Analysis
- max time kernel
28s - max time network
66s - platform
windows10_x64 - resource
win10v20201028 - submitted
08/03/2021, 20:57
Static task
static1
Behavioral task
behavioral1
Sample
comp-xju3.msi
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
comp-xju3.msi
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target comp-xju3.msi
- Size 33.8MB
- Sample210308-gp3lka8d6n
- SHA256 abe7aeaae3b32afd0c02aa0c816a23f73f0f24248971e20a1bb17d201f89bdcd
- MD5 616287620f26e0983e1ffe442dc84bda
- SHA1 ded5eb0cf69148ff4d032d7c406d3aff597ceaee
- SHA512 48c42912dfe9ffb3d6f4495783ac3124e391b7316516198d355a4e1816e5aa54c8f5958cc396a678b93ef9d166152497ef0dad0c5ea173f3cd49caf3434c3d5c
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Blocklisted process makes network request 1 IoCs
flow pid Process 9 812 MsiExec.exe - Executes dropped EXE 1 IoCs
pid Process 1976 lc78FE.tmp - Loads dropped DLL 8 IoCs
pid Process 812 MsiExec.exe 812 MsiExec.exe 812 MsiExec.exe 812 MsiExec.exe 812 MsiExec.exe 812 MsiExec.exe 812 MsiExec.exe 812 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) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: 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) \??\J: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\S: 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) \??\W: msiexec.exe - Drops file in Windows directory 14 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI78D1.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI7C1E.tmp msiexec.exe File opened for modification C:\Windows\Installer\f746392.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI6518.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI747B.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI8C6B.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI9528.tmp msiexec.exe File created C:\Windows\Installer\f746392.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\ msiexec.exe File created C:\Windows\Installer\SourceHash{E5E72EFE-EA85-4494-A337-988D4486B5E6} msiexec.exe File opened for modification C:\Windows\Installer\MSI8E31.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI9E03.tmp msiexec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3712 msiexec.exe 3712 msiexec.exe - Suspicious use of AdjustPrivilegeToken 56 IoCs
description pid Process Token: SeShutdownPrivilege 1052 msiexec.exe Token: SeIncreaseQuotaPrivilege 1052 msiexec.exe Token: SeSecurityPrivilege 3712 msiexec.exe Token: SeCreateTokenPrivilege 1052 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1052 msiexec.exe Token: SeLockMemoryPrivilege 1052 msiexec.exe Token: SeIncreaseQuotaPrivilege 1052 msiexec.exe Token: SeMachineAccountPrivilege 1052 msiexec.exe Token: SeTcbPrivilege 1052 msiexec.exe Token: SeSecurityPrivilege 1052 msiexec.exe Token: SeTakeOwnershipPrivilege 1052 msiexec.exe Token: SeLoadDriverPrivilege 1052 msiexec.exe Token: SeSystemProfilePrivilege 1052 msiexec.exe Token: SeSystemtimePrivilege 1052 msiexec.exe Token: SeProfSingleProcessPrivilege 1052 msiexec.exe Token: SeIncBasePriorityPrivilege 1052 msiexec.exe Token: SeCreatePagefilePrivilege 1052 msiexec.exe Token: SeCreatePermanentPrivilege 1052 msiexec.exe Token: SeBackupPrivilege 1052 msiexec.exe Token: SeRestorePrivilege 1052 msiexec.exe Token: SeShutdownPrivilege 1052 msiexec.exe Token: SeDebugPrivilege 1052 msiexec.exe Token: SeAuditPrivilege 1052 msiexec.exe Token: SeSystemEnvironmentPrivilege 1052 msiexec.exe Token: SeChangeNotifyPrivilege 1052 msiexec.exe Token: SeRemoteShutdownPrivilege 1052 msiexec.exe Token: SeUndockPrivilege 1052 msiexec.exe Token: SeSyncAgentPrivilege 1052 msiexec.exe Token: SeEnableDelegationPrivilege 1052 msiexec.exe Token: SeManageVolumePrivilege 1052 msiexec.exe Token: SeImpersonatePrivilege 1052 msiexec.exe Token: SeCreateGlobalPrivilege 1052 msiexec.exe Token: SeRestorePrivilege 3712 msiexec.exe Token: SeTakeOwnershipPrivilege 3712 msiexec.exe Token: SeRestorePrivilege 3712 msiexec.exe Token: SeTakeOwnershipPrivilege 3712 msiexec.exe Token: SeRestorePrivilege 3712 msiexec.exe Token: SeTakeOwnershipPrivilege 3712 msiexec.exe Token: SeRestorePrivilege 3712 msiexec.exe Token: SeTakeOwnershipPrivilege 3712 msiexec.exe Token: SeRestorePrivilege 3712 msiexec.exe Token: SeTakeOwnershipPrivilege 3712 msiexec.exe Token: SeRestorePrivilege 3712 msiexec.exe Token: SeTakeOwnershipPrivilege 3712 msiexec.exe Token: SeRestorePrivilege 3712 msiexec.exe Token: SeTakeOwnershipPrivilege 3712 msiexec.exe Token: SeRestorePrivilege 3712 msiexec.exe Token: SeTakeOwnershipPrivilege 3712 msiexec.exe Token: SeRestorePrivilege 3712 msiexec.exe Token: SeTakeOwnershipPrivilege 3712 msiexec.exe Token: SeRestorePrivilege 3712 msiexec.exe Token: SeTakeOwnershipPrivilege 3712 msiexec.exe Token: SeRestorePrivilege 3712 msiexec.exe Token: SeTakeOwnershipPrivilege 3712 msiexec.exe Token: SeRestorePrivilege 3712 msiexec.exe Token: SeTakeOwnershipPrivilege 3712 msiexec.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1052 msiexec.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 812 MsiExec.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3712 wrote to memory of 812 3712 msiexec.exe 78 PID 3712 wrote to memory of 812 3712 msiexec.exe 78 PID 3712 wrote to memory of 812 3712 msiexec.exe 78 PID 812 wrote to memory of 1976 812 MsiExec.exe 79 PID 812 wrote to memory of 1976 812 MsiExec.exe 79 PID 812 wrote to memory of 1976 812 MsiExec.exe 79
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\comp-xju3.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1052
-
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:3712 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding B797234C1E36A46D5A308369CFA21E0F2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Users\Admin\AppData\Local\Temp\lc78FE.tmp"C:\Users\Admin\AppData\Local\Temp\lc78FE.tmp"3⤵
- Executes dropped EXE
PID:1976
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