Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/08/2026, 10:20

General

  • Target
    2026-08-07_283dfc16d711aedb48207543a187864d_elex_wannacry.exe
  • Size 212KB
  • Sample260807-mc8bbasgnb
  • SHA256 d994ccb815d675345c91c45f47b1a236d03478ddccaa58e15157b26b34f3185c
  • 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 8 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • 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\2026-08-07_283dfc16d711aedb48207543a187864d_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-07_283dfc16d711aedb48207543a187864d_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4368
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\izgdxo.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-07_283dfc16d711aedb48207543a187864d_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:3960
      • 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:3236
      • C:\Users\Admin\AppData\Local\Temp\izgdxo.exe
        C:\Users\Admin\AppData\Local\Temp\\izgdxo.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-07_283dfc16d711aedb48207543a187864d_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:2096
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\cmqbrbp\dgwbub.dll",encore C:\Users\Admin\AppData\Local\Temp\izgdxo.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)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3504

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        izgdxo.exe

        • Path C:\Users\Admin\AppData\Local\Temp\izgdxo.exe
        • Size 212KB
        • SHA256 3d337a174cf1ad6cfcf95d59abed144d74cdbc006ca27a0ce8156ec7dd9aa738
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dgwbub.dll

        • Path \??\c:\Program Files\cmqbrbp\dgwbub.dll
        • Size 168KB
        • SHA256 41676ad46384733c2ec23e83dad3e3837a974e1d914a7363e46a0bffaf690525
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2096-7-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/3504-10-0x0000000010000000-0x000000001006A000-memory.dmp

        memory/3504-11-0x0000000010052000-0x0000000010053000-memory.dmp

        memory/3504-12-0x0000000010000000-0x000000001006A000-memory.dmp

        memory/3504-14-0x0000000010000000-0x000000001006A000-memory.dmp

        memory/4368-0-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/4368-2-0x0000000000400000-0x0000000000436000-memory.dmp