Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/10/2026, 06:01

General

  • Target
    jaffacakes118_30a9a3ef9666c1ed10fc4ae5d64bb654ff9a54f398314f79c6ed011baac3085d.exe
  • Size 313KB
  • Sample261002-grbyrstsdv
  • SHA256 30a9a3ef9666c1ed10fc4ae5d64bb654ff9a54f398314f79c6ed011baac3085d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • metasploit

Version
  • encoder/fnstenv_mov

Signatures

  • Family: MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Executes dropped EXE 20 IoCs
  • Drops file in System32 directory 22 IoCs
  • Suspicious use of SetThreadContext 11 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 22 IoCs

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

  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_30a9a3ef9666c1ed10fc4ae5d64bb654ff9a54f398314f79c6ed011baac3085d.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_30a9a3ef9666c1ed10fc4ae5d64bb654ff9a54f398314f79c6ed011baac3085d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_30a9a3ef9666c1ed10fc4ae5d64bb654ff9a54f398314f79c6ed011baac3085d.exe
      "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_30a9a3ef9666c1ed10fc4ae5d64bb654ff9a54f398314f79c6ed011baac3085d.exe"
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5116
      • C:\Windows\SysWOW64\winupdate.exe
        C:\Windows\system32\winupdate.exe 1120 "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_30a9a3ef9666c1ed10fc4ae5d64bb654ff9a54f398314f79c6ed011baac3085d.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4304
        • C:\Windows\SysWOW64\winupdate.exe
          "C:\Windows\SysWOW64\winupdate.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4920
          • C:\Windows\SysWOW64\winupdate.exe
            C:\Windows\system32\winupdate.exe 1020 "C:\Windows\SysWOW64\winupdate.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4940
            • C:\Windows\SysWOW64\winupdate.exe
              "C:\Windows\SysWOW64\winupdate.exe"
              6⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:844
              • C:\Windows\SysWOW64\winupdate.exe
                C:\Windows\system32\winupdate.exe 1120 "C:\Windows\SysWOW64\winupdate.exe"
                7⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:1896
                • C:\Windows\SysWOW64\winupdate.exe
                  "C:\Windows\SysWOW64\winupdate.exe"
                  8⤵
                  • Executes dropped EXE
                  • Drops file in System32 directory
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:2152
                  • C:\Windows\SysWOW64\winupdate.exe
                    C:\Windows\system32\winupdate.exe 1120 "C:\Windows\SysWOW64\winupdate.exe"
                    9⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:4048
                    • C:\Windows\SysWOW64\winupdate.exe
                      "C:\Windows\SysWOW64\winupdate.exe"
                      10⤵
                      • Executes dropped EXE
                      • Drops file in System32 directory
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1688
                      • C:\Windows\SysWOW64\winupdate.exe
                        C:\Windows\system32\winupdate.exe 1120 "C:\Windows\SysWOW64\winupdate.exe"
                        11⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of WriteProcessMemory
                        PID:1672
                        • C:\Windows\SysWOW64\winupdate.exe
                          "C:\Windows\SysWOW64\winupdate.exe"
                          12⤵
                          • Executes dropped EXE
                          • Drops file in System32 directory
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of WriteProcessMemory
                          PID:2876
                          • C:\Windows\SysWOW64\winupdate.exe
                            C:\Windows\system32\winupdate.exe 1120 "C:\Windows\SysWOW64\winupdate.exe"
                            13⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of WriteProcessMemory
                            PID:1624
                            • C:\Windows\SysWOW64\winupdate.exe
                              "C:\Windows\SysWOW64\winupdate.exe"
                              14⤵
                              • Executes dropped EXE
                              • Drops file in System32 directory
                              • System Location Discovery: System Language Discovery
                              • Suspicious use of WriteProcessMemory
                              PID:5036
                              • C:\Windows\SysWOW64\winupdate.exe
                                C:\Windows\system32\winupdate.exe 1120 "C:\Windows\SysWOW64\winupdate.exe"
                                15⤵
                                • Executes dropped EXE
                                • Suspicious use of SetThreadContext
                                • System Location Discovery: System Language Discovery
                                • Suspicious use of WriteProcessMemory
                                PID:3464
                                • C:\Windows\SysWOW64\winupdate.exe
                                  "C:\Windows\SysWOW64\winupdate.exe"
                                  16⤵
                                  • Executes dropped EXE
                                  • Drops file in System32 directory
                                  • System Location Discovery: System Language Discovery
                                  • Suspicious use of WriteProcessMemory
                                  PID:4356
                                  • C:\Windows\SysWOW64\winupdate.exe
                                    C:\Windows\system32\winupdate.exe 1124 "C:\Windows\SysWOW64\winupdate.exe"
                                    17⤵
                                    • Executes dropped EXE
                                    • Suspicious use of SetThreadContext
                                    • System Location Discovery: System Language Discovery
                                    • Suspicious use of WriteProcessMemory
                                    PID:824
                                    • C:\Windows\SysWOW64\winupdate.exe
                                      "C:\Windows\SysWOW64\winupdate.exe"
                                      18⤵
                                      • Executes dropped EXE
                                      • Drops file in System32 directory
                                      • System Location Discovery: System Language Discovery
                                      • Suspicious use of WriteProcessMemory
                                      PID:4244
                                      • C:\Windows\SysWOW64\winupdate.exe
                                        C:\Windows\system32\winupdate.exe 1120 "C:\Windows\SysWOW64\winupdate.exe"
                                        19⤵
                                        • Executes dropped EXE
                                        • Suspicious use of SetThreadContext
                                        • System Location Discovery: System Language Discovery
                                        • Suspicious use of WriteProcessMemory
                                        PID:4904
                                        • C:\Windows\SysWOW64\winupdate.exe
                                          "C:\Windows\SysWOW64\winupdate.exe"
                                          20⤵
                                          • Executes dropped EXE
                                          • Drops file in System32 directory
                                          • System Location Discovery: System Language Discovery
                                          PID:2380
                                          • C:\Windows\SysWOW64\winupdate.exe
                                            C:\Windows\system32\winupdate.exe 1124 "C:\Windows\SysWOW64\winupdate.exe"
                                            21⤵
                                            • Executes dropped EXE
                                            • Suspicious use of SetThreadContext
                                            • System Location Discovery: System Language Discovery
                                            PID:2540
                                            • C:\Windows\SysWOW64\winupdate.exe
                                              "C:\Windows\SysWOW64\winupdate.exe"
                                              22⤵
                                              • Executes dropped EXE
                                              • Drops file in System32 directory
                                              • System Location Discovery: System Language Discovery
                                              PID:4544

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        winupdate.exe

        • Path C:\Windows\SysWOW64\winupdate.exe
        • Size 313KB
        • SHA256 30a9a3ef9666c1ed10fc4ae5d64bb654ff9a54f398314f79c6ed011baac3085d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/824-135-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/824-134-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/824-122-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/844-39-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/1624-94-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1624-107-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1624-106-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1672-93-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1672-92-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1672-80-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1688-67-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/1896-65-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1896-64-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1896-52-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/2152-53-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/2380-137-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/2876-81-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/2988-35-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/2988-21-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/2988-34-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/3464-121-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/3464-120-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/3464-108-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4048-66-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4048-78-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4048-79-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4244-123-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/4304-36-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4304-22-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4304-37-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4356-109-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/4904-136-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4904-149-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4904-148-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4920-23-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/4940-50-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4940-38-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/5036-95-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/5116-0-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/5116-3-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/5116-1-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/5116-5-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/5116-2-0x0000000000400000-0x0000000000521000-memory.dmp

        memory/5116-12-0x0000000000400000-0x0000000000521000-memory.dmp