General

  • Target

    https://cdn.discordapp.com/attachments/1025178651895017492/1206857271305437234/release_v3.rar?ex=65dd886b&is=65cb136b&hm=556a049e8b8b1f0b104fd32106ead397330f4e251485c49d513184d3597569c0&

  • Sample

    240213-js3h8ach5y

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.24

Attributes
  • url_path

    /f993692117a3fda2.php

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Extracted

Family

risepro

C2

193.233.132.62

193.233.132.67:50500

Extracted

Family

smokeloader

Version

2022

C2

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

Targets

    • Target

      https://cdn.discordapp.com/attachments/1025178651895017492/1206857271305437234/release_v3.rar?ex=65dd886b&is=65cb136b&hm=556a049e8b8b1f0b104fd32106ead397330f4e251485c49d513184d3597569c0&

    • 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

    • 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.

    • Checks whether UAC is enabled

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks