General

  • Target

    397de25eb509188dacf565de5903bcb4a29570d9d8af9069a56fb82d951798a7.exe

  • Size

    1.7MB

  • Sample

    250111-l5k6taylcn

  • MD5

    a2dbf84e232d624efdbe3d587b42c9df

  • SHA1

    c1938ad90a6403a6310560039dc8437f7664bcdb

  • SHA256

    397de25eb509188dacf565de5903bcb4a29570d9d8af9069a56fb82d951798a7

  • SHA512

    4082b89dce58e274cbb157af86d7d7670783a215d7c2f4871c8e5eb8bbf5002457b8b3bcd4b0bbf9aa30e333d390edb148e9e4d7b565ca69a571141721f8255d

  • SSDEEP

    24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJc:NgwuuEpdDLNwVMeXDL0fdSzAG9

Malware Config

Targets

    • Target

      397de25eb509188dacf565de5903bcb4a29570d9d8af9069a56fb82d951798a7.exe

    • Size

      1.7MB

    • MD5

      a2dbf84e232d624efdbe3d587b42c9df

    • SHA1

      c1938ad90a6403a6310560039dc8437f7664bcdb

    • SHA256

      397de25eb509188dacf565de5903bcb4a29570d9d8af9069a56fb82d951798a7

    • SHA512

      4082b89dce58e274cbb157af86d7d7670783a215d7c2f4871c8e5eb8bbf5002457b8b3bcd4b0bbf9aa30e333d390edb148e9e4d7b565ca69a571141721f8255d

    • SSDEEP

      24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJc:NgwuuEpdDLNwVMeXDL0fdSzAG9

    • 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