Overview

overview

10

Static

static

10

cc982bb107...03.exe

windows7_x64

10

cc982bb107...03.exe

windows10_x64

10

Sharing

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General

  • Target
    cc982bb10719da0325bdd790df6b3a03
  • Size 710KB
  • Sample210729-ex2e7w641x
  • SHA256 23b110e0a381abb4d44bd7e2906548429ee426d9463a02af31dc3dd98c044341
  • MD5 SHA1 SHA512
Score
10/10
dcratinfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target
      cc982bb10719da0325bdd790df6b3a03
    • Size 710KB
    • SHA256 23b110e0a381abb4d44bd7e2906548429ee426d9463a02af31dc3dd98c044341
    • MD5 SHA1 SHA512
    Score
    10/10
    dcratinfostealerpersistenceratspywarestealer

    • 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.

    • DCRat Payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • 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