Overview

overview

10

Static

static

900eb9fef2...a1.exe

windows7_x64

10

900eb9fef2...a1.exe

windows10_x64

10

Sharing

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General

  • Target
    900eb9fef2464a9f9d8f8e6583bcb8a1.exe
  • Size 1.4MB
  • Sample220130-13xt6abccq
  • SHA256 40fb662761491390c1e86e0e2d7cfc671b2239a5c3109ee0c76c963cf1f1fd62
  • MD5 SHA1 SHA512
Score
10/10
dcratinfostealerpersistenceratspywarestealersuricata

Malware Config

Targets

    • Target
      900eb9fef2464a9f9d8f8e6583bcb8a1.exe
    • Size 1.4MB
    • SHA256 40fb662761491390c1e86e0e2d7cfc671b2239a5c3109ee0c76c963cf1f1fd62
    • MD5 SHA1 SHA512
    Score
    10/10
    dcratinfostealerpersistenceratspywarestealersuricata

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • suricata: ET MALWARE DCRAT Activity (GET)

      suricata: ET MALWARE DCRAT Activity (GET)

      suricata

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks