Analysis

  • max time kernel
    139s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22/01/2024, 00:00

General

  • Target
    6e2ee4f2fb68cc5169594dc840eaa398.exe
  • Size 387KB
  • Sample240122-aarvbscfh6
  • SHA256 121a71d2d2e648797d46e361bc5c6d9a791f768ae9296d7152f055373f318742
  • 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 20 IoCs
  • Executes dropped EXE 13 IoCs
  • Loads dropped DLL 26 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in System32 directory 22 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs .reg file with regedit 10 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e2ee4f2fb68cc5169594dc840eaa398.exe
    "C:\Users\Admin\AppData\Local\Temp\6e2ee4f2fb68cc5169594dc840eaa398.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\Decrypted.exe
      "C:\Users\Admin\AppData\Local\Temp\Decrypted.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2260
      • C:\Users\Admin\AppData\Local\Temp\tmpfile678.exe
        C:\Users\Admin\AppData\Local\Temp\tmpfile678.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:2660
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c c:\a.bat
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2696
          • C:\Windows\SysWOW64\regedit.exe
            REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
            5⤵
            • Modifies security service
            • Runs .reg file with regedit
            PID:3016
        • C:\Windows\SysWOW64\logs.exe
          C:\Windows\system32\logs.exe 492 "C:\Users\Admin\AppData\Local\Temp\tmpfile678.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:2508
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c c:\a.bat
            5⤵
              PID:2028
            • C:\Windows\SysWOW64\logs.exe
              C:\Windows\system32\logs.exe 536 "C:\Windows\SysWOW64\logs.exe"
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Drops file in System32 directory
              • Suspicious use of WriteProcessMemory
              PID:2116
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c c:\a.bat
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:2500
                • C:\Windows\SysWOW64\regedit.exe
                  REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                  7⤵
                  • Modifies security service
                  • Runs .reg file with regedit
                  PID:2388
              • C:\Windows\SysWOW64\logs.exe
                C:\Windows\system32\logs.exe 540 "C:\Windows\SysWOW64\logs.exe"
                6⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Drops file in System32 directory
                • Suspicious use of WriteProcessMemory
                PID:3000
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c c:\a.bat
                  7⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1612
                  • 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:576
                • C:\Windows\SysWOW64\logs.exe
                  C:\Windows\system32\logs.exe 548 "C:\Windows\SysWOW64\logs.exe"
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Drops file in System32 directory
                  • Suspicious use of WriteProcessMemory
                  PID:2716
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c c:\a.bat
                    8⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2896
                    • C:\Windows\SysWOW64\regedit.exe
                      REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                      9⤵
                      • Modifies security service
                      • Runs .reg file with regedit
                      PID:2980
                  • C:\Windows\SysWOW64\logs.exe
                    C:\Windows\system32\logs.exe 544 "C:\Windows\SysWOW64\logs.exe"
                    8⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Drops file in System32 directory
                    PID:516
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd /c c:\a.bat
                      9⤵
                        PID:824
                        • C:\Windows\SysWOW64\regedit.exe
                          REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                          10⤵
                          • Modifies security service
                          • Runs .reg file with regedit
                          PID:2780
                      • C:\Windows\SysWOW64\logs.exe
                        C:\Windows\system32\logs.exe 552 "C:\Windows\SysWOW64\logs.exe"
                        9⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Drops file in System32 directory
                        PID:2784
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c c:\a.bat
                          10⤵
                            PID:2580
                            • C:\Windows\SysWOW64\regedit.exe
                              REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                              11⤵
                              • Modifies security service
                              • Runs .reg file with regedit
                              PID:1824
                          • C:\Windows\SysWOW64\logs.exe
                            C:\Windows\system32\logs.exe 556 "C:\Windows\SysWOW64\logs.exe"
                            10⤵
                            • Executes dropped EXE
                            • Loads dropped DLL
                            • Drops file in System32 directory
                            PID:1868
                            • C:\Windows\SysWOW64\cmd.exe
                              cmd /c c:\a.bat
                              11⤵
                                PID:2884
                                • 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:2272
                              • C:\Windows\SysWOW64\logs.exe
                                C:\Windows\system32\logs.exe 560 "C:\Windows\SysWOW64\logs.exe"
                                11⤵
                                • Executes dropped EXE
                                • Loads dropped DLL
                                • Drops file in System32 directory
                                PID:2836
                                • C:\Windows\SysWOW64\cmd.exe
                                  cmd /c c:\a.bat
                                  12⤵
                                    PID:892
                                    • C:\Windows\SysWOW64\regedit.exe
                                      REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                                      13⤵
                                      • Modifies security service
                                      • Runs .reg file with regedit
                                      PID:2564
                                  • C:\Windows\SysWOW64\logs.exe
                                    C:\Windows\system32\logs.exe 564 "C:\Windows\SysWOW64\logs.exe"
                                    12⤵
                                    • Executes dropped EXE
                                    • Loads dropped DLL
                                    • Drops file in System32 directory
                                    PID:652
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c c:\a.bat
                                      13⤵
                                        PID:2036
                                        • 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:2384
                                      • C:\Windows\SysWOW64\logs.exe
                                        C:\Windows\system32\logs.exe 568 "C:\Windows\SysWOW64\logs.exe"
                                        13⤵
                                        • Executes dropped EXE
                                        • Drops file in System32 directory
                                        PID:2216
                                        • C:\Windows\SysWOW64\cmd.exe
                                          cmd /c c:\a.bat
                                          14⤵
                                            PID:1300
                                            • C:\Windows\SysWOW64\regedit.exe
                                              REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
                                              15⤵
                                              • Modifies security service
                                              • Runs .reg file with regedit
                                              PID:1740
                    • C:\Users\Admin\AppData\Local\Temp\tmpfile679.exe
                      C:\Users\Admin\AppData\Local\Temp\tmpfile679.exe
                      3⤵
                      • Executes dropped EXE
                      • Suspicious use of SetWindowsHookEx
                      PID:1820

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      1.reg

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

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 449B
                      • SHA256 b41f477ecd348b1c3e12ef410d67b712627ed0696769c2c8cc2f087d02121d06
                      • MD5 SHA1 SHA512

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 3KB
                      • SHA256 65c7c12f00303ec69556e7e108d2fb3881b761b5e68d12e8ae94d80ab1fd7d8b
                      • MD5 SHA1 SHA512

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 3KB
                      • SHA256 d6f58d2fbf733d278281af0b9e7732a591cdd752e18a430f76cb7afa806c75f8
                      • MD5 SHA1 SHA512

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 360B
                      • SHA256 73ed949fba75a20288ac2d1e367180d4c8837fd31c66143707768d5b0e3bd8b6
                      • MD5 SHA1 SHA512

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 683B
                      • SHA256 0686dfa785bc9687be1a2bb42ef6c2e805a03f62b4af6c83bac7031e515189be
                      • MD5 SHA1 SHA512

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 476B
                      • SHA256 8961a4310b2413753851ba8afe2feb4c522c20e856c6a98537d8ab440f48853a
                      • MD5 SHA1 SHA512

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 701B
                      • SHA256 b5cfd1100679c495202229aede417b8a385405cb9d467d2d89b936fc99245839
                      • MD5 SHA1 SHA512

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 1KB
                      • SHA256 e615959931f345e611ac44be7534d697c1495c641d13e50ae919a7807c8ff008
                      • MD5 SHA1 SHA512

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 1KB
                      • SHA256 1fc967a5c8f7859ba0c410978d165085f241195fe4a31d61a127e38c30d435e4
                      • MD5 SHA1 SHA512

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 1KB
                      • SHA256 0696a5c075674c13128a61fd02c3be39c68860dc24f3669415817d03c75415c6
                      • MD5 SHA1 SHA512

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 2KB
                      • SHA256 5d88aebc1d13a61609ef057cb38dc9d7b0a04a47a7670a7591f40d1ea05b6ad9
                      • MD5 SHA1 SHA512

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 851B
                      • SHA256 c0915178e63bf84c54e9c942b5cc80327c24d84125042767d7e1e2ef3e004588
                      • MD5 SHA1 SHA512

                      1.reg

                      • Path C:\Users\Admin\AppData\Local\Temp\1.reg
                      • Size 2KB
                      • SHA256 901619f668fe541b53d809cd550460f579985c3d2f3d899a557997e778eb1d82
                      • MD5 SHA1 SHA512

                      a.bat

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

                      Decrypted.exe

                      • Path \Users\Admin\AppData\Local\Temp\Decrypted.exe
                      • Size 367KB
                      • SHA256 75c1c8a97b399166ad4c8a30d62907730a271400e9e0b5e626f9f5efb049fed7
                      • MD5 SHA1 SHA512 SSDEEP

                      tmpfile678.exe

                      • Path \Users\Admin\AppData\Local\Temp\tmpfile678.exe
                      • Size 310KB
                      • SHA256 0cdd4095dd78bfbf009d553190e5b46274cd63d4b7d333106c810134d90abcea
                      • MD5 SHA1 SHA512 SSDEEP

                      tmpfile679.exe

                      • Path \Users\Admin\AppData\Local\Temp\tmpfile679.exe
                      • Size 47KB
                      • SHA256 8dc78feef0cb0f76d179ddb6ab0eb9ed8f9267df4c0d6d0ea74dc27fc2ccf821
                      • MD5 SHA1 SHA512 SSDEEP

                      logs.exe

                      • Path \Windows\SysWOW64\logs.exe
                      • Size 256KB
                      • SHA256 aef724f31840ba9539a4cb9235dcb2b7bd477cf923fe4f3bbfa6ae5dfd290a37
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/1820-177-0x0000000000400000-0x0000000000405000-memory.dmp

                      memory/1820-173-0x0000000000400000-0x0000000000405000-memory.dmp

                      memory/2260-169-0x0000000000320000-0x0000000000325000-memory.dmp

                      memory/2260-176-0x0000000000400000-0x0000000000409000-memory.dmp

                      memory/2260-14-0x0000000000400000-0x0000000000409000-memory.dmp

                      memory/2260-171-0x0000000000320000-0x0000000000325000-memory.dmp

                      memory/2432-0-0x0000000000400000-0x0000000000405000-memory.dmp

                      memory/2432-6-0x00000000003F0000-0x00000000003F9000-memory.dmp

                      memory/2432-12-0x00000000003F0000-0x00000000003F9000-memory.dmp

                      memory/2432-15-0x0000000000400000-0x0000000000405000-memory.dmp