Analysis

  • max time kernel
    147s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2022, 15:13

General

  • Target

    e9a85f74f3aeda50a32e7742c6068844c9f93c1b8961b7cd7e8950f888db1677.exe

  • Size

    236KB

  • MD5

    45f843d184b7adb06d03c24b1db94b8a

  • SHA1

    42b38e6c2af494645162c161c0609e2b8b1c54b8

  • SHA256

    e9a85f74f3aeda50a32e7742c6068844c9f93c1b8961b7cd7e8950f888db1677

  • SHA512

    add63ae5aa3ea1bfa56b3d6fa75f1e798c855d97090325d40bdf02758942ceb8118c5eb153d7f124533146983f3a87214dd025f3d01879ca8f703689586a3769

  • SSDEEP

    3072:5JtjTJK5x0GI5wkdeP7Lb7raJK1bAkgFwxpiIE:tTJem5PQeJoA

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 3 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9a85f74f3aeda50a32e7742c6068844c9f93c1b8961b7cd7e8950f888db1677.exe
    "C:\Users\Admin\AppData\Local\Temp\e9a85f74f3aeda50a32e7742c6068844c9f93c1b8961b7cd7e8950f888db1677.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c reg delete HKCU\Software\yahoo\pager /v "Save Password" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Windows\SysWOW64\reg.exe
        reg delete HKCU\Software\yahoo\pager /v "Save Password" /f
        3⤵
        • Modifies registry key
        PID:4500
    • C:\Documents and Settings\All Users\Start Menu\Programs\Startup\Acrobat.exe
      "C:\Documents and Settings\All Users\Start Menu\Programs\Startup\Acrobat.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:208

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Documents and Settings\All Users\Start Menu\Programs\Startup\Acrobat.exe

          Filesize

          236KB

          MD5

          45f843d184b7adb06d03c24b1db94b8a

          SHA1

          42b38e6c2af494645162c161c0609e2b8b1c54b8

          SHA256

          e9a85f74f3aeda50a32e7742c6068844c9f93c1b8961b7cd7e8950f888db1677

          SHA512

          add63ae5aa3ea1bfa56b3d6fa75f1e798c855d97090325d40bdf02758942ceb8118c5eb153d7f124533146983f3a87214dd025f3d01879ca8f703689586a3769

        • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Acrobat.exe

          Filesize

          236KB

          MD5

          45f843d184b7adb06d03c24b1db94b8a

          SHA1

          42b38e6c2af494645162c161c0609e2b8b1c54b8

          SHA256

          e9a85f74f3aeda50a32e7742c6068844c9f93c1b8961b7cd7e8950f888db1677

          SHA512

          add63ae5aa3ea1bfa56b3d6fa75f1e798c855d97090325d40bdf02758942ceb8118c5eb153d7f124533146983f3a87214dd025f3d01879ca8f703689586a3769

        • memory/208-143-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1716-132-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1716-142-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB