General

  • Target

    8a2b6f9995b027c6c3e8c3831dff97c05e10d5c5289f34c567841f13e8bb0969N.exe

  • Size

    1.7MB

  • Sample

    241129-ym6e9atjht

  • MD5

    4a5c7c2dbe4a21ac2ba7fbe0f6d95b00

  • SHA1

    9afae33f6d4d8c5f8ec826c9cb344e72b26095fc

  • SHA256

    8a2b6f9995b027c6c3e8c3831dff97c05e10d5c5289f34c567841f13e8bb0969

  • SHA512

    3ed0b9cf6b6794d35ccb688a808f14ccf1c4b52b0464f80595b86d0eb347268ccffc05dfbcfe2c2103afeff8ef31045cb9e88edeba0436ad6294f97514fca8c6

  • SSDEEP

    24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

Malware Config

Targets

    • Target

      8a2b6f9995b027c6c3e8c3831dff97c05e10d5c5289f34c567841f13e8bb0969N.exe

    • Size

      1.7MB

    • MD5

      4a5c7c2dbe4a21ac2ba7fbe0f6d95b00

    • SHA1

      9afae33f6d4d8c5f8ec826c9cb344e72b26095fc

    • SHA256

      8a2b6f9995b027c6c3e8c3831dff97c05e10d5c5289f34c567841f13e8bb0969

    • SHA512

      3ed0b9cf6b6794d35ccb688a808f14ccf1c4b52b0464f80595b86d0eb347268ccffc05dfbcfe2c2103afeff8ef31045cb9e88edeba0436ad6294f97514fca8c6

    • SSDEEP

      24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

    • 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