General

  • Target

    50e2f39f3cd1a94eed4ef99c12dfaf659fc71070a4978df25ab597efd81af36c.exe

  • Size

    347KB

  • Sample

    240428-br2arsdc5s

  • MD5

    2f92771837d1f5eac6cb5a2f615c843d

  • SHA1

    61e23525c0090433711dc6e5d74cf96f308763e6

  • SHA256

    50e2f39f3cd1a94eed4ef99c12dfaf659fc71070a4978df25ab597efd81af36c

  • SHA512

    a6ce7083ddcaa2a94500010880960344e5a2153a7905019380eaf39e8ed4cc9a3cd31010740b466e19c83cda135bbd4d51807875fec1bc6018a474f7fc38a0ea

  • SSDEEP

    6144:ToBqFgnH6oK/xcYNKD8r+syjBJw45rtMLYC43J9fa7nxNHnKTY:EawahCYgD8CsKJw4/MchjCnMY

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.62

Attributes
  • url_path

    /902e53a07830e030.php

Targets

    • Target

      50e2f39f3cd1a94eed4ef99c12dfaf659fc71070a4978df25ab597efd81af36c.exe

    • Size

      347KB

    • MD5

      2f92771837d1f5eac6cb5a2f615c843d

    • SHA1

      61e23525c0090433711dc6e5d74cf96f308763e6

    • SHA256

      50e2f39f3cd1a94eed4ef99c12dfaf659fc71070a4978df25ab597efd81af36c

    • SHA512

      a6ce7083ddcaa2a94500010880960344e5a2153a7905019380eaf39e8ed4cc9a3cd31010740b466e19c83cda135bbd4d51807875fec1bc6018a474f7fc38a0ea

    • SSDEEP

      6144:ToBqFgnH6oK/xcYNKD8r+syjBJw45rtMLYC43J9fa7nxNHnKTY:EawahCYgD8CsKJw4/MchjCnMY

    • Detect ZGRat V1

    • SectopRAT

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

    • SectopRAT payload

    • Stealc

      Stealc is an infostealer written in C++.

    • ZGRat

      ZGRat is remote access trojan 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.

    • Detects encrypted or obfuscated .NET executables

    • 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