Analysis
- max time kernel
14s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - submitted
04/11/2020, 10:31
Static task
static1
Behavioral task
behavioral1
Sample
vrzfax-Fichero-ES.msi
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
vrzfax-Fichero-ES.msi
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target vrzfax-Fichero-ES.msi
- Size 1017KB
- Sample201104-cgrq4mtchj
- SHA256 28a1dec8440dcd046fc4bbcbce7cfb6fcb33bc744f9e4d6debe025305fc0abcb
- MD5 fadcccecfdb81ea27d9d5bc48a25c0f2
- SHA1 b35fa1b876847edf653bf7a59b39f38f2f9d02d6
- SHA512 1d6152404b75d783887d66378421f2c2b88391a0faea07c3b20977b7a7ae98a64b9e6ed78d66de48ad96571a5bdf6c112d11aebd45cbb04ac3c066b98adb8fb6
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Blacklisted process makes network request 1 IoCs
flow pid Process 11 976 MsiExec.exe - Loads dropped DLL 6 IoCs
pid Process 976 MsiExec.exe 976 MsiExec.exe 976 MsiExec.exe 976 MsiExec.exe 976 MsiExec.exe 976 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) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\U: msiexec.exe - Drops file in Windows directory 13 IoCs
description ioc Process File opened for modification C:\Windows\Installer\f74578c.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\MSI679C.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI6ADA.tmp msiexec.exe File created C:\Windows\Installer\SourceHash{466575FD-F532-4203-9351-CE553BAA9DD4} msiexec.exe File opened for modification C:\Windows\Installer\MSI6A7B.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI6C44.tmp msiexec.exe File created C:\Windows\Installer\f74578c.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI5895.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI6652.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI66EF.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2212 msiexec.exe 2212 msiexec.exe - Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeShutdownPrivilege 676 msiexec.exe Token: SeIncreaseQuotaPrivilege 676 msiexec.exe Token: SeSecurityPrivilege 2212 msiexec.exe Token: SeCreateTokenPrivilege 676 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 676 msiexec.exe Token: SeLockMemoryPrivilege 676 msiexec.exe Token: SeIncreaseQuotaPrivilege 676 msiexec.exe Token: SeMachineAccountPrivilege 676 msiexec.exe Token: SeTcbPrivilege 676 msiexec.exe Token: SeSecurityPrivilege 676 msiexec.exe Token: SeTakeOwnershipPrivilege 676 msiexec.exe Token: SeLoadDriverPrivilege 676 msiexec.exe Token: SeSystemProfilePrivilege 676 msiexec.exe Token: SeSystemtimePrivilege 676 msiexec.exe Token: SeProfSingleProcessPrivilege 676 msiexec.exe Token: SeIncBasePriorityPrivilege 676 msiexec.exe Token: SeCreatePagefilePrivilege 676 msiexec.exe Token: SeCreatePermanentPrivilege 676 msiexec.exe Token: SeBackupPrivilege 676 msiexec.exe Token: SeRestorePrivilege 676 msiexec.exe Token: SeShutdownPrivilege 676 msiexec.exe Token: SeDebugPrivilege 676 msiexec.exe Token: SeAuditPrivilege 676 msiexec.exe Token: SeSystemEnvironmentPrivilege 676 msiexec.exe Token: SeChangeNotifyPrivilege 676 msiexec.exe Token: SeRemoteShutdownPrivilege 676 msiexec.exe Token: SeUndockPrivilege 676 msiexec.exe Token: SeSyncAgentPrivilege 676 msiexec.exe Token: SeEnableDelegationPrivilege 676 msiexec.exe Token: SeManageVolumePrivilege 676 msiexec.exe Token: SeImpersonatePrivilege 676 msiexec.exe Token: SeCreateGlobalPrivilege 676 msiexec.exe Token: SeRestorePrivilege 2212 msiexec.exe Token: SeTakeOwnershipPrivilege 2212 msiexec.exe Token: SeRestorePrivilege 2212 msiexec.exe Token: SeTakeOwnershipPrivilege 2212 msiexec.exe Token: SeRestorePrivilege 2212 msiexec.exe Token: SeTakeOwnershipPrivilege 2212 msiexec.exe Token: SeRestorePrivilege 2212 msiexec.exe Token: SeTakeOwnershipPrivilege 2212 msiexec.exe Token: SeRestorePrivilege 2212 msiexec.exe Token: SeTakeOwnershipPrivilege 2212 msiexec.exe Token: SeRestorePrivilege 2212 msiexec.exe Token: SeTakeOwnershipPrivilege 2212 msiexec.exe Token: SeRestorePrivilege 2212 msiexec.exe Token: SeTakeOwnershipPrivilege 2212 msiexec.exe Token: SeRestorePrivilege 2212 msiexec.exe Token: SeTakeOwnershipPrivilege 2212 msiexec.exe Token: SeRestorePrivilege 2212 msiexec.exe Token: SeTakeOwnershipPrivilege 2212 msiexec.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 676 msiexec.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2212 wrote to memory of 976 2212 msiexec.exe 77 PID 2212 wrote to memory of 976 2212 msiexec.exe 77 PID 2212 wrote to memory of 976 2212 msiexec.exe 77
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\vrzfax-Fichero-ES.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:676
-
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:2212 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 45826E7418CB033C2BF597EA515AB2202⤵
- Blacklisted process makes network request
- Loads dropped DLL
PID:976
-