General

  • Target

    d0cf3fa264692d7506b8bc0218f35aa8d1f061826119bfc3df8243ba8fcb776dN

  • Size

    1.3MB

  • Sample

    241104-kwr3bsyckl

  • MD5

    b3de9c174771b39d49d63af31c8c24c0

  • SHA1

    8d673fa53f1bc4c89434a20a2af6d6a873d82c19

  • SHA256

    d0cf3fa264692d7506b8bc0218f35aa8d1f061826119bfc3df8243ba8fcb776d

  • SHA512

    e3e78aae4253d160086d6175ba6929354c8593f42fdfc26f9b1962f94d21c2710926526983753153e6748d41c02bf669c8e31addf3717bc06f87b3ae8da7300e

  • SSDEEP

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

Malware Config

Targets

    • Target

      d0cf3fa264692d7506b8bc0218f35aa8d1f061826119bfc3df8243ba8fcb776dN

    • Size

      1.3MB

    • MD5

      b3de9c174771b39d49d63af31c8c24c0

    • SHA1

      8d673fa53f1bc4c89434a20a2af6d6a873d82c19

    • SHA256

      d0cf3fa264692d7506b8bc0218f35aa8d1f061826119bfc3df8243ba8fcb776d

    • SHA512

      e3e78aae4253d160086d6175ba6929354c8593f42fdfc26f9b1962f94d21c2710926526983753153e6748d41c02bf669c8e31addf3717bc06f87b3ae8da7300e

    • 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