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Analysis

  • max time kernel
    79s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2023, 10:04

General

  • Target

    http://uab.zoom.us/j/2750522689

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 43 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" http://uab.zoom.us/j/2750522689
    1⤵
    • Modifies Internet Explorer Phishing Filter
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3776
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3776 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2488

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    471B

    MD5

    27eeb470ea47791b773b0c543d47d7c0

    SHA1

    cf692b6241651b506a7639c0c02f4ab582b728bb

    SHA256

    887291e1eaf9e037071221908bc110ee40235c5d9c6dd4001699cdbfd55c9cd4

    SHA512

    23f1b1f25ca82aa1b9a235921ba87b86f61e58a1d19b031547144a6035144b14c0ca1f7a9391c00eca50c0be4f35a161d0b4402cdff37f1c9350a368ce3f1321

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

    Filesize

    404B

    MD5

    2783fcfca82a9e2398b59fea9f6e1e72

    SHA1

    adef124858244fe04b0feb154ba1b437c4e82faa

    SHA256

    9057cc60a313210221e05e13002a36ca3ad4f403db0de060a559a961b2993687

    SHA512

    5ad05b5cb2d296cfce5a76d09dd46d58ff51fcc4c8c8578bf0ad5036068131455cf5065bd781db4416987fdf95fa3f991722bf2d1e521887503dc59d9b26920e

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\DOMStore\YC1BP4T9\uab.zoom[1].xml

    Filesize

    212B

    MD5

    9cacfdb5785b63d5c03dfc29c06ca17f

    SHA1

    87a1954219d76a670f79b54706c189cfc225ed57

    SHA256

    7ac9d8954772fed71843d7f16a072da6ec3319da688d6847ced846e9b23d6cbf

    SHA512

    a89d963d4916a0c5e1c2210642cd9a83cc430835c1d81ba2c473fa22ad70b6c7a6c96d30cc9b7f1a29a597d92feb367309407fc9b91cb1d33668e9b3085c08bd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\EY3KXMB3\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee