Analysis

  • max time kernel
    122s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 22:55

General

  • Target
    2026-07-02_3ae088f125e9f335ff8857d7208b15e9_elex_wannacry.exe
  • Size 105KB
  • Sample260702-2v4s6sgs21
  • SHA256 1b6f0241903ca772e821e77f946add1cbcc862f8863e0a914f477db0f8d8a431
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • gh0strat

C2
  • host123.zz.am:6658

  • http://23.104.160.115:8890/version.php

  • http://23.104.160.116:9963/

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++.

  • 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
  • Badlisted process makes network request 4 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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.

  • Executes dropped EXE 1 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.

  • 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 37 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.

  • 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\2026-07-02_3ae088f125e9f335ff8857d7208b15e9_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-02_3ae088f125e9f335ff8857d7208b15e9_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\cffpwhpcy.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-02_3ae088f125e9f335ff8857d7208b15e9_elex_wannacry.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:5884
      • 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:2432
      • \??\c:\cffpwhpcy.exe
        c:\cffpwhpcy.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-02_3ae088f125e9f335ff8857d7208b15e9_elex_wannacry.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5980
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\tpyanb\mjjgj.dll",AbortProc c:\cffpwhpcy.exe
          4⤵
          • Badlisted process makes network request
          • 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:5804
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2304
    • 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:3232
  • 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:2868
  • 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:5832

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        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 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH

        cffpwhpcy.exe

        • Path \??\c:\cffpwhpcy.exe
        • Size 105KB
        • SHA256 f36b5eaffcfac60af27fb5f12bf1a052d95254bdfbb1f6c800ac4bee9089c041
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mjjgj.dll

        • Path \??\c:\tpyanb\mjjgj.dll
        • Size 60KB
        • SHA256 42304221991ff2ea9d6c0252d42b90390caebc312a17126a4b13e9514f2b7d87
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2868-14-0x00000238001A0000-0x00000238002A0000-memory.dmp

        memory/2868-34-0x00000238019C0000-0x00000238019E0000-memory.dmp

        memory/2868-44-0x0000023801C20000-0x0000023801C40000-memory.dmp

        memory/2868-35-0x0000023801DE0000-0x0000023801EE0000-memory.dmp

        memory/2868-59-0x00000238141A0000-0x00000238141C0000-memory.dmp

        memory/5804-7-0x0000000010000000-0x0000000010045000-memory.dmp

        memory/5804-11-0x0000000000F90000-0x0000000000F91000-memory.dmp

        memory/5804-10-0x0000000010000000-0x0000000010045000-memory.dmp

        memory/5804-8-0x0000000010000000-0x0000000010045000-memory.dmp

        memory/5804-9-0x0000000000F90000-0x0000000000F91000-memory.dmp

        memory/5804-6-0x0000000010000000-0x0000000010045000-memory.dmp