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Analysis

  • max time kernel
    151s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    22/10/2023, 17:26

General

  • Target

    NEAS.b63ceee432db98368c63d184cc5b43e0.exe

  • Size

    436KB

  • MD5

    b63ceee432db98368c63d184cc5b43e0

  • SHA1

    d65f91820b8a1bcb184f74bd29b1064318bd1df5

  • SHA256

    37b74647f6268f2ac1c8fdf729da27871af55d0fac0874e3568f75a8d44e35bb

  • SHA512

    c534dcd220f67078c34c6ca0391c34d357669dfaa05578e26b4663edc97d9bab93125f3f2ed460cfe76c4be1eeea8faf3280b44d8e7d646e70f31b4232a8cbaf

  • SSDEEP

    6144:8vEN2U+T6i5LirrllHy4HUcMQY6Pj5q8deoJVP6Y0YB3YFy:OENN+T5xYrllrU7QY6U8zVP6Y53B

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 8 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.b63ceee432db98368c63d184cc5b43e0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.b63ceee432db98368c63d184cc5b43e0.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1396
    • \??\c:\windows\system\explorer.exe
      c:\windows\system\explorer.exe
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visiblity of hidden/system files in Explorer
      • Modifies Installed Components in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2728
      • \??\c:\windows\system\spoolsv.exe
        c:\windows\system\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2780
        • \??\c:\windows\system\svchost.exe
          c:\windows\system\svchost.exe
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visiblity of hidden/system files in Explorer
          • Modifies Installed Components in the registry
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2096
          • \??\c:\windows\system\spoolsv.exe
            c:\windows\system\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2788
          • C:\Windows\SysWOW64\at.exe
            at 22:44 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
            5⤵
              PID:2552
            • C:\Windows\SysWOW64\at.exe
              at 22:45 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
              5⤵
                PID:2896
              • C:\Windows\SysWOW64\at.exe
                at 22:46 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
                5⤵
                  PID:2024
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {E202FC12-D8DF-4A6D-A44F-675AF2BAA5A5} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
            PID:2832

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Roaming\mrsys.exe

            Filesize

            436KB

            MD5

            72bf1dc947e78ce78833e32c625819c7

            SHA1

            81e9b16abd00fda866eb753206562a935c98befa

            SHA256

            23cf8279331a71f6986d6d9bb64c0e491ca4cb0e7db6980b2ecabd05cad1dcb6

            SHA512

            e734bb883658cdb722eea0b15abe1ab07031979988402b691d3ace48d582856db1d914192df846bde857f996b4a3ea8ed56c8cc68843e64dcea524855d0c54d9

          • C:\Windows\system\explorer.exe

            Filesize

            436KB

            MD5

            16618dbfde03f16835752217c224c539

            SHA1

            ade73cbc510ca1a3af1fd4c8f691da258e7b2a35

            SHA256

            05bf15be0803913760c658f6b716ae9e0cc543cd604e2e1f2b9c0477424c8197

            SHA512

            d03c73a1a4d90d8ed0c9f3b76a3d2b9b7d9b16982b048c830926fee362d00ea3dc2a7771f0b817f8bfc82d98965f05d4864d265fb41aaf4aa94211141c131244

          • C:\Windows\system\explorer.exe

            Filesize

            436KB

            MD5

            16618dbfde03f16835752217c224c539

            SHA1

            ade73cbc510ca1a3af1fd4c8f691da258e7b2a35

            SHA256

            05bf15be0803913760c658f6b716ae9e0cc543cd604e2e1f2b9c0477424c8197

            SHA512

            d03c73a1a4d90d8ed0c9f3b76a3d2b9b7d9b16982b048c830926fee362d00ea3dc2a7771f0b817f8bfc82d98965f05d4864d265fb41aaf4aa94211141c131244

          • C:\Windows\system\spoolsv.exe

            Filesize

            436KB

            MD5

            cad4e6992bc0006cecaa0d44ecbb0012

            SHA1

            9954e4e2de5d081d24b940cc53ac3aa7b96854fb

            SHA256

            5444175a1c9dc5d622e57fddc182ff28bf28b743045316f252c9d0480b953b79

            SHA512

            014905882f1256ff53da5285474e37e5a0d39c612cfc237c91d8c9a88f78a1880fb92b079a4f03a139ae03f0ac85ea162b0f72bda54215add17095a5c96e04aa

          • C:\Windows\system\spoolsv.exe

            Filesize

            436KB

            MD5

            cad4e6992bc0006cecaa0d44ecbb0012

            SHA1

            9954e4e2de5d081d24b940cc53ac3aa7b96854fb

            SHA256

            5444175a1c9dc5d622e57fddc182ff28bf28b743045316f252c9d0480b953b79

            SHA512

            014905882f1256ff53da5285474e37e5a0d39c612cfc237c91d8c9a88f78a1880fb92b079a4f03a139ae03f0ac85ea162b0f72bda54215add17095a5c96e04aa

          • C:\Windows\system\svchost.exe

            Filesize

            436KB

            MD5

            fd2fc113e7f23484052c796f4cab0f32

            SHA1

            0b94d96179c081b65eb72d5231e9b176d4649b76

            SHA256

            d69da19dceb67c03c0c76847f133cceb23fa9c7ee2444bf42762dd2fc3b5d035

            SHA512

            7585e2609c54925653c0deb3959bf49723baaac3ab2e50fe9fc8abb4fde3d03679fe18ddb11a12352b08ecff05e9d921626f9ae13ed3562a7185c494f5653f33

          • \??\c:\windows\system\explorer.exe

            Filesize

            436KB

            MD5

            16618dbfde03f16835752217c224c539

            SHA1

            ade73cbc510ca1a3af1fd4c8f691da258e7b2a35

            SHA256

            05bf15be0803913760c658f6b716ae9e0cc543cd604e2e1f2b9c0477424c8197

            SHA512

            d03c73a1a4d90d8ed0c9f3b76a3d2b9b7d9b16982b048c830926fee362d00ea3dc2a7771f0b817f8bfc82d98965f05d4864d265fb41aaf4aa94211141c131244

          • \??\c:\windows\system\spoolsv.exe

            Filesize

            436KB

            MD5

            cad4e6992bc0006cecaa0d44ecbb0012

            SHA1

            9954e4e2de5d081d24b940cc53ac3aa7b96854fb

            SHA256

            5444175a1c9dc5d622e57fddc182ff28bf28b743045316f252c9d0480b953b79

            SHA512

            014905882f1256ff53da5285474e37e5a0d39c612cfc237c91d8c9a88f78a1880fb92b079a4f03a139ae03f0ac85ea162b0f72bda54215add17095a5c96e04aa

          • \??\c:\windows\system\svchost.exe

            Filesize

            436KB

            MD5

            fd2fc113e7f23484052c796f4cab0f32

            SHA1

            0b94d96179c081b65eb72d5231e9b176d4649b76

            SHA256

            d69da19dceb67c03c0c76847f133cceb23fa9c7ee2444bf42762dd2fc3b5d035

            SHA512

            7585e2609c54925653c0deb3959bf49723baaac3ab2e50fe9fc8abb4fde3d03679fe18ddb11a12352b08ecff05e9d921626f9ae13ed3562a7185c494f5653f33

          • \Windows\system\explorer.exe

            Filesize

            436KB

            MD5

            16618dbfde03f16835752217c224c539

            SHA1

            ade73cbc510ca1a3af1fd4c8f691da258e7b2a35

            SHA256

            05bf15be0803913760c658f6b716ae9e0cc543cd604e2e1f2b9c0477424c8197

            SHA512

            d03c73a1a4d90d8ed0c9f3b76a3d2b9b7d9b16982b048c830926fee362d00ea3dc2a7771f0b817f8bfc82d98965f05d4864d265fb41aaf4aa94211141c131244

          • \Windows\system\explorer.exe

            Filesize

            436KB

            MD5

            16618dbfde03f16835752217c224c539

            SHA1

            ade73cbc510ca1a3af1fd4c8f691da258e7b2a35

            SHA256

            05bf15be0803913760c658f6b716ae9e0cc543cd604e2e1f2b9c0477424c8197

            SHA512

            d03c73a1a4d90d8ed0c9f3b76a3d2b9b7d9b16982b048c830926fee362d00ea3dc2a7771f0b817f8bfc82d98965f05d4864d265fb41aaf4aa94211141c131244

          • \Windows\system\spoolsv.exe

            Filesize

            436KB

            MD5

            cad4e6992bc0006cecaa0d44ecbb0012

            SHA1

            9954e4e2de5d081d24b940cc53ac3aa7b96854fb

            SHA256

            5444175a1c9dc5d622e57fddc182ff28bf28b743045316f252c9d0480b953b79

            SHA512

            014905882f1256ff53da5285474e37e5a0d39c612cfc237c91d8c9a88f78a1880fb92b079a4f03a139ae03f0ac85ea162b0f72bda54215add17095a5c96e04aa

          • \Windows\system\spoolsv.exe

            Filesize

            436KB

            MD5

            cad4e6992bc0006cecaa0d44ecbb0012

            SHA1

            9954e4e2de5d081d24b940cc53ac3aa7b96854fb

            SHA256

            5444175a1c9dc5d622e57fddc182ff28bf28b743045316f252c9d0480b953b79

            SHA512

            014905882f1256ff53da5285474e37e5a0d39c612cfc237c91d8c9a88f78a1880fb92b079a4f03a139ae03f0ac85ea162b0f72bda54215add17095a5c96e04aa

          • \Windows\system\spoolsv.exe

            Filesize

            436KB

            MD5

            cad4e6992bc0006cecaa0d44ecbb0012

            SHA1

            9954e4e2de5d081d24b940cc53ac3aa7b96854fb

            SHA256

            5444175a1c9dc5d622e57fddc182ff28bf28b743045316f252c9d0480b953b79

            SHA512

            014905882f1256ff53da5285474e37e5a0d39c612cfc237c91d8c9a88f78a1880fb92b079a4f03a139ae03f0ac85ea162b0f72bda54215add17095a5c96e04aa

          • \Windows\system\spoolsv.exe

            Filesize

            436KB

            MD5

            cad4e6992bc0006cecaa0d44ecbb0012

            SHA1

            9954e4e2de5d081d24b940cc53ac3aa7b96854fb

            SHA256

            5444175a1c9dc5d622e57fddc182ff28bf28b743045316f252c9d0480b953b79

            SHA512

            014905882f1256ff53da5285474e37e5a0d39c612cfc237c91d8c9a88f78a1880fb92b079a4f03a139ae03f0ac85ea162b0f72bda54215add17095a5c96e04aa

          • \Windows\system\svchost.exe

            Filesize

            436KB

            MD5

            fd2fc113e7f23484052c796f4cab0f32

            SHA1

            0b94d96179c081b65eb72d5231e9b176d4649b76

            SHA256

            d69da19dceb67c03c0c76847f133cceb23fa9c7ee2444bf42762dd2fc3b5d035

            SHA512

            7585e2609c54925653c0deb3959bf49723baaac3ab2e50fe9fc8abb4fde3d03679fe18ddb11a12352b08ecff05e9d921626f9ae13ed3562a7185c494f5653f33

          • \Windows\system\svchost.exe

            Filesize

            436KB

            MD5

            fd2fc113e7f23484052c796f4cab0f32

            SHA1

            0b94d96179c081b65eb72d5231e9b176d4649b76

            SHA256

            d69da19dceb67c03c0c76847f133cceb23fa9c7ee2444bf42762dd2fc3b5d035

            SHA512

            7585e2609c54925653c0deb3959bf49723baaac3ab2e50fe9fc8abb4fde3d03679fe18ddb11a12352b08ecff05e9d921626f9ae13ed3562a7185c494f5653f33