Overview

overview

10

Static

static

3

e40d22332e...c4.exe

windows10-2004-x64

10

e40d22332e...c4.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    142s
  • 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, 04:31

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General

  • Target
    e40d22332ea475ceef424d78960054ad7586f0f6e462c61400eb463612e591c4.exe
  • Size 198KB
  • Sample260703-e5v8fsgt2m
  • SHA256 e40d22332ea475ceef424d78960054ad7586f0f6e462c61400eb463612e591c4
  • 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 44 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\e40d22332ea475ceef424d78960054ad7586f0f6e462c61400eb463612e591c4.exe
    "C:\Users\Admin\AppData\Local\Temp\e40d22332ea475ceef424d78960054ad7586f0f6e462c61400eb463612e591c4.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:620
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2220
    • 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:5828
  • 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:3204
  • 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:1444

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        IconCache.db
        • Path C:\Users\Admin\AppData\Local\IconCache.db
        • Size 13KB
        • SHA256 eb35b9327c79b54d062f65c2583ae0322c8720deeedd1a8621109d3e356d0be6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        DiscoverCacheData.dat
        • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
        • Size 1022B
        • SHA256 b8bf88d990be165dc51f462927ba17d5b72566ed6e73e73477f92a7b062b8943
        • 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/620-6-0x0000000000400000-0x0000000002B7D000-memory.dmp
        Download

        memory/620-7-0x0000000002D10000-0x0000000002D19000-memory.dmp
        Download

        memory/620-1-0x0000000002D40000-0x0000000002E40000-memory.dmp
        Download

        memory/620-2-0x0000000002D10000-0x0000000002D19000-memory.dmp
        Download

        memory/3204-39-0x00000234001E0000-0x00000234002E0000-memory.dmp
        Download

        memory/3204-41-0x00000234001E0000-0x00000234002E0000-memory.dmp
        Download

        memory/3204-51-0x0000023403A30000-0x0000023403A50000-memory.dmp
        Download

        memory/3204-40-0x00000234001E0000-0x00000234002E0000-memory.dmp
        Download

        memory/3204-85-0x0000023414210000-0x0000023414230000-memory.dmp
        Download

        memory/3204-70-0x0000023403C90000-0x0000023403CB0000-memory.dmp
        Download

        memory/3204-52-0x0000023413E90000-0x0000023413F90000-memory.dmp
        Download

        memory/3472-15-0x00000000012E0000-0x00000000012E1000-memory.dmp
        Download

        memory/3472-3-0x0000000001320000-0x0000000001336000-memory.dmp
        Download

        memory/3472-10-0x0000000004220000-0x0000000004221000-memory.dmp
        Download

        memory/3472-8-0x0000000001300000-0x0000000001301000-memory.dmp
        Download

        memory/5828-207-0x000000000E980000-0x000000000F1FB000-memory.dmp
        Download