General

  • Target

    b76ed77d0f8ed9d268e61fd39a135d04a29d7ebbc52a5efc14a22440261bfae7

  • Size

    1.3MB

  • Sample

    241221-t8kcpatjgt

  • MD5

    8bb337eba353818e44fd5f985e1a8d3c

  • SHA1

    875a05913d56539e42df069163dfe4ea003c07e5

  • SHA256

    b76ed77d0f8ed9d268e61fd39a135d04a29d7ebbc52a5efc14a22440261bfae7

  • SHA512

    19f4598127a3c6c11a13565ccc557f0a58f593abb14b3647e0ab04fa6cf08ee26ca792d3f8c8e68b2e723236862e86c306d03b170458e5526436900771bec530

  • SSDEEP

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

Malware Config

Targets

    • Target

      b76ed77d0f8ed9d268e61fd39a135d04a29d7ebbc52a5efc14a22440261bfae7

    • Size

      1.3MB

    • MD5

      8bb337eba353818e44fd5f985e1a8d3c

    • SHA1

      875a05913d56539e42df069163dfe4ea003c07e5

    • SHA256

      b76ed77d0f8ed9d268e61fd39a135d04a29d7ebbc52a5efc14a22440261bfae7

    • SHA512

      19f4598127a3c6c11a13565ccc557f0a58f593abb14b3647e0ab04fa6cf08ee26ca792d3f8c8e68b2e723236862e86c306d03b170458e5526436900771bec530

    • 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