Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-12-2024 11:29
Static task
static1
Behavioral task
behavioral1
Sample
33abb.msi
Resource
win7-20240903-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
33abb.msi
Resource
win10v2004-20241007-en
windows10-2004-x64
25 signatures
150 seconds
General
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Target
33abb.msi
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Size
1.8MB
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MD5
0d4245b805741f0d90e4a964971b0527
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SHA1
0828f6cbe30fc369eb62d9e992162870767489f5
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SHA256
b6c37e3d6c1e61c71f42e005774cae3f722a3273a91d6e29d27e9f76ab4ab934
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SHA512
be3c036f37be183201c4fadc3c1111b8ea0c2acf9d6f2eb1ce4e1dc4ffe4664ed91504e8fd83346257f10352f84cb701fb39057eb948fff038be3e3328e68371
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SSDEEP
24576:at9cpVDh1i+OG6gviWd2ZXY3kJh8b1sd7ptsn5t:tpRh1agVYtAkJSbCpyT
Score
7/10
Malware Config
Signatures
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Modifies file permissions 1 TTPs 2 IoCs
pid Process 2956 ICACLS.EXE 2712 ICACLS.EXE -
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) \??\I: 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) \??\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) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: 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) \??\J: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\W: 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) \??\G: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\N: msiexec.exe -
Drops file in Windows directory 11 IoCs
description ioc Process File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File created C:\Windows\Installer\f76bd18.msi msiexec.exe File opened for modification C:\Windows\Installer\f76bd18.msi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSIBE11.tmp msiexec.exe File opened for modification C:\Windows\Logs\DPX\setupact.log EXPAND.EXE File opened for modification C:\Windows\Logs\DPX\setuperr.log EXPAND.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\f76bd19.ipi msiexec.exe File opened for modification C:\Windows\Installer\f76bd19.ipi msiexec.exe -
Loads dropped DLL 1 IoCs
pid Process 2680 MsiExec.exe -
Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 632 msiexec.exe -
System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXPAND.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ICACLS.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ICACLS.EXE -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\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\TrustedPeople\Certificates 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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\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\Disallowed\CRLs 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\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\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\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\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\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\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\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3040 msiexec.exe 3040 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 53 IoCs
description pid Process Token: SeShutdownPrivilege 632 msiexec.exe Token: SeIncreaseQuotaPrivilege 632 msiexec.exe Token: SeRestorePrivilege 3040 msiexec.exe Token: SeTakeOwnershipPrivilege 3040 msiexec.exe Token: SeSecurityPrivilege 3040 msiexec.exe Token: SeCreateTokenPrivilege 632 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 632 msiexec.exe Token: SeLockMemoryPrivilege 632 msiexec.exe Token: SeIncreaseQuotaPrivilege 632 msiexec.exe Token: SeMachineAccountPrivilege 632 msiexec.exe Token: SeTcbPrivilege 632 msiexec.exe Token: SeSecurityPrivilege 632 msiexec.exe Token: SeTakeOwnershipPrivilege 632 msiexec.exe Token: SeLoadDriverPrivilege 632 msiexec.exe Token: SeSystemProfilePrivilege 632 msiexec.exe Token: SeSystemtimePrivilege 632 msiexec.exe Token: SeProfSingleProcessPrivilege 632 msiexec.exe Token: SeIncBasePriorityPrivilege 632 msiexec.exe Token: SeCreatePagefilePrivilege 632 msiexec.exe Token: SeCreatePermanentPrivilege 632 msiexec.exe Token: SeBackupPrivilege 632 msiexec.exe Token: SeRestorePrivilege 632 msiexec.exe Token: SeShutdownPrivilege 632 msiexec.exe Token: SeDebugPrivilege 632 msiexec.exe Token: SeAuditPrivilege 632 msiexec.exe Token: SeSystemEnvironmentPrivilege 632 msiexec.exe Token: SeChangeNotifyPrivilege 632 msiexec.exe Token: SeRemoteShutdownPrivilege 632 msiexec.exe Token: SeUndockPrivilege 632 msiexec.exe Token: SeSyncAgentPrivilege 632 msiexec.exe Token: SeEnableDelegationPrivilege 632 msiexec.exe Token: SeManageVolumePrivilege 632 msiexec.exe Token: SeImpersonatePrivilege 632 msiexec.exe Token: SeCreateGlobalPrivilege 632 msiexec.exe Token: SeBackupPrivilege 2404 vssvc.exe Token: SeRestorePrivilege 2404 vssvc.exe Token: SeAuditPrivilege 2404 vssvc.exe Token: SeBackupPrivilege 3040 msiexec.exe Token: SeRestorePrivilege 3040 msiexec.exe Token: SeRestorePrivilege 2860 DrvInst.exe Token: SeRestorePrivilege 2860 DrvInst.exe Token: SeRestorePrivilege 2860 DrvInst.exe Token: SeRestorePrivilege 2860 DrvInst.exe Token: SeRestorePrivilege 2860 DrvInst.exe Token: SeRestorePrivilege 2860 DrvInst.exe Token: SeRestorePrivilege 2860 DrvInst.exe Token: SeLoadDriverPrivilege 2860 DrvInst.exe Token: SeLoadDriverPrivilege 2860 DrvInst.exe Token: SeLoadDriverPrivilege 2860 DrvInst.exe Token: SeRestorePrivilege 3040 msiexec.exe Token: SeTakeOwnershipPrivilege 3040 msiexec.exe Token: SeRestorePrivilege 3040 msiexec.exe Token: SeTakeOwnershipPrivilege 3040 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 632 msiexec.exe 632 msiexec.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 3040 wrote to memory of 2680 3040 msiexec.exe 34 PID 3040 wrote to memory of 2680 3040 msiexec.exe 34 PID 3040 wrote to memory of 2680 3040 msiexec.exe 34 PID 3040 wrote to memory of 2680 3040 msiexec.exe 34 PID 3040 wrote to memory of 2680 3040 msiexec.exe 34 PID 3040 wrote to memory of 2680 3040 msiexec.exe 34 PID 3040 wrote to memory of 2680 3040 msiexec.exe 34 PID 2680 wrote to memory of 2956 2680 MsiExec.exe 35 PID 2680 wrote to memory of 2956 2680 MsiExec.exe 35 PID 2680 wrote to memory of 2956 2680 MsiExec.exe 35 PID 2680 wrote to memory of 2956 2680 MsiExec.exe 35 PID 2680 wrote to memory of 1388 2680 MsiExec.exe 37 PID 2680 wrote to memory of 1388 2680 MsiExec.exe 37 PID 2680 wrote to memory of 1388 2680 MsiExec.exe 37 PID 2680 wrote to memory of 1388 2680 MsiExec.exe 37 PID 2680 wrote to memory of 2444 2680 MsiExec.exe 39 PID 2680 wrote to memory of 2444 2680 MsiExec.exe 39 PID 2680 wrote to memory of 2444 2680 MsiExec.exe 39 PID 2680 wrote to memory of 2444 2680 MsiExec.exe 39 PID 2680 wrote to memory of 2160 2680 MsiExec.exe 42 PID 2680 wrote to memory of 2160 2680 MsiExec.exe 42 PID 2680 wrote to memory of 2160 2680 MsiExec.exe 42 PID 2680 wrote to memory of 2160 2680 MsiExec.exe 42 PID 2680 wrote to memory of 2712 2680 MsiExec.exe 44 PID 2680 wrote to memory of 2712 2680 MsiExec.exe 44 PID 2680 wrote to memory of 2712 2680 MsiExec.exe 44 PID 2680 wrote to memory of 2712 2680 MsiExec.exe 44 -
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\33abb.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:632
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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:3040 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding C7C0184DC22729FC27A003249A43BA862⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\ICACLS.EXE"C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-2a810d58-75c3-406f-9a07-22321ae43613\." /SETINTEGRITYLEVEL (CI)(OI)HIGH3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:2956
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C:\Windows\SysWOW64\EXPAND.EXE"C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files3⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1388
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c start msedge https://www.med.unc.edu/webguide/wp-content/uploads/sites/419/2019/07/AdobePDF.pdf3⤵
- System Location Discovery: System Language Discovery
PID:2444
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c rd /s /q "C:\Users\Admin\AppData\Local\Temp\MW-2a810d58-75c3-406f-9a07-22321ae43613\files"3⤵
- System Location Discovery: System Language Discovery
PID:2160
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C:\Windows\SysWOW64\ICACLS.EXE"C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-2a810d58-75c3-406f-9a07-22321ae43613\." /SETINTEGRITYLEVEL (CI)(OI)LOW3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:2712
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2404
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000390" "00000000000003D0"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2860
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.5MB
MD50eb1dab24d3da5ed8b7c5ea63f6ba5a5
SHA113384e702c3dd018d5e553676639167f6f351174
SHA256d88f05a410a655e23d498bdfa307084f5d3771e29a51417aa5ce42044ef4fb56
SHA5126c07aa50cc944ac3be3a74c0bb3aa57b57df3e15ba3bf2a74eb4a5d7d4e3a2d4b055b0c5dec51e174c164b75465824037d1230b9e4375f54c18da568e3f94680
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Filesize
342B
MD535d31bfa30011f50779e23b624a9d39a
SHA1b53a2c7da4f2ba2c84d070dfd3a0973f883eee03
SHA256a03adfcf4c1b7930e982a7d77b13d406b93a208222f5707e65aa499456cb7cc5
SHA51247026ce8b501b913865145f13e2aa5a6d20891cdd19e50173923ed082831009622c1d07615e5b33697f3f014a6371ff62f87d3c7da040442ecf75ec459642053
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Filesize
1KB
MD5734c8479c4b2f78241c934f915e42769
SHA121e7e63c62fa20ae325505908c883758a3f9ebac
SHA256193544f47b71ae7b5636b65de9355487f05ad36057c4491a1ef22174dad2dea1
SHA512e08b30d560be498a3947a87fd051c6fcafcc57771200c8089424a4d8db73309146465d531cee291f96e0e84aeab8b6312be779eca782d58f89f93eca14707649
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Filesize
208KB
MD50c8921bbcc37c6efd34faf44cf3b0cb5
SHA1dcfa71246157edcd09eecaf9d4c5e360b24b3e49
SHA256fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1
SHA512ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108