Analysis

  • max time kernel
    144s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2025 23:08

General

  • Target

    MoonCrypter/fixer1.exe

  • Size

    510KB

  • MD5

    696be443d22e8435a3649313ce100c66

  • SHA1

    3213e88a7accb1002f67770f3f972fb19f2da7de

  • SHA256

    1f7561c08f10f443c953fe4292bbc3e69e739f9c61e426fba4c210de423f1ddb

  • SHA512

    b15e57b35cd7ea49b288103a327cd7fce80494f05d048b9ae909647f5f4f3acbb4b25495e48375bf6f7191f39b7dd941a098a914d281687847996c37a288424d

  • SSDEEP

    12288:jY5yIaKqe+ys/755QzLBH8oAfZsZpp2egI:wyIaKqzys/7kmoAfiHDgI

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 25 IoCs
  • Loads dropped DLL 49 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 29 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 23 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MoonCrypter\fixer1.exe
    "C:\Users\Admin\AppData\Local\Temp\MoonCrypter\fixer1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Users\Admin\AppData\Local\Temp\MoonCrypter\Jint\Launcher.exe
      "C:\Users\Admin\AppData\Local\Temp\MoonCrypter\Jint\Launcher.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" add-mppreference -exclusionpath C:\Windows\IMF\
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2596
      • C:\Windows\IMF\Windows Services.exe
        "C:\Windows\IMF\Windows Services.exe" {Arguments If Needed}
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2072
        • C:\Windows\IMF\Secure System Shell.exe
          "C:\Windows\IMF\Secure System Shell.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2992
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2328
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2988
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2056
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2240
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2124
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:592
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2440
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:760
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1768
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2760
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2320
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:788
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2756
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1712
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1596
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2852
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2792
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:688
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2616
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2504
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2928
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2116
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1476
    • C:\Users\Admin\AppData\Local\Temp\MoonCrypter\Jint\mce.exe
      "C:\Users\Admin\AppData\Local\Temp\MoonCrypter\Jint\mce.exe"
      2⤵
        PID:2472
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
      1⤵
      • System Location Discovery: System Language Discovery
      PID:2520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\IMF\Runtime Explorer.exe

      Filesize

      144KB

      MD5

      5ea4ee24f01613f1bd403312c46b9ec9

      SHA1

      3d76201186437c8e0daba0ee37472fe3c4ef546d

      SHA256

      c81755fe990f1b023bf9b88eed4856c088755af050ea4627ed081a8203f03472

      SHA512

      73b0cc6d49db601b50a5c89b4b0f083a69efd6ff063edc03c93cac16c104173b8a1d172279e88f8a1b17b3b56f27a9fe6f207fde51729292cbacb272c75c8f53

    • C:\Windows\IMF\Secure System Shell.exe

      Filesize

      45KB

      MD5

      7d0c7359e5b2daa5665d01afdc98cc00

      SHA1

      c3cc830c8ffd0f53f28d89dcd9f3426be87085cb

      SHA256

      f1abd5ab03189e82971513e6ca04bd372fcf234d670079888f01cf4addd49809

      SHA512

      a8f82b11b045d8dd744506f4f56f3382b33a03684a6aebc91a02ea901c101b91cb43b7d0213f72f39cbb22f616ecd5de8b9e6c99fb5669f26a3ea6bcb63c8407

    • C:\Windows\IMF\Windows Services.exe

      Filesize

      46KB

      MD5

      ad0ce1302147fbdfecaec58480eb9cf9

      SHA1

      874efbc76e5f91bc1425a43ea19400340f98d42b

      SHA256

      2c339b52b82e73b4698a0110cdfe310c00c5c69078e9e1bd6fa1308652bf82a3

      SHA512

      adccd5520e01b673c2fc5c451305fe31b1a3e74891aece558f75fefc50218adf1fb81bb8c7f19969929d3fecb0fdb2cb5b564400d51e0a5a1ad8d5bc2d4eed53

    • memory/2072-46-0x00000000001A0000-0x00000000001B2000-memory.dmp

      Filesize

      72KB

    • memory/2812-4-0x0000000000F90000-0x0000000000FA4000-memory.dmp

      Filesize

      80KB

    • memory/2812-5-0x0000000074CC0000-0x00000000753AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2812-6-0x0000000074CC0000-0x00000000753AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2812-7-0x0000000000470000-0x00000000004EE000-memory.dmp

      Filesize

      504KB

    • memory/2812-8-0x0000000074CC0000-0x00000000753AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2812-47-0x0000000074CC0000-0x00000000753AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2868-11-0x0000000074CC0000-0x00000000753AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2868-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

      Filesize

      4KB

    • memory/2868-3-0x0000000074CC0000-0x00000000753AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2868-2-0x0000000074CC0000-0x00000000753AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2868-1-0x0000000000AF0000-0x0000000000B76000-memory.dmp

      Filesize

      536KB

    • memory/2992-55-0x0000000000150000-0x0000000000162000-memory.dmp

      Filesize

      72KB