General

  • Target
    VAV2008.zip
  • Size 766KB
  • Sample260930-fxnzvavycx
  • SHA256 9c003a0f6a23796f5b3dd3d01027eab4de21a252f79a93f1ce8920375901c89a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      [email protected]
    • Size 770KB
    • SHA256 47769a82ac9994bf50fdb7ff521d2364775afea3da02d55450448a25e6f94645
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies RDP port number used by Windows

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Remote Services: SMB/Windows Admin Shares

      Adversaries may use Valid Accounts to interact with a remote network share using Server Message Block (SMB).

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks