General

  • Target

    Архив ZIP - WinRAR.zip

  • Size

    1.5MB

  • Sample

    241205-vy8szazqhr

  • MD5

    48cf11b5abbd762bdc90ac376cfa33f1

  • SHA1

    97a20a51cf4a6cc0f12c2731653a1bc55d41aaf9

  • SHA256

    67532096f84b99406b8d26906f43a09cccd5899e7ebfd0412b013ddd833f69d2

  • SHA512

    a64ded333a546b36226a67a17a81f1a4db3222b31aa8418f580ee0b9783ba95a081368915a713679f57b30be9d642f895cccdc39e37e88a395c1639441684f5a

  • SSDEEP

    24576:VggBCOgPdC7mSpqlyYLMB4Tr03lCZKewXS3+Y5R0iXd93LH6+1Dtv7:6gBTgo7mskydBtYF9/0Sd9bV1Dtj

Malware Config

Targets

    • Target

      Архив ZIP - WinRAR.zip

    • Size

      1.5MB

    • MD5

      48cf11b5abbd762bdc90ac376cfa33f1

    • SHA1

      97a20a51cf4a6cc0f12c2731653a1bc55d41aaf9

    • SHA256

      67532096f84b99406b8d26906f43a09cccd5899e7ebfd0412b013ddd833f69d2

    • SHA512

      a64ded333a546b36226a67a17a81f1a4db3222b31aa8418f580ee0b9783ba95a081368915a713679f57b30be9d642f895cccdc39e37e88a395c1639441684f5a

    • SSDEEP

      24576:VggBCOgPdC7mSpqlyYLMB4Tr03lCZKewXS3+Y5R0iXd93LH6+1Dtv7:6gBTgo7mskydBtYF9/0Sd9bV1Dtj

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks