Analysis
- max time kernel
19s - max time network
124s - platform
windows10_x64 - resource
win10v20210408 - submitted
13/08/2021, 07:41
Static task
static1
Behavioral task
behavioral1
Sample
_-_-wkdn documentos.msi
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
_-_-wkdn documentos.msi
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
General
- Target _-_-wkdn documentos.msi
- Size 3.8MB
- Sample210813-3h81t416e2
- SHA256 3b6437f01fccf08fb0b2aec67a09c03ec8a741c774bcea3ad6320bd6984afe2f
- MD5 907d7337436281e67370bf06e6d07246
- SHA1 3848a65f0b13a8fd9f01330a0965d7fcc218913c
- SHA512 02a4093e6081c9d79d1cb14ec1e560f61d44475ea4fdc6fece94cadeb98f75f136fe061bdd7f21c7bef7e223ff3b15a49cd4b862327b8af2dc5bd6223291a491
- MD5 SHA1 SHA512
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 3 IoCs
pid Process 3740 MsiExec.exe 3740 MsiExec.exe 3740 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) \??\Q: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\A: 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) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe - Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI6671.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI6876.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI5FB9.tmp msiexec.exe File opened for modification C:\Windows\Installer\f745edf.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File created C:\Windows\Installer\SourceHash{B9336F0D-359B-45BE-BF2A-8661F790585D} msiexec.exe File opened for modification C:\Windows\Installer\MSI68C5.tmp msiexec.exe File created C:\Windows\Installer\f745edf.msi msiexec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1792 msiexec.exe 1792 msiexec.exe - Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeShutdownPrivilege 3920 msiexec.exe Token: SeIncreaseQuotaPrivilege 3920 msiexec.exe Token: SeSecurityPrivilege 1792 msiexec.exe Token: SeCreateTokenPrivilege 3920 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3920 msiexec.exe Token: SeLockMemoryPrivilege 3920 msiexec.exe Token: SeIncreaseQuotaPrivilege 3920 msiexec.exe Token: SeMachineAccountPrivilege 3920 msiexec.exe Token: SeTcbPrivilege 3920 msiexec.exe Token: SeSecurityPrivilege 3920 msiexec.exe Token: SeTakeOwnershipPrivilege 3920 msiexec.exe Token: SeLoadDriverPrivilege 3920 msiexec.exe Token: SeSystemProfilePrivilege 3920 msiexec.exe Token: SeSystemtimePrivilege 3920 msiexec.exe Token: SeProfSingleProcessPrivilege 3920 msiexec.exe Token: SeIncBasePriorityPrivilege 3920 msiexec.exe Token: SeCreatePagefilePrivilege 3920 msiexec.exe Token: SeCreatePermanentPrivilege 3920 msiexec.exe Token: SeBackupPrivilege 3920 msiexec.exe Token: SeRestorePrivilege 3920 msiexec.exe Token: SeShutdownPrivilege 3920 msiexec.exe Token: SeDebugPrivilege 3920 msiexec.exe Token: SeAuditPrivilege 3920 msiexec.exe Token: SeSystemEnvironmentPrivilege 3920 msiexec.exe Token: SeChangeNotifyPrivilege 3920 msiexec.exe Token: SeRemoteShutdownPrivilege 3920 msiexec.exe Token: SeUndockPrivilege 3920 msiexec.exe Token: SeSyncAgentPrivilege 3920 msiexec.exe Token: SeEnableDelegationPrivilege 3920 msiexec.exe Token: SeManageVolumePrivilege 3920 msiexec.exe Token: SeImpersonatePrivilege 3920 msiexec.exe Token: SeCreateGlobalPrivilege 3920 msiexec.exe Token: SeRestorePrivilege 1792 msiexec.exe Token: SeTakeOwnershipPrivilege 1792 msiexec.exe Token: SeRestorePrivilege 1792 msiexec.exe Token: SeTakeOwnershipPrivilege 1792 msiexec.exe Token: SeRestorePrivilege 1792 msiexec.exe Token: SeTakeOwnershipPrivilege 1792 msiexec.exe Token: SeRestorePrivilege 1792 msiexec.exe Token: SeTakeOwnershipPrivilege 1792 msiexec.exe Token: SeRestorePrivilege 1792 msiexec.exe Token: SeTakeOwnershipPrivilege 1792 msiexec.exe Token: SeRestorePrivilege 1792 msiexec.exe Token: SeTakeOwnershipPrivilege 1792 msiexec.exe Token: SeRestorePrivilege 1792 msiexec.exe Token: SeTakeOwnershipPrivilege 1792 msiexec.exe Token: SeRestorePrivilege 1792 msiexec.exe Token: SeTakeOwnershipPrivilege 1792 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3920 msiexec.exe 3920 msiexec.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1792 wrote to memory of 3740 1792 msiexec.exe 77 PID 1792 wrote to memory of 3740 1792 msiexec.exe 77 PID 1792 wrote to memory of 3740 1792 msiexec.exe 77
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I "C:\Users\Admin\AppData\Local\Temp\_-_-wkdn documentos.msi"1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3920
-
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:1792 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 5508DBC43956959E27ADFBE20EA5EB872⤵
- Loads dropped DLL
PID:3740
-