General

  • Target
    0ccbb13fd1e433e565c6090a0ae0ea54.exe
  • Size 656KB
  • Sample220516-b9tnmsbeeq
  • SHA256 bbb1db25b2b54928d97b0a0caf8726e5d62501ab6cdcf9b4aa2e192f59958aa6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • pidronciki

C2
  • 178.250.247.147:23307

Attributes
  • auth_value

    a39c67c5f2b83c14345f682856f699bf

Targets

    • Target
      0ccbb13fd1e433e565c6090a0ae0ea54.exe
    • Size 656KB
    • SHA256 bbb1db25b2b54928d97b0a0caf8726e5d62501ab6cdcf9b4aa2e192f59958aa6
    • MD5 SHA1 SHA512
    • DcRat

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

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

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

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • suricata: ET MALWARE DCRAT Activity (GET)

      suricata: ET MALWARE DCRAT Activity (GET)

    • suricata: ET MALWARE SpyAgent C&C Activity (Request)

      suricata: ET MALWARE SpyAgent C&C Activity (Request)

    • suricata: ET MALWARE Win32.Spy/TVRat Checkin

      suricata: ET MALWARE Win32.Spy/TVRat Checkin

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks