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Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 06:09

General

  • Target

    http://asahi-net.or.jp

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 64 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" http://asahi-net.or.jp
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:484
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:484 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:4376

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\z2evvp3\imagestore.dat

    Filesize

    15KB

    MD5

    3a50cef608513083df8969b0b2c8ddff

    SHA1

    affb59d9c20d2f9c1c30618a6f28d569ce9d146e

    SHA256

    11abf147c6d7a6e8dd43abb848c38d423d3b4dd98672cd510a65cd3f85385e96

    SHA512

    e064928bfbfd38a3fb052ce01c3dab8032129f5663b1b3d026d0e1a96dda178ddc45e28626f1904e98a086a39cdb5cce1d06d4cdb0e44d2f63ebf7acff2b4ed7

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TQFWGWHN\favicon[1].ico

    Filesize

    14KB

    MD5

    d1543eb7fe61946df504528154e3aca6

    SHA1

    f6b0319c1106f3804b1fa4835b1145fa7883364a

    SHA256

    4a9810be850c729d7366a3dc6b5806f4cfd5beadbf72fc679c6a3df23a1643b5

    SHA512

    b47f0b941e177ceaffaa13817c509b51c8948ff8a420605e0a82486d3d46e5932d43e55cb64efea7daf948eb85e41cec7f9b9e252ff8c01b1790cef412af56bf