General

  • Target
    437a0c3b59348d0e1c8af3daaaf4f13c64adb5d82f6be0e9b447ea6d27b07c6e.exe
  • Size 457KB
  • Sample240429-bk51dadg86
  • SHA256 437a0c3b59348d0e1c8af3daaaf4f13c64adb5d82f6be0e9b447ea6d27b07c6e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

C2
  • http://185.172.128.151

Attributes
  • url_path

    /7043a0c6a68d9c65.php

Targets

    • Target
      437a0c3b59348d0e1c8af3daaaf4f13c64adb5d82f6be0e9b447ea6d27b07c6e.exe
    • Size 457KB
    • SHA256 437a0c3b59348d0e1c8af3daaaf4f13c64adb5d82f6be0e9b447ea6d27b07c6e
    • MD5 SHA1 SHA512 SSDEEP
    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Detect binaries embedding considerable number of MFA browser extension IDs.

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks