General

  • Target

    bc8bc64e94c989d0b0d92049a3037270f199728fb0f18380e2b98d126ea9c125

  • Size

    1.3MB

  • Sample

    241221-v5qwqsvjgv

  • MD5

    7b7afd392137d099482621c53f0b7039

  • SHA1

    3254f9e542e89039a781233e6605dfa721bfe971

  • SHA256

    bc8bc64e94c989d0b0d92049a3037270f199728fb0f18380e2b98d126ea9c125

  • SHA512

    337583582be8dcec39843211cfc1002a10430f0637b279f1a09bafc4b85e9c9d31e58055e1c406646012472aba9250207a6574cfb311b0ca85e83088d333ff1e

  • SSDEEP

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

Malware Config

Targets

    • Target

      bc8bc64e94c989d0b0d92049a3037270f199728fb0f18380e2b98d126ea9c125

    • Size

      1.3MB

    • MD5

      7b7afd392137d099482621c53f0b7039

    • SHA1

      3254f9e542e89039a781233e6605dfa721bfe971

    • SHA256

      bc8bc64e94c989d0b0d92049a3037270f199728fb0f18380e2b98d126ea9c125

    • SHA512

      337583582be8dcec39843211cfc1002a10430f0637b279f1a09bafc4b85e9c9d31e58055e1c406646012472aba9250207a6574cfb311b0ca85e83088d333ff1e

    • 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