Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 06:51

General

  • Target
    2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_elex_wannacry.exe
  • Size 94KB
  • Sample260930-hmwytaswcs
  • SHA256 04022407392ff72d59ece5553dcaaf289ab1bf56b982328a5b20db10faf04c4d
  • 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.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 TTPs 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 24 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.

  • 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.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 4 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\2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\hjejc.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_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:1344
      • 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:1924
      • \??\c:\hjejc.exe
        c:\hjejc.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-30_ed97857d9f60113a37706bc5ab77eb9b_elex_wannacry.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1824
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\fugvxof\epydp.dll",init c:\hjejc.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)
          • Reads the TCP/IP host and domain name from the registry
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4816

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        hjejc.exe

        • Path C:\hjejc.exe
        • Size 94KB
        • SHA256 3d03d1a60e20be37300c30e157a57a2427d5dcc836c7c57355447191b33c8458
        • MD5 SHA1 SHA512 SSDEEP TLSH

        epydp.dll

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

        memory/752-0-0x0000000000400000-0x0000000000417000-memory.dmp

        memory/752-2-0x0000000000400000-0x0000000000417000-memory.dmp

        memory/1824-7-0x0000000000400000-0x0000000000417000-memory.dmp

        memory/4816-10-0x0000000010000000-0x0000000010024000-memory.dmp

        memory/4816-11-0x0000000010000000-0x0000000010024000-memory.dmp

        memory/4816-13-0x0000000010000000-0x0000000010024000-memory.dmp

        memory/4816-14-0x0000000010000000-0x0000000010024000-memory.dmp

        memory/4816-15-0x0000000010000000-0x0000000010024000-memory.dmp

        memory/4816-16-0x0000000010000000-0x0000000010024000-memory.dmp