Overview

overview

10

Static

static

5

2026-09-28...op.exe

windows10-2004-x64

10

2026-09-28...op.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/09/2026, 12:35

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General

  • Target
    2026-09-28_b7752c6d0b1d62fc99024d51e90890a6_elex_stop.exe
  • Size 1.2MB
  • Sample260928-pscwfsvyes
  • SHA256 af7c494e3eeaf6834cd66c06449e44523967e1efb1bc2d6d5557226890dd3158
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwaredefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealer

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Modifies firewall policy service 3 TTPs 4 IoCs
    defense_evasion
  • Disables RegEdit via registry modification 2 IoCs
    defense_evasion
  • Disables Task Manager via registry modification
    defense_evasion
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 6 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

    execution
  • Program crash 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

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

    discovery
  • 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
  • Modifies Internet Explorer settings 1 TTPs 20 IoCs
    adwarespyware
  • Modifies Internet Explorer start page 1 TTPs 4 IoCs
    stealer
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 TTPs 64 IoCs
    defense_evasionprivilege_escalation
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-28_b7752c6d0b1d62fc99024d51e90890a6_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-28_b7752c6d0b1d62fc99024d51e90890a6_elex_stop.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies firewall policy service
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    PID:1100
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 1548
      2⤵
      • Program crash
      PID:2768
  • C:\Windows\explorer.exe
    Explorer.exe system3_.exe
    1⤵
      PID:3404
    • C:\Users\Admin\Desktop\system3_.exe
      C:\Users\Admin\Desktop\system3_.exe
      1⤵
      • Modifies WinLogon for persistence
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4812
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT /delete /yes
        2⤵
        • Executes dropped EXE
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3788
        • C:\Windows\SysWOW64\at.exe
          AT /delete /yes
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1876
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe
        2⤵
        • Executes dropped EXE
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2732
        • C:\Windows\SysWOW64\at.exe
          AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2344
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 1100 -ip 1100
      1⤵
        PID:5876
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4224
        • C:\Users\Admin\Desktop\system3_.exe
          "C:\Users\Admin\Desktop\system3_.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:1772

      Network

            MITRE ATT&CK Enterprise v16

            Reconnaissance

            Resource Development

            Initial Access

            Execution

            Command and Scripting Interpreter

            1
            T1059

            Windows Command Shell

            1
            T1059.003

            Persistence

            Boot or Logon Autostart Execution

            2
            T1547

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Winlogon Helper DLL

            1
            T1547.004

            Create or Modify System Process

            1
            T1543

            Windows Service

            1
            T1543.003

            Privilege Escalation

            Boot or Logon Autostart Execution

            2
            T1547

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Winlogon Helper DLL

            1
            T1547.004

            Create or Modify System Process

            1
            T1543

            Windows Service

            1
            T1543.003

            Process Injection

            1
            T1055

            Defense Evasion

            Impair Defenses

            1
            T1562

            Disable or Modify System Firewall

            1
            T1562.004

            Modify Registry

            5
            T1112

            Process Injection

            1
            T1055

            Credential Access

            Discovery

            System Information Discovery

            1
            T1082

            System Location Discovery

            1
            T1614

            System Language Discovery

            1
            T1614.001

            System Network Configuration Discovery

            1
            T1016

            Lateral Movement

            Collection

            Command and Control

            Exfiltration

            Impact

            Replay Monitor

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            Downloads

            browserconfig.properties
            • Path C:\Program Files\Mozilla Firefox\browserconfig.properties
            • Size 53B
            • SHA256 aabedca68756b4d2a60bd9e856669d86acd0dab2dff3eaa6249f41b62c1dfc67
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            setting[2].htm
            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5TOXJMFV\setting[2].htm
            • Size 173B
            • SHA256 5bd1cb20b56bb3ea06d9c3f0abe9223a38e93f3d833df496524dcdebfeb3b4ca
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            autorun.ini
            • Path C:\Users\Admin\Desktop\autorun.ini
            • Size 102B
            • SHA256 94a1ac3d574425ec8a3cc01675e4d787373d2a190dddd4f8ba507c49ca3fd42a
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            system3_.exe
            • Path C:\Users\Admin\Desktop\system3_.exe
            • Size 1.2MB
            • SHA256 af7c494e3eeaf6834cd66c06449e44523967e1efb1bc2d6d5557226890dd3158
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            cmd.exe
            • Path C:\Windows\SysWOW64\cmd.exe
            • Size 274KB
            • SHA256 436ea139d5d76e3f341954d97619abb5728b55d879cfdf26aa7053d264bd8bb5
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1100-26-0x00000000FFE90000-0x00000000FFE9C000-memory.dmp
            Download

            memory/1100-6-0x00000000FFE90000-0x00000000FFE9C000-memory.dmp
            Download

            memory/1100-7-0x00000000FFE90000-0x00000000FFE9C000-memory.dmp
            Download

            memory/1100-4-0x00000000FFE90000-0x00000000FFE9C000-memory.dmp
            Download

            memory/1100-2-0x0000000077888000-0x0000000077889000-memory.dmp
            Download

            memory/1100-0-0x0000000000400000-0x0000000000551000-memory.dmp
            Download

            memory/1100-1-0x0000000000400000-0x0000000000551000-memory.dmp
            Download

            memory/1100-33-0x0000000000400000-0x0000000000551000-memory.dmp
            Download

            memory/1100-5-0x00000000FFE90000-0x00000000FFE9C000-memory.dmp
            Download

            memory/1100-3-0x0000000077889000-0x000000007788A000-memory.dmp
            Download

            memory/1772-18-0x0000000000400000-0x0000000000551000-memory.dmp
            Download

            memory/2732-19-0x0000000000400000-0x0000000000465000-memory.dmp
            Download

            memory/3788-16-0x0000000000400000-0x0000000000465000-memory.dmp
            Download

            memory/3788-13-0x0000000000400000-0x0000000000465000-memory.dmp
            Download

            memory/4812-43-0x0000000000400000-0x0000000000551000-memory.dmp
            Download