Analysis

  • max time kernel
    144s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    05-08-2024 13:16

General

  • Target

    NyanCat.exe

  • Size

    39KB

  • MD5

    9fc25d78debcf4531098017c9c8f08a7

  • SHA1

    d8ba383e4bf212cba6b8d4ae046e391adce0a309

  • SHA256

    1e41457abea09ee91b224102c233add293eca4cc277b55158eb62bed415b32c3

  • SHA512

    1fc6e848218bc5a60d8e5db98759fe898d1845b8c4a3623bb1c86ca57ec9977a30f7aed1e2b57fa076fd4166d354755d67cb5e03d75770cfb315c492e9418c00

  • SSDEEP

    384:y+KmCtsJTpgFYJZwzVGkvwKwq6uMOOHVn2wcUFjuXk3W5xxxxxxxxxxxxxxxxxxp:jHgtSOO12Qj0EjtOOy2Qj0Bu

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 47 IoCs

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

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
    "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
      "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2292
      • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
        "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1896
        • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
          "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2748
          • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
            "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2852
            • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
              "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2620
              • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2716
                • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                  "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                  8⤵
                  • System Location Discovery: System Language Discovery
                  PID:580
                  • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                    "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                    9⤵
                    • System Location Discovery: System Language Discovery
                    PID:780
                    • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                      "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                      10⤵
                      • System Location Discovery: System Language Discovery
                      PID:1872
                      • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                        "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                        11⤵
                        • System Location Discovery: System Language Discovery
                        PID:1196
                        • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                          "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                          12⤵
                          • System Location Discovery: System Language Discovery
                          PID:3000
                          • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                            "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                            13⤵
                            • System Location Discovery: System Language Discovery
                            PID:828
                            • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                              "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                              14⤵
                              • System Location Discovery: System Language Discovery
                              PID:1148
                              • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                                "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                                15⤵
                                • System Location Discovery: System Language Discovery
                                PID:3140
            • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
              "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2608
              • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:672
                • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                  "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                  8⤵
                  • System Location Discovery: System Language Discovery
                  PID:2356
                  • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                    "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                    9⤵
                    • System Location Discovery: System Language Discovery
                    PID:2772
                    • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                      "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                      10⤵
                      • System Location Discovery: System Language Discovery
                      PID:3024
                      • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                        "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                        11⤵
                        • System Location Discovery: System Language Discovery
                        PID:844
                        • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                          "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                          12⤵
                          • System Location Discovery: System Language Discovery
                          PID:1712
                          • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                            "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                            13⤵
                            • System Location Discovery: System Language Discovery
                            PID:1452
                            • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                              "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                              14⤵
                              • System Location Discovery: System Language Discovery
                              PID:3092
          • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
            "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2756
            • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
              "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2652
              • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:1992
                • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                  "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                  8⤵
                  • System Location Discovery: System Language Discovery
                  PID:900
                  • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                    "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                    9⤵
                    • System Location Discovery: System Language Discovery
                    PID:2932
                    • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                      "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                      10⤵
                      • System Location Discovery: System Language Discovery
                      PID:3032
                      • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                        "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                        11⤵
                        • System Location Discovery: System Language Discovery
                        PID:1776
                        • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                          "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                          12⤵
                          • System Location Discovery: System Language Discovery
                          PID:888
                          • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                            "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                            13⤵
                            • System Location Discovery: System Language Discovery
                            PID:1672
                            • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                              "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                              14⤵
                              • System Location Discovery: System Language Discovery
                              PID:3084
            • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
              "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2476
              • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:596
                • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                  "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                  8⤵
                  • System Location Discovery: System Language Discovery
                  PID:1068
                  • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                    "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                    9⤵
                    • System Location Discovery: System Language Discovery
                    PID:2964
                    • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                      "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                      10⤵
                      • System Location Discovery: System Language Discovery
                      PID:1188
                      • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                        "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                        11⤵
                        • System Location Discovery: System Language Discovery
                        PID:3040
                        • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                          "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                          12⤵
                          • System Location Discovery: System Language Discovery
                          PID:1804
                          • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                            "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                            13⤵
                            • System Location Discovery: System Language Discovery
                            PID:1788
                • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                  "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                  8⤵
                  • System Location Discovery: System Language Discovery
                  PID:3060
                  • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                    "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                    9⤵
                    • System Location Discovery: System Language Discovery
                    PID:640
                    • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                      "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                      10⤵
                      • System Location Discovery: System Language Discovery
                      PID:1572
                      • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                        "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                        11⤵
                        • System Location Discovery: System Language Discovery
                        PID:2992
                        • C:\Users\Admin\AppData\Local\Temp\NyanCat.exe
                          "C:\Users\Admin\AppData\Local\Temp\NyanCat.exe"
                          12⤵
                          • System Location Discovery: System Language Discovery
                          PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2104-0-0x000000007404E000-0x000000007404F000-memory.dmp

    Filesize

    4KB

  • memory/2104-1-0x0000000000190000-0x00000000001A0000-memory.dmp

    Filesize

    64KB

  • memory/2104-2-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB

  • memory/2104-6-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-3-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-5-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-4-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-7-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-8-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB