Analysis

  • max time kernel
    135s
  • 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
    13/06/2023, 07:05

General

  • Target

    http://114.55.3.236/steam/steamcmd.exe

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 39 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://114.55.3.236/steam/steamcmd.exe
    1⤵
    • Modifies Internet Explorer Phishing Filter
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1948 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:4288

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

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

          Filesize

          471B

          MD5

          f00c651bd023e439cef538cb61938602

          SHA1

          7e49f7ce3c00bde7692a5fd85497e1f60b1f616e

          SHA256

          ac671834dcc3d8ef96272da936597334cccd7c1106beeac5919e6cb308f9bb66

          SHA512

          91ddece9b7c3fe2ab0d9b4891fbe522f344b58fedf99b5eee0f06e573770dfb96d69c0727102b94a22d34a671fa28cd51d90e4fd35b28443b260195a9ce53de6

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

          Filesize

          404B

          MD5

          c606a3596198c2e2326f1574bcc8bfce

          SHA1

          5a0a20724b1f7c7b08e9ae76f3d25a9401cac591

          SHA256

          152cad99d8b35edcad1feffacf0dead42ee618282d07c9b0fb74d740940d53ad

          SHA512

          852557342e22040fa7a10ebf0221deaf627bee17add68427bf5fe464c7d50bc67b3dbdccb2f4856687ae9a2e951216dfd11065b3bf0d206d0bc3b31669dc40c9

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K941J8ND\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee