Overview

overview

10

Static

static

3

2026-08-12...ry.exe

windows10-2004-x64

10

2026-08-12...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/08/2026, 04:32

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General

  • Target
    2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_elex_wannacry.exe
  • Size 214KB
  • Sample260812-e6grfsyepb
  • SHA256 5200703a7c32b8607587188256c0d0f6636ebed0cdac3e4940b71999304fb89c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoorbootkitdiscoveryexecutionfarflipersistencespywarestealer

Malware Config

Signatures

  • Family: Farfli

    Farfli is a Windows backdoor written in C++.

    backdoorfarfli
  • 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.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

    bootkitpersistence
  • 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.

    execution
  • 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.

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • 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\2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\frven.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_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:4888
      • 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:2328
      • C:\Users\Admin\AppData\Local\Temp\frven.exe
        C:\Users\Admin\AppData\Local\Temp\\frven.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-12_6dd5ac0db057dec7954a5041e21c8c00_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:3556
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\aaxvlzb\rmhogq.dll",encore C:\Users\Admin\AppData\Local\Temp\frven.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:2396

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Command and Scripting Interpreter

        1
        T1059

        Windows Command Shell

        1
        T1059.003

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Pre-OS Boot

        1
        T1542

        Bootkit

        1
        T1542.003

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Defense Evasion

        Modify Registry

        1
        T1112

        Pre-OS Boot

        1
        T1542

        Bootkit

        1
        T1542.003

        Credential Access

        Credentials from Password Stores

        1
        T1555

        Credentials from Web Browsers

        1
        T1555.003

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Discovery

        Peripheral Device Discovery

        1
        T1120

        Query Registry

        2
        T1012

        Remote System Discovery

        1
        T1018

        System Information Discovery

        2
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        System Network Configuration Discovery

        1
        T1016

        Internet Connection Discovery

        1
        T1016.001

        Lateral Movement

        Collection

        Data from Local System

        1
        T1005

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

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        Downloads

        frven.exe
        • Path C:\Users\Admin\AppData\Local\Temp\frven.exe
        • Size 214KB
        • SHA256 1259b4868daf31e6b310756609fcbc661d5f7aeeffec4943b204f8d2e719c7e4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        rmhogq.dll
        • Path \??\c:\Program Files\aaxvlzb\rmhogq.dll
        • Size 168KB
        • SHA256 5b8c4087eb2068b62608f6151eec934b2218856bd2d6b03c8cde221d4e39886b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2396-10-0x0000000010000000-0x000000001006A000-memory.dmp
        Download

        memory/2396-11-0x0000000010000000-0x000000001006A000-memory.dmp
        Download

        memory/2396-13-0x0000000010052000-0x0000000010053000-memory.dmp
        Download

        memory/2396-14-0x0000000010000000-0x000000001006A000-memory.dmp
        Download

        memory/2996-0-0x0000000000400000-0x0000000000436000-memory.dmp
        Download

        memory/2996-2-0x0000000000400000-0x0000000000436000-memory.dmp
        Download

        memory/3556-7-0x0000000000400000-0x0000000000436000-memory.dmp
        Download