General

  • Target
    6ecc88149dfdad0b296e7aee3c554fc191b1371d09c51ee2e47ac0e145ee38ba.exe
  • Size 7.1MB
  • Sample240107-yrmtpsdccj
  • SHA256 6ecc88149dfdad0b296e7aee3c554fc191b1371d09c51ee2e47ac0e145ee38ba
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • up3

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://host-file-host6.com/

  • http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family
  • stealc

C2
  • http://185.172.128.79

Attributes
  • url_path

    /3886d2276f6914c4.php

rc4.plain

Targets

    • Target
      6ecc88149dfdad0b296e7aee3c554fc191b1371d09c51ee2e47ac0e145ee38ba.exe
    • Size 7.1MB
    • SHA256 6ecc88149dfdad0b296e7aee3c554fc191b1371d09c51ee2e47ac0e145ee38ba
    • MD5 SHA1 SHA512 SSDEEP
    • BetaBot

      Beta Bot is a Trojan that infects computers and disables Antivirus.

    • Detect Fabookie payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies firewall policy service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • Downloads MZ/PE file

    • Looks for VMWare services registry key.

    • Modifies Windows Firewall

    • Sets file execution options in registry

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Maps connected drives based on registry

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

    • Modifies boot configuration data using bcdedit

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks