General

  • Target

    a646789828f0971625ceb2e11b91d5035b13d0fcb61391d298e638299092fad2

  • Size

    1.3MB

  • Sample

    241221-ts9bwaspct

  • MD5

    22dcb2eedce7fd0f2b1ed2d2910614ce

  • SHA1

    7e034be074ccdce59d96e23e42a0e0f1ed74d076

  • SHA256

    a646789828f0971625ceb2e11b91d5035b13d0fcb61391d298e638299092fad2

  • SHA512

    e38cc6d424cba3a13c964e54b653f8dc4601eb56a316c5d240e024fcb4aafa2764b35d7e9e80be92aa8b58c090b402a65469cfdeb4ecf8ebbce9ae84476d0642

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

Malware Config

Targets

    • Target

      a646789828f0971625ceb2e11b91d5035b13d0fcb61391d298e638299092fad2

    • Size

      1.3MB

    • MD5

      22dcb2eedce7fd0f2b1ed2d2910614ce

    • SHA1

      7e034be074ccdce59d96e23e42a0e0f1ed74d076

    • SHA256

      a646789828f0971625ceb2e11b91d5035b13d0fcb61391d298e638299092fad2

    • SHA512

      e38cc6d424cba3a13c964e54b653f8dc4601eb56a316c5d240e024fcb4aafa2764b35d7e9e80be92aa8b58c090b402a65469cfdeb4ecf8ebbce9ae84476d0642

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks