Overview

overview

10

Static

static

5

2026-06-29...ry.exe

windows10-2004-x64

10

2026-06-29...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    136s
  • 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, 12:44

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General

  • Target
    2026-06-29_13fdbd99da11dae6dc54818422e020df_elex_wannacry.exe
  • Size 403KB
  • Sample260630-pyzbmsfv2k
  • SHA256 fc325baf31233c1b2e17bc4e3b775887380051b05549d3eeeaece6b7e789ed7c
  • 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 5 IoCs
  • Detects executables containing base64 encoded User Agent 5 IoCs
  • 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 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.

    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
  • Drops file in Program Files directory 3 IoCs
  • 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 37 IoCs
  • Suspicious use of FindShellTrayWindow 53 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-29_13fdbd99da11dae6dc54818422e020df_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-29_13fdbd99da11dae6dc54818422e020df_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4336
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ayzxy.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-29_13fdbd99da11dae6dc54818422e020df_elex_wannacry.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1840
      • 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:5964
      • C:\Users\Admin\AppData\Local\Temp\ayzxy.exe
        C:\Users\Admin\AppData\Local\Temp\\ayzxy.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-29_13fdbd99da11dae6dc54818422e020df_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:6052
        • \??\c:\Program Files\xeraa\phu.exe
          "c:\Program Files\xeraa\phu.exe" "c:\Program Files\xeraa\phurd.dll",DoPrivacy C:\Users\Admin\AppData\Local\Temp\ayzxy.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:1976
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1476
    • 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:1084
  • 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:2676
  • 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:2360
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4684

    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

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          Downloads

          phu.exe
          • Path C:\Program Files\xeraa\phu.exe
          • Size 51KB
          • SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
          • MD5 SHA1 SHA512 SSDEEP 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

          ayzxy.exe
          • Path C:\Users\Admin\AppData\Local\Temp\ayzxy.exe
          • Size 403KB
          • SHA256 09fe23cb254123b3722ce129feb77c835f99959e94fdfbb7cd37cb7075902021
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          phurd.dll
          • Path \??\c:\Program Files\xeraa\phurd.dll
          • Size 219KB
          • SHA256 1b6a9e4fa0e1e0b9da94b3ccba05d7c716d18b6f146fb1d55d1b7809b5e1b313
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1976-16-0x0000000010000000-0x000000001005A000-memory.dmp
          Download

          memory/1976-18-0x0000000010000000-0x000000001005A000-memory.dmp
          Download

          memory/1976-12-0x0000000010000000-0x000000001005A000-memory.dmp
          Download

          memory/1976-15-0x0000000001370000-0x0000000001371000-memory.dmp
          Download

          memory/1976-14-0x0000000010000000-0x000000001005A000-memory.dmp
          Download

          memory/1976-10-0x0000000010000000-0x000000001005A000-memory.dmp
          Download

          memory/1976-20-0x0000000010000000-0x000000001005A000-memory.dmp
          Download

          memory/2360-198-0x0000026000790000-0x0000026000A4C000-memory.dmp
          Download

          memory/2676-26-0x0000015B801E0000-0x0000015B802E0000-memory.dmp
          Download

          memory/2676-47-0x0000015B94260000-0x0000015B94280000-memory.dmp
          Download

          memory/2676-44-0x0000015B81E20000-0x0000015B81E40000-memory.dmp
          Download

          memory/2676-39-0x0000015B81E80000-0x0000015B81F80000-memory.dmp
          Download

          memory/2676-38-0x0000015B81A40000-0x0000015B81A60000-memory.dmp
          Download

          memory/4336-0-0x0000000000400000-0x0000000000499000-memory.dmp
          Download

          memory/4336-2-0x0000000000400000-0x0000000000499000-memory.dmp
          Download

          memory/6052-7-0x0000000000400000-0x0000000000499000-memory.dmp
          Download