Overview

overview

10

Static

static

10

1049e6b02e...7f.exe

windows7-x64

10

1049e6b02e...7f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1049e6b02e7511fd57634b0469bccd6eb755c10ce92d1dedbae04c3d35dc3f7f.exe

  • Size

    1.3MB

  • Sample

    250107-x3nppswrbq

  • MD5

    dca62d4c24732503d2e450625daf81fa

  • SHA1

    cad685b59160c07d325a12f2fc1951e17cf78476

  • SHA256

    1049e6b02e7511fd57634b0469bccd6eb755c10ce92d1dedbae04c3d35dc3f7f

  • SHA512

    8b913d4f4c9fdea459c757cf17f4d2a1ed39a7926e1343e22610f4d272b4129fdf50f5b7d9e70a5c22c0815dbc7297b7faea5d33807fa3130ec0d1ebde5c1400

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjCx:UbA30GnzV/q+DnsXgX

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      1049e6b02e7511fd57634b0469bccd6eb755c10ce92d1dedbae04c3d35dc3f7f.exe

    • Size

      1.3MB

    • MD5

      dca62d4c24732503d2e450625daf81fa

    • SHA1

      cad685b59160c07d325a12f2fc1951e17cf78476

    • SHA256

      1049e6b02e7511fd57634b0469bccd6eb755c10ce92d1dedbae04c3d35dc3f7f

    • SHA512

      8b913d4f4c9fdea459c757cf17f4d2a1ed39a7926e1343e22610f4d272b4129fdf50f5b7d9e70a5c22c0815dbc7297b7faea5d33807fa3130ec0d1ebde5c1400

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjCx:UbA30GnzV/q+DnsXgX

    Score
    10/10
    dcratdiscoveryexecutioninfostealerrat

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks