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Analysis

  • max time kernel
    149s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 22:29

General

  • Target

    34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe

  • Size

    74KB

  • MD5

    b88e25ea1f5d0ac2427bda18d8a320e5

  • SHA1

    dbcc0ac9be8aceb50b9d9dc6059c247886759904

  • SHA256

    34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1

  • SHA512

    2f12c777c5117c8c627bd13c7963392deccefee7283b73f1bb8860e4ed002a379386c67fd69d2f748f34a9a59f46bfc26a7ef0b124bc1a874abcef6878774673

  • SSDEEP

    768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOY:RshfSWHHNvoLqNwDDGw02eQmh0HjWOY

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 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 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe
    "C:\Users\Admin\AppData\Local\Temp\34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe"
    1⤵
    • 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:1904
    • 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:2044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    74KB

    MD5

    097428fbeb1f8c2fdfe1659232008591

    SHA1

    b59653bab7be09afee31d09defd3dbfc3d6e7c8b

    SHA256

    204e86ac567410e6f022f8b7ba518a0006b5079c8cb079e69319c423fd6bf5db

    SHA512

    51cdbb6afc43bbc6ec1e750624ff7881c0dc3ec06631c24f389ca499acbc473363ffb9c6e861b4aa298eb78c274e6a816ca133e256241f25bc1c50e5b41ac975

  • C:\Windows\System\rundll32.exe

    Filesize

    77KB

    MD5

    40c1e918d594152e413a9147d84123e8

    SHA1

    0b56f15afd8ce2c9a1642849311fc61217b4a155

    SHA256

    cbce75f6280a21ebda38dc6426ff5d76fd7fa17ea1ebd288f21d16d5cad2e42d

    SHA512

    02107950b2b52773f03996d2f07254474897760d4c756b3f841bc2a63a010c6f747bd8cb4cbcc5d40a4962ab7ecc55a2abc5bc7cf7e4f757fe82eb2efe69ab93

  • memory/1904-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/1904-13-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB