Analysis

  • max time kernel
    149s
  • max time network
    136s
  • 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, 22:30

General

  • Target
    2026-07-08_48fa4a5b7dd5bc5f22270b3852931f30_elex_wannacry.exe
  • Size 340KB
  • Sample260708-2e6ylah13p
  • SHA256 91353e11d7fdf84857bba4dce752ae0f343affc63e1e331f9a5eeb249f671433
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • gh0strat

C2
  • 107.163.56.251:6658

  • http://107.163.56.238:18530/

  • http://107.163.56.239:18963/main.php

Attributes
  • user_agent

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

Signatures

  • Family: Farfli

    Farfli is a Windows backdoor written in C++.

  • Family: Gh0strat

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

  • Detects Farfli Backdoor 3 IoCs
  • Detects executables containing base64 encoded User Agent 3 IoCs
  • Detects executables packed with VMProtect. 6 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.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • 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.

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

    Adversaries may check for Internet connectivity on compromised systems.

  • 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
  • Modifies registry class 38 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 61 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 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.

  • Uses Volume Shadow Copy WMI provider

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

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-08_48fa4a5b7dd5bc5f22270b3852931f30_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-08_48fa4a5b7dd5bc5f22270b3852931f30_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\kkzxk.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-08_48fa4a5b7dd5bc5f22270b3852931f30_elex_wannacry.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4552
      • 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:5908
      • C:\Users\Admin\AppData\Local\Temp\kkzxk.exe
        C:\Users\Admin\AppData\Local\Temp\\kkzxk.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-08_48fa4a5b7dd5bc5f22270b3852931f30_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:756
        • \??\c:\Program Files\hzgwd\pdrn.exe
          "c:\Program Files\hzgwd\pdrn.exe" "c:\Program Files\hzgwd\pdrns.dll",EnumClassObjects C:\Users\Admin\AppData\Local\Temp\kkzxk.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:5116
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4800
    • 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:1568
  • 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:716
  • 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:5828

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        pdrn.exe

        • Path C:\Program Files\hzgwd\pdrn.exe
        • Size 51KB
        • SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
        • MD5 SHA1 SHA512 SSDEEP TLSH

        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

        kkzxk.exe

        • Path C:\Users\Admin\AppData\Local\Temp\kkzxk.exe
        • Size 340KB
        • SHA256 0509e6a0a04e2bf75ad3b28d9beddb029071c2bf030e8644412b33f4ecd7b235
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pdrns.dll

        • Path \??\c:\Program Files\hzgwd\pdrns.dll
        • Size 197KB
        • SHA256 4be982d2476bbc0b4057397826a9d610d1799c6ef88215f843b61597cb4b039a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/716-18-0x00000292801E0000-0x00000292802E0000-memory.dmp

        memory/716-48-0x0000029281A40000-0x0000029281A60000-memory.dmp

        memory/716-49-0x0000029281EA0000-0x0000029281FA0000-memory.dmp

        memory/716-52-0x0000029281CA0000-0x0000029281CC0000-memory.dmp

        memory/716-83-0x00000292841E0000-0x0000029284200000-memory.dmp

        memory/756-6-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/756-9-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/1568-189-0x000000000E300000-0x000000000E342000-memory.dmp

        memory/1968-0-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/1968-3-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/1968-1-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/5116-16-0x0000000010000000-0x0000000010089000-memory.dmp

        memory/5116-12-0x0000000010000000-0x0000000010089000-memory.dmp

        memory/5116-15-0x0000000010000000-0x0000000010089000-memory.dmp