Analysis
- max time kernel
17s - max time network
113s - platform
windows10_x64 - resource
win10v20210408 - submitted
10/08/2021, 13:04
Static task
static1
Behavioral task
behavioral1
Sample
Atendimento 3982773867455.msi
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Atendimento 3982773867455.msi
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
General
- Target Atendimento 3982773867455.msi
- Size 3.1MB
- Sample210810-d5b7rfqvr2
- SHA256 e7929b41f6211185990cd523debd50156d6a74433fc04b13cb5cbdf6f25d403a
- MD5 8c33ca0a403e8491f0defd2e5ac68515
- SHA1 9b72f80cbbdb60ec1f787ce9183dd80ec8c3ca72
- SHA512 236f1c4b54ad4640f775257e59efe7a790deb2d1810d9983646404d6af745622fa38578708b7d3588b9220a7b90ac49d388ebd11f9ab1cfb445b572827cb5b07
- MD5 SHA1 SHA512
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 3 IoCs
pid Process 2808 MsiExec.exe 2808 MsiExec.exe 2808 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) \??\F: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\U: msiexec.exe - Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\f74a89a.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\MSIA9B3.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIADDA.tmp msiexec.exe File created C:\Windows\Installer\SourceHash{B9336F0D-359B-45BE-BF2A-8661F790585D} msiexec.exe File opened for modification C:\Windows\Installer\MSIAFFE.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIB05D.tmp msiexec.exe File created C:\Windows\Installer\f74a89a.msi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3936 msiexec.exe 3936 msiexec.exe - Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeShutdownPrivilege 904 msiexec.exe Token: SeIncreaseQuotaPrivilege 904 msiexec.exe Token: SeSecurityPrivilege 3936 msiexec.exe Token: SeCreateTokenPrivilege 904 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 904 msiexec.exe Token: SeLockMemoryPrivilege 904 msiexec.exe Token: SeIncreaseQuotaPrivilege 904 msiexec.exe Token: SeMachineAccountPrivilege 904 msiexec.exe Token: SeTcbPrivilege 904 msiexec.exe Token: SeSecurityPrivilege 904 msiexec.exe Token: SeTakeOwnershipPrivilege 904 msiexec.exe Token: SeLoadDriverPrivilege 904 msiexec.exe Token: SeSystemProfilePrivilege 904 msiexec.exe Token: SeSystemtimePrivilege 904 msiexec.exe Token: SeProfSingleProcessPrivilege 904 msiexec.exe Token: SeIncBasePriorityPrivilege 904 msiexec.exe Token: SeCreatePagefilePrivilege 904 msiexec.exe Token: SeCreatePermanentPrivilege 904 msiexec.exe Token: SeBackupPrivilege 904 msiexec.exe Token: SeRestorePrivilege 904 msiexec.exe Token: SeShutdownPrivilege 904 msiexec.exe Token: SeDebugPrivilege 904 msiexec.exe Token: SeAuditPrivilege 904 msiexec.exe Token: SeSystemEnvironmentPrivilege 904 msiexec.exe Token: SeChangeNotifyPrivilege 904 msiexec.exe Token: SeRemoteShutdownPrivilege 904 msiexec.exe Token: SeUndockPrivilege 904 msiexec.exe Token: SeSyncAgentPrivilege 904 msiexec.exe Token: SeEnableDelegationPrivilege 904 msiexec.exe Token: SeManageVolumePrivilege 904 msiexec.exe Token: SeImpersonatePrivilege 904 msiexec.exe Token: SeCreateGlobalPrivilege 904 msiexec.exe Token: SeRestorePrivilege 3936 msiexec.exe Token: SeTakeOwnershipPrivilege 3936 msiexec.exe Token: SeRestorePrivilege 3936 msiexec.exe Token: SeTakeOwnershipPrivilege 3936 msiexec.exe Token: SeRestorePrivilege 3936 msiexec.exe Token: SeTakeOwnershipPrivilege 3936 msiexec.exe Token: SeRestorePrivilege 3936 msiexec.exe Token: SeTakeOwnershipPrivilege 3936 msiexec.exe Token: SeRestorePrivilege 3936 msiexec.exe Token: SeTakeOwnershipPrivilege 3936 msiexec.exe Token: SeRestorePrivilege 3936 msiexec.exe Token: SeTakeOwnershipPrivilege 3936 msiexec.exe Token: SeRestorePrivilege 3936 msiexec.exe Token: SeTakeOwnershipPrivilege 3936 msiexec.exe Token: SeRestorePrivilege 3936 msiexec.exe Token: SeTakeOwnershipPrivilege 3936 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 904 msiexec.exe 904 msiexec.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3936 wrote to memory of 2808 3936 msiexec.exe 77 PID 3936 wrote to memory of 2808 3936 msiexec.exe 77 PID 3936 wrote to memory of 2808 3936 msiexec.exe 77
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I "C:\Users\Admin\AppData\Local\Temp\Atendimento 3982773867455.msi"1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:904
-
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:3936 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 9059EF914F9C20341503D3C3985836A52⤵
- Loads dropped DLL
PID:2808
-