Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11/06/2024, 13:33

General

  • Target

    f9cf89a4ee8ac44cb01eec76789801103566fd745f4ae0a1fd0936d3bdbf3e39.exe

  • Size

    81KB

  • MD5

    a768b21b3e687cdd3d3849bea2308312

  • SHA1

    c72a66cc8bf608499f8a93ca2c9ab2e82a3d75de

  • SHA256

    f9cf89a4ee8ac44cb01eec76789801103566fd745f4ae0a1fd0936d3bdbf3e39

  • SHA512

    c2904fa97aef192783ba4cd0ca001ec564121120a1d29e50d658a9f66fc2c01a53c51df14d3703b00b623ed6e23306f30865e64e74ab13bec23661c5d070ab6a

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOi4t1:GhfxHNIreQm+HiJ4t1

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\f9cf89a4ee8ac44cb01eec76789801103566fd745f4ae0a1fd0936d3bdbf3e39.exe
    "C:\Users\Admin\AppData\Local\Temp\f9cf89a4ee8ac44cb01eec76789801103566fd745f4ae0a1fd0936d3bdbf3e39.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:2240
    • 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

          77KB

          MD5

          ee951622ddac01d99192b3d93d3f8a09

          SHA1

          01792dd9128e397514cbb7c53029e6c02294f22d

          SHA256

          c78267d510923bbba0405ba7e27bada7c20297b08bbf2d4741f5bac957d0dddd

          SHA512

          e02efeeee9d43432e94b234ee18c55656c7a5f37b53d5a591637793ac1964fe3f4a54d4bda35b4a3d88ff900f0c8d122298ba92b6b8bd13cf0f3a444267832eb

        • \Windows\system\rundll32.exe

          Filesize

          75KB

          MD5

          c83dac1ebf567cfc52cf43cf006a1426

          SHA1

          2b0f3e6f4bf24eef5f69e948c9b50f4124b39087

          SHA256

          9f40bf3e3d4fc8a1ed963c75a3cafce791ef2b554e195d8c64445781c7341d90

          SHA512

          f2d748eca99c49a120746d7078e794b2de75c77c62158d5c71ba05595eddacb898a6d4b1d8d77c2f788aae605ae06a51004f21e6d1fc866435115e5dec748d2d

        • memory/2240-0-0x0000000000400000-0x0000000000415A00-memory.dmp

          Filesize

          86KB

        • memory/2240-12-0x00000000002E0000-0x00000000002F6000-memory.dmp

          Filesize

          88KB

        • memory/2240-19-0x00000000002E0000-0x00000000002F6000-memory.dmp

          Filesize

          88KB

        • memory/2240-21-0x0000000000400000-0x0000000000415A00-memory.dmp

          Filesize

          86KB

        • memory/2240-22-0x00000000002E0000-0x00000000002E2000-memory.dmp

          Filesize

          8KB

        • memory/2472-20-0x0000000000400000-0x0000000000415A00-memory.dmp

          Filesize

          86KB