Overview

overview

10

Static

static

10

acf103c7f9...65.exe

windows7-x64

10

acf103c7f9...65.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    acf103c7f92a768be5d3630595a862d5cc622e02815af5f0456abcd04cdf0365

  • Size

    1.3MB

  • Sample

    241221-v7crwsvmaj

  • MD5

    d6e3101e99d7a899c4b85fca6f08159e

  • SHA1

    88863d9fa6a400ace70e4c3a6d397642f1e6243e

  • SHA256

    acf103c7f92a768be5d3630595a862d5cc622e02815af5f0456abcd04cdf0365

  • SHA512

    c99353db213f3d588c0c1c718c8be15459a93b94b6035fe14d47ec818a8e07b5e979f2763302f05d2d07536530d083a52cc62cd5fa7b0a2a7fc37f85e47137b7

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      acf103c7f92a768be5d3630595a862d5cc622e02815af5f0456abcd04cdf0365

    • Size

      1.3MB

    • MD5

      d6e3101e99d7a899c4b85fca6f08159e

    • SHA1

      88863d9fa6a400ace70e4c3a6d397642f1e6243e

    • SHA256

      acf103c7f92a768be5d3630595a862d5cc622e02815af5f0456abcd04cdf0365

    • SHA512

      c99353db213f3d588c0c1c718c8be15459a93b94b6035fe14d47ec818a8e07b5e979f2763302f05d2d07536530d083a52cc62cd5fa7b0a2a7fc37f85e47137b7

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

    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