Extracted

• • Target

    874bcf36482b83f3df470655e985e29b.exe

  • Size

    162KB

  • MD5

    874bcf36482b83f3df470655e985e29b

  • SHA1

    bbcfeea3e3b437680cbf14c8016b3954cac1398a

  • SHA256

    1c259208bdea5d896335c7a22d7a3048e4cfe0c7578a466f8faad880446f4e02

  • SHA512

    688cd7b19786c7c41079a1867a394ade9ed1201f10f38c408d52bae8da9edcd42b433ae979de6b68ed4bbf628201228c45ec4d9a03987851782265c19b0da8c6

  Score

  10^/10

  smokeloadertaurus_stealertofseebackdoordiscoveryevasionpersistencespywarestealertrojanbootkit

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

    trojanstealertaurus_stealer

  • Tofsee

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

    trojantofsee

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

    evasion

  • Creates new service(s)

    persistence

  • Executes dropped EXE

  • Modifies Windows Firewall

    evasion

  • Sets service image path in registry

    persistence

  • Checks BIOS information in registry

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

  • Deletes itself

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Accesses 2FA software files, possible credential harvesting

    spywarestealer

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

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

    discovery

  • Checks whether UAC is enabled

    evasiontrojan

  • Looks up external IP address via web service

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

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  behavioral1behavioral2