General

  • Target
    setup.exe
  • Size 728.0MB
  • Sample240212-jz97msac87
  • SHA256 de7060ab1263374c8d99053b32378f4d4f307049c40aa80175ce974b84f31261
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • risepro

C2
  • 193.233.132.67:50500

Extracted

Family
  • smokeloader

Botnet
  • pub3

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://selebration17io.io/index.php

  • http://vacantion18ffeu.cc/index.php

  • http://valarioulinity1.net/index.php

  • http://buriatiarutuhuob.net/index.php

  • http://cassiosssionunu.me/index.php

  • http://sulugilioiu19.net/index.php

  • http://goodfooggooftool.net/index.php

  • http://sjyey.com/tmp/index.php

  • http://babonwo.ru/tmp/index.php

  • http://mth.com.ua/tmp/index.php

  • http://piratia.pw/tmp/index.php

  • http://go-piratia.ru/tmp/index.php

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family
  • tofsee

C2
  • vanaheim.cn

  • jotunheim.name

Extracted

Family
  • stealc

C2
  • http://185.172.128.24

Attributes
  • url_path

    /f993692117a3fda2.php

Targets

    • Target
      setup.exe
    • Size 728.0MB
    • SHA256 de7060ab1263374c8d99053b32378f4d4f307049c40aa80175ce974b84f31261
    • MD5 SHA1 SHA512 SSDEEP
    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Creates new service(s)

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks