General
- Target Zoom_exe.vbs
- Size 27KB
- Sample260723-rrmelsbd84
- SHA256 96986991e6afc47c446c9f789014d6931ddc84d1f52257e77d8da915f985ed39
- MD5 0600f4f3def44de41f920511d203927f
- SHA1 c78b3a581f7dabadf3766be0b38235cb7dcd3821
- SHA512 4d16e62b40958645ed7f2b2bc11e59e3318755466e4070ac3e8656c37767e64deec9c5df4bcda6131ae9f5f08127a3f51ce242876b84cd99f72844edff828c66
- SSDEEP 384:TbhpFbNSWPy6vrdobdPSLHBldGpZtAY8pM5XxpheNK0vXc/PduhUOHSE5:T/FbNnPzSRZ5N4vc/Fuh1t5
- TLSH T102D224D953469AE0FD5C1E0EDAA5440220F3D6ACFA261189CE3159E33E33E85447DEBE
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Zoom_exe.vbs
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Zoom_exe.vbs
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target Zoom_exe.vbs
- Size 27KB
- SHA256 96986991e6afc47c446c9f789014d6931ddc84d1f52257e77d8da915f985ed39
- MD5 0600f4f3def44de41f920511d203927f
- SHA1 c78b3a581f7dabadf3766be0b38235cb7dcd3821
- SHA512 4d16e62b40958645ed7f2b2bc11e59e3318755466e4070ac3e8656c37767e64deec9c5df4bcda6131ae9f5f08127a3f51ce242876b84cd99f72844edff828c66
- SSDEEP 384:TbhpFbNSWPy6vrdobdPSLHBldGpZtAY8pM5XxpheNK0vXc/PduhUOHSE5:T/FbNnPzSRZ5N4vc/Fuh1t5
- TLSH T102D224D953469AE0FD5C1E0EDAA5440220F3D6ACFA261189CE3159E33E33E85447DEBE
- MD5 SHA1 SHA512 SSDEEP TLSH
Clears Windows event logs
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
Signed with revoked ConnectWise certificate
Binary is signed using a ConnectWise certificate revoked for key compromise.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
Boot or Logon Autostart Execution: Authentication Package
Suspicious Windows Authentication Registry Modification.
Drops file in System32 directory
Executes a VBScript file via the Windows Script Host.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
1Visual Basic
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
3Authentication Package
1Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
3Authentication Package
1Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Indicator Removal
2Clear Windows Event Logs
1File Deletion
1Modify Registry
2