Overview

overview

10

Static

static

10

4864cff21e...27.exe

windows7-x64

10

4864cff21e...27.exe

windows10-2004-x64

10

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General

  • Target

    4864cff21e7846a6c8fed9052a86845e34c034d3b6d57687160704dcb0f3ba27

  • Size

    1.3MB

  • Sample

    241221-vq1gmatqgr

  • MD5

    d62bc75600a21a6c8443e01c29efff9b

  • SHA1

    279120785ce5f07963738f569b788c61554e94e4

  • SHA256

    4864cff21e7846a6c8fed9052a86845e34c034d3b6d57687160704dcb0f3ba27

  • SHA512

    f696c08bb1991828a8cb05258a3b28d254a52075873bcf1358a990430885d6961ae61dfbe2e3654a2e43f8feb53f87fb5e1d789d09e9ef08d68fb2d62a81e675

  • SSDEEP

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

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      4864cff21e7846a6c8fed9052a86845e34c034d3b6d57687160704dcb0f3ba27

    • Size

      1.3MB

    • MD5

      d62bc75600a21a6c8443e01c29efff9b

    • SHA1

      279120785ce5f07963738f569b788c61554e94e4

    • SHA256

      4864cff21e7846a6c8fed9052a86845e34c034d3b6d57687160704dcb0f3ba27

    • SHA512

      f696c08bb1991828a8cb05258a3b28d254a52075873bcf1358a990430885d6961ae61dfbe2e3654a2e43f8feb53f87fb5e1d789d09e9ef08d68fb2d62a81e675

    • 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