Analysis

  • max time kernel
    137s
  • max time network
    160s
  • 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 23:56

General

  • Target

    MirServer/Readme-˵.htm

  • Size

    2KB

  • MD5

    f2a6a504c4cb797f79e3106308f94de3

  • SHA1

    a7d1a768851cd1a28901a4f2cdbc4c8fe4587818

  • SHA256

    894a0efcd35d56c800cdb80d7cc776c7c6026a2383b7e1c8c718ec53f01fdf94

  • SHA512

    1c9b9f0dc4491c108aae2ad15e2f7beca77504165546c8a4d8dfe77f8a4adb2a306b4f7e656153a03fa0067cdea555879c68b9f12c079a484f09139e0939d3c5

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-˵.htm
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2200 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:748

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

    33b7e09d1c6e875887fd38ae0a7ee659

    SHA1

    192864bc83504fafbd87af8c3834b835076c414a

    SHA256

    f200eaab5663e542461bbae7aac0473f6455eec451011f016c84920520b19dfb

    SHA512

    b1d6872519f5956bb511b4eca8e1b79123482e9aacb1cef704c1d3ef7f9daade10573dd206df4c62c623bbfb10f757f01c914bfc2b0e9ab567981ea08b404799

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

    Filesize

    434B

    MD5

    3df54f0fcb40719cbc05ce40e1d29fca

    SHA1

    941745d4d075464839d386f797f5589d78ac9d85

    SHA256

    812219ad75414043b74236579c0b38e28b1e8a6f2f1742b6b0a186cc6e3314e9

    SHA512

    6e05718874b6bfa78fe435d4283a750f5028c00e8302b6170ef64e7c768fc7ceecf89ceccb64297afb31521fe04d0bdf0dc7e51bcb4bb64ffd4ddd91a0705131