Analysis

  • max time kernel
    129s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 10:10

General

  • Target

    3233ddeb354b7513eb814477bef54fca.exe

  • Size

    912KB

  • MD5

    3233ddeb354b7513eb814477bef54fca

  • SHA1

    f7234caf62f99b42fca21b6011fbffa0475e52f8

  • SHA256

    a70a36bd91ec5789913fee8983da5e5edfbf1b5854609fa9fb0d80a30fab3fde

  • SHA512

    bccb1cc202fa8940c9b90becd435753c806a97199173e14bc538fa442dd505bfe5d364dd69418a69da6fae73e4b02342e74049864e251e6cd24d87edce446200

  • SSDEEP

    24576:SVJuEskQC0HAqIYG3GNjAFjppJ8XLQlB5AjkKJC/ClNk5fpdbs:KFQCV4G3pFrJ8XEtAjkQaIwLo

Malware Config

Signatures

  • Sets DLL path for service in the registry 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • VMProtect packed file 5 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 3 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3233ddeb354b7513eb814477bef54fca.exe
    "C:\Users\Admin\AppData\Local\Temp\3233ddeb354b7513eb814477bef54fca.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:1568
    • F:\msdownld.tmp\IXP000.TMP\yong.exe
      F:\msdownld.tmp\IXP000.TMP\yong.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2696
    • F:\msdownld.tmp\IXP000.TMP\aasd.exe
      F:\msdownld.tmp\IXP000.TMP\aasd.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      PID:1608
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k marchi
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    PID:2764

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1568-18-0x0000000000130000-0x000000000013E000-memory.dmp

          Filesize

          56KB

        • memory/1568-17-0x0000000000130000-0x000000000013E000-memory.dmp

          Filesize

          56KB

        • memory/1608-24-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1608-33-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1608-29-0x0000000010000000-0x00000000100B6000-memory.dmp

          Filesize

          728KB

        • memory/1608-22-0x0000000000260000-0x0000000000262000-memory.dmp

          Filesize

          8KB

        • memory/1608-21-0x0000000000030000-0x000000000003E000-memory.dmp

          Filesize

          56KB

        • memory/1608-20-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1608-28-0x0000000010000000-0x00000000100B6000-memory.dmp

          Filesize

          728KB

        • memory/2764-34-0x0000000010000000-0x00000000100B6000-memory.dmp

          Filesize

          728KB

        • memory/2764-35-0x0000000010000000-0x00000000100B6000-memory.dmp

          Filesize

          728KB

        • memory/2764-43-0x0000000010000000-0x00000000100B6000-memory.dmp

          Filesize

          728KB