Overview

overview

8

Static

static

3

CityHunter.exe

windows10-ltsc_2021-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260130-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260130-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    25/04/2026, 14:27

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    CityHunter.exe
  • Size 166KB
  • Sample260425-rssysads3l
  • SHA256 1eca1e6ea720c50055de985a86b0c8c70d9e26e59f9d39636d507b6f2f1bf8fe
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
executionpersistenceransomware

Malware Config

Signatures

  • 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

    execution
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 48 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 2 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\CityHunter.exe
    "C:\Users\Admin\AppData\Local\Temp\CityHunter.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5372
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File CityHunter.ps1
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4820
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3912
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:4468
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:5100
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXk0k6mrh4r2q0ct33a9wgbez0x7v9cz5y.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:3132
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:5380

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AppCache134216009483476882.txt
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134216009483476882.txt
        • Size 83KB
        • SHA256 8cd278c774b6202811d4ca022a6db7c43a916618f840fc2f830a8cfe175161b1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CityHunter.ps1
        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CityHunter.ps1
        • Size 4KB
        • SHA256 d087848d9ac57f3dc87fa42875c614e82611cff2cb146f8e5a676d4fb897f252
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        __PSScriptPolicyTest_b1nidga4.jld.ps1
        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b1nidga4.jld.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/3132-162-0x000001DFBB050000-0x000001DFBB0BB000-memory.dmp
        Download

        memory/3912-139-0x0000028D5A870000-0x0000028D5A8DB000-memory.dmp
        Download

        memory/3912-138-0x0000028D42020000-0x0000028D4202C000-memory.dmp
        Download

        memory/4468-36-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
        Download

        memory/4468-151-0x0000000000D70000-0x0000000000DDB000-memory.dmp
        Download

        memory/4468-152-0x000000000A8E0000-0x000000000A8EC000-memory.dmp
        Download

        memory/4820-26-0x00000141EB4B0000-0x00000141EB4B8000-memory.dmp
        Download

        memory/4820-17-0x00000141EB520000-0x00000141EB696000-memory.dmp
        Download

        memory/4820-29-0x00000141E8FC0000-0x00000141E8FD0000-memory.dmp
        Download

        memory/4820-31-0x00000141E8FC0000-0x00000141E8FD0000-memory.dmp
        Download

        memory/4820-33-0x00000141E8880000-0x00000141E888C000-memory.dmp
        Download

        memory/4820-34-0x00000141E90D0000-0x00000141E913B000-memory.dmp
        Download

        memory/4820-35-0x00000141E8FC0000-0x00000141E8FD0000-memory.dmp
        Download

        memory/4820-3-0x00000141E8FC0000-0x00000141E8FD0000-memory.dmp
        Download

        memory/4820-28-0x00000141EB500000-0x00000141EB50E000-memory.dmp
        Download

        memory/4820-11-0x00000141E8F60000-0x00000141E8F82000-memory.dmp
        Download

        memory/4820-12-0x00000141E8FC0000-0x00000141E8FD0000-memory.dmp
        Download

        memory/4820-27-0x00000141EB6E0000-0x00000141EB718000-memory.dmp
        Download

        memory/4820-18-0x00000141EB8B0000-0x00000141EBABA000-memory.dmp
        Download

        memory/4820-2-0x00000141E8FC0000-0x00000141E8FD0000-memory.dmp
        Download

        memory/5100-161-0x000001E81F470000-0x000001E81F4DB000-memory.dmp
        Download

        memory/5372-32-0x000002A007D70000-0x000002A007DDB000-memory.dmp
        Download

        memory/5380-85-0x000001B273A90000-0x000001B273B90000-memory.dmp
        Download

        memory/5380-70-0x000001B26FDD0000-0x000001B26FDF0000-memory.dmp
        Download

        memory/5380-71-0x000001B26FDB0000-0x000001B26FDD0000-memory.dmp
        Download

        memory/5380-55-0x000001B26FD90000-0x000001B26FDB0000-memory.dmp
        Download

        memory/5380-40-0x000001B26F700000-0x000001B26F800000-memory.dmp
        Download

        memory/5380-164-0x000001AA691C0000-0x000001AA691CC000-memory.dmp
        Download

        memory/5380-163-0x000001AA69070000-0x000001AA690DB000-memory.dmp
        Download