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General

  • Target

    0f4cc22a435dbc0b8871e23761d09e840fee180548af4de10e027cdf6b818735N.exe

  • Size

    1.7MB

  • Sample

    250116-ke58ma1pdz

  • MD5

    73f8fb574f3eb89a16b9170aad01fec0

  • SHA1

    15bf5763fc20fd9f777092176e16337941694ea3

  • SHA256

    0f4cc22a435dbc0b8871e23761d09e840fee180548af4de10e027cdf6b818735

  • SHA512

    115d89d8231c66101290fe4d73b8c51d56c21727c7cb855815254bbcd7c0e1f8bd97e23f329ccb665ddc8fe7dc18aad5149bfac4d9fe2ce25ded706ff842e2d9

  • SSDEEP

    24576:j3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:jgwuuEpdDLNwVMeXDL0fdSzAG

Malware Config

Targets

    • Target

      0f4cc22a435dbc0b8871e23761d09e840fee180548af4de10e027cdf6b818735N.exe

    • Size

      1.7MB

    • MD5

      73f8fb574f3eb89a16b9170aad01fec0

    • SHA1

      15bf5763fc20fd9f777092176e16337941694ea3

    • SHA256

      0f4cc22a435dbc0b8871e23761d09e840fee180548af4de10e027cdf6b818735

    • SHA512

      115d89d8231c66101290fe4d73b8c51d56c21727c7cb855815254bbcd7c0e1f8bd97e23f329ccb665ddc8fe7dc18aad5149bfac4d9fe2ce25ded706ff842e2d9

    • SSDEEP

      24576:j3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:jgwuuEpdDLNwVMeXDL0fdSzAG

    • 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