General

  • Target
    BA5Os31.exe
  • Size 789KB
  • Sample231206-ctklgaac54
  • SHA256 9edcd387decaca808d976504370b06f8afe76bf6612d294c9b537680ff482bd6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • risepro

C2
  • 193.233.132.51

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://81.19.131.34/fks/index.php

rc4.i32
rc4.i32

Targets

    • Target
      BA5Os31.exe
    • Size 789KB
    • SHA256 9edcd387decaca808d976504370b06f8afe76bf6612d294c9b537680ff482bd6
    • MD5 SHA1 SHA512 SSDEEP
    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks