General

  • Target

    b5c6994663af49b9950114a685af96d43d23bf4ac3f0f691169fe280bfd8a6d9N.exe

  • Size

    1.7MB

  • Sample

    250124-qc1s1szlay

  • MD5

    56d660c11eaba52b06b10344f8f01f70

  • SHA1

    0901888a67e7e2ffb61a3ed953c1c38995e941e8

  • SHA256

    b5c6994663af49b9950114a685af96d43d23bf4ac3f0f691169fe280bfd8a6d9

  • SHA512

    847f6ff7c2eda0032c2e5aae696fcc6249760c9b43c404889762caf239317640ce6342d26960947037a5c36604108f9bdb457854b6fffd7ceb0e03564e6a3d02

  • SSDEEP

    49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:OTHUxUoh1IF9gl2

Malware Config

Targets

    • Target

      b5c6994663af49b9950114a685af96d43d23bf4ac3f0f691169fe280bfd8a6d9N.exe

    • Size

      1.7MB

    • MD5

      56d660c11eaba52b06b10344f8f01f70

    • SHA1

      0901888a67e7e2ffb61a3ed953c1c38995e941e8

    • SHA256

      b5c6994663af49b9950114a685af96d43d23bf4ac3f0f691169fe280bfd8a6d9

    • SHA512

      847f6ff7c2eda0032c2e5aae696fcc6249760c9b43c404889762caf239317640ce6342d26960947037a5c36604108f9bdb457854b6fffd7ceb0e03564e6a3d02

    • SSDEEP

      49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:OTHUxUoh1IF9gl2

    • DcRat

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

    • Dcrat family

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks