General

  • Target

    642ab556168baf4ec41c4e9f55bdc60e.exe

  • Size

    1.1MB

  • Sample

    231209-dpl46sfhb9

  • MD5

    642ab556168baf4ec41c4e9f55bdc60e

  • SHA1

    35a90fbaa712a843766b1a064b1ee87f2e523fea

  • SHA256

    1f9168ebe5c0fb87e5d3a637d2dfc6d6271ef1ad37c9da811743cc28dffccb1e

  • SHA512

    c2da42212a4498e7e4d5fdbda489585bc10360085c4aa797fc633f2aaa53512c2af59bb4b3d179270715126e5b577d44e3bd2494b2293e62f40ae5bcb685a7e7

  • SSDEEP

    24576:/GsGAlkenHFOdfepVmC7iBtV2IwQZhAOCLYft/x:/XlzMUVatV2JkKzsft

Malware Config

Targets

    • Target

      642ab556168baf4ec41c4e9f55bdc60e.exe

    • Size

      1.1MB

    • MD5

      642ab556168baf4ec41c4e9f55bdc60e

    • SHA1

      35a90fbaa712a843766b1a064b1ee87f2e523fea

    • SHA256

      1f9168ebe5c0fb87e5d3a637d2dfc6d6271ef1ad37c9da811743cc28dffccb1e

    • SHA512

      c2da42212a4498e7e4d5fdbda489585bc10360085c4aa797fc633f2aaa53512c2af59bb4b3d179270715126e5b577d44e3bd2494b2293e62f40ae5bcb685a7e7

    • SSDEEP

      24576:/GsGAlkenHFOdfepVmC7iBtV2IwQZhAOCLYft/x:/XlzMUVatV2JkKzsft

    • DcRat

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

    • Modifies WinLogon for persistence

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks