Overview

overview

7

Static

static

3

2026-07-28...op.exe

windows10-2004-x64

7

2026-07-28...op.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/07/2026, 04:40

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General

  • Target
    2026-07-28_807cfaa36f0549e5780134fa658ce42d_amadey_elex_remcos_smoke-loader_stop.exe
  • Size 34.4MB
  • Sample260728-fa28ysbj5x
  • SHA256 37a9f0e7dcde345ded76a29ac5e5b0cc2ff415960140c18460a24a649c8f5012
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoverypersistenceprivilege_escalationransomware

Malware Config

Signatures

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 64 IoCs
  • Modifies system executable filetype association 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • 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 5 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • 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\2026-07-28_807cfaa36f0549e5780134fa658ce42d_amadey_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-28_807cfaa36f0549e5780134fa658ce42d_amadey_elex_remcos_smoke-loader_stop.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4184
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2832
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding BD351F9C6DB4EFD900D191ED707438B1 C
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:3748
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2016
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding B04C1288476AA7342004602A47B511F9
        2⤵
        • Loads dropped DLL
        • Modifies system executable filetype association
        • Drops desktop.ini file(s)
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:3096
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding 23B3283F36B2ABB0BC29A7AE699134EF E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:2416
      • C:\Program Files\Altova\Authentic2011\Authentic.exe
        "C:\Program Files\Altova\Authentic2011\Authentic.exe" -instext
        2⤵
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:4156
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3184

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5a135b.rbs
          • Path C:\Config.Msi\e5a135b.rbs
          • Size 14.4MB
          • SHA256 82dc2e762ce241ae2430ce504855d41e8031ed87946623eacf49cab22e81dfbd
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSI69CC.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSI69CC.tmp
          • Size 849KB
          • SHA256 ce6a5c8fbba48e44a9e9512f455501d335380a3f11c13e4354b550c2bcfdb418
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Altova Authentic 2011 sp1 (x64) Enterprise Edition.msi
          • Path C:\Windows\Downloaded Installations\{4D6CC1C9-B36D-492A-AD65-DC870B99F2DF}\Altova Authentic 2011 sp1 (x64) Enterprise Edition.msi
          • Size 34.0MB
          • SHA256 e46d7619922e5a473e449a7e8cc290aac1052b49c2a6e2e5e3d036050c2e5008
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 28cbec384a99dc9fcd6cfe8ef93236872da0d464f78b378960443e38750976e2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {6a7c8e4a-d1e1-4d2d-b3bd-5a3cde9d9831}_OnDiskSnapshotProp
          • Path \??\Volume{cb180e94-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{6a7c8e4a-d1e1-4d2d-b3bd-5a3cde9d9831}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 345a96be810e7ef6a11829c38bce0c60994732ce5789ea02311687ab03988ab2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3096-71-0x000002DA50E20000-0x000002DA50F02000-memory.dmp
          Download

          memory/3096-2294-0x000002DA509F0000-0x000002DA509F8000-memory.dmp
          Download

          memory/3096-2299-0x000002DA50E60000-0x000002DA50E7A000-memory.dmp
          Download