Analysis

  • max time kernel
    298s
  • max time network
    294s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/11/2026, 04:26

General

  • Target
    eunewport.msi
  • Size 1.5MB
  • Sample261114-e2r2mavw4k
  • SHA256 db8ecda653be2e9df847966f2ef6fbfb7879423ab4459447883ab9c82473bfa7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: SectopRAT

    SectopRAT also known as Arechclient2 is a remote access trojan first seen in November 2019.

  • Detects SectopRAT aka Arechclient2 1 IoCs
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 2 IoCs
  • Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 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 Windows directory 12 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\eunewport.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5924
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5124
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4140
      • C:\Windows\system32\cmd.exe
        cmd.exe /c start AutoIt3_x64.exe Banana841.au3
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3728
        • C:\Users\Admin\AppData\Local\Convince_Critic\AutoIt3_x64.exe
          AutoIt3_x64.exe Banana841.au3
          3⤵
          • Executes dropped EXE
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:3748
          • C:\ProgramData\Banana841\AutoIt3_x64.exe
            "C:\ProgramData\Banana841\AutoIt3_x64.exe" "C:\ProgramData\Banana841\Banana841.au3"
            4⤵
            • Creates a file in the Startup directory
            • Executes dropped EXE
            • Registers new Windows logon scripts automatically executed at logon.
            • Reads the TCP/IP host and domain name from the registry
            • NTFS ADS
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:2100
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4688

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e597d47.rbs

          • Path C:\Config.Msi\e597d47.rbs
          • Size 12KB
          • SHA256 6f7e70020a7a5a9874815d69cebdaad07cd2786f747b0e17f0a26c579822863b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          AutoIt3_x64.exe

          • Path C:\Users\Admin\AppData\Local\Convince_Critic\AutoIt3_x64.exe
          • Size 1.1MB
          • SHA256 5d69a932a077fee044b193c28e84564143f5c7e51079ab48e88fef74ab0b77b7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Banana841.au3

          • Path C:\Users\Admin\AppData\Local\Convince_Critic\Banana841.au3
          • Size 37KB
          • SHA256 983415efae0352f33fe408ff15560cf1366eccb3aa32c88383ad86996aaaca7c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cake.tmp

          • Path C:\Users\Admin\AppData\Local\Convince_Critic\cake.tmp
          • Size 419KB
          • SHA256 aa105bda212d3eec9b341fe77f80f6aba3dee7fd7f791aa3a7937e189376160b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e597d48.msi

          • Path C:\Windows\Installer\e597d48.msi
          • Size 1.5MB
          • SHA256 db8ecda653be2e9df847966f2ef6fbfb7879423ab4459447883ab9c82473bfa7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 e87c983b4f8ed07a38f96fdeb441f8b03ad17820dc9987ef07ceef7cbf80f2cd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {502c67a6-fc1a-49b8-badc-ea8029a4e077}_OnDiskSnapshotProp

          • Path \??\Volume{e35bb194-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{502c67a6-fc1a-49b8-badc-ea8029a4e077}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 a6b6595d9c312db9bba0bc5b6feb5cbe35d9083c24dce446109c782f4b171ce8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2100-83-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-91-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-60-0x000002272BB10000-0x000002272BB86000-memory.dmp

          memory/2100-120-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-58-0x000002272BCE0000-0x000002272BEA2000-memory.dmp

          memory/2100-57-0x00000227134D0000-0x000002271353C000-memory.dmp

          memory/2100-64-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-68-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-77-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-79-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-81-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-56-0x0000022711940000-0x00000227119A9000-memory.dmp

          memory/2100-85-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-87-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-89-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-59-0x000002272BA30000-0x000002272BA80000-memory.dmp

          memory/2100-93-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-95-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-97-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-99-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-101-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-103-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-105-0x000002272C3E0000-0x000002272C908000-memory.dmp

          memory/2100-106-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-108-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-110-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-112-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-114-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-116-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/2100-118-0x0000022712AB0000-0x0000022713454000-memory.dmp

          memory/5124-61-0x000001676A9D0000-0x000001676B374000-memory.dmp