Overview

overview

8

Static

static

3

fnac1-cn-v2.2.1.exe

windows10-2004-x64

7

fnac1-cn-v2.2.1.exe

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    903s
  • max time network
    883s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 00:40

Sharing

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General

  • Target
    fnac1-cn-v2.2.1.exe
  • Size 248.8MB
  • Sample261102-a1aczazsat
  • SHA256 a049263f7decac2beee5a7a510c88a5b1c59055f0f877f6a2d1b22ce7675da8c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Loads dropped DLL 18 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 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 1 IoCs

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 47 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\fnac1-cn-v2.2.1.exe
    "C:\Users\Admin\AppData\Local\Temp\fnac1-cn-v2.2.1.exe"
    1⤵
    • Loads dropped DLL
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2716
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2472
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3612
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:1744
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:5652
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3140
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:804
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:5336

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              prep_Activatable Class_Hermes_perf.cache
              • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
              • Size 599B
              • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              DRPC.mfx
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\DRPC.mfx
              • Size 861KB
              • SHA256 163f8e16167f79bf88a4175af056d31256775b6c68f33e00528f26585e4d0354
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              Get.mfx
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\Get.mfx
              • Size 305KB
              • SHA256 b339ba20b3341cf3da19301eada3370f59e193513a06c90f401f19aec774e757
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              KcButton.mfx
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\KcButton.mfx
              • Size 40KB
              • SHA256 7ad7ca933a51bcd7458cd281bb9e7e30badb85c919d25572407e5afb22750f5e
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              Layer.mfx
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\Layer.mfx
              • Size 122KB
              • SHA256 9e9d49c81e02cdef2ea10f53fee958bb750a96e7567d680f86202f0e28e267a8
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              kcedit.mfx
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\kcedit.mfx
              • Size 32KB
              • SHA256 b38ad01ad8a22f3f553530b000d6d061356601d308e6a79284605c30cb0674ad
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              kcini.mfx
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\kcini.mfx
              • Size 330KB
              • SHA256 5af175ffb932fb653873dad095dd40f2ab8d3fb56f287213c21bb68652ddad2d
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              kcwctrl.mfx
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\kcwctrl.mfx
              • Size 63KB
              • SHA256 0666e52ea54bb2bdb81216443ea0787b8fcc6292b64d6bdf285eebf42e1bbae6
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              mmf2d3d11.dll
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\mmf2d3d11.dll
              • Size 541KB
              • SHA256 5f6563d6bf2f3ceab8b2ca2c15ba4f7fe882a82c1f72b10041b5692c6515a53a
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              mmf2d3d9.dll
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\mmf2d3d9.dll
              • Size 1.5MB
              • SHA256 bddda991185a9e83b9855a109f2fcfa78cd2d5402e9db344c6ec77f6ce69a0c5
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              mmfs2.dll
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\mmfs2.dll
              • Size 768KB
              • SHA256 763ef4484ba9b9e10e19268c045732515f0ac143cf075e6d1ea1f5adcc77633b
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              oggflt.sft
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\oggflt.sft
              • Size 130KB
              • SHA256 9e589f86317d840df9bb74f6ee20c24ca65afe58f4009740382f63a0f5531941
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              parser.mfx
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\parser.mfx
              • Size 30KB
              • SHA256 9813631f63f79fbaa741094786d4b13c34515ec4a33c0d4e88b75a20973c887c
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              ultimatefullscreen.mfx
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\ultimatefullscreen.mfx
              • Size 73KB
              • SHA256 fd179783ff6e6eb0959185087f33ed4a1b256e58762d9817bcb16888e20f7058
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              waveFlt.sft
              • Path C:\Users\Admin\AppData\Local\Temp\mrt8553.tmp\waveFlt.sft
              • Size 8KB
              • SHA256 92a5053cf5973a6aa228c738d55387f12f1dfa8a837d7b938c60f05b6b56b3ad
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/2716-42-0x0000000002A40000-0x0000000002A4B000-memory.dmp
              Download

              memory/2716-35-0x0000000002A60000-0x0000000002AB0000-memory.dmp
              Download

              memory/2716-57-0x0000000003020000-0x0000000003044000-memory.dmp
              Download

              memory/5652-89-0x000002DD82CF0000-0x000002DD82D10000-memory.dmp
              Download

              memory/5652-77-0x000002DD82A90000-0x000002DD82AB0000-memory.dmp
              Download

              memory/5652-97-0x000002DD94270000-0x000002DD94290000-memory.dmp
              Download

              memory/5652-78-0x000002DD82EF0000-0x000002DD82FF0000-memory.dmp
              Download

              memory/5652-66-0x000002DD801E0000-0x000002DD802E0000-memory.dmp
              Download