General

  • Target

    ac075dc158427a98750ca956666c2a7d8d25fe67cbf3512dafbab2c1d64c8018.exe

  • Size

    347KB

  • Sample

    240428-b9dbnade64

  • MD5

    99ad2380a2037d5f6abbdaa7eb19d6f2

  • SHA1

    8ff97702269d282ced94b4f832116a7c9189b7e8

  • SHA256

    ac075dc158427a98750ca956666c2a7d8d25fe67cbf3512dafbab2c1d64c8018

  • SHA512

    623ca4e8c36631dbc242b18b012f7231a68d8605782a0d9dccbb6a63a73da743eb26ed60f44d68f055d7990f4bc4e41fa9070101aac582b16a60c63e8e4c753b

  • SSDEEP

    6144:8o+4WgjZb/JFOtrrcQfDowFsTPgZvaRGbmDgAsWrJhUN5m8BOK:5ZjZb/JfQboRTAvaYykBAfFK

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.62

Attributes
  • url_path

    /902e53a07830e030.php

Targets

    • Target

      ac075dc158427a98750ca956666c2a7d8d25fe67cbf3512dafbab2c1d64c8018.exe

    • Size

      347KB

    • MD5

      99ad2380a2037d5f6abbdaa7eb19d6f2

    • SHA1

      8ff97702269d282ced94b4f832116a7c9189b7e8

    • SHA256

      ac075dc158427a98750ca956666c2a7d8d25fe67cbf3512dafbab2c1d64c8018

    • SHA512

      623ca4e8c36631dbc242b18b012f7231a68d8605782a0d9dccbb6a63a73da743eb26ed60f44d68f055d7990f4bc4e41fa9070101aac582b16a60c63e8e4c753b

    • SSDEEP

      6144:8o+4WgjZb/JFOtrrcQfDowFsTPgZvaRGbmDgAsWrJhUN5m8BOK:5ZjZb/JfQboRTAvaYykBAfFK

    • 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