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
    20/08/2026, 14:32

General

  • Target
    2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_coinminer_elex_wannacry.exe
  • Size 169KB
  • Sample260820-rwq9csdh39
  • SHA256 a6ab230e4cd7980770d55937bd3da4fa8db327fbc4793aea233df7a598edd75c
  • 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
  • Detects executables packed with VMProtect. 5 IoCs
  • UPX dump on OEP (original entry point) 8 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 1 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\2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_coinminer_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_coinminer_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\iktlxja.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_coinminer_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:4072
      • 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:2972
      • C:\Users\Admin\AppData\Local\Temp\iktlxja.exe
        C:\Users\Admin\AppData\Local\Temp\\iktlxja.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-20_cb388b6f0aa66aef237e3a9470ac00e1_coinminer_elex_wannacry.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5128
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\gcbcv\zeoig.eiz",Exit C:\Users\Admin\AppData\Local\Temp\iktlxja.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:5692

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        iktlxja.exe

        • Path C:\Users\Admin\AppData\Local\Temp\iktlxja.exe
        • Size 170KB
        • SHA256 7211e0d5d074df797ffd85f87b985cda758dea6249e75c88a58f8fb7f4d4da72
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zeoig.eiz

        • Path \??\c:\gcbcv\zeoig.eiz
        • Size 116KB
        • SHA256 53a1a5f96fce740b377bb053a358c0a50c63dfafddb8925d9aca66c852420872
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5692-6-0x0000000010000000-0x000000001003A000-memory.dmp

        memory/5692-7-0x0000000010000000-0x000000001003A000-memory.dmp

        memory/5692-9-0x0000000010000000-0x000000001003A000-memory.dmp

        memory/5692-10-0x0000000010000000-0x000000001003A000-memory.dmp

        memory/5692-11-0x0000000010000000-0x000000001003A000-memory.dmp

        memory/5692-14-0x0000000010000000-0x000000001003A000-memory.dmp