Resubmissions

08/09/2024, 12:45

240908-py3daswhkn7

08/09/2024, 12:32

240908-pq3n4aycqf7

08/09/2024, 12:16

240908-pfhwyaxgme10

08/09/2024, 12:00

240908-n6lj3sxcmf7

08/09/2024, 11:38

240908-nr29aawekf10

General

  • Target
    advanced_systemcare_pro_v17.6.0.322___fix.zip
  • Size 21.7MB
  • Sample240908-nr29aawekf
  • SHA256 beda3334ba514f8b961f01e1b5e1ce651304658046267f502c520b5bba387889
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

Botnet
  • default

C2
  • http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Targets

    • Target
      advanced_systemcare_pro_v17.6.0.322___fix.exe
    • Size 923.3MB
    • SHA256 18bcbd5161a3311538446b0497ccfa40fde691e1afdbdbb083a156288ea5f666
    • MD5 SHA1 SHA512 SSDEEP
    • Stealc

      Stealc is an infostealer written in C++.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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 user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks