Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/08/2026, 14:06

General

  • Target
    2026-08-16_71bca30c062fe569ed2e0a8b0e9ef16e_elex_wannacry.exe
  • Size 272KB
  • Sample260816-req72acn3z
  • SHA256 8620fb6249970a3c1af3abcafbe6ace28f3c43c32cf5da240e9431e9bd1aeb19
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Farfli

    Farfli is a Windows backdoor written in C++.

  • Detects Farfli Backdoor 4 IoCs
  • Detects executables containing base64 encoded User Agent 4 IoCs
  • UPX dump on OEP (original entry point) 6 IoCs
  • Badlisted process makes network request 4 IoCs

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

  • 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 23 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 5 IoCs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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 processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-16_71bca30c062fe569ed2e0a8b0e9ef16e_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-16_71bca30c062fe569ed2e0a8b0e9ef16e_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4144
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ppwlh.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-16_71bca30c062fe569ed2e0a8b0e9ef16e_elex_wannacry.exe"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4588
      • 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:4156
      • C:\Users\Admin\AppData\Local\Temp\ppwlh.exe
        C:\Users\Admin\AppData\Local\Temp\\ppwlh.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-16_71bca30c062fe569ed2e0a8b0e9ef16e_elex_wannacry.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1864
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\gldwaoq\ffpoh.fof",RAFlush C:\Users\Admin\AppData\Local\Temp\ppwlh.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:2912

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ppwlh.exe

        • Path C:\Users\Admin\AppData\Local\Temp\ppwlh.exe
        • Size 272KB
        • SHA256 763cbffa63fce13953ba2cd74164f3cdf26d4bb902b54b90db43f295e6a3ad3d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ffpoh.fof

        • Path \??\c:\gldwaoq\ffpoh.fof
        • Size 81KB
        • SHA256 2973a0957bd204e123307415bade58f84cdf272c659048a99bf42dfdb563415a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1864-6-0x0000000000400000-0x000000000043A000-memory.dmp

        memory/2912-9-0x0000000010000000-0x000000001003D000-memory.dmp

        memory/2912-10-0x0000000010000000-0x000000001003D000-memory.dmp

        memory/2912-12-0x0000000010000000-0x000000001003D000-memory.dmp

        memory/2912-15-0x0000000010000000-0x000000001003D000-memory.dmp

        memory/4144-0-0x0000000000400000-0x000000000043A000-memory.dmp

        memory/4144-2-0x0000000000400000-0x000000000043A000-memory.dmp