Analysis

  • max time kernel
    27s
  • 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
    25/05/2026, 18:45

General

  • Target
    aspex_helper.exe
  • Size 4.9MB
  • Sample260525-xee3naex4j
  • SHA256 ff2ba3ae5fb195918ffaa542055e800ffb34815645d39377561a3abdfdea2239
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 5 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aspex_helper.exe
    "C:\Users\Admin\AppData\Local\Temp\aspex_helper.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3532
    • C:\Windows\SysWOW64\SCHTASKS.exe
      SCHTASKS.exe /create /sc minute /mo 30 /tn "AspexUpdateTask" /tr """"C:\ProgramData\MSDN\Aspex\AspexHelperiWD\aspex_helper.exe""" 548 842 251" /ru "system" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2436
    • C:\Windows\SysWOW64\SCHTASKS.exe
      SCHTASKS.exe /create /sc minute /mo 30 /tn "AspexUpdateTask" /tr """"C:\ProgramData\MSDN\Aspex\AspexHelperiWD\aspex_helper.exe""" 548 842 251" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:780
    • C:\Windows\SysWOW64\SCHTASKS.exe
      SCHTASKS.exe /run /tn "AspexUpdateTask"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4248
  • C:\ProgramData\MSDN\Aspex\AspexHelperiWD\aspex_helper.exe
    C:\ProgramData\MSDN\Aspex\AspexHelperiWD\aspex_helper.exe 548 842 251
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Windows\SysWOW64\SCHTASKS.exe
      SCHTASKS.exe /create /sc minute /mo 30 /tn "AspexUpdateTask" /tr """"C:\ProgramData\MSDN\Aspex\AspexHelperiWD\aspex_helper.exe""" 427 431 746" /ru "system" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4416
    • C:\Windows\SysWOW64\SCHTASKS.exe
      SCHTASKS.exe /create /sc minute /mo 30 /tn "AspexUpdateTask" /tr """"C:\ProgramData\MSDN\Aspex\AspexHelperiWD\aspex_helper.exe""" 427 431 746" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3960
    • C:\Windows\SysWOW64\SCHTASKS.exe
      SCHTASKS.exe /run /tn "AspexUpdateTask"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2196
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c netsh wlan export profile key=clear folder="C:\Users\Admin\AppData\Local\Temp\WiFi"
      2⤵
        PID:2052
        • C:\Windows\SysWOW64\netsh.exe
          netsh wlan export profile key=clear folder="C:\Users\Admin\AppData\Local\Temp\WiFi"
          3⤵
            PID:1980
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c netsh wlan export profile key=clear folder="C:\Users\Admin\AppData\Local\Temp\WiFi"
          2⤵
            PID:4108
            • C:\Windows\SysWOW64\netsh.exe
              netsh wlan export profile key=clear folder="C:\Users\Admin\AppData\Local\Temp\WiFi"
              3⤵
                PID:4976
          • C:\ProgramData\MSDN\Aspex\AspexHelperiWD\aspex_helper.exe
            "C:\ProgramData\MSDN\Aspex\AspexHelperiWD\aspex_helper.exe"
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3388
            • C:\Windows\SysWOW64\SCHTASKS.exe
              SCHTASKS.exe /create /sc minute /mo 30 /tn "AspexUpdateTask" /tr """"C:\ProgramData\MSDN\Aspex\AspexHelperiWD\aspex_helper.exe""" 159 431 681" /ru "system" /f
              2⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:3476
            • C:\Windows\SysWOW64\SCHTASKS.exe
              SCHTASKS.exe /create /sc minute /mo 30 /tn "AspexUpdateTask" /tr """"C:\ProgramData\MSDN\Aspex\AspexHelperiWD\aspex_helper.exe""" 159 431 681" /f
              2⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:1836
            • C:\Windows\SysWOW64\SCHTASKS.exe
              SCHTASKS.exe /run /tn "AspexUpdateTask"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:1128

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                RBGUIFramework.DLL

                • Path C:\ProgramData\MSDN\Aspex\AspexHelperiWD\RBGUIFramework.DLL
                • Size 127KB
                • SHA256 ad89d1559df31ba9d87fce28140863bea8f6d84852888a3c54e284005ca9f0f3
                • MD5 SHA1 SHA512 SSDEEP TLSH

                aspex_helper.exe

                • Path C:\ProgramData\MSDN\Aspex\AspexHelperiWD\aspex_helper.exe
                • Size 4.9MB
                • SHA256 ff2ba3ae5fb195918ffaa542055e800ffb34815645d39377561a3abdfdea2239
                • MD5 SHA1 SHA512 SSDEEP TLSH

                aspex_log.dat

                • Path C:\ProgramData\MSDN\Aspex\AspexHelperiWD\aspex_log.dat
                • Size 461KB
                • SHA256 658d278dec3185fd355c1fbc559f6aa1eef6b9ff398cc17c0a2f6c50303d29d2
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/2752-15-0x0000000003810000-0x000000000749E000-memory.dmp

                memory/2752-16-0x0000000003810000-0x000000000749E000-memory.dmp

                memory/2752-21-0x0000000003810000-0x000000000749E000-memory.dmp

                memory/2752-23-0x0000000003810000-0x000000000749E000-memory.dmp

                memory/3388-18-0x0000000003CF0000-0x000000000797E000-memory.dmp

                memory/3388-19-0x0000000003CF0000-0x000000000797E000-memory.dmp

                memory/3388-20-0x0000000003CF0000-0x000000000797E000-memory.dmp

                memory/3532-2-0x0000000003FB0000-0x0000000007C3E000-memory.dmp

                memory/3532-1-0x0000000003FB0000-0x0000000007C3E000-memory.dmp

                memory/3532-7-0x0000000003FB0000-0x0000000007C3E000-memory.dmp

                memory/3532-0-0x0000000003EB0000-0x0000000003FB0000-memory.dmp