General

  • Target

    a1b70ff76f58cc40a733fd3e84772605.exe

  • Size

    2.6MB

  • Sample

    231204-wf8kxseb87

  • MD5

    a1b70ff76f58cc40a733fd3e84772605

  • SHA1

    9922cdc01956fb20563cfdbab3a43c8d5b4a600b

  • SHA256

    403e2b16c82ecf448b9229cd764e8e83cd5e1045146e624393c44886008f1b59

  • SHA512

    e2f090394812b5328dc44671ee615dc88e46248d342dd8f347223294a462626c88e4a5c484cdc3826a31fc32214e9fc1d386fef3d8b4da16da0d3c43105324d1

  • SSDEEP

    49152:UWInXqnKRaFsLFbL94lADx+V+KOm5uXCLIogkDBdUI:UdMFsLxLempvm5cYg4EI

Malware Config

Targets

    • Target

      a1b70ff76f58cc40a733fd3e84772605.exe

    • Size

      2.6MB

    • MD5

      a1b70ff76f58cc40a733fd3e84772605

    • SHA1

      9922cdc01956fb20563cfdbab3a43c8d5b4a600b

    • SHA256

      403e2b16c82ecf448b9229cd764e8e83cd5e1045146e624393c44886008f1b59

    • SHA512

      e2f090394812b5328dc44671ee615dc88e46248d342dd8f347223294a462626c88e4a5c484cdc3826a31fc32214e9fc1d386fef3d8b4da16da0d3c43105324d1

    • SSDEEP

      49152:UWInXqnKRaFsLFbL94lADx+V+KOm5uXCLIogkDBdUI:UdMFsLxLempvm5cYg4EI

    • DcRat

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

    • 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.

    • Drops startup file

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks