Overview

overview

8

Static

static

3

chacobot (...on.dll

windows10-2004-x64

1

chacobot (...on.dll

windows11-ltsc_2024-x64

1

chacobot (...ec.dll

windows10-2004-x64

1

chacobot (...ec.dll

windows11-ltsc_2024-x64

1

chacobot (1)/bz2.dll

windows10-2004-x64

1

chacobot (1)/bz2.dll

windows11-ltsc_2024-x64

1

chacobot (...ot.exe

windows10-2004-x64

3

chacobot (...ot.exe

windows11-ltsc_2024-x64

8

chacobot (...pe.dll

windows10-2004-x64

1

chacobot (...pe.dll

windows11-ltsc_2024-x64

1

chacobot (...rl.dll

windows10-2004-x64

1

chacobot (...rl.dll

windows11-ltsc_2024-x64

1

chacobot (...16.dll

windows10-2004-x64

1

chacobot (...16.dll

windows11-ltsc_2024-x64

8

chacobot (...sh.dll

windows10-2004-x64

1

chacobot (...sh.dll

windows11-ltsc_2024-x64

1

chacobot (...b1.dll

windows10-2004-x64

1

chacobot (...b1.dll

windows11-ltsc_2024-x64

8

chacobot (1)/zstd.dll

windows10-2004-x64

1

chacobot (1)/zstd.dll

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    898s
  • max time network
    555s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/11/2026, 22:31

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    chacobot (1)/chacobot.exe
  • Size 8.0MB
  • Sample261101-2fnteadw7v
  • SHA256 ba538b3ccc1277478ef37de4a51e1a31c63ca4fd794539b68683628fdf6a1dd5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 1 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\chacobot (1)\chacobot.exe
    "C:\Users\Admin\AppData\Local\Temp\chacobot (1)\chacobot.exe"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    PID:3348
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3960
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4440
      • 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:3240
    • 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:2024
    • 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:5372
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:5916

      Network

            MITRE ATT&CK Enterprise v16

            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 607B
            • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
            • 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

            memory/2024-74-0x000001BE02920000-0x000001BE02940000-memory.dmp
            Download

            memory/2024-90-0x000001BE14290000-0x000001BE142B0000-memory.dmp
            Download

            memory/2024-76-0x000001BE02E00000-0x000001BE02E20000-memory.dmp
            Download

            memory/2024-75-0x000001BE02E40000-0x000001BE02F40000-memory.dmp
            Download

            memory/2024-44-0x000001BE001E0000-0x000001BE002E0000-memory.dmp
            Download

            memory/3348-0-0x00007FFA03E20000-0x00007FFA03E37000-memory.dmp
            Download