General

  • Target

    9d51928b328cbb4867ce5a8b15979fdbd678e01e60f7e2ac8058e3fd49057896.exe

  • Size

    451KB

  • Sample

    240430-b3fs7shb5y

  • MD5

    d07c09078af7b8f3adae591720b3a259

  • SHA1

    7a011b1f99bc583a780bde13112121f45a68c5e3

  • SHA256

    9d51928b328cbb4867ce5a8b15979fdbd678e01e60f7e2ac8058e3fd49057896

  • SHA512

    1d4c55c1391ce5b1b632c3d14bc80e2e479e54a90f8a8f149ccfde0a3e37ba8cf3616e25dc63cd5c7b31d1e1e7faff6c8b3f916bcad0818c7154c227d594053d

  • SSDEEP

    12288:Dt++0WACRaBnCQ08O0y+li0pUIZ53+gXWN1RUs:ihC1gp+Qk1RUs

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Targets

    • Target

      9d51928b328cbb4867ce5a8b15979fdbd678e01e60f7e2ac8058e3fd49057896.exe

    • Size

      451KB

    • MD5

      d07c09078af7b8f3adae591720b3a259

    • SHA1

      7a011b1f99bc583a780bde13112121f45a68c5e3

    • SHA256

      9d51928b328cbb4867ce5a8b15979fdbd678e01e60f7e2ac8058e3fd49057896

    • SHA512

      1d4c55c1391ce5b1b632c3d14bc80e2e479e54a90f8a8f149ccfde0a3e37ba8cf3616e25dc63cd5c7b31d1e1e7faff6c8b3f916bcad0818c7154c227d594053d

    • SSDEEP

      12288:Dt++0WACRaBnCQ08O0y+li0pUIZ53+gXWN1RUs:ihC1gp+Qk1RUs

    • 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