General

  • Target

    a572d7ac14e164c9eca450da0707237e278e34a55c030977dc0f3c73e3ab177dN.exe

  • Size

    1.7MB

  • Sample

    241230-tmmwpayrdl

  • MD5

    9d62f5b5d9eca0a94ba46565918695f0

  • SHA1

    71bfc63978a703ba9f0b18dae7d2ca67018b7fe8

  • SHA256

    a572d7ac14e164c9eca450da0707237e278e34a55c030977dc0f3c73e3ab177d

  • SHA512

    a1db284ac814611263fee44d158cffb845bf20f92d993518bafb3dfba8a0de6a9d32c1b6545cf515febe61856225707765c9f9db2ca5476347d1674cff818199

  • SSDEEP

    24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

Malware Config

Targets

    • Target

      a572d7ac14e164c9eca450da0707237e278e34a55c030977dc0f3c73e3ab177dN.exe

    • Size

      1.7MB

    • MD5

      9d62f5b5d9eca0a94ba46565918695f0

    • SHA1

      71bfc63978a703ba9f0b18dae7d2ca67018b7fe8

    • SHA256

      a572d7ac14e164c9eca450da0707237e278e34a55c030977dc0f3c73e3ab177d

    • SHA512

      a1db284ac814611263fee44d158cffb845bf20f92d993518bafb3dfba8a0de6a9d32c1b6545cf515febe61856225707765c9f9db2ca5476347d1674cff818199

    • 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