Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/09/2026, 01:06

General

  • Target
    2026-09-12_5cb883a1567d0eeafde016dce03f29c7_elex_gh0st-rat_wannacry.exe
  • Size 546KB
  • Sample260913-bgjb7sdb49
  • SHA256 ca258c979c069dfaf7714b69c8368374e1ab7b486da611af3620f65168d96552
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Farfli

    Farfli is a Windows backdoor written in C++.

  • Detects Farfli Backdoor 2 IoCs
  • Detects executables containing base64 encoded User Agent 2 IoCs
  • Badlisted process makes network request 15 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.

  • 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\2026-09-12_5cb883a1567d0eeafde016dce03f29c7_elex_gh0st-rat_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-12_5cb883a1567d0eeafde016dce03f29c7_elex_gh0st-rat_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3120
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ndlrx.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-12_5cb883a1567d0eeafde016dce03f29c7_elex_gh0st-rat_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:4368
      • 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:1676
      • C:\Users\Admin\AppData\Local\Temp\ndlrx.exe
        C:\Users\Admin\AppData\Local\Temp\\ndlrx.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-12_5cb883a1567d0eeafde016dce03f29c7_elex_gh0st-rat_wannacry.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4704
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\cigklb\heyhv.dll",Getlua C:\Users\Admin\AppData\Local\Temp\ndlrx.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:3156

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ndlrx.exe

        • Path C:\Users\Admin\AppData\Local\Temp\ndlrx.exe
        • Size 547KB
        • SHA256 40d8aae75ce677f5db750915d51b04fc8fcb05940818c79bbbab833fb7b927c7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        heyhv.dll

        • Path \??\c:\cigklb\heyhv.dll
        • Size 232KB
        • SHA256 39ea7479111b07eed91cb3c69727baecb04bb32caa8f2407b25e74e6cbd0e73b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3156-6-0x0000000010000000-0x000000001007F000-memory.dmp

        memory/3156-7-0x0000000010000000-0x000000001007F000-memory.dmp

        memory/3156-9-0x0000000010000000-0x000000001007F000-memory.dmp