General

  • Target
    marlowwwclient-v4.jar
  • Size 2.3MB
  • Sample260724-p8d4fs1bja
  • SHA256 d9305c26d146a2179ff4cff85472473def1c766bc1fc7315e8d04348a1f56c12
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      marlowwwclient-v4.jar
    • Size 2.3MB
    • SHA256 d9305c26d146a2179ff4cff85472473def1c766bc1fc7315e8d04348a1f56c12
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • 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.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks