Overview

overview

10

Static

static

8f7bab9df8...61.exe

windows7_x64

10

8f7bab9df8...61.exe

windows10-2004_x64

10

Sharing

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General

  • Target
    8f7bab9df8b75b06db3d3386c8fea2e31c3c829793e61.exe
  • Size 1.5MB
  • Sample220310-x9jpbsdffp
  • SHA256 8f7bab9df8b75b06db3d3386c8fea2e31c3c829793e6176f54daeaff7e9654fc
  • MD5 SHA1 SHA512
Score
10/10
dcratinfostealerpersistenceratspywarestealersuricata

Malware Config

Targets

    • Target
      8f7bab9df8b75b06db3d3386c8fea2e31c3c829793e61.exe
    • Size 1.5MB
    • SHA256 8f7bab9df8b75b06db3d3386c8fea2e31c3c829793e6176f54daeaff7e9654fc
    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks