Overview

overview

10

Static

static

10

DCRatBuild.exe

windows10-ltsc 2021-x64

10

DCRatBuild.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    DCRatBuild.exe

  • Size

    1.3MB

  • Sample

    250116-zs8cgazkbr

  • MD5

    28c9205807203203b71d3bd96798998a

  • SHA1

    1e5a4a9e3b3f32a177d00919d48ef8d8375bf91b

  • SHA256

    65b0c87250c7207266c3106b971952371a617a6d8a71961261f9cee48d3b5af1

  • SHA512

    eafc27377283d50890c2212aa73dd8474974dc81a358774ae2aab4bd4678680d187281a45338b86ba50d41c01772c69fc3816d6688173da78bcf333d867274e8

  • SSDEEP

    24576:U2G/nvxW3Ww0tQT2vWFQ/NJcu6EpfGr5ys8NL/IRNWdtmV:UbA30TNJcKGrJkzIDW2

Score
10/10
dcratdiscoveryinfostealerrat

Malware Config

Targets

    • Target

      DCRatBuild.exe

    • Size

      1.3MB

    • MD5

      28c9205807203203b71d3bd96798998a

    • SHA1

      1e5a4a9e3b3f32a177d00919d48ef8d8375bf91b

    • SHA256

      65b0c87250c7207266c3106b971952371a617a6d8a71961261f9cee48d3b5af1

    • SHA512

      eafc27377283d50890c2212aa73dd8474974dc81a358774ae2aab4bd4678680d187281a45338b86ba50d41c01772c69fc3816d6688173da78bcf333d867274e8

    • SSDEEP

      24576:U2G/nvxW3Ww0tQT2vWFQ/NJcu6EpfGr5ys8NL/IRNWdtmV:UbA30TNJcKGrJkzIDW2

    Score
    10/10
    dcratdiscoveryinfostealerrat

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • 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.

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks