Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 00:20

General

  • Target
    2026-08-08_e4aa4b9b00d573891092c75a3ac42758_coinminer_elex_wannacry.exe
  • Size 401KB
  • Sample260808-am3scsel6v
  • SHA256 73f04c964d6c9583eba46d21df016ac3dd64380a58fd870b432de597944dc1dd
  • 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) 9 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 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.

  • Drops file in Program Files directory 3 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 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\2026-08-08_e4aa4b9b00d573891092c75a3ac42758_coinminer_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_e4aa4b9b00d573891092c75a3ac42758_coinminer_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4372
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\rigqn.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-08_e4aa4b9b00d573891092c75a3ac42758_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:1012
      • 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:4136
      • C:\Users\Admin\AppData\Local\Temp\rigqn.exe
        C:\Users\Admin\AppData\Local\Temp\\rigqn.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-08_e4aa4b9b00d573891092c75a3ac42758_coinminer_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:3620
        • \??\c:\Program Files\pcpjue\cype.exe
          "c:\Program Files\pcpjue\cype.exe" "c:\Program Files\pcpjue\cypei.dll",Viewer C:\Users\Admin\AppData\Local\Temp\rigqn.exe
          4⤵
          • Executes dropped EXE
          • 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:4852

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        cype.exe

        • Path C:\Program Files\pcpjue\cype.exe
        • Size 51KB
        • SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rigqn.exe

        • Path C:\Users\Admin\AppData\Local\Temp\rigqn.exe
        • Size 401KB
        • SHA256 d8c0f2b19535936365138c94dbe54ed4c27d1bea90d644e7e49039279852702a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cypei.dll

        • Path \??\c:\Program Files\pcpjue\cypei.dll
        • Size 89KB
        • SHA256 a3aecffbec91efb2487d5ddaf7097cfd9f4af18dd8d40ba024411d173d6109ae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3620-7-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/4372-0-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/4372-2-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/4852-10-0x0000000010000000-0x0000000010033000-memory.dmp

        memory/4852-11-0x0000000010000000-0x0000000010033000-memory.dmp

        memory/4852-13-0x0000000010000000-0x0000000010033000-memory.dmp

        memory/4852-16-0x0000000010000000-0x0000000010033000-memory.dmp