Overview

overview

10

Static

static

10

2026-06-28...ry.exe

windows10-2004-x64

10

2026-06-28...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/06/2026, 14:36

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General

  • Target
    2026-06-28_aa77ac8e5461aae9e80da405ec38c430_coinminer_elex_wannacry.exe
  • Size 155KB
  • Sample260630-ryq2dahs3x
  • SHA256 b004733cf943260f101cc71be2762d7f8b187bc536f801323d03a210d571f15e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarebackdoorbootkitdiscoveryfarflipersistenceransomwarespywarestealerupx

Malware Config

Signatures

  • Family: Farfli

    Farfli is a Windows backdoor written in C++.

    backdoorfarfli
  • Detects Farfli Backdoor 4 IoCs
  • Detects executables containing base64 encoded User Agent 2 IoCs
  • UPX dump on OEP (original entry point) 4 IoCs
  • Badlisted process makes network request 8 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 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 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
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of FindShellTrayWindow 51 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 5 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\2026-06-28_aa77ac8e5461aae9e80da405ec38c430_coinminer_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-28_aa77ac8e5461aae9e80da405ec38c430_coinminer_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\wnelbeww.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-28_aa77ac8e5461aae9e80da405ec38c430_coinminer_elex_wannacry.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:992
      • 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:4216
      • \??\c:\wnelbeww.exe
        c:\wnelbeww.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-28_aa77ac8e5461aae9e80da405ec38c430_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:1752
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\osycu\rgqir.dll",init c:\wnelbeww.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:1208
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4952
    • 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:5196
  • 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:5836
  • 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:508

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

        3
        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 603B
        • SHA256 b346273b0f3e13afaa9f07d97248343c45a667a5e097d1198a449a4de187aebb
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        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 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        rgqir.dll
        • Path \??\c:\osycu\rgqir.dll
        • Size 50KB
        • SHA256 a632527bcd457c9a4cfce83e7a9a675baff790b0279de5d8ea3192dfb2dd888a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        wnelbeww.exe
        • Path \??\c:\wnelbeww.exe
        • Size 156KB
        • SHA256 1475335a283c07b5a207243e826c9a84dd9b71a06e72213ea50c570534e583bc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/508-45-0x000001FD81920000-0x000001FD81940000-memory.dmp
        Download

        memory/508-33-0x000001FD801E0000-0x000001FD802E0000-memory.dmp
        Download

        memory/508-34-0x000001FD801E0000-0x000001FD802E0000-memory.dmp
        Download

        memory/508-35-0x000001FD801E0000-0x000001FD802E0000-memory.dmp
        Download

        memory/508-56-0x000001FD81CE0000-0x000001FD81D00000-memory.dmp
        Download

        memory/508-46-0x000001FD81D60000-0x000001FD81E60000-memory.dmp
        Download

        memory/508-79-0x000001FD940E0000-0x000001FD94100000-memory.dmp
        Download

        memory/1208-10-0x0000000010001000-0x0000000010021000-memory.dmp
        Download

        memory/1208-12-0x0000000010001000-0x0000000010021000-memory.dmp
        Download

        memory/1208-11-0x0000000010000000-0x0000000010032000-memory.dmp
        Download

        memory/1208-9-0x0000000010000000-0x0000000010032000-memory.dmp
        Download

        memory/1536-2-0x0000000000400000-0x0000000000423000-memory.dmp
        Download

        memory/1536-0-0x0000000000400000-0x0000000000423000-memory.dmp
        Download

        memory/1752-6-0x0000000000400000-0x0000000000423000-memory.dmp
        Download

        memory/5196-188-0x000000000E5A0000-0x000000000E70C000-memory.dmp
        Download