Overview

overview

10

Static

static

10

504d5f8b0b...b4.exe

windows7-x64

10

504d5f8b0b...b4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    504d5f8b0b7e318681bf1abc35ae32cfcb3e880499fba0950fd5d26c1bdb45b4.exe

  • Size

    1.3MB

  • Sample

    250108-bx3e1szndr

  • MD5

    ee2939e6b43088446c1cea11b1d260b4

  • SHA1

    6ec0bbd3429a763f74a412c1ada9b87a931a31ac

  • SHA256

    504d5f8b0b7e318681bf1abc35ae32cfcb3e880499fba0950fd5d26c1bdb45b4

  • SHA512

    34eae169d468692c5c7971eb99b6f00f6943e0122ada5c37f820abf4c4872de903e93810081e3f4adc357b29e7da9d13a1962de423ead5d98d1a3b734d69fadc

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjCz:UbA30GnzV/q+DnsXgl

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      504d5f8b0b7e318681bf1abc35ae32cfcb3e880499fba0950fd5d26c1bdb45b4.exe

    • Size

      1.3MB

    • MD5

      ee2939e6b43088446c1cea11b1d260b4

    • SHA1

      6ec0bbd3429a763f74a412c1ada9b87a931a31ac

    • SHA256

      504d5f8b0b7e318681bf1abc35ae32cfcb3e880499fba0950fd5d26c1bdb45b4

    • SHA512

      34eae169d468692c5c7971eb99b6f00f6943e0122ada5c37f820abf4c4872de903e93810081e3f4adc357b29e7da9d13a1962de423ead5d98d1a3b734d69fadc

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjCz:UbA30GnzV/q+DnsXgl

    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