General

  • Target

    557bdecd3fee8cc304a04275a3709608acca66d4766b9dd074165c97afb7c63e.exe

  • Size

    348KB

  • Sample

    240430-brerrsgb74

  • MD5

    f80070d71f143630c812d64dfdadd068

  • SHA1

    8fe9b8f814e94fa7611c59a6de23a1622a8f1e18

  • SHA256

    557bdecd3fee8cc304a04275a3709608acca66d4766b9dd074165c97afb7c63e

  • SHA512

    f2ffc26f154549853ccbc519b48aaa0cbcbb8a98b547e3b9779c80b062fe0992805e3a06079c6ddb3fa17ee638b6551655a267302841fa216a7e17560c2cce02

  • SSDEEP

    6144:rduS03pdQbVg12jXuaGWkJ0Oey7lZr1asn3e5mV/9+D9f/a4ENTUh8d5a1v:ZoXQHy3WkH8sn3e5maa4MYv

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Targets

    • Target

      557bdecd3fee8cc304a04275a3709608acca66d4766b9dd074165c97afb7c63e.exe

    • Size

      348KB

    • MD5

      f80070d71f143630c812d64dfdadd068

    • SHA1

      8fe9b8f814e94fa7611c59a6de23a1622a8f1e18

    • SHA256

      557bdecd3fee8cc304a04275a3709608acca66d4766b9dd074165c97afb7c63e

    • SHA512

      f2ffc26f154549853ccbc519b48aaa0cbcbb8a98b547e3b9779c80b062fe0992805e3a06079c6ddb3fa17ee638b6551655a267302841fa216a7e17560c2cce02

    • SSDEEP

      6144:rduS03pdQbVg12jXuaGWkJ0Oey7lZr1asn3e5mV/9+D9f/a4ENTUh8d5a1v:ZoXQHy3WkH8sn3e5maa4MYv

    • 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