuotaPrivilege 1216 msiexec.exe Token: SeRestorePrivilege 2504 msiexec.exe Token: SeTakeOwnershipPrivilege 2504 msiexec.exe Token: SeSecurityPrivilege 2504 msiexec.exe Token: SeCreateTokenPrivilege 1216 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1216 msiexec.exe Token: SeLockMemoryPrivilege 1216 msiexec.exe Token: SeIncreaseQuotaPrivilege 1216 msiexec.exe Token: SeMachineAccountPrivilege 1216 msiexec.exe Token: SeTcbPrivilege 1216 msiexec.exe Token: SeSecurityPrivilege 1216 msiexec.exe Token: SeTakeOwnershipPrivilege 1216 msiexec.exe Token: SeLoadDriverPrivilege 1216 msiexec.exe Token: SeSystemProfilePrivilege 1216 msiexec.exe Token: SeSystemtimePrivilege 1216 msiexec.exe Token: SeProfSingleProcessPrivilege 1216 msiexec.exe Token: SeIncBasePriorityPrivilege 1216 msiexec.exe Token: SeCreatePagefilePrivilege 1216 msiexec.exe Token: SeCreatePermanentPrivilege 1216 msiexec.exe Token: SeBackupPrivilege 1216 msiexec.exe Token: SeRestorePrivilege 1216 msiexec.exe Token: SeShutdownPrivilege 1216 msiexec.exe Token: SeDebugPrivilege 1216 msiexec.exe Token: SeAuditPrivilege 1216 msiexec.exe Token: SeSystemEnvironmentPrivilege 1216 msiexec.exe Token: SeChangeNotifyPrivilege 1216 msiexec.exe Token: SeRemoteShutdownPrivilege 1216 msiexec.exe Token: SeUndockPrivilege 1216 msiexec.exe Token: SeSyncAgentPrivilege 1216 msiexec.exe Token: SeEnableDelegationPrivilege 1216 msiexec.exe Token: SeManageVolumePrivilege 1216 msiexec.exe Token: SeImpersonatePrivilege 1216 msiexec.exe Token: SeCreateGlobalPrivilege 1216 msiexec.exe Token: SeBackupPrivilege 2312 vssvc.exe Token: SeRestorePrivilege 2312 vssvc.exe Token: SeAuditPrivilege 2312 vssvc.exe Token: SeBackupPrivilege 2504 msiexec.exe Token: SeRestorePrivilege 2504 msiexec.exe Token: SeRestorePrivilege 2684 DrvInst.exe Token: SeRestorePrivilege 2684 DrvInst.exe Token: SeRestorePrivilege 2684 DrvInst.exe Token: SeRestorePrivilege 2684 DrvInst.exe Token: SeRestorePrivilege 2684 DrvInst.exe Token: SeRestorePrivilege 2684 DrvInst.exe Token: SeRestorePrivilege 2684 DrvInst.exe Token: SeLoadDriverPrivilege 2684 DrvInst.exe Token: SeLoadDriverPrivilege 2684 DrvInst.exe Token: SeLoadDriverPrivilege 2684 DrvInst.exe Token: SeRestorePrivilege 2504 msiexec.exe Token: SeTakeOwnershipPrivilege 2504 msiexec.exe Token: SeRestorePrivilege 2504 msiexec.exe Token: SeTakeOwnershipPrivilege 2504 msiexec.exe Token: SeRestorePrivilege 2504 msiexec.exe Token: SeTakeOwnershipPrivilege 2504 msiexec.exe Token: SeRestorePrivilege 2504 msiexec.exe Token: SeTakeOwnershipPrivilege 2504 msiexec.exe Token: SeRestorePrivilege 2504 msiexec.exe Token: SeTakeOwnershipPrivilege 2504 msiexec.exe Token: SeRestorePrivilege 2504 msiexec.exe Token: SeTakeOwnershipPrivilege 2504 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1216 msiexec.exe 1216 msiexec.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2504 wrote to memory of 2888 2504 msiexec.exe 34 PID 2504 wrote to memory of 2888 2504 msiexec.exe 34 PID 2504 wrote to memory of 2888 2504 msiexec.exe 34 PID 2504 wrote to memory of 2916 2504 msiexec.exe 35 PID 2504 wrote to memory of 2916 2504 msiexec.exe 35 PID 2504 wrote to memory of 2916 2504 msiexec.exe 35 PID 2504 wrote to memory of 2916 2504 msiexec.exe 35 PID 2504 wrote to memory of 2916 2504 msiexec.exe 35 PID 2504 wrote to memory of 2916 2504 msiexec.exe 35 PID 2504 wrote to memory of 2916 2504 msiexec.exe 35 PID 2888 wrote to memory of 1720 2888 MSIEC73.tmp 36 PID 2888 wrote to memory of 1720 2888 MSIEC73.tmp 36 PID 2888 wrote to memory of 1720 2888 MSIEC73.tmp 36 -
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\9999.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1216
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\Installer\MSIEC73.tmp"C:\Windows\Installer\MSIEC73.tmp"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Windows\system32\cmd.execmd3⤵PID:1720
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 5CD731F58E1BDCDD56DFD4F1F3F496DB2⤵PID:2916
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2312
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000494" "0000000000000490"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2684
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
124KB
MD557e4ce0234325fcc001f2e465d14751c
SHA16767375014b90a73b53a7851e43b6fa8fddeda25
SHA25620507f00ba2b9da6ea725d676243b45da92f99fd9d6e3ab4d1c861ba31484ec8
SHA51233db14230d8c0ad89fd2dbc70c40a7391f506120d309027ee00c934734c9a6784958e265b74aff689393b5d627ad056a91475c84b05cf4f77e80c97e5abbcebf