Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/07/2026, 04:47

General

  • Target
    7b53def5f8927c76ab3d102222b8cec2e5d74cd0529873c7f416ecef7855a830.exe
  • Size 207KB
  • Sample260703-fehecabv8v
  • SHA256 7b53def5f8927c76ab3d102222b8cec2e5d74cd0529873c7f416ecef7855a830
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • slov

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://ojinsei.com/

  • http://kanzay.biz/

  • http://ginjin.org/

  • http://hiragaih.com/

  • http://sakuratoma.com/

  • http://kyotobowls.com/

  • http://hasekushi.com/

  • http://yukyurice.com/

rc4.i32
rc4.i32

Signatures

  • Family: SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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.

  • Deletes itself 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 57 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 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.

  • Uses Volume Shadow Copy WMI provider

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

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b53def5f8927c76ab3d102222b8cec2e5d74cd0529873c7f416ecef7855a830.exe
    "C:\Users\Admin\AppData\Local\Temp\7b53def5f8927c76ab3d102222b8cec2e5d74cd0529873c7f416ecef7855a830.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2868
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2576
    • 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 use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4928
  • 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:1344
  • 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:3108

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        IconCache.db

        • Path C:\Users\Admin\AppData\Local\IconCache.db
        • Size 15KB
        • SHA256 725babcb3abab6514709f8c4fc8752df5b2ee1605f3dc3c6273df7d91497cce1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DiscoverCacheData.dat

        • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
        • Size 1020B
        • SHA256 5ec29295065955213a96c326fbe9dabdaf8a73d687e7029f5285e1217871a6c7
        • MD5 SHA1 SHA512 TLSH

        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

        memory/1344-34-0x000002AB03C40000-0x000002AB03C60000-memory.dmp

        memory/1344-20-0x000002AB001E0000-0x000002AB002E0000-memory.dmp

        memory/1344-42-0x000002AB14610000-0x000002AB14630000-memory.dmp

        memory/1344-29-0x000002AB13E40000-0x000002AB13F40000-memory.dmp

        memory/1344-28-0x000002AB038E0000-0x000002AB03900000-memory.dmp

        memory/2868-4-0x0000000000400000-0x0000000002B7F000-memory.dmp

        memory/2868-7-0x00000000048E0000-0x00000000048E9000-memory.dmp

        memory/2868-1-0x0000000002E00000-0x0000000002F00000-memory.dmp

        memory/2868-2-0x00000000048E0000-0x00000000048E9000-memory.dmp

        memory/3712-8-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

        memory/3712-13-0x0000000000A20000-0x0000000000A21000-memory.dmp

        memory/3712-16-0x0000000000840000-0x0000000000841000-memory.dmp

        memory/3712-3-0x0000000002E60000-0x0000000002E76000-memory.dmp