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Overview
overview
7Static
static
3SETUP.bat
windows7-x64
7SETUP.bat
windows10-2004-x64
6UPGRADE.bat
windows7-x64
1UPGRADE.bat
windows10-2004-x64
1postgresql...nt.msi
windows7-x64
7postgresql...nt.msi
windows10-2004-x64
7postgresql-8.3.msi
windows7-x64
7postgresql-8.3.msi
windows10-2004-x64
7vcredist_x86.exe
windows7-x64
6vcredist_x86.exe
windows10-2004-x64
6Analysis
-
max time kernel
184s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20231025-en -
resource tags
arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system -
submitted
07/11/2023, 14:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
SETUP.bat
Resource
win7-20231023-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
SETUP.bat
Resource
win10v2004-20231020-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral3
Sample
UPGRADE.bat
Resource
win7-20231023-en
windows7-x64
0 signatures
150 seconds
Behavioral task
behavioral4
Sample
UPGRADE.bat
Resource
win10v2004-20231023-en
windows10-2004-x64
0 signatures
150 seconds
Behavioral task
behavioral5
Sample
postgresql-8.3-int.msi
Resource
win7-20231020-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral6
Sample
postgresql-8.3-int.msi
Resource
win10v2004-20231023-en
windows10-2004-x64
5 signatures
150 seconds
Behavioral task
behavioral7
Sample
postgresql-8.3.msi
Resource
win7-20231023-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral8
Sample
postgresql-8.3.msi
Resource
win10v2004-20231023-en
windows10-2004-x64
5 signatures
150 seconds
Behavioral task
behavioral9
Sample
vcredist_x86.exe
Resource
win7-20231025-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral10
Sample
vcredist_x86.exe
Resource
win10v2004-20231025-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
vcredist_x86.exe
-
Size
2.6MB
-
MD5
1f8e9fec647700b21d45e6cda97c39b7
-
SHA1
037288ee51553f84498ae4873c357d367d1a3667
-
SHA256
9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161
-
SHA512
42f6ca3456951f3e85024444e513f424add6eda9f4807bf84c91dc8ccb623be6a8e83dc40a8b6a1bc2c6fd080f2c51b719ead1422e9d1c1079795ec70953a1ad
-
SSDEEP
49152:IJFEcHcHfnIpvSUxuB4vkjfCSfil3ObWcrJhxSkm6Fo4Ea0g/I2Pz7citcU7tmLq:S2c8gfd87CQgu9xNpW4t/Ic7csd7t0q
Score
6/10
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" vcredist_x86.exe -
Enumerates connected drives 3 TTPs 23 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) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe -
Drops file in Windows directory 3 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 -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\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\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\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\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\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\CRLs 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\Disallowed\CRLs 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\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2760 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeShutdownPrivilege 2760 msiexec.exe Token: SeIncreaseQuotaPrivilege 2760 msiexec.exe Token: SeRestorePrivilege 2052 msiexec.exe Token: SeTakeOwnershipPrivilege 2052 msiexec.exe Token: SeSecurityPrivilege 2052 msiexec.exe Token: SeCreateTokenPrivilege 2760 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2760 msiexec.exe Token: SeLockMemoryPrivilege 2760 msiexec.exe Token: SeIncreaseQuotaPrivilege 2760 msiexec.exe Token: SeMachineAccountPrivilege 2760 msiexec.exe Token: SeTcbPrivilege 2760 msiexec.exe Token: SeSecurityPrivilege 2760 msiexec.exe Token: SeTakeOwnershipPrivilege 2760 msiexec.exe Token: SeLoadDriverPrivilege 2760 msiexec.exe Token: SeSystemProfilePrivilege 2760 msiexec.exe Token: SeSystemtimePrivilege 2760 msiexec.exe Token: SeProfSingleProcessPrivilege 2760 msiexec.exe Token: SeIncBasePriorityPrivilege 2760 msiexec.exe Token: SeCreatePagefilePrivilege 2760 msiexec.exe Token: SeCreatePermanentPrivilege 2760 msiexec.exe Token: SeBackupPrivilege 2760 msiexec.exe Token: SeRestorePrivilege 2760 msiexec.exe Token: SeShutdownPrivilege 2760 msiexec.exe Token: SeDebugPrivilege 2760 msiexec.exe Token: SeAuditPrivilege 2760 msiexec.exe Token: SeSystemEnvironmentPrivilege 2760 msiexec.exe Token: SeChangeNotifyPrivilege 2760 msiexec.exe Token: SeRemoteShutdownPrivilege 2760 msiexec.exe Token: SeUndockPrivilege 2760 msiexec.exe Token: SeSyncAgentPrivilege 2760 msiexec.exe Token: SeEnableDelegationPrivilege 2760 msiexec.exe Token: SeManageVolumePrivilege 2760 msiexec.exe Token: SeImpersonatePrivilege 2760 msiexec.exe Token: SeCreateGlobalPrivilege 2760 msiexec.exe Token: SeBackupPrivilege 2100 vssvc.exe Token: SeRestorePrivilege 2100 vssvc.exe Token: SeAuditPrivilege 2100 vssvc.exe Token: SeBackupPrivilege 2052 msiexec.exe Token: SeRestorePrivilege 2052 msiexec.exe Token: SeRestorePrivilege 1608 DrvInst.exe Token: SeRestorePrivilege 1608 DrvInst.exe Token: SeRestorePrivilege 1608 DrvInst.exe Token: SeRestorePrivilege 1608 DrvInst.exe Token: SeRestorePrivilege 1608 DrvInst.exe Token: SeRestorePrivilege 1608 DrvInst.exe Token: SeRestorePrivilege 1608 DrvInst.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2760 msiexec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2756 wrote to memory of 2760 2756 vcredist_x86.exe 29 PID 2756 wrote to memory of 2760 2756 vcredist_x86.exe 29 PID 2756 wrote to memory of 2760 2756 vcredist_x86.exe 29 PID 2756 wrote to memory of 2760 2756 vcredist_x86.exe 29 PID 2756 wrote to memory of 2760 2756 vcredist_x86.exe 29 PID 2756 wrote to memory of 2760 2756 vcredist_x86.exe 29 PID 2756 wrote to memory of 2760 2756 vcredist_x86.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:\Users\Admin\AppData\Local\Temp\vcredist_x86.exe"C:\Users\Admin\AppData\Local\Temp\vcredist_x86.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Windows\SysWOW64\msiexec.exemsiexec /i vcredist.msi2⤵
- Enumerates connected drives
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2760
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2052
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2100
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000060" "000000000000005C"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1608
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
2.7MB
MD5dc1ab7ce3b89fc7cac369d8b246cdafe
SHA1c9a2d5a312f770189c4b65cb500905e4773c14ad
SHA256dde77dd3473d3d07c459f17cd267f96f19264f976f2fcc85b4bbbecf26487560
SHA512e554b8b36a7a853d4e6efb4e6faf2d784f41e8d26edafbb1689a944bf0a7a4b58258d820a3fada1496b8c8d295d8771fc713b29127d54a3fbc317659b7565cbe