General

  • Target

    a452777147dc02f5d8ccacfc0502ac7c.exe

  • Size

    828KB

  • Sample

    240522-lrkywsba9t

  • MD5

    a452777147dc02f5d8ccacfc0502ac7c

  • SHA1

    da8810335c641f55872b90a6ea7f178a0875721c

  • SHA256

    c1fb621cbb84ba538603cae73960db7969ec4bde877e5692241c82ea25bdf644

  • SHA512

    5015d12dac1a4a6825dcd01adf04b9ea307b3654e851bf07e41087f4ebb1b744b67c397eb0af282b3452cae5849266c7e00c2e41537795d7c78e5c043012d760

  • SSDEEP

    12288:jJx18sm9InH/pOz0KkYXPFSdj+ZygwBEMjdvcGtJN1adr:jBDmqnH/G0KkYXKcedvceN1ar

Malware Config

Targets

    • Target

      a452777147dc02f5d8ccacfc0502ac7c.exe

    • Size

      828KB

    • MD5

      a452777147dc02f5d8ccacfc0502ac7c

    • SHA1

      da8810335c641f55872b90a6ea7f178a0875721c

    • SHA256

      c1fb621cbb84ba538603cae73960db7969ec4bde877e5692241c82ea25bdf644

    • SHA512

      5015d12dac1a4a6825dcd01adf04b9ea307b3654e851bf07e41087f4ebb1b744b67c397eb0af282b3452cae5849266c7e00c2e41537795d7c78e5c043012d760

    • SSDEEP

      12288:jJx18sm9InH/pOz0KkYXPFSdj+ZygwBEMjdvcGtJN1adr:jBDmqnH/G0KkYXKcedvceN1ar

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks