Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    16/01/2024, 01:05

General

  • Target
    5e9013e22ff455200a1a014780dbdd5e.exe
  • Size 497KB
  • Sample240116-bfjxcaabap
  • SHA256 cfe125f36d37de26cd3d2003ca27710e67ea988c30bfa3a83b86a56cc1f35e6e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • metasploit

Version
  • encoder/fnstenv_mov

Signatures

  • MetaSploit

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

  • Modifies security service 2 TTPs 22 IoCs
  • Executes dropped EXE 20 IoCs
  • Loads dropped DLL 64 IoCs
  • Drops file in System32 directory 32 IoCs
  • Suspicious use of SetThreadContext 11 IoCs
  • Runs .reg file with regedit 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e9013e22ff455200a1a014780dbdd5e.exe
    "C:\Users\Admin\AppData\Local\Temp\5e9013e22ff455200a1a014780dbdd5e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2500
    • C:\Users\Admin\AppData\Local\Temp\5e9013e22ff455200a1a014780dbdd5e.exe
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1760
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c c:\a.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2760
        • C:\Windows\SysWOW64\regedit.exe
          REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
          4⤵
          • Modifies security service
          • Runs .reg file with regedit
          PID:2288
      • C:\Windows\SysWOW64\updates.exe
        C:\Windows\system32\updates.exe 528 "C:\Users\Admin\AppData\Local\Temp\5e9013e22ff455200a1a014780dbdd5e.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2952
        • C:\Windows\SysWOW64\updates.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2792
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c c:\a.bat
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2788
            • C:\Windows\SysWOW64\regedit.exe
              REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
              6⤵
              • Modifies security service
              • Runs .reg file with regedit
              PID:1560
          • C:\Windows\SysWOW64\updates.exe
            C:\Windows\system32\updates.exe 1160 "C:\Windows\SysWOW64\updates.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious use of SetThreadContext
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1064
            • C:\Windows\SysWOW64\updates.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Drops file in System32 directory
              PID:1960
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c c:\a.bat
                7⤵
                  PID:2116
                  • C:\Windows\SysWOW64\regedit.exe
                    REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                    8⤵
                    • Modifies security service
                    • Runs .reg file with regedit
                    PID:2304
                • C:\Windows\SysWOW64\updates.exe
                  C:\Windows\system32\updates.exe 1160 "C:\Windows\SysWOW64\updates.exe"
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Suspicious use of SetWindowsHookEx
                  PID:3036
                  • C:\Windows\SysWOW64\updates.exe
                    8⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Drops file in System32 directory
                    PID:2244
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd /c c:\a.bat
                      9⤵
                        PID:2856
                      • C:\Windows\SysWOW64\updates.exe
                        C:\Windows\system32\updates.exe 1160 "C:\Windows\SysWOW64\updates.exe"
                        9⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Drops file in System32 directory
                        • Suspicious use of SetThreadContext
                        • Suspicious use of SetWindowsHookEx
                        PID:1900
                        • C:\Windows\SysWOW64\updates.exe
                          10⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          • Drops file in System32 directory
                          PID:2344
                          • C:\Windows\SysWOW64\cmd.exe
                            cmd /c c:\a.bat
                            11⤵
                              PID:2216
                              • C:\Windows\SysWOW64\regedit.exe
                                REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                                12⤵
                                • Modifies security service
                                • Runs .reg file with regedit
                                PID:2552
                            • C:\Windows\SysWOW64\updates.exe
                              C:\Windows\system32\updates.exe 1160 "C:\Windows\SysWOW64\updates.exe"
                              11⤵
                              • Executes dropped EXE
                              • Loads dropped DLL
                              • Drops file in System32 directory
                              • Suspicious use of SetThreadContext
                              • Suspicious use of SetWindowsHookEx
                              PID:1800
                              • C:\Windows\SysWOW64\updates.exe
                                12⤵
                                • Executes dropped EXE
                                • Loads dropped DLL
                                • Drops file in System32 directory
                                PID:2848
                                • C:\Windows\SysWOW64\cmd.exe
                                  cmd /c c:\a.bat
                                  13⤵
                                    PID:2588
                                    • C:\Windows\SysWOW64\regedit.exe
                                      REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                                      14⤵
                                      • Modifies security service
                                      • Runs .reg file with regedit
                                      PID:2364
                                  • C:\Windows\SysWOW64\updates.exe
                                    C:\Windows\system32\updates.exe 1160 "C:\Windows\SysWOW64\updates.exe"
                                    13⤵
                                    • Executes dropped EXE
                                    • Loads dropped DLL
                                    • Drops file in System32 directory
                                    • Suspicious use of SetThreadContext
                                    • Suspicious use of SetWindowsHookEx
                                    PID:2636
                                    • C:\Windows\SysWOW64\updates.exe
                                      14⤵
                                      • Executes dropped EXE
                                      • Loads dropped DLL
                                      • Drops file in System32 directory
                                      PID:528
                                      • C:\Windows\SysWOW64\cmd.exe
                                        cmd /c c:\a.bat
                                        15⤵
                                          PID:2196
                                          • C:\Windows\SysWOW64\regedit.exe
                                            REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                                            16⤵
                                            • Modifies security service
                                            • Runs .reg file with regedit
                                            PID:2756
                                        • C:\Windows\SysWOW64\updates.exe
                                          C:\Windows\system32\updates.exe 1160 "C:\Windows\SysWOW64\updates.exe"
                                          15⤵
                                          • Executes dropped EXE
                                          • Loads dropped DLL
                                          • Drops file in System32 directory
                                          • Suspicious use of SetThreadContext
                                          • Suspicious use of SetWindowsHookEx
                                          PID:2572
                                          • C:\Windows\SysWOW64\updates.exe
                                            16⤵
                                            • Executes dropped EXE
                                            • Loads dropped DLL
                                            • Drops file in System32 directory
                                            PID:2340
                                            • C:\Windows\SysWOW64\cmd.exe
                                              cmd /c c:\a.bat
                                              17⤵
                                                PID:1968
                                                • C:\Windows\SysWOW64\regedit.exe
                                                  REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                                                  18⤵
                                                  • Modifies security service
                                                  • Runs .reg file with regedit
                                                  PID:1360
                                              • C:\Windows\SysWOW64\updates.exe
                                                C:\Windows\system32\updates.exe 1160 "C:\Windows\SysWOW64\updates.exe"
                                                17⤵
                                                • Executes dropped EXE
                                                • Loads dropped DLL
                                                • Drops file in System32 directory
                                                • Suspicious use of SetThreadContext
                                                • Suspicious use of SetWindowsHookEx
                                                PID:2080
                                                • C:\Windows\SysWOW64\updates.exe
                                                  18⤵
                                                  • Executes dropped EXE
                                                  • Loads dropped DLL
                                                  • Drops file in System32 directory
                                                  PID:2036
                                                  • C:\Windows\SysWOW64\cmd.exe
                                                    cmd /c c:\a.bat
                                                    19⤵
                                                      PID:3024
                                                      • C:\Windows\SysWOW64\regedit.exe
                                                        REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                                                        20⤵
                                                        • Modifies security service
                                                        • Runs .reg file with regedit
                                                        PID:2248
                                                    • C:\Windows\SysWOW64\updates.exe
                                                      C:\Windows\system32\updates.exe 1160 "C:\Windows\SysWOW64\updates.exe"
                                                      19⤵
                                                      • Executes dropped EXE
                                                      • Drops file in System32 directory
                                                      • Suspicious use of SetThreadContext
                                                      • Suspicious use of SetWindowsHookEx
                                                      PID:1680
                                                      • C:\Windows\SysWOW64\updates.exe
                                                        20⤵
                                                        • Executes dropped EXE
                                                        • Drops file in System32 directory
                                                        PID:2496
                                                        • C:\Windows\SysWOW64\cmd.exe
                                                          cmd /c c:\a.bat
                                                          21⤵
                                                            PID:1516
                                                            • C:\Windows\SysWOW64\regedit.exe
                                                              REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                                                              22⤵
                                                              • Modifies security service
                                                              • Runs .reg file with regedit
                                                              PID:2932
                                                          • C:\Windows\SysWOW64\updates.exe
                                                            C:\Windows\system32\updates.exe 1164 "C:\Windows\SysWOW64\updates.exe"
                                                            21⤵
                                                            • Executes dropped EXE
                                                            • Drops file in System32 directory
                                                            • Suspicious use of SetThreadContext
                                                            • Suspicious use of SetWindowsHookEx
                                                            PID:2852
                                                            • C:\Windows\SysWOW64\updates.exe
                                                              22⤵
                                                              • Executes dropped EXE
                                                              • Drops file in System32 directory
                                                              PID:2912
                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                cmd /c c:\a.bat
                                                                23⤵
                                                                  PID:2264
                                                                  • C:\Windows\SysWOW64\regedit.exe
                                                                    REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                                                                    24⤵
                                                                    • Modifies security service
                                                                    • Runs .reg file with regedit
                                                                    PID:1088
                    • C:\Windows\SysWOW64\regedit.exe
                      REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                      1⤵
                      • Modifies security service
                      • Runs .reg file with regedit
                      PID:1512

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          1.reg

                          • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                          • Size 384B
                          • SHA256 32eae568e5a03070b122719c66798a0574658b85dc61bcf3c48eae29f4d77851
                          • MD5 SHA1 SHA512

                          1.reg

                          • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                          • Size 3KB
                          • SHA256 f360fb5740172b6b4dd59c1ac30b480511665ae991196f833167e275d91f943e
                          • MD5 SHA1 SHA512

                          a.bat

                          • Path C:\a.bat
                          • Size 5KB
                          • SHA256 ce4674afd978d1401596d22a0961f90c8fb53c5bd55649684e1a999c8cf77876
                          • MD5 SHA1 SHA512 SSDEEP

                          updates.exe

                          • Path \Windows\SysWOW64\updates.exe
                          • Size 497KB
                          • SHA256 cfe125f36d37de26cd3d2003ca27710e67ea988c30bfa3a83b86a56cc1f35e6e
                          • MD5 SHA1 SHA512 SSDEEP

                          updates.exe

                          • Path \Windows\SysWOW64\updates.exe
                          • Size 128KB
                          • SHA256 5dd72a984abbbec9e99e611dbbf6e3d14a69540af46fc6d50def48d2e77ecf50
                          • MD5 SHA1 SHA512 SSDEEP

                          updates.exe

                          • Path \Windows\SysWOW64\updates.exe
                          • Size 473KB
                          • SHA256 ae9063ab1abd4c985fe2d73bcc99d1216e7e0cc2b36b8dfba5b78df39c30d8a7
                          • MD5 SHA1 SHA512 SSDEEP

                          updates.exe

                          • Path \Windows\SysWOW64\updates.exe
                          • Size 361KB
                          • SHA256 b6c93587b478c7156573026f162c4c5ef7ab4e0746d3114a456739579411950f
                          • MD5 SHA1 SHA512 SSDEEP

                          updates.exe

                          • Path \Windows\SysWOW64\updates.exe
                          • Size 163KB
                          • SHA256 a8934b420291bb545c6aa5bb762406a361b7ac28500a87c9cb0b4e14422d4703
                          • MD5 SHA1 SHA512 SSDEEP

                          memory/528-1046-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/528-913-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1760-130-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1760-2-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1760-8-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1760-14-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1760-7-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1760-12-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1760-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                          memory/1760-4-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1760-16-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1760-6-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1760-9-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1960-317-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1960-325-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/1960-344-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2036-1328-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2036-1186-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2244-585-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2340-1297-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2340-1047-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2344-619-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2344-749-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2496-1329-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2496-1462-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2792-157-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                          memory/2792-176-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2792-175-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2792-167-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2848-1022-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2848-776-0x0000000000400000-0x00000000004A3000-memory.dmp

                          memory/2912-1470-0x0000000000400000-0x00000000004A3000-memory.dmp