General

  • Target

    82759b8cd1fe8cd28a019661fe3267f8bd43329ab0c3128df0adca78d026d749N

  • Size

    1.3MB

  • Sample

    241107-nj5z7s1fkh

  • MD5

    af5f8571428fe1869dc7c4575a789150

  • SHA1

    80307a760d0dd2ded1841d6a81263be3578d3153

  • SHA256

    82759b8cd1fe8cd28a019661fe3267f8bd43329ab0c3128df0adca78d026d749

  • SHA512

    5f3c005585dcc210ca985e21317da06e313e0e2fc0eb2833c100d055ace2d2aaef0076ba26ad68e3d6fa8d78b88302fa00a928c9449c11b233bbd3762fec5a39

  • SSDEEP

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

Malware Config

Targets

    • Target

      82759b8cd1fe8cd28a019661fe3267f8bd43329ab0c3128df0adca78d026d749N

    • Size

      1.3MB

    • MD5

      af5f8571428fe1869dc7c4575a789150

    • SHA1

      80307a760d0dd2ded1841d6a81263be3578d3153

    • SHA256

      82759b8cd1fe8cd28a019661fe3267f8bd43329ab0c3128df0adca78d026d749

    • SHA512

      5f3c005585dcc210ca985e21317da06e313e0e2fc0eb2833c100d055ace2d2aaef0076ba26ad68e3d6fa8d78b88302fa00a928c9449c11b233bbd3762fec5a39

    • 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