Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/06/2026, 12:19

General

  • Target
    bseng-1.exe
  • Size 1.8MB
  • Sample260619-pg9faafx5k
  • SHA256 f2e4a4a886757ce7e2492cbc509d2d29fad5674d037482057f3ee77986892198
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 30 IoCs

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

  • Drops file in Program Files directory 26 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bseng-1.exe
    "C:\Users\Admin\AppData\Local\Temp\bseng-1.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ClientRun.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ClientRun.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:764
      • C:\Program Files (x86)\seetrol\client\SeetrolClient.exe
        "C:\Program Files (x86)\seetrol\client\SeetrolClient.exe"
        3⤵
        • Modifies firewall policy service
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:4496
        • C:\Windows\SysWOW64\ipconfig.exe
          "C:\Windows\System32\ipconfig.exe" /flushdns
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers network information
          PID:5284
        • C:\Program Files (x86)\seetrol\client\Seetrol_Clt.exe
          "C:\Program Files (x86)\seetrol\client\Seetrol_Clt.exe" -controlservice -slave
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:3280
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004BC 0x00000000000004B8
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5748
  • C:\Program Files (x86)\seetrol\client\Seetrol_Clt.exe
    "C:\Program Files (x86)\seetrol\client\Seetrol_Clt.exe" -service
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4504
  • C:\Program Files (x86)\seetrol\client\SeetrolMyService.exe
    "C:\Program Files (x86)\seetrol\client\SeetrolMyService.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5660

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        SeetrolClient.cfg

        • Path C:\Program Files (x86)\seetrol\client\SeetrolClient.cfg
        • Size 332B
        • SHA256 29d6602ed1f1464a2c60a3d8d532399d6e7b6eb4f51a178f8d7eae1c3201f969
        • MD5 SHA1 SHA512 TLSH

        SeetrolClient.cfg

        • Path C:\Program Files (x86)\seetrol\client\SeetrolClient.cfg
        • Size 332B
        • SHA256 6b6bc42f0a72da5f0ff31c9feb78deaa061765c87c56554ea620ef9607bcadd1
        • MD5 SHA1 SHA512 TLSH

        ClientRun.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ClientRun.exe
        • Size 39KB
        • SHA256 dad41a49e11719c9cd1dc93c74dd881d223666a6c2d16044836e1e2c2c28e492
        • MD5 SHA1 SHA512 SSDEEP TLSH

        STClientChat.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\STClientChat.exe
        • Size 626KB
        • SHA256 b51ae253c7a37d4a6f4c820991d60fc6d903e201fd1beedf8c7d599d99538e60
        • MD5 SHA1 SHA512 SSDEEP TLSH

        STUpdate.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\STUpdate.exe
        • Size 54KB
        • SHA256 d46cacc5b081ffcb42cc4f2816696d179a3f03ff89d7791f09ea04789a38d4a8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SeetrolClient.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SeetrolClient.exe
        • Size 710KB
        • SHA256 2096a5e42c046c360c7cd646309a0e7dbbaaed00e84e242166108464b7b0ca22
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SeetrolMyService.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SeetrolMyService.exe
        • Size 46KB
        • SHA256 c10728f8ce75bb510f207380c4e8ed2f0f3f54d83e70dec018104914acd29f4d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Seetrol_Clt.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Seetrol_Clt.exe
        • Size 346KB
        • SHA256 bd4911699b7ef2f0eb87257c72d1753a3303efdb22bd3ae43c7f6e3b76d1d599
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sas.dll

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sas.dll
        • Size 14KB
        • SHA256 c2904b2822b3c1b003a72f84d42ffbfdefd253f322c99b77cf8a950f37c716e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sthooks.dll

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sthooks.dll
        • Size 70KB
        • SHA256 18997169e6d07921bb724c9e6a5ab784bccab52f598c5cf0c166aa47db0c1c5a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/764-19-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/764-33-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3280-51-0x0000000000400000-0x00000000004F5000-memory.dmp

        memory/4496-60-0x0000000000400000-0x0000000000727000-memory.dmp

        memory/4496-34-0x0000000000726000-0x0000000000727000-memory.dmp

        memory/4496-46-0x0000000000400000-0x0000000000727000-memory.dmp

        memory/4496-32-0x0000000000400000-0x0000000000727000-memory.dmp

        memory/4496-50-0x0000000000400000-0x0000000000727000-memory.dmp

        memory/4504-40-0x0000000000400000-0x00000000004F5000-memory.dmp

        memory/4504-49-0x0000000000400000-0x00000000004F5000-memory.dmp

        memory/5660-67-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-81-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-55-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-63-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-44-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-71-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-76-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-59-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-85-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-89-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-93-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-97-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-101-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-105-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/5660-109-0x0000000000400000-0x0000000000420000-memory.dmp