Overview

overview

10

Static

static

10

749d45aebd...5a.exe

windows7-x64

10

749d45aebd...5a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    749d45aebd98b6bdde085f4300f3a436b6d9390d41caa2c1909a89bb505e3f5a.exe

  • Size

    1.3MB

  • Sample

    250107-2t3vgssmgy

  • MD5

    0e49db0d206eed714574b0663d080cfa

  • SHA1

    a7e2e9804148dbac51ccf860e0eba994b050b251

  • SHA256

    749d45aebd98b6bdde085f4300f3a436b6d9390d41caa2c1909a89bb505e3f5a

  • SHA512

    8d5cfd219ee419ff1ead6cbd4b50566994134edf8820a55df7a4c266e496ded5d3001c6d9dd6fc95f6c919a3e8726998ff49a2569d43b172219a535bda7ac389

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjCr:UbA30GnzV/q+DnsXgt

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      749d45aebd98b6bdde085f4300f3a436b6d9390d41caa2c1909a89bb505e3f5a.exe

    • Size

      1.3MB

    • MD5

      0e49db0d206eed714574b0663d080cfa

    • SHA1

      a7e2e9804148dbac51ccf860e0eba994b050b251

    • SHA256

      749d45aebd98b6bdde085f4300f3a436b6d9390d41caa2c1909a89bb505e3f5a

    • SHA512

      8d5cfd219ee419ff1ead6cbd4b50566994134edf8820a55df7a4c266e496ded5d3001c6d9dd6fc95f6c919a3e8726998ff49a2569d43b172219a535bda7ac389

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjCr:UbA30GnzV/q+DnsXgt

    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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks