Windows 7 deprecation

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Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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
  • 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\de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe
    "C:\Users\Admin\AppData\Local\Temp\de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.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:3248
    • 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:2668
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4120 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\notepad¢¬.exe

      Filesize

      82KB

      MD5

      f0409453655da58cc78ed3cdf054b501

      SHA1

      a015b1aa4f99569f1708cfd2ccb4ac8a2f2c8df3

      SHA256

      e0b2a6c3d8981a6df2bbd8ccd2b4b367828b052aa742d436d34320c62dd48635

      SHA512

      7a07d8cf7c37aa00aa685b5510dfc847ea5c9b72f4cfd72624097a26ebd6781e29ac50919761d2f77168aa853c693c56301436387e61fb3fd85a2cdfad221a57

    • C:\Windows\System\rundll32.exe

      Filesize

      82KB

      MD5

      d3bb2281dd1901326222abaf9e6a9fa3

      SHA1

      eb7e4c9230586793f94a5a06cba274b68c7cd971

      SHA256

      b0613db4bb5527b0a650c000a1197d4fcce62c48999520810d4903401fb56003

      SHA512

      69bc4123f86846d7a56eb051899887c318c1cb979310739784e222f00593e9a010cb9023040d6929f07da1696a0a1b2b407bb379838bbea8d6b9d8c78a5bb731

    • memory/3248-0-0x0000000000400000-0x0000000000415A00-memory.dmp

      Filesize

      86KB

    • memory/3248-13-0x0000000000400000-0x0000000000415A00-memory.dmp

      Filesize

      86KB