Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/10/2026, 18:54

General

  • Target
    jaffacakes118_Trojan.Win32.Inject.bjnw.exe
  • Size 152KB
  • Sample261018-xkaecscc39
  • SHA256 732fa2f8f7ba376703cc7bde261038df2b91cfda59fef3a6cce9b2e8f2df7b0b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • metasploit

Version
  • encoder/call4_dword_xor

Signatures

  • Family: MetaSploit

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

  • Checks computer location settings 2 TTPs 8 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 14 IoCs
  • Maps connected drives based on registry 3 TTPs 16 IoCs

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

  • Drops file in System32 directory 24 IoCs
  • Suspicious use of SetThreadContext 8 IoCs
  • UPX packed file 18 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 16 IoCs

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

  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Inject.bjnw.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Inject.bjnw.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4028
    • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Inject.bjnw.exe
      "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Inject.bjnw.exe"
      2⤵
      • Checks computer location settings
      • Maps connected drives based on registry
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3216
      • C:\Windows\SysWOW64\wmpktb32.exe
        "C:\Windows\system32\wmpktb32.exe" C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1756
        • C:\Windows\SysWOW64\wmpktb32.exe
          "C:\Windows\system32\wmpktb32.exe" C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
          4⤵
          • Checks computer location settings
          • Deletes itself
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4632
          • C:\Windows\SysWOW64\wmpktb32.exe
            "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3028
            • C:\Windows\SysWOW64\wmpktb32.exe
              "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Maps connected drives based on registry
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1936
              • C:\Windows\SysWOW64\wmpktb32.exe
                "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
                7⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:860
                • C:\Windows\SysWOW64\wmpktb32.exe
                  "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
                  8⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Maps connected drives based on registry
                  • Drops file in System32 directory
                  • System Location Discovery: System Language Discovery
                  • Modifies registry class
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of WriteProcessMemory
                  PID:1512
                  • C:\Windows\SysWOW64\wmpktb32.exe
                    "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
                    9⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:1760
                    • C:\Windows\SysWOW64\wmpktb32.exe
                      "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
                      10⤵
                      • Checks computer location settings
                      • Executes dropped EXE
                      • Maps connected drives based on registry
                      • Drops file in System32 directory
                      • System Location Discovery: System Language Discovery
                      • Modifies registry class
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of WriteProcessMemory
                      PID:4700
                      • C:\Windows\SysWOW64\wmpktb32.exe
                        "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
                        11⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of WriteProcessMemory
                        PID:5032
                        • C:\Windows\SysWOW64\wmpktb32.exe
                          "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
                          12⤵
                          • Checks computer location settings
                          • Executes dropped EXE
                          • Maps connected drives based on registry
                          • Drops file in System32 directory
                          • System Location Discovery: System Language Discovery
                          • Modifies registry class
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of WriteProcessMemory
                          PID:3532
                          • C:\Windows\SysWOW64\wmpktb32.exe
                            "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
                            13⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of WriteProcessMemory
                            PID:2208
                            • C:\Windows\SysWOW64\wmpktb32.exe
                              "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
                              14⤵
                              • Checks computer location settings
                              • Executes dropped EXE
                              • Maps connected drives based on registry
                              • Drops file in System32 directory
                              • System Location Discovery: System Language Discovery
                              • Modifies registry class
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of WriteProcessMemory
                              PID:1896
                              • C:\Windows\SysWOW64\wmpktb32.exe
                                "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
                                15⤵
                                • Executes dropped EXE
                                • Suspicious use of SetThreadContext
                                • System Location Discovery: System Language Discovery
                                • Suspicious use of WriteProcessMemory
                                PID:1292
                                • C:\Windows\SysWOW64\wmpktb32.exe
                                  "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
                                  16⤵
                                  • Checks computer location settings
                                  • Executes dropped EXE
                                  • Maps connected drives based on registry
                                  • Drops file in System32 directory
                                  • System Location Discovery: System Language Discovery
                                  • Modifies registry class
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:3816
                                  • C:\Windows\SysWOW64\wmpktb32.exe
                                    "C:\Windows\system32\wmpktb32.exe" C:\Windows\SysWOW64\wmpktb32.exe
                                    17⤵
                                      PID:2628

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          wmpktb32.exe

          • Path C:\Windows\SysWOW64\wmpktb32.exe
          • Size 152KB
          • SHA256 732fa2f8f7ba376703cc7bde261038df2b91cfda59fef3a6cce9b2e8f2df7b0b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1512-67-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/1896-88-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/1936-58-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/3216-2-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/3216-3-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/3216-4-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/3216-31-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/3216-39-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/3216-0-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/3532-81-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/3816-97-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/4632-46-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/4632-51-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/4632-48-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/4632-44-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/4632-45-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/4632-47-0x0000000000400000-0x0000000000456000-memory.dmp

          memory/4700-75-0x0000000000400000-0x0000000000456000-memory.dmp