General

  • Target

    5bebcdba779f07698db032b764c1fb214f3ee493a718aa78bcac6a5a7bb074f7N.exe

  • Size

    1.7MB

  • Sample

    241218-jf3y8a1ldq

  • MD5

    f59ecdbcab34fe5159a7d218e5a65f40

  • SHA1

    36b1e99369d6a2199fccddcb0c9a0f08f7ac9ef8

  • SHA256

    5bebcdba779f07698db032b764c1fb214f3ee493a718aa78bcac6a5a7bb074f7

  • SHA512

    9ee5e476d561d0f8b4a3b94c9ee215411f19987c4dadbc76521cb6190a3d412f606d1eb3339c38fd83a1a50d95f7b916c8e7a5a14d0b1127d4276dfa29d76cc4

  • SSDEEP

    49152:T+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:+THUxUoh1IF9gl2

Malware Config

Targets

    • Target

      5bebcdba779f07698db032b764c1fb214f3ee493a718aa78bcac6a5a7bb074f7N.exe

    • Size

      1.7MB

    • MD5

      f59ecdbcab34fe5159a7d218e5a65f40

    • SHA1

      36b1e99369d6a2199fccddcb0c9a0f08f7ac9ef8

    • SHA256

      5bebcdba779f07698db032b764c1fb214f3ee493a718aa78bcac6a5a7bb074f7

    • SHA512

      9ee5e476d561d0f8b4a3b94c9ee215411f19987c4dadbc76521cb6190a3d412f606d1eb3339c38fd83a1a50d95f7b916c8e7a5a14d0b1127d4276dfa29d76cc4

    • SSDEEP

      49152:T+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:+THUxUoh1IF9gl2

    • 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.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks