Overview

overview

10

Static

static

3

829f67338d...ff.exe

windows10-2004-x64

10

829f67338d...ff.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    129s
  • max time network
    140s
  • 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, 04:15

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General

  • Target
    829f67338d9165358ffdab748662e90f6f6962711dee0e670faacd61517d20ff.exe
  • Size 307KB
  • Sample260703-evfd9ags2k
  • SHA256 829f67338d9165358ffdab748662e90f6f6962711dee0e670faacd61517d20ff
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarebackdoorslovdiscoverysmokeloaderpersistenceransomwarespywaretrojan

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.

    trojanbackdoorsmokeloader
  • 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
  • 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.

    discovery
  • 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
    adwarespyware
  • 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 58 IoCs
  • Suspicious use of SendNotifyMessage 54 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.

    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\829f67338d9165358ffdab748662e90f6f6962711dee0e670faacd61517d20ff.exe
    "C:\Users\Admin\AppData\Local\Temp\829f67338d9165358ffdab748662e90f6f6962711dee0e670faacd61517d20ff.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:5036
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4616
    • 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:5132
  • 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:2480
  • 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:4996

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        IconCache.db
        • Path C:\Users\Admin\AppData\Local\IconCache.db
        • Size 12KB
        • SHA256 d8aa6614e2fcd1cbdbc5de67a5294789962a62b6cc9756a74f4de1ae5a1d3e86
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        DiscoverCacheData.dat
        • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
        • Size 1022B
        • SHA256 c7f3354bbfdcb06a62dcd62db10c76d6e3080ecf183f04990ebce12d928b22a3
        • 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/2480-85-0x000001D486CF0000-0x000001D486D10000-memory.dmp
        Download

        memory/2480-39-0x000001D482D20000-0x000001D482E20000-memory.dmp
        Download

        memory/2480-46-0x000001D486480000-0x000001D4864A0000-memory.dmp
        Download

        memory/2480-60-0x000001D4867D0000-0x000001D4867F0000-memory.dmp
        Download

        memory/2480-47-0x000001D4868B0000-0x000001D4869B0000-memory.dmp
        Download

        memory/3432-16-0x0000000000AD0000-0x0000000000AD1000-memory.dmp
        Download

        memory/3432-3-0x00000000026A0000-0x00000000026B6000-memory.dmp
        Download

        memory/3432-13-0x0000000003D30000-0x0000000003D31000-memory.dmp
        Download

        memory/3432-10-0x00000000026F0000-0x00000000026F1000-memory.dmp
        Download

        memory/5036-1-0x0000000000A50000-0x0000000000B50000-memory.dmp
        Download

        memory/5036-7-0x00000000009E0000-0x00000000009E9000-memory.dmp
        Download

        memory/5036-2-0x00000000009E0000-0x00000000009E9000-memory.dmp
        Download

        memory/5036-6-0x0000000000400000-0x00000000007EE000-memory.dmp
        Download

        memory/5132-204-0x000000000B0B0000-0x000000000B30F000-memory.dmp
        Download