General

  • Target

    JaffaCakes118_40609b7de672d5caba4bc6662eb428dfb3b59acef74300590e854f19aad2e5fe

  • Size

    1.3MB

  • Sample

    241222-fzr5aavpat

  • MD5

    a1356bfafb7d4168bd2dbf99517c07e8

  • SHA1

    5ad7150d7c05364e7c4fbef2573f74d47e98cecb

  • SHA256

    40609b7de672d5caba4bc6662eb428dfb3b59acef74300590e854f19aad2e5fe

  • SHA512

    3a911949f87eeecc6e03ea9b075278047ce38f6a8c5ce0eedd3d262a41e285335d1ba38bb0e0f12b8bca224a9ff77bc7cd861801f70a16f7481df0916738b190

  • SSDEEP

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

Malware Config

Targets

    • Target

      JaffaCakes118_40609b7de672d5caba4bc6662eb428dfb3b59acef74300590e854f19aad2e5fe

    • Size

      1.3MB

    • MD5

      a1356bfafb7d4168bd2dbf99517c07e8

    • SHA1

      5ad7150d7c05364e7c4fbef2573f74d47e98cecb

    • SHA256

      40609b7de672d5caba4bc6662eb428dfb3b59acef74300590e854f19aad2e5fe

    • SHA512

      3a911949f87eeecc6e03ea9b075278047ce38f6a8c5ce0eedd3d262a41e285335d1ba38bb0e0f12b8bca224a9ff77bc7cd861801f70a16f7481df0916738b190

    • 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

MITRE ATT&CK Enterprise v15

Tasks

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