Extracted

Extracted

• • Target

    vir.exe

  • Size

    311.5MB

  • MD5

    f8668357bf3d1a37eed8e3e732801fa4

  • SHA1

    2b2c0107682f84144312750bc4825ea33b42cf71

  • SHA256

    171a0ea728c1580e70ee769007d234299e967e23819c812b94d2673840215a95

  • SHA512

    efff516e15163874517225b13338cf305b74087419ffb5e4ff65d3691bae2df4167e8e1790465cb95a494aa07d2ed46e806364216b92a16f550f6b02e1a49761

  • SSDEEP

    6291456:Y2qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHJdHVeVM:rr+WeSWgfecGT4RjvqP85PAK

  Score

  10^/10

  njratprivateloaderquasarumbralromkabootkitcollectiondiscoveryevasionexecutionloaderpersistencespywarestealerthemidatrojanupx

  • Detect Umbral payload

  • Modifies WinLogon for persistence

    persistence

  • Modifies firewall policy service

    evasion

  • PrivateLoader

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

    loaderprivateloader

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar

  • Quasar payload

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • UAC bypass

    evasiontrojan

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Windows security bypass

    evasiontrojan

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat

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

    evasion

  • 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

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Manipulates Digital Signatures

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

  • .NET Reactor proctector

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • 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

  • Reads user/profile data of local email clients

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer

  • 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

  • UPX packed file

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

    upx

  • Windows security modification

    evasiontrojan

  • Accesses Microsoft Outlook profiles

    collection

  • 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)

  • 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

  • AutoIT Executable

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  behavioral1