Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09/07/2024, 04:32

General

  • Target

    bf8af655ee4cb83a11232fc6053daab65cb49f4d68cb24196de2eb3bcee32a10.exe

  • Size

    95KB

  • MD5

    27fbd97392b14b3d4cf565d2a56d412e

  • SHA1

    ae3c4080559cb2201df7c3eddc9a0d559183d6a2

  • SHA256

    bf8af655ee4cb83a11232fc6053daab65cb49f4d68cb24196de2eb3bcee32a10

  • SHA512

    602fb7876486b0c1d78776a6870d3a5f1c0c27347266968d098de8a3ae3ace7da17ffb1d518a759a20442512f78f365bf0a4b55dbb291c402a6ca9f4896eda57

  • SSDEEP

    1536:EGqRGbQHSgOTw1BFxnsUdsdBhMgxRFy2kckEUEVvccRPAAXLSYPph/ATvYSByU62:lbjgjXxdWBhMwRFy2Rk/kcIAebPph/At

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf8af655ee4cb83a11232fc6053daab65cb49f4d68cb24196de2eb3bcee32a10.exe
    "C:\Users\Admin\AppData\Local\Temp\bf8af655ee4cb83a11232fc6053daab65cb49f4d68cb24196de2eb3bcee32a10.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\WINDOWS\VWFLH\rMX.exe
      C:\WINDOWS\VWFLH\rMX.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:2276
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c echo 0>>c:\windows\nk.txt
        3⤵
        • Drops file in Windows directory
        PID:2300
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\WINDOWS\VWFLH\rMX.exe.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1004
        • C:\WINDOWS\VWFLH\rMX.exe.exe
          C:\WINDOWS\VWFLH\rMX.exe.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2828
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c c:\45.vbs
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2932
            • C:\Windows\SysWOW64\WScript.exe
              "C:\Windows\System32\WScript.exe" "C:\45.vbs"
              6⤵
                PID:2672
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c c:\56.vbs
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:576
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\56.vbs"
          3⤵
          • Deletes itself
          PID:2960

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\45.vbs

      Filesize

      162B

      MD5

      23e8913b6b9d8ff32103b5bf8ec73432

      SHA1

      043363988b938324217cc7cabcd52df84c116266

      SHA256

      af6de3ff0ff1ab3e92da7879577a544e59bd8643a6abee2ce40e0f6f90cbba4b

      SHA512

      beddb36739fc28d2e2b69c497a6fc28ebfde6d6de7adc8a58eefc19adbbccb9a4561c62f7deab81cbf6df5a4ffd88c586b8b31a639d6508e208f31ddb35b5d18

    • C:\56.vbs

      Filesize

      236B

      MD5

      597c14e72b72249ef3522f09b9878b9d

      SHA1

      513bff0208b5c91d44fce801d3a74fb046b2ea2f

      SHA256

      9a29e755e9775db75161ed10e6ea602ce79dd07c1b32a61748819573880698c1

      SHA512

      e8838a16c31e410faba8e645f74e19f3c21b7e11c3bc4b57e07dc6b7ef706d24147c82a9679479db9ef202543501b53b416be5045c43b9d53c1b75ed77bb6b18

    • \Windows\VWFLH\rMX.exe

      Filesize

      95KB

      MD5

      27fbd97392b14b3d4cf565d2a56d412e

      SHA1

      ae3c4080559cb2201df7c3eddc9a0d559183d6a2

      SHA256

      bf8af655ee4cb83a11232fc6053daab65cb49f4d68cb24196de2eb3bcee32a10

      SHA512

      602fb7876486b0c1d78776a6870d3a5f1c0c27347266968d098de8a3ae3ace7da17ffb1d518a759a20442512f78f365bf0a4b55dbb291c402a6ca9f4896eda57

    • \Windows\VWFLH\rMX.exe.exe

      Filesize

      95KB

      MD5

      82f19dd9839df6f353147e7fe210c687

      SHA1

      c4fb2b00d672a0504a6daa9278bfc95dfc9243f6

      SHA256

      d472c14055d78c5e6445350db379b66b6ba88b3a7a19a1bcb56890bd33a0265d

      SHA512

      f94ccac6bb84cb504b655b1207ae04ca91bee433fe16e4b8b0df2f957fbc10d4e61b028682650c32161cc95b8cf4ce067cf03ceb338e610b47f0bf40f62e9ffd

    • memory/1672-15-0x000000007EEE0000-0x000000007EEFF000-memory.dmp

      Filesize

      124KB

    • memory/2276-14-0x000000007EEE0000-0x000000007EEFF000-memory.dmp

      Filesize

      124KB

    • memory/2828-34-0x000000007EEE0000-0x000000007EEFF000-memory.dmp

      Filesize

      124KB