General

  • Target
    DropboxInstaller.exe
  • Size 10.3MB
  • Sample260703-2tmhhads3j
  • SHA256 9e123d7451cf4e0d08e8bcd5b28a88c149a751ab21527faed588690fc3be7678
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      DropboxInstaller.exe
    • Size 10.3MB
    • SHA256 9e123d7451cf4e0d08e8bcd5b28a88c149a751ab21527faed588690fc3be7678
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Drops file in Drivers directory

    • Adds Run key to start application

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops file in System32 directory

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks