General
- Target DocuSign_Setup.vbs
- Size 20.4MB
- Sample260728-w3crrssemb
- SHA256 b59f3844f2574f2544270eabf052be0658ffe0fbfe3c77eeb8ab6844bcfd1998
- MD5 572d77c4e6f5614781a489780905a4b7
- SHA1 af7aa45dba761805690852702a1b7d05362b1c9e
- SHA512 374868c7ae49582ffd416e8f3e78ca43d71f0fec992109349b17763b2cbeaabe4ad1c875fe414e9d954479ec9727d9e922f41cac6c8c7af25b24ce907ae9d468
- SSDEEP 96:fKNLF6N3PKLSWAwu0iSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSt:WLF6N3PK2Cu05
- TLSH T1EC27099E460A3554C0838F0399A3F2BB2F6767F97796B569298D5110F1E1BBC7233823
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
DocuSign_Setup.vbs
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
DocuSign_Setup.vbs
Resource
win11ltsc2024-20260710-en
Malware Config
Targets
-
- Target DocuSign_Setup.vbs
- Size 20.4MB
- SHA256 b59f3844f2574f2544270eabf052be0658ffe0fbfe3c77eeb8ab6844bcfd1998
- MD5 572d77c4e6f5614781a489780905a4b7
- SHA1 af7aa45dba761805690852702a1b7d05362b1c9e
- SHA512 374868c7ae49582ffd416e8f3e78ca43d71f0fec992109349b17763b2cbeaabe4ad1c875fe414e9d954479ec9727d9e922f41cac6c8c7af25b24ce907ae9d468
- SSDEEP 96:fKNLF6N3PKLSWAwu0iSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSt:WLF6N3PK2Cu05
- TLSH T1EC27099E460A3554C0838F0399A3F2BB2F6767F97796B569298D5110F1E1BBC7233823
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
-
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
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
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
Persistence
Boot or Logon Autostart Execution
2Authentication Package
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
2Authentication Package
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1