Extracted

• • Target

    Bootstrapper.exe

  • Size

    800KB

  • MD5

    2a4dcf20b82896be94eb538260c5fb93

  • SHA1

    21f232c2fd8132f8677e53258562ad98b455e679

  • SHA256

    ebbcb489171abfcfce56554dbaeacd22a15838391cbc7c756db02995129def5a

  • SHA512

    4f1164b2312fb94b7030d6eb6aa9f3502912ffa33505f156443570fc964bfd3bb21ded3cf84092054e07346d2dce83a0907ba33f4ba39ad3fe7a78e836efe288

  • SSDEEP

    12288:t0zVvgDNMoWjTmFzAzBocaKjyWtiR1pptHxQ0z:O5vgHWjTwAlocaKjyyItHDz

  Score

  10^/10

  metasploitadwarebackdoorbootkitdefense_evasiondiscoveryevasionpersistenceprivilege_escalationspywarestealertrojan

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    trojanbackdoormetasploit

  • Metasploit family

    metasploit

  • Suspicious use of NtCreateProcessExOtherParentProcess

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

    evasion

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Sets service image path in registry

    persistence

  • Uses Session Manager for persistence

    Creates Session Manager registry key to run executable early in system boot.

    persistence

  • 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.

  • Event Triggered Execution: Component Object Model Hijacking

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation

  • Executes dropped EXE

  • Impair Defenses: Safe Mode Boot

    defense_evasion

  • Loads dropped DLL

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Unexpected DNS network traffic destination

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Windows security modification

    evasiontrojan

  • Adds Run key to start application

    persistence

  • Blocklisted process makes network request

  • Checks for any installed AV software in registry

  • 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

  • Drops desktop.ini file(s)

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware

  • Legitimate hosting services abused for malware hosting/C2

  • Network Share Discovery

    Attempt to gather information on host network.

    discovery

  • 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

  behavioral1