Overview

overview

10

Static

static

10

955d7251d1...1N.exe

windows7-x64

10

955d7251d1...1N.exe

windows10-2004-x64

10

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General

  • Target

    955d7251d1c6ae780b5891db98cfa9647f6f00595f8407f34e0dc470e2cb5f51N.exe

  • Size

    1.3MB

  • Sample

    250108-a3jdnawncv

  • MD5

    b0e2960321b91a59de977d278f93b1f0

  • SHA1

    ebc2af5896eab4a22b941e40dcdd86c510f5e07b

  • SHA256

    955d7251d1c6ae780b5891db98cfa9647f6f00595f8407f34e0dc470e2cb5f51

  • SHA512

    f7c6a40865a13dfacd6584d4493654b4040986bc95f57456ade9b410a3257978f0d9f972adf59ee48cbf7a1b5af6111c8965a288f64abd491545ebf768f30135

  • SSDEEP

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

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      955d7251d1c6ae780b5891db98cfa9647f6f00595f8407f34e0dc470e2cb5f51N.exe

    • Size

      1.3MB

    • MD5

      b0e2960321b91a59de977d278f93b1f0

    • SHA1

      ebc2af5896eab4a22b941e40dcdd86c510f5e07b

    • SHA256

      955d7251d1c6ae780b5891db98cfa9647f6f00595f8407f34e0dc470e2cb5f51

    • SHA512

      f7c6a40865a13dfacd6584d4493654b4040986bc95f57456ade9b410a3257978f0d9f972adf59ee48cbf7a1b5af6111c8965a288f64abd491545ebf768f30135

    • 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