Analysis

  • max time kernel
    132s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2023, 20:31

General

  • Target

    NEAS.912f31f1e6843049a60deeed9b55d230.exe

  • Size

    88KB

  • MD5

    912f31f1e6843049a60deeed9b55d230

  • SHA1

    d3ffee4d986daad884b6d84d1192ca2e1605516b

  • SHA256

    229516ad939be1796bc12c825ac6ea47c213b0de78dd4b85d30cb6ea39728a4d

  • SHA512

    55f8a3d9a5e6edfb529440adc38b7dd739d98117fb2c718c9b6a800f16b9b645784a8533e02e762751dd0ce503fc9f762af4316a55dbdb200b3bf899fe4179c8

  • SSDEEP

    1536:8h7xsCKosi5pzjIcdRiTpqMGxs3Ph7xsCKosi5pzjIcdRiTpqMGxs3Go:8EhWbcpqIPEhWbcpqIT

Score
8/10

Malware Config

Signatures

  • Sets file execution options in registry 2 TTPs 6 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 12 IoCs
  • Modifies registry class 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.912f31f1e6843049a60deeed9b55d230.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.912f31f1e6843049a60deeed9b55d230.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe
      2⤵
        PID:2284
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\123.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1812
        • C:\Windows\SysWOW64\reg.exe
          reg add "hklm\software\microsoft\windows nt\currentversion\Image File Execution Options\ZhuDongFangYu.exe" /v debugger /t reg_sz /d "ntsd -d" /f
          3⤵
          • Sets file execution options in registry
          PID:2056
        • C:\Windows\SysWOW64\reg.exe
          reg add "hklm\software\microsoft\windows nt\currentversion\Image File Execution Options\360tray.exe" /v debugger /t reg_sz /d "ntsd -d" /f
          3⤵
          • Sets file execution options in registry
          PID:2984
        • C:\Windows\SysWOW64\reg.exe
          reg add "hklm\software\microsoft\windows nt\currentversion\Image File Execution Options\taskmgr.exe" /v debugger /t reg_sz /d "ntsd -d" /f
          3⤵
          • Sets file execution options in registry
          PID:2980
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c assoc .txt = exefile
        2⤵
        • Modifies registry class
        PID:2964
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype jpgfile=C:\Users\Admin\AppData\Local\Temp\NEAS.912f31f1e6843049a60deeed9b55d230.exe
        2⤵
        • Modifies registry class
        PID:1980
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype zipfile=C:\Users\Admin\AppData\Local\Temp\NEAS.912f31f1e6843049a60deeed9b55d230.exe
        2⤵
        • Modifies registry class
        PID:1556
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype comfile=C:\Users\Admin\AppData\Local\Temp\NEAS.912f31f1e6843049a60deeed9b55d230.exe
        2⤵
        • Modifies system executable filetype association
        • Modifies registry class
        PID:1388
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype txtfile=C:\Users\Admin\AppData\Local\Temp\NEAS.912f31f1e6843049a60deeed9b55d230.exe
        2⤵
        • Modifies registry class
        PID:2972

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\123.bat

            Filesize

            443B

            MD5

            70170ba16a737a438223b88279dc6c85

            SHA1

            cc066efa0fca9bc9f44013660dea6b28ddfd6a24

            SHA256

            d3674f4b34a8ca8167160519aa5c66b6024eb09f4cb0c9278bc44370b0efec6a

            SHA512

            37cc8c954544374d0a1ca4d012c9bd0b47781bc9bb8d0c15a8a95b9934893db3bedee867b984c20edabe54c39574abf7250de433aade6c0d544b8dd2c972c6da

          • C:\123.bat

            Filesize

            443B

            MD5

            70170ba16a737a438223b88279dc6c85

            SHA1

            cc066efa0fca9bc9f44013660dea6b28ddfd6a24

            SHA256

            d3674f4b34a8ca8167160519aa5c66b6024eb09f4cb0c9278bc44370b0efec6a

            SHA512

            37cc8c954544374d0a1ca4d012c9bd0b47781bc9bb8d0c15a8a95b9934893db3bedee867b984c20edabe54c39574abf7250de433aade6c0d544b8dd2c972c6da

          • C:\Program Files\7-Zip\7zG.exe

            Filesize

            89KB

            MD5

            ed0ddd4dd30c64ff8788e866035c34a5

            SHA1

            3b51499ee46f19b65a31aa2045c6fa4b00b0fe3c

            SHA256

            6be564c557ee055bcac120cd603ef8165bb4e6221b1d006da1d79e43c0bdd052

            SHA512

            401cbb9459235b1b74015fb79f9061b5d8c5344734a8e5f66dce3352ca35d5150d7f41fe0dc8a6baf60e4db6a7978c03711b24082efd491ff346d00c7251443b