Analysis
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max time kernel
34s -
max time network
97s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
26/05/2023, 05:08
Static task
static1
Behavioral task
behavioral1
Sample
System.ERROR.Log.23796c45b1921f58409e4992c6809aee.msi
Resource
win7-20230220-en
windows7-x64
Behavioral task
behavioral2
Sample
System.ERROR.Log.23796c45b1921f58409e4992c6809aee.msi
Resource
win10v2004-20230220-en
windows10-2004-x64
General
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Target
System.ERROR.Log.23796c45b1921f58409e4992c6809aee.msi
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Size
6.0MB
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MD5
d2de6059c6167527bee666bea4db3ab6
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SHA1
1f1e5cc3b8513540e2576e52806646e9455c368c
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SHA256
1d872cfbdbcfdcbe4ac67935869aa0b917ecf04c23cf0cb84f7d143a8af201c0
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SHA512
9f718baa56eb6e334cd1381c30888cef35197b3d85095cc4916d1a3fb3778251d6e803aa8192d1c5813be60be059c47256f3e0633a79d003d3efdec976bb2754
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SSDEEP
3072:kF5GaVbfNNMFNjJfU7eyOp0q0fT8Am2FlwyT8KZf3Vi:kF5zfYjgOp0q0tT8qfc
Malware Config
Signatures
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Blocklisted process makes network request 3 IoCs
flow pid Process 2 1276 msiexec.exe 4 1276 msiexec.exe 5 1260 msiexec.exe -
Loads dropped DLL 1 IoCs
pid Process 788 MsiExec.exe -
Enumerates connected drives 3 TTPs 48 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: 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) \??\L: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\N: msiexec.exe -
Drops file in Windows directory 5 IoCs
description ioc Process 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\6c7eb2.msi msiexec.exe File opened for modification C:\Windows\Installer\6c7eb2.msi msiexec.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process 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\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\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\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs 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\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\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\Root\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\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates 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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates 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\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\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\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1260 msiexec.exe 1260 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1276 msiexec.exe Token: SeIncreaseQuotaPrivilege 1276 msiexec.exe Token: SeRestorePrivilege 1260 msiexec.exe Token: SeTakeOwnershipPrivilege 1260 msiexec.exe Token: SeSecurityPrivilege 1260 msiexec.exe Token: SeCreateTokenPrivilege 1276 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1276 msiexec.exe Token: SeLockMemoryPrivilege 1276 msiexec.exe Token: SeIncreaseQuotaPrivilege 1276 msiexec.exe Token: SeMachineAccountPrivilege 1276 msiexec.exe Token: SeTcbPrivilege 1276 msiexec.exe Token: SeSecurityPrivilege 1276 msiexec.exe Token: SeTakeOwnershipPrivilege 1276 msiexec.exe Token: SeLoadDriverPrivilege 1276 msiexec.exe Token: SeSystemProfilePrivilege 1276 msiexec.exe Token: SeSystemtimePrivilege 1276 msiexec.exe Token: SeProfSingleProcessPrivilege 1276 msiexec.exe Token: SeIncBasePriorityPrivilege 1276 msiexec.exe Token: SeCreatePagefilePrivilege 1276 msiexec.exe Token: SeCreatePermanentPrivilege 1276 msiexec.exe Token: SeBackupPrivilege 1276 msiexec.exe Token: SeRestorePrivilege 1276 msiexec.exe Token: SeShutdownPrivilege 1276 msiexec.exe Token: SeDebugPrivilege 1276 msiexec.exe Token: SeAuditPrivilege 1276 msiexec.exe Token: SeSystemEnvironmentPrivilege 1276 msiexec.exe Token: SeChangeNotifyPrivilege 1276 msiexec.exe Token: SeRemoteShutdownPrivilege 1276 msiexec.exe Token: SeUndockPrivilege 1276 msiexec.exe Token: SeSyncAgentPrivilege 1276 msiexec.exe Token: SeEnableDelegationPrivilege 1276 msiexec.exe Token: SeManageVolumePrivilege 1276 msiexec.exe Token: SeImpersonatePrivilege 1276 msiexec.exe Token: SeCreateGlobalPrivilege 1276 msiexec.exe Token: SeCreateTokenPrivilege 1276 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1276 msiexec.exe Token: SeLockMemoryPrivilege 1276 msiexec.exe Token: SeIncreaseQuotaPrivilege 1276 msiexec.exe Token: SeMachineAccountPrivilege 1276 msiexec.exe Token: SeTcbPrivilege 1276 msiexec.exe Token: SeSecurityPrivilege 1276 msiexec.exe Token: SeTakeOwnershipPrivilege 1276 msiexec.exe Token: SeLoadDriverPrivilege 1276 msiexec.exe Token: SeSystemProfilePrivilege 1276 msiexec.exe Token: SeSystemtimePrivilege 1276 msiexec.exe Token: SeProfSingleProcessPrivilege 1276 msiexec.exe Token: SeIncBasePriorityPrivilege 1276 msiexec.exe Token: SeCreatePagefilePrivilege 1276 msiexec.exe Token: SeCreatePermanentPrivilege 1276 msiexec.exe Token: SeBackupPrivilege 1276 msiexec.exe Token: SeRestorePrivilege 1276 msiexec.exe Token: SeShutdownPrivilege 1276 msiexec.exe Token: SeDebugPrivilege 1276 msiexec.exe Token: SeAuditPrivilege 1276 msiexec.exe Token: SeSystemEnvironmentPrivilege 1276 msiexec.exe Token: SeChangeNotifyPrivilege 1276 msiexec.exe Token: SeRemoteShutdownPrivilege 1276 msiexec.exe Token: SeUndockPrivilege 1276 msiexec.exe Token: SeSyncAgentPrivilege 1276 msiexec.exe Token: SeEnableDelegationPrivilege 1276 msiexec.exe Token: SeManageVolumePrivilege 1276 msiexec.exe Token: SeImpersonatePrivilege 1276 msiexec.exe Token: SeCreateGlobalPrivilege 1276 msiexec.exe Token: SeCreateTokenPrivilege 1276 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1276 msiexec.exe 1276 msiexec.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1260 wrote to memory of 788 1260 msiexec.exe 29 PID 1260 wrote to memory of 788 1260 msiexec.exe 29 PID 1260 wrote to memory of 788 1260 msiexec.exe 29 PID 1260 wrote to memory of 788 1260 msiexec.exe 29 PID 1260 wrote to memory of 788 1260 msiexec.exe 29 -
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\System.ERROR.Log.23796c45b1921f58409e4992c6809aee.msi1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1276
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Windows\system32\MsiExec.exeC:\Windows\system32\MsiExec.exe -Embedding B7D70E91E127BA99242915A5AD76C10E C2⤵
- Loads dropped DLL
PID:788
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:1544
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000004AC" "00000000000003E0"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:628
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
62KB
MD53ac860860707baaf32469fa7cc7c0192
SHA1c33c2acdaba0e6fa41fd2f00f186804722477639
SHA256d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904
SHA512d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c
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Filesize
62KB
MD53ac860860707baaf32469fa7cc7c0192
SHA1c33c2acdaba0e6fa41fd2f00f186804722477639
SHA256d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904
SHA512d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c
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Filesize
959B
MD5d5e98140c51869fc462c8975620faa78
SHA107e032e020b72c3f192f0628a2593a19a70f069e
SHA2565c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e
SHA5129bd164cc4b9ef07386762d3775c6d9528b82d4a9dc508c3040104b8d41cfec52eb0b7e6f8dc47c5021ce2fe3ca542c4ae2b54fd02d76b0eabd9724484621a105
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5d03fa39979c5c934feef08d29cb9ea9b
SHA159d8678ecbafb820bb52e994cbd81f4f44027ec5
SHA256d2b5cb53ccc13bb8953bef973c0f1804161470ea85a79a9a80d8c58b6cddb552
SHA5125aaaaf11ef862576b893bec6dbe5b34f73693c3cb7e95c42e6c11c58d774c990aa515e1b08468ea93cf2b923414997ef8e2310e4efdc5565420d94a3dcfe3fa3
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\ED90CF98D7FAD71C274722E4F54A256C
Filesize206B
MD54e10c19a72b754c6f1afbf4dcf212c9c
SHA1b792184a3cfb804fcc1b4b1be929ee835002ae81
SHA2565969007b27e4ded5cc829f72bce6306130a7dd09aa4a8cb56b48aeff5591381e
SHA512f310f0848cf9dcad933f91885dfbc05ba05b91118f1a377b32fb198bffd65605d8edf199e9a4b59ffc07ed8d2876085775ffdf3cb44e638c69b95e359e2b25c9
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Filesize
61KB
MD5fc4666cbca561e864e7fdf883a9e6661
SHA12f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5
SHA25610f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b
SHA512c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d
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Filesize
77KB
MD5fe633b7b6ae55f19b183a057c14dc0b1
SHA1f9fc3828bf0f012d0c0593bf3024c6c383c20e7d
SHA256863230887b76c224113eca33e0df6edce5e607e2f19255015611f70de46a675f
SHA512e9f7676f4be6431fee31afe6d9408237194dc83e4a12e2798d17cafcb060c81e53c5d047b518feb9fb2e851862fd41daadaea73ce2a03fa7cd19add621f93ec4
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Filesize
164KB
MD54ff65ad929cd9a367680e0e5b1c08166
SHA1c0af0d4396bd1f15c45f39d3b849ba444233b3a2
SHA256c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
SHA512f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27
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Filesize
161KB
MD573b4b714b42fc9a6aaefd0ae59adb009
SHA1efdaffd5b0ad21913d22001d91bf6c19ecb4ac41
SHA256c0cf8cc04c34b5b80a2d86ad0eafb2dd71436f070c86b0321fba0201879625fd
SHA51273af3c51b15f89237552b1718bef21fd80788fa416bab2cb2e7fb3a60d56249a716eda0d2dd68ab643752272640e7eaaaf57ce64bcb38373ddc3d035fb8d57cd
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Filesize
77KB
MD5fe633b7b6ae55f19b183a057c14dc0b1
SHA1f9fc3828bf0f012d0c0593bf3024c6c383c20e7d
SHA256863230887b76c224113eca33e0df6edce5e607e2f19255015611f70de46a675f
SHA512e9f7676f4be6431fee31afe6d9408237194dc83e4a12e2798d17cafcb060c81e53c5d047b518feb9fb2e851862fd41daadaea73ce2a03fa7cd19add621f93ec4