Extracted

• • Target

    bf361d860a7ae257d6d7694cea54a556b77b8185e8677bd9f1752415884ede81.exe

  • Size

    492KB

  • MD5

    bd3835dab38215af593d12b433306791

  • SHA1

    49f5beced1d430f55e409478fc48e3a095b45e79

  • SHA256

    bf361d860a7ae257d6d7694cea54a556b77b8185e8677bd9f1752415884ede81

  • SHA512

    d6b59575e4b9e7fe34f7802b8d09db3583a6cca304ec21565a3d111f6deaeb5f33ea7234dda4d9a0ab5c48c9be52754bb9095f162ed4984761de36b0efcfe133

  • SSDEEP

    12288:bDO+CWxCcEMwvLUjSUXjpbRheHHcMagLbAeJAYpc:b6+CyEZLU3zpdw8MjLbAEAYu

  Score

  10^/10

  privateloaderbootkitdiscoveryevasionexecutionloaderpersistencespywarestealerthemidatrojansmokeloaderpub3backdoorransomware

  • Modifies firewall policy service

    evasion

  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    loaderprivateloader

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • UAC bypass

    evasiontrojan

  • Windows security bypass

    evasiontrojan

  • Detects executables (downlaoders) containing URLs to raw contents of a paste

  • Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

  • Detects executables packed with Themida

  • Detects executables packed with or use KoiVM

  • Detects ransomware indicator

  • Gandcrab Payload

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

    evasion

  • Modifies boot configuration data using bcdedit

    ransomwareevasion

  • Blocklisted process makes network request

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Modifies Installed Components in the registry

    persistence

  • Sets service image path in registry

    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.

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies system executable filetype association

    persistence

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Registers COM server for autorun

    persistence

  • Themida packer

    Detects Themida, an advanced Windows software protection system.

    themida

  • 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

  • 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 Chrome extension

  • Drops desktop.ini file(s)

  • Enumerates connected drives

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

  • 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.

  • 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