Windows 7 deprecation

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Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    03/06/2024, 22:31

General

  • Target

    de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe

  • Size

    82KB

  • MD5

    617359d0e1fc3c3e85f0d6a5b453e2b2

  • SHA1

    f1ef14a20149531d9759112c6a6a792f49f0712e

  • SHA256

    de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12

  • SHA512

    366108b3102a7024f4963d9089d3e60533853fed50a872d10218d8562b6d897c03a6040bb88b18e3e08e1cf2624902d126ad3b3adde22258ea83dff13899c74e

  • SSDEEP

    768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWORs:RshfSWHHNvoLqNwDDGw02eQmh0HjWOR

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe
    "C:\Users\Admin\AppData\Local\Temp\de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    83KB

    MD5

    79c6b2c35c0b56a149ab5c94b4369a18

    SHA1

    2f190a2849780b321456a121ca0e1ee33d92cde0

    SHA256

    6182cffb416bdd2e75b86fef4d6d2b1d7ce42d857576568896fd7cf760024088

    SHA512

    0ff9c80665363c0e78a4624849561693e1d7bf613e082fc0bc506e51df19a7f28cc46220e6f4dacafb86f20d1e687fc33a77faf7a695fe0bd55a1cfb57f04395

  • \Windows\system\rundll32.exe

    Filesize

    82KB

    MD5

    c8988f4b64a58c2473fcc576b96be02f

    SHA1

    5ba505457567634d72fafac78a1150aaa0c80d79

    SHA256

    ad1df3d9b5c6ec56fc2c3131ac9ad2a99f4d6bc8b170a0c5fa13b3f407871dbd

    SHA512

    36e8edf017a1f5cdc282020cb8d5f746baf49ac83304218457b217a626426b0a6b6059a85fdd18bff29fed8c0bcd977d1b131f8fa6d4727f4e930042bb6d0934

  • memory/1368-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/1368-12-0x00000000002F0000-0x0000000000306000-memory.dmp

    Filesize

    88KB

  • memory/1368-18-0x00000000002F0000-0x0000000000306000-memory.dmp

    Filesize

    88KB

  • memory/1368-20-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/1368-21-0x00000000002F0000-0x00000000002F2000-memory.dmp

    Filesize

    8KB