Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 12:25

General

  • Target
    TH-9800 Eng 2.0.7.exe
  • Size 2.4MB
  • Sample260808-plvgxsde28
  • SHA256 4b8223d2da1ab38567d19add629d8f5212fe36f6663996e60832ac427e511cdd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • 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 System32 directory 1 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TH-9800 Eng 2.0.7.exe
    "C:\Users\Admin\AppData\Local\Temp\TH-9800 Eng 2.0.7.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4204
    • C:\Program Files (x86)\TH-9800 Eng\Program.exe
      "C:\Program Files (x86)\TH-9800 Eng\Program.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:5436

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Default.dat

        • Path C:\Program Files (x86)\TH-9800 Eng\Default.dat
        • Size 68KB
        • SHA256 89660eed0500e02e6a478d32a3e0fa890eea062d92956b83bfaeab260866ea23
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Program.exe

        • Path C:\Program Files (x86)\TH-9800 Eng\Program.exe
        • Size 1.0MB
        • SHA256 e8bf5d5be8b33ac92c2ac10fea2f4351a0dde6300a6a6564edba26a726ef3640
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Program.ini

        • Path C:\Program Files (x86)\TH-9800 Eng\Program.ini
        • Size 264B
        • SHA256 b406a4664769378c8ff049f889bc058a0107fedb75b5622754045cd471d58912
        • MD5 SHA1 SHA512 TLSH

        InstallOptions.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsa2B3D.tmp\InstallOptions.dll
        • Size 14KB
        • SHA256 8e287326f1cdd5ef2dcd7a72537c68cbe4299ceb1f820707c5820f3aa6d8206c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsa2B3D.tmp\ioSpecial.ini
        • Size 681B
        • SHA256 67b3ac9863caef9cb3fb117e754099f252ec4e062616115545e515e3e26328b8
        • MD5 SHA1 SHA512 TLSH

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsa2B3D.tmp\ioSpecial.ini
        • Size 681B
        • SHA256 fe9080039a5af1b762cc6c538c44b3a4682f242e2844d473c0a26922b699d452
        • MD5 SHA1 SHA512 TLSH

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsa2B3D.tmp\ioSpecial.ini
        • Size 758B
        • SHA256 3c5b7fbe4dc23d2b6c5462c5e2c5e960681098199bf074bc158f4941e9f15e30
        • MD5 SHA1 SHA512 TLSH

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsa2B3D.tmp\ioSpecial.ini
        • Size 719B
        • SHA256 312007c69e018b61fe43b93bb83a06f2837c9cd46700aa2417ac6c69f6152958
        • MD5 SHA1 SHA512 TLSH

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsa2B3D.tmp\ioSpecial.ini
        • Size 668B
        • SHA256 772008668e180464a335237a313d9e416a31d1e0a2c6dbc45dda53a14173fc71
        • MD5 SHA1 SHA512 TLSH

        Msflxgrd.ocx

        • Path C:\Windows\SysWOW64\Msflxgrd.ocx
        • Size 254KB
        • SHA256 36464966fbf46136ce0746c8cf419ca31360f81f06744e10d066441bc0ad5538
        • MD5 SHA1 SHA512 SSDEEP TLSH