Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    08/06/2024, 22:49

General

  • Target

    48a7ce49816ea4379cd16566ba91adb1b06b29451352e4cac482e7f9c3862957.exe

  • Size

    161KB

  • MD5

    ceebb625f0d2b0ed1740420b79576343

  • SHA1

    e0d17fc1740d4d189b6b3459265c38927b644480

  • SHA256

    48a7ce49816ea4379cd16566ba91adb1b06b29451352e4cac482e7f9c3862957

  • SHA512

    ca03d68cde613fe47b2de33755ea77c0757bf5b579e60248cbdc0c7efdc55adeceee113c56694f5e574ca6ee56ecb02859fba68fb7c0602b6133421e0b2dff76

  • SSDEEP

    3072:FTpyreK3lx5aabxIwtnAZaM2aH+6+/eyWok9D/lf4K:FTpyreKjoox9ALHMzulgK

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\48a7ce49816ea4379cd16566ba91adb1b06b29451352e4cac482e7f9c3862957.exe
    "C:\Users\Admin\AppData\Local\Temp\48a7ce49816ea4379cd16566ba91adb1b06b29451352e4cac482e7f9c3862957.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:2444
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe
      2⤵
        PID:2420
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\123.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3104
        • 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:3240
        • 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:3256
        • 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:3280
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c assoc .txt = exefile
        2⤵
        • Modifies registry class
        PID:3112
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype comfile=C:\Users\Admin\AppData\Local\Temp\48a7ce49816ea4379cd16566ba91adb1b06b29451352e4cac482e7f9c3862957.exe
        2⤵
        • Modifies system executable filetype association
        • Modifies registry class
        PID:3128
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype zipfile=C:\Users\Admin\AppData\Local\Temp\48a7ce49816ea4379cd16566ba91adb1b06b29451352e4cac482e7f9c3862957.exe
        2⤵
        • Modifies registry class
        PID:3144
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype jpgfile=C:\Users\Admin\AppData\Local\Temp\48a7ce49816ea4379cd16566ba91adb1b06b29451352e4cac482e7f9c3862957.exe
        2⤵
        • Modifies registry class
        PID:3160
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype txtfile=C:\Users\Admin\AppData\Local\Temp\48a7ce49816ea4379cd16566ba91adb1b06b29451352e4cac482e7f9c3862957.exe
        2⤵
        • Modifies registry class
        PID:3192

    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:\Program Files\7-Zip\7zFM.exe

            Filesize

            161KB

            MD5

            6b7a220d4874e4c8dd67d75dce6869d1

            SHA1

            4851388edd58215dfb9081bd6e324de57d8de663

            SHA256

            b1e8361a1dd7835ed01f4afb467add736021467540d659f5dd6332f432b76307

            SHA512

            6239b8f817dd54ed315f6f99e83dc0996efcaa86fe84b49b520f02ed21f21cb496592f41cdca01a49e440f734d0294bb7bfa2f9f325f360cac7e31a7e30437b2

          • memory/2444-0-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/2444-1076-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB