General

  • Target

    03f8f28519d064e46b87f50af8c2cb5b300a8898249618daee93ebbb61c41371

  • Size

    1.6MB

  • Sample

    250325-x4ylasvlx7

  • MD5

    3460086ec800f981300049f405f07ab7

  • SHA1

    6e642473448a705bfa2a9d9d54d1b0fdd88ed791

  • SHA256

    03f8f28519d064e46b87f50af8c2cb5b300a8898249618daee93ebbb61c41371

  • SHA512

    f7c9ac03a980ee2dfda8cb7e94a01375c326c32be75c628a9848409f2e621f69965b28fec3f8851cedb122c16aa66f8cb29dc92816ba0c83270a09b876828f88

  • SSDEEP

    24576:6sm8JijftfWIqZpyh/X6bSmV2GKz1oncoiF9GFwUvpHk3tSfEybcswrJ4gOEGEk:6D8Jijt+xpS/ekYmLGdhEAf7bCcjE

Malware Config

Targets

    • Target

      03f8f28519d064e46b87f50af8c2cb5b300a8898249618daee93ebbb61c41371

    • Size

      1.6MB

    • MD5

      3460086ec800f981300049f405f07ab7

    • SHA1

      6e642473448a705bfa2a9d9d54d1b0fdd88ed791

    • SHA256

      03f8f28519d064e46b87f50af8c2cb5b300a8898249618daee93ebbb61c41371

    • SHA512

      f7c9ac03a980ee2dfda8cb7e94a01375c326c32be75c628a9848409f2e621f69965b28fec3f8851cedb122c16aa66f8cb29dc92816ba0c83270a09b876828f88

    • SSDEEP

      24576:6sm8JijftfWIqZpyh/X6bSmV2GKz1oncoiF9GFwUvpHk3tSfEybcswrJ4gOEGEk:6D8Jijt+xpS/ekYmLGdhEAf7bCcjE

    • 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

MITRE ATT&CK Enterprise v15

Tasks

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