Analysis
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max time kernel
145s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-01-2024 18:37
Behavioral task
behavioral1
Sample
7538dd6e69d0c65d2dc0eb091c3ced18.msi
Resource
win7-20231215-en
windows7-x64
12 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 1820 MSI25EA.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) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\W: msiexec.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 1820 MSI25EA.tmp 1820 MSI25EA.tmp 1820 MSI25EA.tmp 1820 MSI25EA.tmp -
Drops file in Windows directory 9 IoCs
description ioc Process File opened for modification C:\Windows\Installer\f7624df.msi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI25EA.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI25AA.tmp 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\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f7624df.msi msiexec.exe File created C:\Windows\Installer\f7624e2.ipi msiexec.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates 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\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates 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\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs 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\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2532 msiexec.exe 2532 msiexec.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1272 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 59 IoCs
description pid Process Token: SeShutdownPrivilege 1272 msiexec.exe Token: SeIncreaseQuotaPrivilege 1272 msiexec.exe Token: SeRestorePrivilege 2532 msiexec.exe Token: SeTakeOwnershipPrivilege 2532 msiexec.exe Token: SeSecurityPrivilege 2532 msiexec.exe Token: SeCreateTokenPrivilege 1272 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1272 msiexec.exe Token: SeLockMemoryPrivilege 1272 msiexec.exe Token: SeIncreaseQuotaPrivilege 1272 msiexec.exe Token: SeMachineAccountPrivilege 1272 msiexec.exe Token: SeTcbPrivilege 1272 msiexec.exe Token: SeSecurityPrivilege 1272 msiexec.exe Token: SeTakeOwnershipPrivilege 1272 msiexec.exe Token: SeLoadDriverPrivilege 1272 msiexec.exe Token: SeSystemProfilePrivilege 1272 msiexec.exe Token: SeSystemtimePrivilege 1272 msiexec.exe Token: SeProfSingleProcessPrivilege 1272 msiexec.exe Token: SeIncBasePriorityPrivilege 1272 msiexec.exe Token: SeCreatePagefilePrivilege 1272 msiexec.exe Token: SeCreatePermanentPrivilege 1272 msiexec.exe Token: SeBackupPrivilege 1272 msiexec.exe Token: SeRestorePrivilege 1272 msiexec.exe Token: SeShutdownPrivilege 1272 msiexec.exe Token: SeDebugPrivilege 1272 msiexec.exe Token: SeAuditPrivilege 1272 msiexec.exe Token: SeSystemEnvironmentPrivilege 1272 msiexec.exe Token: SeChangeNotifyPrivilege 1272 msiexec.exe Token: SeRemoteShutdownPrivilege 1272 msiexec.exe Token: SeUndockPrivilege 1272 msiexec.exe Token: SeSyncAgentPrivilege 1272 msiexec.exe Token: SeEnableDelegationPrivilege 1272 msiexec.exe Token: SeManageVolumePrivilege 1272 msiexec.exe Token: SeImpersonatePrivilege 1272 msiexec.exe Token: SeCreateGlobalPrivilege 1272 msiexec.exe Token: SeBackupPrivilege 2168 vssvc.exe Token: SeRestorePrivilege 2168 vssvc.exe Token: SeAuditPrivilege 2168 vssvc.exe Token: SeBackupPrivilege 2532 msiexec.exe Token: SeRestorePrivilege 2532 msiexec.exe Token: SeRestorePrivilege 2884 DrvInst.exe Token: SeRestorePrivilege 2884 DrvInst.exe Token: SeRestorePrivilege 2884 DrvInst.exe Token: SeRestorePrivilege 2884 DrvInst.exe Token: SeRestorePrivilege 2884 DrvInst.exe Token: SeRestorePrivilege 2884 DrvInst.exe Token: SeRestorePrivilege 2884 DrvInst.exe Token: SeLoadDriverPrivilege 2884 DrvInst.exe Token: SeLoadDriverPrivilege 2884 DrvInst.exe Token: SeLoadDriverPrivilege 2884 DrvInst.exe Token: SeRestorePrivilege 2532 msiexec.exe Token: SeTakeOwnershipPrivilege 2532 msiexec.exe Token: SeRestorePrivilege 2532 msiexec.exe Token: SeTakeOwnershipPrivilege 2532 msiexec.exe Token: SeRestorePrivilege 2532 msiexec.exe Token: SeTakeOwnershipPrivilege 2532 msiexec.exe Token: SeRestorePrivilege 2532 msiexec.exe Token: SeTakeOwnershipPrivilege 2532 msiexec.exe Token: SeDebugPrivilege 1820 MSI25EA.tmp Token: SeShutdownPrivilege 1820 MSI25EA.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1272 msiexec.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1820 MSI25EA.tmp 1820 MSI25EA.tmp -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2532 wrote to memory of 1820 2532 msiexec.exe 32 PID 2532 wrote to memory of 1820 2532 msiexec.exe 32 PID 2532 wrote to memory of 1820 2532 msiexec.exe 32 PID 2532 wrote to memory of 1820 2532 msiexec.exe 32 -
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 behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1272
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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:2532 -
C:\Windows\Installer\MSI25EA.tmp"C:\Windows\Installer\MSI25EA.tmp"2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1820
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2168
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003A0" "00000000000004C0"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2884
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.8MB
MD57f4cf5385ee25468ab2031d4e38c5ab8
SHA16b3253a4b7cc26942031d2b5cd8a3e05d9f35075
SHA25607e12cd459d8702fd7a5366e060dbca732a3d4353dd6aa84381f98eec53f5426
SHA512b8a25055753736fa162f67b381ebd5563c5b2f6a69a98ef56d88aeba760f4e596cebf2d3d5e949b2b9d433e5f4cda76f2657cf513a3e2dbb3c49785669835e8d