Overview

overview

10

Static

static

10

cf390d02fd...a9.exe

windows7-x64

10

cf390d02fd...a9.exe

windows10-2004-x64

10

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General

  • Target

    cf390d02fd13e76c0c76587708745a4d48720a0133ff7481e410f34d2fe769a9.exe

  • Size

    1.3MB

  • Sample

    250107-njkdhayqaz

  • MD5

    c97413b81bcdb93be50d7727deccf6db

  • SHA1

    e064aa064f88d650614b21c13225590e4ba60211

  • SHA256

    cf390d02fd13e76c0c76587708745a4d48720a0133ff7481e410f34d2fe769a9

  • SHA512

    74d57157a39413d768d7cc94b3b7ce61e699f9004a7a4afdf76fbddbb318543f39b72588ebe78fc7db69967925a19f5458b571a44cddb927ec8231e7ab9166c6

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjCJ:UbA30GnzV/q+DnsXgf

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      cf390d02fd13e76c0c76587708745a4d48720a0133ff7481e410f34d2fe769a9.exe

    • Size

      1.3MB

    • MD5

      c97413b81bcdb93be50d7727deccf6db

    • SHA1

      e064aa064f88d650614b21c13225590e4ba60211

    • SHA256

      cf390d02fd13e76c0c76587708745a4d48720a0133ff7481e410f34d2fe769a9

    • SHA512

      74d57157a39413d768d7cc94b3b7ce61e699f9004a7a4afdf76fbddbb318543f39b72588ebe78fc7db69967925a19f5458b571a44cddb927ec8231e7ab9166c6

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjCJ:UbA30GnzV/q+DnsXgf

    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