General

  • Target
    f9467198be098eef6cda9559ec03b7b769e78165e94cc8ca3659625b61f8a0ef
  • Size 6.2MB
  • Sample240104-wef5aagaep
  • SHA256 f9467198be098eef6cda9559ec03b7b769e78165e94cc8ca3659625b61f8a0ef
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://185.215.113.68/fks/index.php

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • 777

C2
  • 195.20.16.103:20440

Targets

    • Target
      f9467198be098eef6cda9559ec03b7b769e78165e94cc8ca3659625b61f8a0ef
    • Size 6.2MB
    • SHA256 f9467198be098eef6cda9559ec03b7b769e78165e94cc8ca3659625b61f8a0ef
    • MD5 SHA1 SHA512 SSDEEP
    • Detect ZGRat V1

    • Detected google phishing page

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Drops startup file

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • 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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks