Overview

overview

10

Static

static

3

2026-07-08...ry.exe

windows10-2004-x64

10

2026-07-08...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    112s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 22:29

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General

  • Target
    2026-07-08_51c95e1a25072b1989e434330b570c03_elex_wannacry.exe
  • Size 366KB
  • Sample260708-2d749saz41
  • SHA256 02e85bfd8144048fad47b5c4064dabdcf69d72be63bb352a05fbf42d07b0e239
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarebackdoorbootkitdiscoveryfarfligh0stratpersistenceransomwareratspywarestealer

Malware Config

Extracted

Family

  • gh0strat

C2

  • 107.163.56.251:6658

  • http://107.163.56.240:18963/main.php

  • http://107.163.56.241:18530/

Attributes
  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))

    Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)

Signatures

  • Family: Farfli

    Farfli is a Windows backdoor written in C++.

    backdoorfarfli
  • Family: Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    ratgh0strat
  • Detects Farfli Backdoor 4 IoCs
  • Detects executables containing base64 encoded User Agent 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 25 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

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

    bootkitpersistence
  • Drops file in Program Files directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-08_51c95e1a25072b1989e434330b570c03_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-08_51c95e1a25072b1989e434330b570c03_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\vfeatx.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-08_51c95e1a25072b1989e434330b570c03_elex_wannacry.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1284
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:432
      • C:\Users\Admin\AppData\Local\Temp\vfeatx.exe
        C:\Users\Admin\AppData\Local\Temp\\vfeatx.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-08_51c95e1a25072b1989e434330b570c03_elex_wannacry.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3184
        • \??\c:\Program Files\lkeff\guw.exe
          "c:\Program Files\lkeff\guw.exe" "c:\Program Files\lkeff\guwjt.dll",Compliance C:\Users\Admin\AppData\Local\Temp\vfeatx.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3864
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:5852
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:5860
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3080
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2788

    Network

          MITRE ATT&CK Enterprise v16

          Reconnaissance

          Resource Development

          Initial Access

          Execution

          Persistence

          Boot or Logon Autostart Execution

          2
          T1547

          Active Setup

          1
          T1547.014

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Pre-OS Boot

          1
          T1542

          Bootkit

          1
          T1542.003

          Privilege Escalation

          Boot or Logon Autostart Execution

          2
          T1547

          Active Setup

          1
          T1547.014

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Defense Evasion

          Modify Registry

          3
          T1112

          Pre-OS Boot

          1
          T1542

          Bootkit

          1
          T1542.003

          Credential Access

          Credentials from Password Stores

          1
          T1555

          Credentials from Web Browsers

          1
          T1555.003

          Unsecured Credentials

          1
          T1552

          Credentials In Files

          1
          T1552.001

          Discovery

          Peripheral Device Discovery

          2
          T1120

          Query Registry

          4
          T1012

          Remote System Discovery

          1
          T1018

          System Information Discovery

          3
          T1082

          System Location Discovery

          1
          T1614

          System Language Discovery

          1
          T1614.001

          System Network Configuration Discovery

          1
          T1016

          Internet Connection Discovery

          1
          T1016.001

          Lateral Movement

          Collection

          Data from Local System

          1
          T1005

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

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          Downloads

          guw.exe
          • Path C:\Program Files\lkeff\guw.exe
          • Size 51KB
          • SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          vfeatx.exe
          • Path C:\Users\Admin\AppData\Local\Temp\vfeatx.exe
          • Size 366KB
          • SHA256 7aa5390db5824f6825a1be6dac8bc0d7d4b897a4197dc9e983a4b5f4040b57d4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          guwjt.dll
          • Path \??\c:\Program Files\lkeff\guwjt.dll
          • Size 179KB
          • SHA256 0799281ef6f7eeddd9053fbc402298636eea4c7c4484f769f8cfc7c88c950417
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1864-0-0x0000000000400000-0x0000000000458000-memory.dmp
          Download

          memory/1864-2-0x0000000000400000-0x0000000000458000-memory.dmp
          Download

          memory/3184-7-0x0000000000400000-0x0000000000458000-memory.dmp
          Download

          memory/3864-12-0x0000000010000000-0x000000001004F000-memory.dmp
          Download

          memory/3864-10-0x0000000010000000-0x000000001004F000-memory.dmp
          Download

          memory/3864-14-0x0000000010000000-0x000000001004F000-memory.dmp
          Download

          memory/3864-11-0x0000000001410000-0x0000000001411000-memory.dmp
          Download

          memory/3864-193-0x0000000010000000-0x000000001004F000-memory.dmp
          Download

          memory/5860-17-0x000001AF801E0000-0x000001AF802E0000-memory.dmp
          Download

          memory/5860-63-0x000001AF821A0000-0x000001AF821C0000-memory.dmp
          Download

          memory/5860-37-0x000001AF81C20000-0x000001AF81C40000-memory.dmp
          Download

          memory/5860-26-0x000001AF81DE0000-0x000001AF81EE0000-memory.dmp
          Download

          memory/5860-24-0x000001AF819C0000-0x000001AF819E0000-memory.dmp
          Download