General

  • Target
    Internet Download Manager 6.43.6.exe
  • Size 13.9MB
  • Sample260720-wq2kcsax4j
  • SHA256 e23e10744d8c2f0e9027367bfe1e1e2a3586a97435b1abda5763cd97547d7a71
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Internet Download Manager 6.43.6.exe
    • Size 13.9MB
    • SHA256 e23e10744d8c2f0e9027367bfe1e1e2a3586a97435b1abda5763cd97547d7a71
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Drops file in Drivers directory

    • A potential corporate email address has been identified in the URL: [email protected]

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks