General

  • Target

    373b0bc34285eb0ffab186720136f6d1aee5573875afb13869f76d484e5b2a86.exe

  • Size

    452KB

  • Sample

    240428-blxemacf92

  • MD5

    b18f735662f85ad0b563af4149ca6f7b

  • SHA1

    90664a470de69c00b53e348a5c657f630ae7863d

  • SHA256

    373b0bc34285eb0ffab186720136f6d1aee5573875afb13869f76d484e5b2a86

  • SHA512

    79271742d91f04a3bb270058ecf3dd503f32c38a96be9db8a2d50479ed75c63179cb5aabaace243b2d5552809ebdeeac2c01b3f54ae31230f32c6432f8207d19

  • SSDEEP

    6144:yqLtuGCSTaLZ4Bz5iNrmY4+wqKKxsnF4rclsMoSkRywnQts4lY:yWtrlXI14qdxsn7T14N4lY

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.62

Attributes
  • url_path

    /902e53a07830e030.php

Targets

    • Target

      373b0bc34285eb0ffab186720136f6d1aee5573875afb13869f76d484e5b2a86.exe

    • Size

      452KB

    • MD5

      b18f735662f85ad0b563af4149ca6f7b

    • SHA1

      90664a470de69c00b53e348a5c657f630ae7863d

    • SHA256

      373b0bc34285eb0ffab186720136f6d1aee5573875afb13869f76d484e5b2a86

    • SHA512

      79271742d91f04a3bb270058ecf3dd503f32c38a96be9db8a2d50479ed75c63179cb5aabaace243b2d5552809ebdeeac2c01b3f54ae31230f32c6432f8207d19

    • SSDEEP

      6144:yqLtuGCSTaLZ4Bz5iNrmY4+wqKKxsnF4rclsMoSkRywnQts4lY:yWtrlXI14qdxsn7T14N4lY

    • 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

    • 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