General
- Target 23082026_1626_18082026_Acrobat_Reader_EN_Setup.vbs.zip
- Size 1KB
- Sample260823-txvdhsybna
- SHA256 5d21ca06ff3ab295db8cce49765963ea9702b51245908d74ad7726afee763542
- MD5 7e9cf4aed283e50329d7c8bd538f214b
- SHA1 f8a616fd33922213f7fe257620f184875fcc6d9e
- SHA512 3ae2865bca582b5512f5c880cb4dff262bccbcfe211361dcaafaed35c916b2d56c6ae44c9f99c60edbd387c63f7b7f7c400860e59d1c4dcf0075b7097dae10a8
- TLSH T17C31FA4F9EC008E4CAAE9EA6F4B7B316830E56C056046B57D7E1EAF7B4895247B0413E
- MD5 SHA1 SHA512 TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Acrobat_Reader_EN_Setup.vbs
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Acrobat_Reader_EN_Setup.vbs
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target Acrobat_Reader_EN_Setup.vbs
- Size 3KB
- SHA256 e1c06253455b3d75bb45f329c39a7173e732468c7aab723c56db8fe54ea3f79c
- MD5 69fdb944ac8fb6053052395e42b3f71f
- SHA1 630608414f188151dacb749da1d2da6fdd5820c5
- SHA512 83d1940c5bdd742bda0ab947fd482fcc446bd546bd8616f069749cc5b5ff5897990c120484ba2c3785668dc299380b3ab9cfec85d298f38c9fd312c63a5bc95e
- TLSH T1C281B813BB07DB508773859AD1D7640CC2AD723B261828397C9CC5550F3679A62D1ECF
- MD5 SHA1 SHA512 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
Execution
Command and Scripting Interpreter
4PowerShell
2Visual Basic
1Windows Command Shell
1Persistence
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