General
- Target 18072026_0915_AcrbtPDF_Reader_AdobeInstaller_package.vbs.zip
- Size 652B
- Sample260718-k77l6aas4v
- SHA256 b85d264e4e5e00c0b86156b2281455d4038a3d10eca5008eee65281083a75dc2
- MD5 4b20261caf984eb52ca925c9a5d9c5bb
- SHA1 86a237b911d16d5923970ad0486782f48c736450
- SHA512 b7935ac61ba753bfe1f583f4e506c82d225b203ee1c0c8a34926378f5ab663e525326478ec3b2131766e03e78a14146cb0ed19383ee84c74a9f58a1525a9994c
- TLSH T146F0683D06571FC1D45A6BF4308F1E9445984570DD31565BCD8280EF68525C42E33185
- MD5 SHA1 SHA512 TLSH
Static task
static1
Behavioral task
behavioral1
Sample
AcrbtPDF_Reader_AdobeInstaller_package.vbs
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
AcrbtPDF_Reader_AdobeInstaller_package.vbs
Resource
win11ltsc2024-20260710-en
Malware Config
Targets
-
- Target AcrbtPDF_Reader_AdobeInstaller_package.vbs
- Size 878B
- SHA256 df3be0fd8cad31b6a84a1f483558496da4fc1b28dd7fd2752cfdb0cc53df2e73
- MD5 482f3e2bdd7a5585eb7b31f4f64ed1b9
- SHA1 e9281d9a57a21358ecc9ae1f18dcbbcb8192f4ec
- SHA512 f350b174fe6cd27a1aa2bebb5c099e9ecc01201cb0f6c54e69a1a44739c9e7cb2c295ca81fbb9783fda2b532ffab0bf2d7e34ad3ddff731edde289a4025666f9
- TLSH T179114C860F91DD950B1952899D88BED228B61360220A2DF2BD384D5045CCD37B2ECDDB
- MD5 SHA1 SHA512 TLSH
-
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