Extracted

• • Target

    b1bf0f6717341cb605ebf48e85805282b77e5a3d610f211b90e4ec726b448331

  • Size

    383KB

  • MD5

    81f2e982687c695ee0bbadf147feca3b

  • SHA1

    b33a15b47c3b99c65f2277562a928bf9ce9dabf7

  • SHA256

    b1bf0f6717341cb605ebf48e85805282b77e5a3d610f211b90e4ec726b448331

  • SHA512

    16461398006e12c7acc47ae87859bc4567405a7fdca2e3d13863cf14b424036c1703d882f30a3e4aa62a2cec9d8c994b6fa823ba8250ec0e6ba35f52ae2ecf05

  • SSDEEP

    6144:kz00wubhcFv7g9X7wkDStegoIG2sJnuhLvdHVpHBm/F0kpJVdVpftj7XfLT:kzhBqFv7g9kBVG2ACLvd1pBmN3pJ5plX

  Score

  10^/10

  gluptebastealczgratdiscoverydropperevasionloaderpersistenceransomwareratrootkitspywarestealertrojan

  • Detect ZGRat V1

  • Glupteba

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

    loaderdropperglupteba

  • Glupteba payload

  • Modifies firewall policy service

    evasion

  • Stealc

    Stealc is an infostealer written in C++.

    stealerstealc

  • Windows security bypass

    evasiontrojan

  • ZGRat

    ZGRat is remote access trojan written in C#.

    ratzgrat

  • Modifies boot configuration data using bcdedit

    ransomwareevasion

  • Blocklisted process makes network request

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Modifies Windows Firewall

    evasion

  • Possible attempt to disable PatchGuard

    Rootkits can use kernel patching to embed themselves in an operating system.

    evasion

  • 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 web browsers

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

    spywarestealer

  • Registers COM server for autorun

    persistence

  • Windows security modification

    evasiontrojan

  • 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

  • Drops Chrome extension

  • 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

  • Manipulates WinMon driver.

    Roottkits write to WinMon to hide PIDs from being detected.

    rootkitevasion

  • Manipulates WinMonFS driver.

    Roottkits write to WinMonFS to hide directories/files from being detected.

    rootkitevasion

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2