General

  • Target

    79f0b4bfe4cda1bb1a974b2ba91baf5c6e92f1ee55914a91ed50173cf368d2bb

  • Size

    1.3MB

  • Sample

    241221-vzbvmavjhr

  • MD5

    cad4b3ae554d4b8ab8bfa1e6c67c18e4

  • SHA1

    9566b8d24a582ba40749294765be1eedc6096b8c

  • SHA256

    79f0b4bfe4cda1bb1a974b2ba91baf5c6e92f1ee55914a91ed50173cf368d2bb

  • SHA512

    1399351ff267aa004aacd39efe27eab881cd0ed3175d1cf7a04b4750ac857de8da5b8da54a2a80caba00d58b12eaa792874fcbe6b7463a87d99c9e8080b6ba25

  • SSDEEP

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

Malware Config

Targets

    • Target

      79f0b4bfe4cda1bb1a974b2ba91baf5c6e92f1ee55914a91ed50173cf368d2bb

    • Size

      1.3MB

    • MD5

      cad4b3ae554d4b8ab8bfa1e6c67c18e4

    • SHA1

      9566b8d24a582ba40749294765be1eedc6096b8c

    • SHA256

      79f0b4bfe4cda1bb1a974b2ba91baf5c6e92f1ee55914a91ed50173cf368d2bb

    • SHA512

      1399351ff267aa004aacd39efe27eab881cd0ed3175d1cf7a04b4750ac857de8da5b8da54a2a80caba00d58b12eaa792874fcbe6b7463a87d99c9e8080b6ba25

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks