Analysis

  • max time kernel
    76s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2023 02:20

General

  • Target

    instrucao.html

  • Size

    2KB

  • MD5

    7097277cd9b370e618bfd301ab6b7c22

  • SHA1

    6cd0013d1d2663c1aac4c2eb2402c151487b8933

  • SHA256

    5fb6600710350f5783e18b5f843defad7e132d4f82e88b7ab5d8be7a8d1ae7dc

  • SHA512

    e071b068af02624926a66f7071434c05fe7857e3a9235084f912cb71c9f33acbbdca154a52b9a348f6c9f03ff6b0d42808be2d5fe2691b86c7f5d11bc3248741

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\instrucao.html
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1008 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1472

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
    Filesize

    471B

    MD5

    6a696bab5dbda1f9e3dead87bbdfda15

    SHA1

    efa2517cc9c306a85acce2f45a1b1a4763bc0ad9

    SHA256

    27afd05f059c8af3bf76e14ec650eee55d2d4ef298669efd65ca1acaeb66ac2c

    SHA512

    7bed5bb59abb768ebbf6d597e8b3b14be75cb23b08bd64945bfc80fcb0b9ce155d961c8b67512943ad30895be6201e669c1c0f8481373f2a95a744170e3a9050

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
    Filesize

    404B

    MD5

    4fc847666986ff0ba8dc94221afced41

    SHA1

    779db3c041199b397e90fbffd625a04cdeb54472

    SHA256

    637e6960ac5d6d7c0371d8d3a9d6f34794075f03c1f0b83695e521896b5e8198

    SHA512

    3c3e986230970cdffd16e830ead45be7c1811dd572b71eacebb95c87f1ebb73158fd8ca7e8e8ba7cfbec3a576f9dfe2a19de431c541df9d7313b91d7febcdcb2

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TUIJN6ZA\suggestions[1].en-US
    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee