Analysis

  • max time kernel
    152s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 22:29

General

  • Target

    585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe

  • Size

    76KB

  • MD5

    35e6553966b2b9f659b315f2448d8ee3

  • SHA1

    89c5cc10ed81ed3d1e3a829e692f4907fc6c043c

  • SHA256

    585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424

  • SHA512

    33f73ae37e22ca29c17c4df1f96b7d20c354f87463098fffd3d8ca14253a7d38734d789590dd31db0a0d6ce10a55a25ed252ac585f7849d75178666940f532f6

  • SSDEEP

    768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOzw:RshfSWHHNvoLqNwDDGw02eQmh0HjWOs

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\585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe
    "C:\Users\Admin\AppData\Local\Temp\585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.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:4972
    • 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:3764
  • 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=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2644

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      84KB

      MD5

      78f6f9e77a094f0237ac78127a003454

      SHA1

      8693701f18d1f1f54d311dcdcafe8bde296aff91

      SHA256

      195ba8b81f432d2405b7be6b5d6c72327ac168753ac175bd454667470df83fc0

      SHA512

      4abda1002c1ec737c176c6d157c958422d5a29dddddce01c33c06fede3f8da137ebe45aacdd5ab4108c4d8976744ba3d748dfde4cfed14094d6007cc49b45ec2

    • C:\Windows\System\rundll32.exe

      Filesize

      80KB

      MD5

      1be407725097becd42d4061edd222303

      SHA1

      7d437c130c1a98ed4f528d90bfe48d2468ef15f7

      SHA256

      e42fcc29c445c5891158a0e3b391479ac91387b3e8e8373fb932d7936b7fd226

      SHA512

      b728c0139f01b91ffe6bf368efa2831d1c78327cf83a3b7ef2a6116d72b76abfd2ba9ad4bbb6a7f989edf07d9103c3da85a560dd852514faf2289b55e3dbe5cb

    • memory/4972-0-0x0000000000400000-0x0000000000415A00-memory.dmp

      Filesize

      86KB

    • memory/4972-13-0x0000000000400000-0x0000000000415A00-memory.dmp

      Filesize

      86KB