Overview

overview

10

Static

static

5

wexside.new.exe

windows10-2004-x64

10

wexside.new.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/07/2026, 18:49

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General

  • Target
    wexside.new.exe
  • Size 659KB
  • Sample260730-xgp1mseq7x
  • SHA256 f872afc6a4a271fc1b45a266107b0f4ccec5ef17d156bf76dd55537de86c545a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoveryexecutionpersistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 1 TTPs 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery
  • Drops file in Windows directory 2 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.

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

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

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 3 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\wexside.new.exe
    "C:\Users\Admin\AppData\Local\Temp\wexside.new.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4768
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" netsh advfirewall firewall add rule name="D]L:#NSB#LR_#T" dir=in action=allow program="C:\Windows\_Microsoft67" enable=yes & exit
      2⤵
        PID:3304
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST & exit
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2484
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2112
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:740
    • C:\Windows\_Microsoft67
      C:\Windows\_Microsoft67
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2540
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:5024

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            _Microsoft67
            • Path C:\Windows\_Microsoft67
            • Size 659KB
            • SHA256 f872afc6a4a271fc1b45a266107b0f4ccec5ef17d156bf76dd55537de86c545a
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/740-28-0x000001D5FE300000-0x000001D5FE301000-memory.dmp
            Download

            memory/740-26-0x000001D5FE300000-0x000001D5FE301000-memory.dmp
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            memory/740-16-0x000001D5FE300000-0x000001D5FE301000-memory.dmp
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            memory/740-17-0x000001D5FE300000-0x000001D5FE301000-memory.dmp
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            memory/740-18-0x000001D5FE300000-0x000001D5FE301000-memory.dmp
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            memory/740-32-0x000001D5FB8F0000-0x000001D5FBABD000-memory.dmp
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            memory/740-27-0x000001D5FE300000-0x000001D5FE301000-memory.dmp
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            memory/740-22-0x000001D5FE300000-0x000001D5FE301000-memory.dmp
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            memory/740-25-0x000001D5FE300000-0x000001D5FE301000-memory.dmp
            Download

            memory/740-24-0x000001D5FE300000-0x000001D5FE301000-memory.dmp
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            memory/740-23-0x000001D5FE300000-0x000001D5FE301000-memory.dmp
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            memory/4768-1-0x000001C85ED00000-0x000001C85ED10000-memory.dmp
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            memory/4768-31-0x000001C85ED00000-0x000001C85ED10000-memory.dmp
            Download

            memory/4768-0-0x000001C85CF60000-0x000001C85D006000-memory.dmp
            Download