General

  • Target
    b3fe7c0124c172137abdb00859ef357c.exe
  • Size 173KB
  • Sample210825-282epc6z5x
  • SHA256 80d28363a5fb3eef64eea01b589261bb08d7f947fdc8ab8e29cd30c4c3bd82e0
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://aucmoney.com/upload/

  • http://thegymmum.com/upload/

  • http://atvcampingtrips.com/upload/

  • http://kuapakualaman.com/upload/

  • http://renatazarazua.com/upload/

  • http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family
  • redline

C2
  • 185.215.113.29:8678

Targets

    • Target
      b3fe7c0124c172137abdb00859ef357c.exe
    • Size 173KB
    • SHA256 80d28363a5fb3eef64eea01b589261bb08d7f947fdc8ab8e29cd30c4c3bd82e0
    • MD5 SHA1 SHA512
    • RedLine

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

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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