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.
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Executes dropped EXE
-
Loads dropped DLL
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Adds Run key to start application
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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.
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Drops file in System32 directory
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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