General

  • Target

    4c515d3dbf9ecaffb9159c3b8ad6915f8fa0c293dfa524008848b9dd2cb9565e.exe

  • Size

    1.3MB

  • Sample

    250107-aptx8svqay

  • MD5

    aca556190729f0f2f90b12a52c440453

  • SHA1

    f9c791e5be25dd97b1b7982a9d09074cc3d14b8c

  • SHA256

    4c515d3dbf9ecaffb9159c3b8ad6915f8fa0c293dfa524008848b9dd2cb9565e

  • SHA512

    09d7a43c22996b8220366f07c77999d1676ef7305bec7e4fb9b28eff25d501a6065e50727de9b48e75db918aa3d10529bbe8ec9f73e3678e210f9b1d6ede8f5e

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjCZ:UbA30GnzV/q+DnsXgP

Malware Config

Targets

    • Target

      4c515d3dbf9ecaffb9159c3b8ad6915f8fa0c293dfa524008848b9dd2cb9565e.exe

    • Size

      1.3MB

    • MD5

      aca556190729f0f2f90b12a52c440453

    • SHA1

      f9c791e5be25dd97b1b7982a9d09074cc3d14b8c

    • SHA256

      4c515d3dbf9ecaffb9159c3b8ad6915f8fa0c293dfa524008848b9dd2cb9565e

    • SHA512

      09d7a43c22996b8220366f07c77999d1676ef7305bec7e4fb9b28eff25d501a6065e50727de9b48e75db918aa3d10529bbe8ec9f73e3678e210f9b1d6ede8f5e

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjCZ:UbA30GnzV/q+DnsXgP

    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks