Analysis

  • max time kernel
    148s
  • max time network
    136s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 23:24

General

  • Target
    2026-06-25_2b0b6863213e3c5aecbb7ddc2a485224_elex_wannacry.exe
  • Size 99KB
  • Sample260629-3d3efsax2q
  • SHA256 6c22729456a09b104a02b6d61eb85bb19d87a55a75da8cdb6fc8d71076ec62ca
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Farfli

    Farfli is a Windows backdoor written in C++.

  • Detects Farfli Backdoor 5 IoCs
  • Detects executables containing base64 encoded User Agent 5 IoCs
  • UPX dump on OEP (original entry point) 8 IoCs
  • Badlisted process makes network request 8 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.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • 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.

  • UPX packed file 7 IoCs

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

  • 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 35 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-25_2b0b6863213e3c5aecbb7ddc2a485224_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-25_2b0b6863213e3c5aecbb7ddc2a485224_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5232
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\qjqyz.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-25_2b0b6863213e3c5aecbb7ddc2a485224_elex_wannacry.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1248
      • 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:6128
      • \??\c:\qjqyz.exe
        c:\qjqyz.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-25_2b0b6863213e3c5aecbb7ddc2a485224_elex_wannacry.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2588
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\ihkih\gmcfumzf.dll",init c:\qjqyz.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:6132
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5704
    • 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:2276
  • 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:2688
  • 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:3096

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        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 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH

        gmcfumzf.dll

        • Path \??\c:\ihkih\gmcfumzf.dll
        • Size 46KB
        • SHA256 b6bc7902da0250f6ca920b35b222f6a0fe62102caf05d2a1722c4d3b225a0a9e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        qjqyz.exe

        • Path \??\c:\qjqyz.exe
        • Size 99KB
        • SHA256 b15911d4b1d432864af6d9dfa2b24aae6ebabab2368b8032a98beb0f8920eae7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2276-179-0x000000000AE00000-0x000000000B05F000-memory.dmp

        memory/2588-6-0x0000000000400000-0x0000000000417000-memory.dmp

        memory/2688-29-0x0000024A08FE0000-0x0000024A09000000-memory.dmp

        memory/2688-16-0x0000024A07660000-0x0000024A07760000-memory.dmp

        memory/2688-50-0x0000024A1BA40000-0x0000024A1BA60000-memory.dmp

        memory/2688-25-0x0000024A1B1E0000-0x0000024A1B2E0000-memory.dmp

        memory/2688-24-0x0000024A08D80000-0x0000024A08DA0000-memory.dmp

        memory/5232-0-0x0000000000400000-0x0000000000417000-memory.dmp

        memory/5232-2-0x0000000000400000-0x0000000000417000-memory.dmp

        memory/6132-10-0x0000000010000000-0x0000000010024000-memory.dmp

        memory/6132-12-0x0000000010000000-0x0000000010024000-memory.dmp

        memory/6132-13-0x0000000010000000-0x0000000010024000-memory.dmp

        memory/6132-14-0x0000000010000000-0x0000000010024000-memory.dmp

        memory/6132-9-0x0000000010000000-0x0000000010024000-memory.dmp

        memory/6132-178-0x0000000010000000-0x0000000010024000-memory.dmp