General

  • Target

    99a20865f28fae6e6830052801b8a41952a9d5822ce80d6d1abce47dba6552b8

  • Size

    1.3MB

  • Sample

    250106-fhj3cayphm

  • MD5

    e04e9b351573dde7b469c75b567c0497

  • SHA1

    7a1093ac054cc74255a4ea583d4c8c79c7b81876

  • SHA256

    99a20865f28fae6e6830052801b8a41952a9d5822ce80d6d1abce47dba6552b8

  • SHA512

    d4296abb1dd2657115bca9cfd512553e07c97334e817d14d02f941c06ae3d2c410f51aa0a6bd489bb204b3af94079dd2d036ce35f5eacc9669c920d7547bccba

  • SSDEEP

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

Malware Config

Targets

    • Target

      99a20865f28fae6e6830052801b8a41952a9d5822ce80d6d1abce47dba6552b8

    • Size

      1.3MB

    • MD5

      e04e9b351573dde7b469c75b567c0497

    • SHA1

      7a1093ac054cc74255a4ea583d4c8c79c7b81876

    • SHA256

      99a20865f28fae6e6830052801b8a41952a9d5822ce80d6d1abce47dba6552b8

    • SHA512

      d4296abb1dd2657115bca9cfd512553e07c97334e817d14d02f941c06ae3d2c410f51aa0a6bd489bb204b3af94079dd2d036ce35f5eacc9669c920d7547bccba

    • 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