Analysis

  • max time kernel
    87s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 19:36

General

  • Target

    MirServer/Readme-说明.htm

  • Size

    2KB

  • MD5

    70f8e0a8f3cc2fb89704dc6ab1be4481

  • SHA1

    8e29ae18eb8876b6cdfcd43d90fb8b703bd44608

  • SHA256

    22f1a011a15cc161aa95e928b1821ff55de4a588b527c42e780a376a8c9bc224

  • SHA512

    dd393fe80aaa014fea51e9cd15b18c95484b1646aa109d84a0a886cc8ee9ae5de74463a5c6236e02cb2888264a0bba7a05a5583266c266fa9bd232346186f8b6

Score
10/10

Malware Config

Signatures

  • Detected phishing page
  • Modifies Internet Explorer settings 1 TTPs 51 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\MirServer\Readme-说明.htm
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4932 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2008

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

    a42abb21be3940a88a73771b18ed0f35

    SHA1

    de12f2f619852ef135ee726614c43c2033ec5743

    SHA256

    edaf1fb1f6ca2a0caf5f4d85b3f13507bd5df4971fa9ea8a6e08c1227f1ec667

    SHA512

    c1f775deb2bcb2e0c48ed74dec1cd95f34690ca16d6465175d52d60ae45e746201cc608a58b6f8f080b7e6a7893993b61093c7d9ff63fa735ebaba61ddd0ebf7

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

    434B

    MD5

    ab9ede8481a1e22ef7f461a25c4f82cc

    SHA1

    3d54603bb6b169665ae25d83d9de7a9b5c939c77

    SHA256

    ff0dcdd5cfb87c2f759aaf953e3cf298b736f43bf362e2142037c391e7b0434a

    SHA512

    bb2363a8f054ee096dde3f715590c9db14d9bb7f443194b91a4044371dc1e19660074250899c2694ccd6aaa96a86d18e39a9036fbe86275e81bab459d1777aab