Analysis
- max time kernel
149s - max time network
138s - platform
windows10_x64 - resource
win10 - submitted
07/07/2020, 10:56
Static task
static1
Behavioral task
behavioral1
Sample
mpresas.msi
Resource
win7v200430
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
mpresas.msi
Resource
win10
windows10_x64
0 signatures
0 seconds
General
- Target mpresas.msi
- Size 3.3MB
- Sample200707-t1vybbdcyj
- SHA256 1d920f023b0bec46b62fc028689ced3ae13eb73347a1c102a88b2f37a9018598
- MD5 bee3115f859dc2471dca52532934aa7e
- SHA1 5950465ccbacb709447f0e2e31caccfd0949da80
- SHA512 92a06b8779f74b8ccd381e3ed403e54c97bdb4015c99d5b604777f7c64ec59a24f0c9e543df321b1b91672cbd35d6bebee270f4b7d3aadbea5ac5eaff33007d3
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Suspicious use of AdjustPrivilegeToken 42 IoCs
description pid Process Token: SeShutdownPrivilege 3068 msiexec.exe Token: SeIncreaseQuotaPrivilege 3068 msiexec.exe Token: SeSecurityPrivilege 3864 msiexec.exe Token: SeCreateTokenPrivilege 3068 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3068 msiexec.exe Token: SeLockMemoryPrivilege 3068 msiexec.exe Token: SeIncreaseQuotaPrivilege 3068 msiexec.exe Token: SeMachineAccountPrivilege 3068 msiexec.exe Token: SeTcbPrivilege 3068 msiexec.exe Token: SeSecurityPrivilege 3068 msiexec.exe Token: SeTakeOwnershipPrivilege 3068 msiexec.exe Token: SeLoadDriverPrivilege 3068 msiexec.exe Token: SeSystemProfilePrivilege 3068 msiexec.exe Token: SeSystemtimePrivilege 3068 msiexec.exe Token: SeProfSingleProcessPrivilege 3068 msiexec.exe Token: SeIncBasePriorityPrivilege 3068 msiexec.exe Token: SeCreatePagefilePrivilege 3068 msiexec.exe Token: SeCreatePermanentPrivilege 3068 msiexec.exe Token: SeBackupPrivilege 3068 msiexec.exe Token: SeRestorePrivilege 3068 msiexec.exe Token: SeShutdownPrivilege 3068 msiexec.exe Token: SeDebugPrivilege 3068 msiexec.exe Token: SeAuditPrivilege 3068 msiexec.exe Token: SeSystemEnvironmentPrivilege 3068 msiexec.exe Token: SeChangeNotifyPrivilege 3068 msiexec.exe Token: SeRemoteShutdownPrivilege 3068 msiexec.exe Token: SeUndockPrivilege 3068 msiexec.exe Token: SeSyncAgentPrivilege 3068 msiexec.exe Token: SeEnableDelegationPrivilege 3068 msiexec.exe Token: SeManageVolumePrivilege 3068 msiexec.exe Token: SeImpersonatePrivilege 3068 msiexec.exe Token: SeCreateGlobalPrivilege 3068 msiexec.exe Token: SeRestorePrivilege 3864 msiexec.exe Token: SeTakeOwnershipPrivilege 3864 msiexec.exe Token: SeRestorePrivilege 3864 msiexec.exe Token: SeTakeOwnershipPrivilege 3864 msiexec.exe Token: SeRestorePrivilege 3864 msiexec.exe Token: SeTakeOwnershipPrivilege 3864 msiexec.exe Token: SeRestorePrivilege 3864 msiexec.exe Token: SeTakeOwnershipPrivilege 3864 msiexec.exe Token: SeRestorePrivilege 3864 msiexec.exe Token: SeTakeOwnershipPrivilege 3864 msiexec.exe - Loads dropped DLL 4 IoCs
pid Process 1488 MsiExec.exe 1488 MsiExec.exe 1488 MsiExec.exe 1488 MsiExec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3864 msiexec.exe 3864 msiexec.exe - Blacklisted process makes network request 2 IoCs
flow pid Process 2 1488 MsiExec.exe 4 1488 MsiExec.exe - Enumerates connected drives 3 TTPs
- Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3068 msiexec.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3864 wrote to memory of 1488 3864 msiexec.exe 69 PID 3864 wrote to memory of 1488 3864 msiexec.exe 69 PID 3864 wrote to memory of 1488 3864 msiexec.exe 69 PID 1488 wrote to memory of 2940 1488 MsiExec.exe 70 PID 1488 wrote to memory of 2940 1488 MsiExec.exe 70 PID 1488 wrote to memory of 2940 1488 MsiExec.exe 70 - Executes dropped EXE 1 IoCs
pid Process 2940 Ancncnc.exe - Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSIF193.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\SourceHash{6DB5D6A9-2879-4EE7-AEF0-F80C8D941A9D} msiexec.exe File opened for modification C:\Windows\Installer\MSIF5AC.tmp msiexec.exe File created C:\Windows\Installer\f0e7.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\MSIF434.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIF5EC.tmp msiexec.exe File opened for modification C:\Windows\Installer\f0e7.msi msiexec.exe - Adds Run entry to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ancncnc = "C:\\Users\\Admin\\AppData\\Local\\LureFutex\\Ancncnc.exe" Ancncnc.exe Key created \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run Ancncnc.exe
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\mpresas.msi1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3068
-
C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Drops file in Windows directory
PID:3864 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding D15D09EB77B3E405AAC68012D4E1370A2⤵
- Loads dropped DLL
- Blacklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Users\Admin\AppData\Local\LureFutex\Ancncnc.exe"C:\Users\Admin\AppData\Local\LureFutex\Ancncnc.exe"3⤵
- Executes dropped EXE
- Adds Run entry to start application
PID:2940
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