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Analysis

  • max time kernel
    134s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2025, 16:02

General

  • Target

    freeSpoofer/freeSpoofer.exe

  • Size

    1.4MB

  • MD5

    57749553c159683cf8c646bea1fa7e21

  • SHA1

    414bdd48c6fd752f6d6100ad1c38fdecda8ffece

  • SHA256

    5f1287749ae0d7025a05ab21ab24a6ccce54618f0890e51e85c12f76b0559d13

  • SHA512

    6f3138fe1628880e30e7c451f285f8090ec41463c19aaabe2f42395f366d9f29dfe86a07a9086b0da1e1c52f71746fdb82f16a86c472a209996eb94098c19c41

  • SSDEEP

    24576:wUNxvqF6FGYJf6yjNQpNONZNlTX5PlGPgquLEIWxUc7N11QaSYx7Gq6n9uX5:wUNxvC6FGYJf6yjNQpNONZnTX5PlGPgQ

Malware Config

Signatures

  • Cerber 4 IoCs

    Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.

  • Cerber family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 3 IoCs

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

  • Themida packer 7 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Drops desktop.ini file(s) 7 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Enumerates system info in registry 2 TTPs 18 IoCs
  • Kills process with taskkill 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\freeSpoofer\freeSpoofer.exe
    "C:\Users\Admin\AppData\Local\Temp\freeSpoofer\freeSpoofer.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Windows\system32\cmd.exe
      cmd.exe /c start C:\Users\Admin\AppData\Local\Temp\freeSpoofer\tools\applecleaner_2.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2336
      • C:\Users\Admin\AppData\Local\Temp\freeSpoofer\tools\applecleaner_2.exe
        C:\Users\Admin\AppData\Local\Temp\freeSpoofer\tools\applecleaner_2.exe
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Drops desktop.ini file(s)
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2944
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c taskkill /f /im EpicGamesLauncher.exe >nul 2>&1
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2156
          • C:\Windows\system32\taskkill.exe
            taskkill /f /im EpicGamesLauncher.exe
            5⤵
            • Cerber
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2728
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c taskkill /f /im FortniteClient-Win64-Shipping.exe >nul 2>&1
          4⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:2720
          • C:\Windows\system32\taskkill.exe
            taskkill /f /im FortniteClient-Win64-Shipping.exe
            5⤵
            • Cerber
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1504
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c taskkill /f /im Battle.net.exe >nul 2>&1
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2828
          • C:\Windows\system32\taskkill.exe
            taskkill /f /im Battle.net.exe
            5⤵
            • Cerber
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2836
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c start https://applecheats.cc
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2016
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" https://applecheats.cc/
            5⤵
            • Drops desktop.ini file(s)
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2708
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2708 CREDAT:275457 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:1128
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c pause
          4⤵
            PID:1316
      • C:\Windows\system32\cmd.exe
        cmd.exe /c net user administrator /active:yes |start C:\Users\Admin\AppData\Local\Temp\freeSpoofer\tools\AMIDEWINx64.EXE /ALL C:\Users\Admin\AppData\Local\Temp\freeSpoofer\tools\alt.txt
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1112
        • C:\Windows\system32\net.exe
          net user administrator /active:yes
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1072
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 user administrator /active:yes
            4⤵
              PID:1632
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" start C:\Users\Admin\AppData\Local\Temp\freeSpoofer\tools\AMIDEWINx64.EXE /ALL C:\Users\Admin\AppData\Local\Temp\freeSpoofer\tools\alt.txt"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:744
            • C:\Users\Admin\AppData\Local\Temp\freeSpoofer\tools\AMIDEWINx64.EXE
              C:\Users\Admin\AppData\Local\Temp\freeSpoofer\tools\AMIDEWINx64.EXE /ALL C:\Users\Admin\AppData\Local\Temp\freeSpoofer\tools\alt.txt
              4⤵
              • Cerber
              PID:2648

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Cab9E45.tmp

        Filesize

        70KB

        MD5

        49aebf8cbd62d92ac215b2923fb1b9f5

        SHA1

        1723be06719828dda65ad804298d0431f6aff976

        SHA256

        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

        SHA512

        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      • C:\Users\Admin\AppData\Local\Temp\Tar9F32.tmp

        Filesize

        181KB

        MD5

        4ea6026cf93ec6338144661bf1202cd1

        SHA1

        a1dec9044f750ad887935a01430bf49322fbdcb7

        SHA256

        8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

        SHA512

        6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

      • memory/2336-0-0x000000013FCA0000-0x0000000140642000-memory.dmp

        Filesize

        9.6MB

      • memory/2944-1-0x000000013FCA0000-0x0000000140642000-memory.dmp

        Filesize

        9.6MB

      • memory/2944-2-0x00000000779F0000-0x00000000779F2000-memory.dmp

        Filesize

        8KB

      • memory/2944-3-0x000000013FCA0000-0x0000000140642000-memory.dmp

        Filesize

        9.6MB

      • memory/2944-5-0x000000013FCA0000-0x0000000140642000-memory.dmp

        Filesize

        9.6MB

      • memory/2944-4-0x000000013FCA0000-0x0000000140642000-memory.dmp

        Filesize

        9.6MB

      • memory/2944-6-0x000000013FCA0000-0x0000000140642000-memory.dmp

        Filesize

        9.6MB

      • memory/2944-30-0x000000013FCA0000-0x0000000140642000-memory.dmp

        Filesize

        9.6MB