Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
29-07-2024 12:13
Static task
static1
Behavioral task
behavioral1
Sample
41ef278a866d57e3c81882e4ad7f6d04ae6b066cfd5632120d9ac4332d66753e.msi
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
41ef278a866d57e3c81882e4ad7f6d04ae6b066cfd5632120d9ac4332d66753e.msi
Resource
win10v2004-20240709-en
General
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Target
41ef278a866d57e3c81882e4ad7f6d04ae6b066cfd5632120d9ac4332d66753e.msi
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Size
96KB
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MD5
42ad49ed99c0d41a820316309bc2c3b3
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SHA1
f447a72b3cbea72e1b56fda8f44fd9f304b4474a
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SHA256
41ef278a866d57e3c81882e4ad7f6d04ae6b066cfd5632120d9ac4332d66753e
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SHA512
4e0af295dc656ad70361363c77646fb899a1ff4a816790959e090125bdba2089eb058dfa2b18bdcede34b45d9420b6f57c0db6aefa32f9799eccec3f163bdf75
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SSDEEP
1536:kiqCWq/Gf2CJ7ZrhzZr98n+lW0D80D+7fxun:xqCWqu+q8nLLxun
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) \??\B: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: 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) \??\N: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: 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) \??\G: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe -
Drops file in Windows directory 11 IoCs
description ioc Process File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f7718fe.ipi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI1A35.tmp msiexec.exe File created C:\Windows\Installer\f771900.msi msiexec.exe File opened for modification C:\Windows\Installer\f7718fe.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 created C:\Windows\Installer\f7718fd.msi msiexec.exe File opened for modification C:\Windows\Installer\f7718fd.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI1AF1.tmp msiexec.exe -
Loads dropped DLL 1 IoCs
pid Process 2288 MsiExec.exe -
Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 332 msiexec.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process 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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\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\Root 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\Certificates 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\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs 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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs 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\CA\CRLs 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\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\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\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\Policies\Microsoft\SystemCertificates\CA\CTLs 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\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2380 msiexec.exe 2380 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 332 msiexec.exe Token: SeIncreaseQuotaPrivilege 332 msiexec.exe Token: SeRestorePrivilege 2380 msiexec.exe Token: SeTakeOwnershipPrivilege 2380 msiexec.exe Token: SeSecurityPrivilege 2380 msiexec.exe Token: SeCreateTokenPrivilege 332 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 332 msiexec.exe Token: SeLockMemoryPrivilege 332 msiexec.exe Token: SeIncreaseQuotaPrivilege 332 msiexec.exe Token: SeMachineAccountPrivilege 332 msiexec.exe Token: SeTcbPrivilege 332 msiexec.exe Token: SeSecurityPrivilege 332 msiexec.exe Token: SeTakeOwnershipPrivilege 332 msiexec.exe Token: SeLoadDriverPrivilege 332 msiexec.exe Token: SeSystemProfilePrivilege 332 msiexec.exe Token: SeSystemtimePrivilege 332 msiexec.exe Token: SeProfSingleProcessPrivilege 332 msiexec.exe Token: SeIncBasePriorityPrivilege 332 msiexec.exe Token: SeCreatePagefilePrivilege 332 msiexec.exe Token: SeCreatePermanentPrivilege 332 msiexec.exe Token: SeBackupPrivilege 332 msiexec.exe Token: SeRestorePrivilege 332 msiexec.exe Token: SeShutdownPrivilege 332 msiexec.exe Token: SeDebugPrivilege 332 msiexec.exe Token: SeAuditPrivilege 332 msiexec.exe Token: SeSystemEnvironmentPrivilege 332 msiexec.exe Token: SeChangeNotifyPrivilege 332 msiexec.exe Token: SeRemoteShutdownPrivilege 332 msiexec.exe Token: SeUndockPrivilege 332 msiexec.exe Token: SeSyncAgentPrivilege 332 msiexec.exe Token: SeEnableDelegationPrivilege 332 msiexec.exe Token: SeManageVolumePrivilege 332 msiexec.exe Token: SeImpersonatePrivilege 332 msiexec.exe Token: SeCreateGlobalPrivilege 332 msiexec.exe Token: SeBackupPrivilege 1696 vssvc.exe Token: SeRestorePrivilege 1696 vssvc.exe Token: SeAuditPrivilege 1696 vssvc.exe Token: SeBackupPrivilege 2380 msiexec.exe Token: SeRestorePrivilege 2380 msiexec.exe Token: SeRestorePrivilege 2584 DrvInst.exe Token: SeRestorePrivilege 2584 DrvInst.exe Token: SeRestorePrivilege 2584 DrvInst.exe Token: SeRestorePrivilege 2584 DrvInst.exe Token: SeRestorePrivilege 2584 DrvInst.exe Token: SeRestorePrivilege 2584 DrvInst.exe Token: SeRestorePrivilege 2584 DrvInst.exe Token: SeLoadDriverPrivilege 2584 DrvInst.exe Token: SeLoadDriverPrivilege 2584 DrvInst.exe Token: SeLoadDriverPrivilege 2584 DrvInst.exe Token: SeRestorePrivilege 2380 msiexec.exe Token: SeTakeOwnershipPrivilege 2380 msiexec.exe Token: SeRestorePrivilege 2380 msiexec.exe Token: SeTakeOwnershipPrivilege 2380 msiexec.exe Token: SeRestorePrivilege 2380 msiexec.exe Token: SeTakeOwnershipPrivilege 2380 msiexec.exe Token: SeRestorePrivilege 2380 msiexec.exe Token: SeTakeOwnershipPrivilege 2380 msiexec.exe Token: SeRestorePrivilege 2380 msiexec.exe Token: SeTakeOwnershipPrivilege 2380 msiexec.exe Token: SeRestorePrivilege 2380 msiexec.exe Token: SeTakeOwnershipPrivilege 2380 msiexec.exe Token: SeRestorePrivilege 2380 msiexec.exe Token: SeTakeOwnershipPrivilege 2380 msiexec.exe Token: SeRestorePrivilege 2380 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 332 msiexec.exe 332 msiexec.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2380 wrote to memory of 2288 2380 msiexec.exe 35 PID 2380 wrote to memory of 2288 2380 msiexec.exe 35 PID 2380 wrote to memory of 2288 2380 msiexec.exe 35 PID 2380 wrote to memory of 2288 2380 msiexec.exe 35 PID 2380 wrote to memory of 2288 2380 msiexec.exe 35 -
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\41ef278a866d57e3c81882e4ad7f6d04ae6b066cfd5632120d9ac4332d66753e.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:332
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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:2380 -
C:\Windows\system32\MsiExec.exeC:\Windows\system32\MsiExec.exe -Embedding 99B60E0331532463D059CF52C0C4DF2E2⤵
- Loads dropped DLL
PID:2288
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1696
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003BC" "00000000000005D8"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2584
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
7KB
MD52700210874d6482cf5b77c5f7d1f0da9
SHA182df5815294aa8dd8c5bb895d80929b0d9737e6f
SHA256a14957c065b7d1722ba0120692ccc8dd34370dc7e5d8c8ee2c2619ba44b0a7b3
SHA512c141d1ea3dac5f421c3c2399807e7c206bd983338dca3c45f6a62a6c638a75d27bfc2940e41ad283c033f1c21425bbdcf9117e753c39a513ae84b92f205bd5d6
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Filesize
56KB
MD591de8a79098ac3d20726e1acb50cd05d
SHA19cb04003c75f0cb63fe0c6dcd22a0c64d63154be
SHA25654f8d71fb3117854743d594aa28427b943e5b2fb46f6003dbf4a9b562ebbfcea
SHA51270cf1fe2c4d9b68c12b30df9013c4a1fd5b5a9fef1de704a42535259d1196b35eca6191270b19dedc4d3699b8211868b6b31a5ae3cccdc24711fb335fc32edc3
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Filesize
96KB
MD542ad49ed99c0d41a820316309bc2c3b3
SHA1f447a72b3cbea72e1b56fda8f44fd9f304b4474a
SHA25641ef278a866d57e3c81882e4ad7f6d04ae6b066cfd5632120d9ac4332d66753e
SHA5124e0af295dc656ad70361363c77646fb899a1ff4a816790959e090125bdba2089eb058dfa2b18bdcede34b45d9420b6f57c0db6aefa32f9799eccec3f163bdf75