General

  • Target
    E-sign_Document-GTJG4O.zip
  • Size 352B
  • Sample260711-wt3a3agv6r
  • SHA256 fbc10f0c815febd6285aae685301c83e222b37b8c6894695299a3a6a86a66582
  • MD5 SHA1 SHA512 TLSH

Malware Config

Targets

    • Target
      E-sign_Document-GTJG4O.vbs
    • Size 286B
    • SHA256 084c2aabf73108a8a9deb4466f1605c0e18290f9cfdbbed533025be2b96fe649
    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • ConnectWise ScreenConnect remote access tool

      ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

    • 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

    • Use of msiexec (install) with remote resource

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • 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

MITRE ATT&CK Enterprise v16

Tasks