Overview

overview

10

Static

static

3

2026-08-18...yn.exe

windows10-2004-x64

10

2026-08-18...yn.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/08/2026, 10:15

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General

  • Target
    2026-08-18_4afe74457f48a18c911e63cde959a2da_amadey_elex_emotet_smoke-loader_stealc_stop_swisyn.exe
  • Size 2.9MB
  • Sample260818-maftaazglb
  • SHA256 aea7df1dc65c34399468854793d1239cc64935eced5e62246329caac25b86f24
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
bootkitdefense_evasiondiscoverypersistence

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
    defense_evasion
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Control Panel 1 IoCs
    defense_evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-18_4afe74457f48a18c911e63cde959a2da_amadey_elex_emotet_smoke-loader_stealc_stop_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-18_4afe74457f48a18c911e63cde959a2da_amadey_elex_emotet_smoke-loader_stealc_stop_swisyn.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5980
    • \??\c:\users\admin\appdata\local\temp\2026-08-18_4afe74457f48a18c911e63cde959a2da_amadey_elex_emotet_smoke-loader_stealc_stop_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-08-18_4afe74457f48a18c911e63cde959a2da_amadey_elex_emotet_smoke-loader_stealc_stop_swisyn.exe 
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies Control Panel
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4492
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:420
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visibility of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1204
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2640
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visibility of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4672
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:2912
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:3460

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads

          2026-08-18_4afe74457f48a18c911e63cde959a2da_amadey_elex_emotet_smoke-loader_stealc_stop_swisyn.exe 
          • Path C:\Users\Admin\AppData\Local\Temp\2026-08-18_4afe74457f48a18c911e63cde959a2da_amadey_elex_emotet_smoke-loader_stealc_stop_swisyn.exe 
          • Size 2.8MB
          • SHA256 fc99a7d89d697ec7bdb16cbba3c625a3f31320180ee692726ea61f17d220f1e1
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          explorer.exe
          • Path C:\Windows\Resources\Themes\explorer.exe
          • Size 135KB
          • SHA256 573e1506837ae4aca50fb008b900ae3d660af5f1bd405f9bf4f3205fad7e7712
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          icsys.icn.exe
          • Path C:\Windows\Resources\Themes\icsys.icn.exe
          • Size 135KB
          • SHA256 d0b5dc562bc6a70c8ed5726051e5a68c8cbc64a6d9f747d3c70056802fb51d49
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          spoolsv.exe
          • Path C:\Windows\Resources\spoolsv.exe
          • Size 135KB
          • SHA256 63e4809a9e0de75953c6af813349744994d80392fdfa6d70b4b2c253a1c807b3
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          svchost.exe
          • Path C:\Windows\Resources\svchost.exe
          • Size 135KB
          • SHA256 2f7b6b3bf3357dcd5c4ac400d8c4911aaa9626b214d336f042e6171a637a43b4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/420-52-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/1204-68-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/2640-51-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/2912-50-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/4672-69-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/5980-0-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/5980-53-0x0000000000400000-0x000000000041F000-memory.dmp
          Download