Overview

overview

10

Static

static

kcfff.exe

windows7_x64

10

kcfff.exe

windows10_x64

3

Sharing

Copy URL Twitter E-mail

General

  • Target
    kcfff.exe
  • Size 1.2MB
  • Sample200707-dekfld3rqe
  • SHA256 31158724133cf00916cca2eb89ed79d453f1c9210cd79dbafaafcbc2eadba065
  • MD5 SHA1 SHA512
Score
10/10
massloggerpersistencespywarestealer

Malware Config

Targets

    • Target
      kcfff.exe
    • Size 1.2MB
    • SHA256 31158724133cf00916cca2eb89ed79d453f1c9210cd79dbafaafcbc2eadba065
    • MD5 SHA1 SHA512
    Score
    10/10
    spywarestealermassloggerpersistence

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

      stealerspywaremasslogger

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spyware

    • Adds Run entry 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.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks