Windows 7 deprecation

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Analysis

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

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 19:42

General

  • Target

    131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe

  • Size

    82KB

  • MD5

    cb3e9ac089012bb811edc08abce1e35f

  • SHA1

    c2f414df59586e332fd17f6f7e54cdf4e03aad6b

  • SHA256

    131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c

  • SHA512

    d65a49bc6bd7a92df1628d061c86433b76344000cbd1e511a02e0570de19cb7f824d94be10ea82b6a1ef0666c1a983bf1180e98d9a5443e062e83e767b170c22

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO5a6M:GhfxHNIreQm+HiKa6M

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\131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe
    "C:\Users\Admin\AppData\Local\Temp\131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.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:3716
    • 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:4780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    78KB

    MD5

    02a2764f20a147a250d1cad01e35792f

    SHA1

    858482ab666e2d21d26e4445f940f845b2946e37

    SHA256

    8619916157f8d1b870e4acc22ab17772b156e69dc1a636adb72fd3d5536d8def

    SHA512

    2e27b17426d65c0d133f53faab4261e9a7abe815a46240c8c65e1e225e35d89a6a6820cbaf594e71a4afd3c3de2d471582f2621db15d49363bd8ba77b26dd5e9

  • C:\Windows\System\rundll32.exe

    Filesize

    81KB

    MD5

    cbda941fca575f4ee0eb1e45101574ba

    SHA1

    98cc068dfc49f5f6143458225d504c270272603b

    SHA256

    17bd8c990370a20b7da8b1ca4cbb174a666bd1b9aab4ab00f7752127080e0924

    SHA512

    e534c56171bc0b6aa47d6ca929d4a06850fc775b44b7796c903cfd2a9d0f6846c25de200cd639cd742a47e9d249f6b40358f03a2959b56e51c1bd4ebdcb18c0d

  • memory/3716-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/3716-13-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB