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Analysis

  • max time kernel
    173s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 08:02

General

  • Target

    0afd433b4b54b1164813c3127564cb7a4b93db9eae8b86710b0e0c5ec7677053.dll

  • Size

    292KB

  • MD5

    878a4181b94040e843c3e1aae0f91950

  • SHA1

    109b096f669bd0f941a75a8ddb75ac7309d7fd25

  • SHA256

    0afd433b4b54b1164813c3127564cb7a4b93db9eae8b86710b0e0c5ec7677053

  • SHA512

    9f3b6b7078bd25911e567dd92970cb3e53539d0f5c72ceea2829ac7206de9068de9431a637a334d8de253adf7e60e2ee1575fce51c94f24ca783f34705f123f1

  • SSDEEP

    6144:Dl9XgnzxOP/sFR2h+9q1kih6ibUxrp3/vIyRBvj0WwpF9F:DlCzcMg+9YkDiQ3/QWr9wpF9

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 18 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0afd433b4b54b1164813c3127564cb7a4b93db9eae8b86710b0e0c5ec7677053.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0afd433b4b54b1164813c3127564cb7a4b93db9eae8b86710b0e0c5ec7677053.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Windows\SysWOW64\rundll32Srv.exe
        C:\Windows\SysWOW64\rundll32Srv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:1556
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4268
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4520
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4520 CREDAT:17410 /prefetch:2
              6⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2280
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 612
        3⤵
        • Program crash
        PID:5112
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 832 -ip 832
    1⤵
      PID:3596

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Microsoft\DesktopLayer.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • C:\Program Files (x86)\Microsoft\DesktopLayer.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • C:\Windows\SysWOW64\rundll32Srv.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • C:\Windows\SysWOW64\rundll32Srv.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • memory/832-141-0x0000000074D20000-0x0000000074D69000-memory.dmp

      Filesize

      292KB

    • memory/1556-139-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/4268-140-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB