Overview

overview

10

Static

static

3

4ec4ea5a35...1d.exe

windows10-2004-x64

10

4ec4ea5a35...1d.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    100s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 06:49

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General

  • Target
    4ec4ea5a35e459528b6ec28d115e0a8c27b8a21bddc5b7542d09c0cb903af51d.exe
  • Size 645KB
  • Sample260709-hls6jaex2t
  • SHA256 4ec4ea5a35e459528b6ec28d115e0a8c27b8a21bddc5b7542d09c0cb903af51d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarebackdoorbootkitdiscoveryfarflipersistenceransomwarespywarestealer

Malware Config

Signatures

  • Family: Farfli

    Farfli is a Windows backdoor written in C++.

    backdoorfarfli
  • Detects Farfli Backdoor 3 IoCs
  • Badlisted process makes network request 7 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 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 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 25 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 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 SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ec4ea5a35e459528b6ec28d115e0a8c27b8a21bddc5b7542d09c0cb903af51d.exe
    "C:\Users\Admin\AppData\Local\Temp\4ec4ea5a35e459528b6ec28d115e0a8c27b8a21bddc5b7542d09c0cb903af51d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\auech.exe "C:\Users\Admin\AppData\Local\Temp\4ec4ea5a35e459528b6ec28d115e0a8c27b8a21bddc5b7542d09c0cb903af51d.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:5684
      • 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:5568
      • C:\Users\Admin\AppData\Local\Temp\auech.exe
        C:\Users\Admin\AppData\Local\Temp\\auech.exe "C:\Users\Admin\AppData\Local\Temp\4ec4ea5a35e459528b6ec28d115e0a8c27b8a21bddc5b7542d09c0cb903af51d.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4112
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\omoru\xrkgiyle.rgx",RAFlush C:\Users\Admin\AppData\Local\Temp\auech.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
          • Suspicious use of WriteProcessMemory
          PID:5272
          • C:\wiseman.exe
            "C:\wiseman.exe"
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:1424
  • C:\wiseman.exe
    C:\wiseman.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:1568
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3108
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3236
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:6076

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Persistence

        Boot or Logon Autostart Execution

        2
        T1547

        Active Setup

        1
        T1547.014

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Pre-OS Boot

        1
        T1542

        Bootkit

        1
        T1542.003

        Privilege Escalation

        Boot or Logon Autostart Execution

        2
        T1547

        Active Setup

        1
        T1547.014

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Defense Evasion

        Modify Registry

        3
        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

        2
        T1120

        Query Registry

        4
        T1012

        Remote System Discovery

        1
        T1018

        System Information Discovery

        4
        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

        Loading Replay Monitor...

        Downloads

        prep_Activatable Class_Hermes_perf.cache
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
        • Size 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        auech.exe
        • Path C:\Users\Admin\AppData\Local\Temp\auech.exe
        • Size 645KB
        • SHA256 9741b6ca1f02d971acbfe107790e21c67e664a4d5433062eeabe2eb0adbbde10
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        wiseman.exe
        • Path C:\wiseman.exe
        • Size 378KB
        • SHA256 03505198d487e04a8ec82c627d34e4d9145f211140c4c8793b4461621e6bf6ce
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        xrkgiyle.rgx
        • Path \??\c:\omoru\xrkgiyle.rgx
        • Size 155KB
        • SHA256 ec6ef50587a847d4a655e9bfc5c1aee4078005c0774a3e6fa23949cc4d8fbad3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3236-218-0x0000026688000000-0x00000266882BC000-memory.dmp
        Download

        memory/3236-200-0x0000026688000000-0x00000266882BC000-memory.dmp
        Download

        memory/4112-8-0x0000000000400000-0x000000000049E01B-memory.dmp
        Download

        memory/4308-2-0x0000000000400000-0x000000000049E01B-memory.dmp
        Download

        memory/4308-0-0x0000000000400000-0x000000000049E01B-memory.dmp
        Download

        memory/5272-17-0x0000000010000000-0x0000000010054000-memory.dmp
        Download

        memory/5272-15-0x0000000010000000-0x0000000010054000-memory.dmp
        Download

        memory/5272-206-0x0000000010000000-0x0000000010054000-memory.dmp
        Download

        memory/5272-11-0x0000000010000000-0x0000000010054000-memory.dmp
        Download

        memory/6076-20-0x0000021C06E20000-0x0000021C06F20000-memory.dmp
        Download

        memory/6076-79-0x0000021C09E60000-0x0000021C09E80000-memory.dmp
        Download

        memory/6076-53-0x0000021C09A00000-0x0000021C09A20000-memory.dmp
        Download

        memory/6076-49-0x0000021C098F0000-0x0000021C09910000-memory.dmp
        Download

        memory/6076-50-0x0000021C09B20000-0x0000021C09C20000-memory.dmp
        Download