Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13-12-2024 02:53
Static task
static1
Behavioral task
behavioral1
Sample
aa283d1f02c6d3c83dcc1665e9944ed54705e6c46132276c3db208d043e6ca34.msi
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
aa283d1f02c6d3c83dcc1665e9944ed54705e6c46132276c3db208d043e6ca34.msi
Resource
win10v2004-20241007-en
General
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Target
aa283d1f02c6d3c83dcc1665e9944ed54705e6c46132276c3db208d043e6ca34.msi
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Size
1.9MB
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MD5
8b77331198791037f336022ef7e269d2
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SHA1
c48ddd7547eec8417b295bcd00cbac3c34bd175b
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SHA256
aa283d1f02c6d3c83dcc1665e9944ed54705e6c46132276c3db208d043e6ca34
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SHA512
d841c91694094cbb1ea9b6f282748ec994c6bd0af3d037831481b9713c28dd8ae79149b93b7a30d2bcdde7875b42ad102ea81de6f99e6c4dd5f25ae7b5d947e5
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SSDEEP
24576:ht9cpVDhXukQS9k2+y4csX3+4OkoorlvRaLicTOUKX:WpRhX5VxP4XO4OKrPaLNazX
Malware Config
Signatures
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Modifies file permissions 1 TTPs 2 IoCs
pid Process 1056 ICACLS.EXE 1136 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) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\E: 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) \??\K: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\A: 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) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\U: 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 opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f770925.msi msiexec.exe File opened for modification C:\Windows\Installer\f770925.msi msiexec.exe File created C:\Windows\Installer\f770926.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSIA3E.tmp msiexec.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\Installer\ msiexec.exe File opened for modification C:\Windows\Logs\DPX\setupact.log EXPAND.EXE File opened for modification C:\Windows\Installer\f770926.ipi msiexec.exe -
Loads dropped DLL 1 IoCs
pid Process 2832 MsiExec.exe -
Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 2668 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 MsiExec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ICACLS.EXE 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 -
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\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\CRLs 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\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\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates 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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\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 Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\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\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs 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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\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\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe 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\Certificates 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\Microsoft\SystemCertificates\CA 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\Microsoft\SystemCertificates\TrustedPeople 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 DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2820 msiexec.exe 2820 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 53 IoCs
description pid Process Token: SeShutdownPrivilege 2668 msiexec.exe Token: SeIncreaseQuotaPrivilege 2668 msiexec.exe Token: SeRestorePrivilege 2820 msiexec.exe Token: SeTakeOwnershipPrivilege 2820 msiexec.exe Token: SeSecurityPrivilege 2820 msiexec.exe Token: SeCreateTokenPrivilege 2668 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2668 msiexec.exe Token: SeLockMemoryPrivilege 2668 msiexec.exe Token: SeIncreaseQuotaPrivilege 2668 msiexec.exe Token: SeMachineAccountPrivilege 2668 msiexec.exe Token: SeTcbPrivilege 2668 msiexec.exe Token: SeSecurityPrivilege 2668 msiexec.exe Token: SeTakeOwnershipPrivilege 2668 msiexec.exe Token: SeLoadDriverPrivilege 2668 msiexec.exe Token: SeSystemProfilePrivilege 2668 msiexec.exe Token: SeSystemtimePrivilege 2668 msiexec.exe Token: SeProfSingleProcessPrivilege 2668 msiexec.exe Token: SeIncBasePriorityPrivilege 2668 msiexec.exe Token: SeCreatePagefilePrivilege 2668 msiexec.exe Token: SeCreatePermanentPrivilege 2668 msiexec.exe Token: SeBackupPrivilege 2668 msiexec.exe Token: SeRestorePrivilege 2668 msiexec.exe Token: SeShutdownPrivilege 2668 msiexec.exe Token: SeDebugPrivilege 2668 msiexec.exe Token: SeAuditPrivilege 2668 msiexec.exe Token: SeSystemEnvironmentPrivilege 2668 msiexec.exe Token: SeChangeNotifyPrivilege 2668 msiexec.exe Token: SeRemoteShutdownPrivilege 2668 msiexec.exe Token: SeUndockPrivilege 2668 msiexec.exe Token: SeSyncAgentPrivilege 2668 msiexec.exe Token: SeEnableDelegationPrivilege 2668 msiexec.exe Token: SeManageVolumePrivilege 2668 msiexec.exe Token: SeImpersonatePrivilege 2668 msiexec.exe Token: SeCreateGlobalPrivilege 2668 msiexec.exe Token: SeBackupPrivilege 2728 vssvc.exe Token: SeRestorePrivilege 2728 vssvc.exe Token: SeAuditPrivilege 2728 vssvc.exe Token: SeBackupPrivilege 2820 msiexec.exe Token: SeRestorePrivilege 2820 msiexec.exe Token: SeRestorePrivilege 2640 DrvInst.exe Token: SeRestorePrivilege 2640 DrvInst.exe Token: SeRestorePrivilege 2640 DrvInst.exe Token: SeRestorePrivilege 2640 DrvInst.exe Token: SeRestorePrivilege 2640 DrvInst.exe Token: SeRestorePrivilege 2640 DrvInst.exe Token: SeRestorePrivilege 2640 DrvInst.exe Token: SeLoadDriverPrivilege 2640 DrvInst.exe Token: SeLoadDriverPrivilege 2640 DrvInst.exe Token: SeLoadDriverPrivilege 2640 DrvInst.exe Token: SeRestorePrivilege 2820 msiexec.exe Token: SeTakeOwnershipPrivilege 2820 msiexec.exe Token: SeRestorePrivilege 2820 msiexec.exe Token: SeTakeOwnershipPrivilege 2820 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2668 msiexec.exe 2668 msiexec.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2820 wrote to memory of 2832 2820 msiexec.exe 34 PID 2820 wrote to memory of 2832 2820 msiexec.exe 34 PID 2820 wrote to memory of 2832 2820 msiexec.exe 34 PID 2820 wrote to memory of 2832 2820 msiexec.exe 34 PID 2820 wrote to memory of 2832 2820 msiexec.exe 34 PID 2820 wrote to memory of 2832 2820 msiexec.exe 34 PID 2820 wrote to memory of 2832 2820 msiexec.exe 34 PID 2832 wrote to memory of 1056 2832 MsiExec.exe 35 PID 2832 wrote to memory of 1056 2832 MsiExec.exe 35 PID 2832 wrote to memory of 1056 2832 MsiExec.exe 35 PID 2832 wrote to memory of 1056 2832 MsiExec.exe 35 PID 2832 wrote to memory of 712 2832 MsiExec.exe 37 PID 2832 wrote to memory of 712 2832 MsiExec.exe 37 PID 2832 wrote to memory of 712 2832 MsiExec.exe 37 PID 2832 wrote to memory of 712 2832 MsiExec.exe 37 PID 2832 wrote to memory of 1672 2832 MsiExec.exe 39 PID 2832 wrote to memory of 1672 2832 MsiExec.exe 39 PID 2832 wrote to memory of 1672 2832 MsiExec.exe 39 PID 2832 wrote to memory of 1672 2832 MsiExec.exe 39 PID 2832 wrote to memory of 2300 2832 MsiExec.exe 41 PID 2832 wrote to memory of 2300 2832 MsiExec.exe 41 PID 2832 wrote to memory of 2300 2832 MsiExec.exe 41 PID 2832 wrote to memory of 2300 2832 MsiExec.exe 41 PID 2832 wrote to memory of 1136 2832 MsiExec.exe 43 PID 2832 wrote to memory of 1136 2832 MsiExec.exe 43 PID 2832 wrote to memory of 1136 2832 MsiExec.exe 43 PID 2832 wrote to memory of 1136 2832 MsiExec.exe 43 -
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\aa283d1f02c6d3c83dcc1665e9944ed54705e6c46132276c3db208d043e6ca34.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2668
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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:2820 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding DBAD0EC71CCFF515F471B6DC8CA432032⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Windows\SysWOW64\ICACLS.EXE"C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-b1e6201d-2a5a-42cd-88ed-0d22fe4fca75\." /SETINTEGRITYLEVEL (CI)(OI)HIGH3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:1056
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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:712
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c start msedge https://www.docusign.com/sites/default/files/Signature_Appliance_Client_Guide_8.0.pdf3⤵
- System Location Discovery: System Language Discovery
PID:1672
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c rd /s /q "C:\Users\Admin\AppData\Local\Temp\MW-b1e6201d-2a5a-42cd-88ed-0d22fe4fca75\files"3⤵
- System Location Discovery: System Language Discovery
PID:2300
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C:\Windows\SysWOW64\ICACLS.EXE"C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-b1e6201d-2a5a-42cd-88ed-0d22fe4fca75\." /SETINTEGRITYLEVEL (CI)(OI)LOW3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:1136
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2728
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000002F8" "00000000000005A8"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2640
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD5809337e8fba896e6c6be38773398afd5
SHA1f1cf29e8175ba87b9b28a02dca9e5fb09f175027
SHA2566b956a5c80beb1085c7bb11f6386b31b718bbf59c59ee8bd83de2c0febe90aa3
SHA5124edf0a07ecb49a0af6b06621c06221e2fe5d48808cc305b59d4142c990474543bce0c6fb99677257a3dede9c6edcbaa8e613af31c3ad0cf0c21576a783ee19f2
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Filesize
1KB
MD51661afbf9ebfc83dc187aeb68eb8358d
SHA100690500560fc4a6b0f4c5a60022ddf5db23a9a4
SHA2567e5992e58319e390d9b70e52cca6b7053bbddccc4a6a9177bffabd8d508826e7
SHA512686f1b307e9153b4ea66e15ad4d02d767bdcd895100314455d8a515b1f8c7f719bce1473efea2969b1a5df7ab0896c4bdad241445fde5665a9a1c81bcbd2545d
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Filesize
1KB
MD5b94c533d55fb6236ff5e44b8f7b5bbe0
SHA162b99c48c8d87572829d4e2b92f00449a98ba992
SHA256209aa9131b3cfd0f388837b81ae516c6f54bd6df5386990b619c0440d24f5f9d
SHA512a5199bd3a06cd382f648ec946c271926e2b6bd19bd06112ca888e3bc2238154a858674805d9a16f0c88194b3d0015cec892b773e43d4e3899542f336cef2b386
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Filesize
208KB
MD50c8921bbcc37c6efd34faf44cf3b0cb5
SHA1dcfa71246157edcd09eecaf9d4c5e360b24b3e49
SHA256fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1
SHA512ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108