Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/08/2026, 00:16

General

  • Target
    ING-Antifraude-Windows.exe
  • Size 41.1MB
  • Sample260828-aky2dssamh
  • SHA256 b47c896d78a61fb5bd0f0d2b1b9db6ed2c63a30a78565d234deda49e3f23826a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Drops file in System32 directory 30 IoCs
  • 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.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 5 IoCs
  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 32 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 64 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ING-Antifraude-Windows.exe
    "C:\Users\Admin\AppData\Local\Temp\ING-Antifraude-Windows.exe"
    1⤵
    • Drops file in Program Files directory
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4388
    • C:\Windows\SysWOW64\schtasks.exe
      C:\Windows\system32\schtasks /Create /TN TVInstallRestore /TR "\"C:\Program Files\TeamViewer\RollbackTemp\TeamViewer_.exe\" /RESTORE" /RU SYSTEM /SC ONLOGON /F
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5580
    • C:\Program Files\TeamViewer\TeamViewer_Service.exe
      "C:\Program Files\TeamViewer\TeamViewer_Service.exe" -install
      2⤵
      • Executes dropped EXE
      PID:1224
    • C:\Program Files\TeamViewer\TeamViewer.exe
      "C:\Program Files\TeamViewer\TeamViewer.exe" api --install
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:924
    • C:\Program Files\TeamViewer\tv_x64.exe
      "C:\Program Files\TeamViewer\tv_x64.exe" --action uninstallpnpdriver --inf "C:\Program Files\TeamViewer\x64\TVVirtualMonitorDriver.inf" --log "C:\Program Files\TeamViewer\TeamViewer15_Hooks.log"
      2⤵
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Executes dropped EXE
      PID:3244
    • C:\Program Files\TeamViewer\tv_x64.exe
      "C:\Program Files\TeamViewer\tv_x64.exe" --action installpnpdriver --inf "C:\Program Files\TeamViewer\x64\TVVirtualMonitorDriver.inf" --log "C:\Program Files\TeamViewer\TeamViewer15_Hooks.log"
      2⤵
      • Drops file in Windows directory
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      PID:3656
    • C:\Windows\SysWOW64\schtasks.exe
      C:\Windows\system32\schtasks /Delete /TN TVInstallRestore /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5892
  • C:\Program Files\TeamViewer\RollbackTemp\TeamViewer_.exe
    "C:\Program Files\TeamViewer\RollbackTemp\TeamViewer_.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Windows\SysWOW64\schtasks.exe
      C:\Windows\system32\schtasks /Create /TN TVInstallRestore /TR "\"C:\Program Files\TeamViewer\RollbackTemp\TeamViewer_.exe\" /RESTORE" /RU SYSTEM /SC ONLOGON /F
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2544
  • C:\Program Files\TeamViewer\TeamViewer_Service.exe
    "C:\Program Files\TeamViewer\TeamViewer_Service.exe"
    1⤵
    • Executes dropped EXE
    PID:5484
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "4" "0" "C:\Users\Admin\AppData\Local\Temp\{27ca9a79-89b6-cf4e-b166-46a1a8412f55}\TVVirtualMonitorDriver.inf" "9" "4e60e5847" "000000000000017C" "WinSta0\Default" "0000000000000178" "208" "C:\Program Files\TeamViewer\x64"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Modifies data under HKEY_USERS
    PID:2620
  • C:\Program Files\TeamViewer\TeamViewer_Service.exe
    "C:\Program Files\TeamViewer\TeamViewer_Service.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Executes dropped EXE
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Program Files\TeamViewer\TeamViewer.exe
      "C:\Program Files\TeamViewer\TeamViewer.exe"
      2⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2964
    • C:\Program Files\TeamViewer\tv_w32.exe
      "C:\Program Files\TeamViewer\tv_w32.exe" --log C:\Program Files\TeamViewer\TeamViewer15_Logfile.log --action hooks
      2⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:964
    • C:\Program Files\TeamViewer\tv_x64.exe
      "C:\Program Files\TeamViewer\tv_x64.exe" --log C:\Program Files\TeamViewer\TeamViewer15_Logfile.log --action hooks
      2⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      PID:3376

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        TeamViewer_.exe

        • Path C:\Program Files\TeamViewer\RollbackTemp\TeamViewer_.exe
        • Size 41.1MB
        • SHA256 b47c896d78a61fb5bd0f0d2b1b9db6ed2c63a30a78565d234deda49e3f23826a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TeamViewer_Service.exe

        • Path C:\Program Files\TeamViewer\TeamViewer_Service.exe
        • Size 26.1MB
        • SHA256 ef07838762db23a42df77d0ee273c825070849a1fe9ea45d48a4f9000d565e04
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tv_x64.exe

        • Path C:\Program Files\TeamViewer\tv_x64.exe
        • Size 440KB
        • SHA256 5386fece64b07651e4874309c4c179e75799d6672efc0c0ac81038d9ba0946cc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TeamViewerVPN.sy_

        • Path C:\Program Files\TeamViewer\x64\TeamViewerVPN.sy_
        • Size 45KB
        • SHA256 3a09c3a24ec480ba4ad466760996e0f3ced30c1499abda32da6ead9de5d08836
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TV15Install.log

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV15Install.log
        • Size 2KB
        • SHA256 5cb5eb6b21b9837f4876046d5d3502405a8ea43bfa95a07fc4d6a8737bf3e504
        • MD5 SHA1 SHA512 TLSH

        TV15Install.log

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV15Install.log
        • Size 2KB
        • SHA256 af3b69b503461a81a84d533cb325a5bb2c04d5b3b783f0bba8f09030bca084c6
        • MD5 SHA1 SHA512 TLSH

        TV15Install.log

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV15Install.log
        • Size 4KB
        • SHA256 dcad2b95005e605c6b83f7ca96540e915a7f0bf9d3f8cfacc4cdbeded7954e4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InstallOptions.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3A23.tmp\InstallOptions.dll
        • Size 15KB
        • SHA256 44b1d70219f88564d94da9fc8a7ca4d25d103575519c84a44df3057b8af98f71
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3A23.tmp\System.dll
        • Size 12KB
        • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TvGetVersion.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3A23.tmp\TvGetVersion.dll
        • Size 696KB
        • SHA256 e35396c7d7e32a8fe771895ed9ea16bd85c8544410bf4dc70a42ccd2884cfd83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UAC.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3A23.tmp\UAC.dll
        • Size 29KB
        • SHA256 b5bb8d301173c4dd2969b1203d2c7d9400ba3f7f2e34ee102905bd2724162430
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3A23.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 e0dc3112796dbaa37f25ab54b7fac2fbf791cbc6e36a84fc61c6423b84a3677b
        • MD5 SHA1 SHA512 TLSH

        hoststart_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3A23.tmp\hoststart_unicode.ini
        • Size 1KB
        • SHA256 4c776e60e6a9ce4abbb547bdf5ef5b43a7055895766b83ec7b253761f136f30e
        • MD5 SHA1 SHA512 TLSH

        hoststart_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3A23.tmp\hoststart_unicode.ini
        • Size 1KB
        • SHA256 028006184bb632c7d99d4843ed5d5dd0e81b619e851e137804208c58664ab404
        • MD5 SHA1 SHA512 TLSH

        hoststart_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3A23.tmp\hoststart_unicode.ini
        • Size 1KB
        • SHA256 73259ee2784cb856f6d480a91bc9f1dcaadfe2a5aa18bafd7af9aacf79be10e2
        • MD5 SHA1 SHA512 TLSH

        nsArray.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3A23.tmp\nsArray.dll
        • Size 18KB
        • SHA256 8b8be21fa7bca491c93683c9f84bb49370ca7e1e864bd0658ff9e1d2809b67e4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsExec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3A23.tmp\nsExec.dll
        • Size 7KB
        • SHA256 b121689861b506dbc9c3797b49bc8a90d555cb7db58cb959165cc758391c00bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsis7z.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3A23.tmp\nsis7z.dll
        • Size 187KB
        • SHA256 5d71aaeefbc81732017e9040c8087e6686a16dd54e6d9bcd5ba7a47af68cc925
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vpn_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3A23.tmp\vpn_unicode.ini
        • Size 1KB
        • SHA256 84c0a40e87638c5500a0c404d450ade94c5b9d414b63c7093b95291d9d77da4d
        • MD5 SHA1 SHA512 TLSH

        environment_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsr6171.tmp\environment_unicode.ini
        • Size 1KB
        • SHA256 0412a1be7aef49060bbaf0cd8620c09c8035cd198fae5220c670b980a2979b17
        • MD5 SHA1 SHA512 TLSH

        finish_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsr6171.tmp\finish_unicode.ini
        • Size 1KB
        • SHA256 51b57cf2c70006646a76797cadaa5d014c9ff707da8a4b4e17bcdfccc3c00fd8
        • MD5 SHA1 SHA512 TLSH

        hoststart_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsr6171.tmp\hoststart_unicode.ini
        • Size 1KB
        • SHA256 99d0a2f3358ec721947a406deadd3e0bc491779cc9b320bc82b68e5712f8bb15
        • MD5 SHA1 SHA512 TLSH

        hoststart_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsr6171.tmp\hoststart_unicode.ini
        • Size 1KB
        • SHA256 90f9d23eb9259989715ba7bab9d012c8d45bd3180f9c8b27e0eca1a4974fbdc3
        • MD5 SHA1 SHA512 TLSH

        vpn_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsr6171.tmp\vpn_unicode.ini
        • Size 1KB
        • SHA256 a92335f6eb3442cdd84f7bad772db6a2f5d1f73633c307743bc88ec472dc0444
        • MD5 SHA1 SHA512 TLSH

        tvvirtualmonitordriver.inf_amd64_b8a4eb13af8975aa.ini

        • Path C:\Windows\System32\DriverStore\FileRepository\tvvirtualmonitordriver.inf_amd64_b8a4eb13af8975aa.ini
        • Size 476B
        • SHA256 5ece2741f505f4a03d2913593d2bb944541ebe2f6284a379647c0fa7aac5468e
        • MD5 SHA1 SHA512 TLSH

        memory/2964-1151-0x0000023A37130000-0x0000023A382A5000-memory.dmp

        memory/2964-1155-0x0000023A37130000-0x0000023A382A5000-memory.dmp

        memory/4388-186-0x0000000074800000-0x000000007480A000-memory.dmp

        memory/4588-425-0x00000000742B0000-0x00000000742BA000-memory.dmp