Analysis

  • max time kernel
    126s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    15/07/2020, 15:52

General

  • Target

    Doc-Preview.exe

  • Size

    425KB

  • MD5

    f5b7ebf0221bd55dbda661eefde1d958

  • SHA1

    ebbd293fb26da47cdfbc47b55371de2772faa5ac

  • SHA256

    66fe4f89b6a5408851c16d7af393e97969e8712d5e7300a75e54c86ad33d1060

  • SHA512

    3c94d1f492fde84a3ae142349916c874db5b2b53b7755b9de74122ca5aba2801ca0e7185a2df433090c86039354ab2cf31a394337d086705b1a280a97ccda2c7

Score
8/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 840 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Blacklisted process makes network request 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Doc-Preview.exe
    "C:\Users\Admin\AppData\Local\Temp\Doc-Preview.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\8C1.exe
      C:\Users\Admin\AppData\Local\Temp\8C1.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of SetThreadContext
      PID:4092
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe
        3⤵
        • Blacklisted process makes network request
        PID:4056
  • C:\Users\Admin\AppData\Local\Temp\Doc-Preview.exe
    C:\Users\Admin\AppData\Local\Temp\Doc-Preview.exe {BF22B958-85DA-4F99-9630-03735B583D0F}
    1⤵
      PID:1788
    • C:\Users\Admin\AppData\Local\Temp\8C1.exe
      C:\Users\Admin\AppData\Local\Temp\8C1.exe {C415328B-1F8E-4D0E-9E21-1344BA24DD66}
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4004

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1628-0-0x0000000000540000-0x000000000057F000-memory.dmp

      Filesize

      252KB

    • memory/1788-1-0x00000000001C0000-0x00000000001FF000-memory.dmp

      Filesize

      252KB

    • memory/4004-7-0x00000000020F0000-0x000000000212F000-memory.dmp

      Filesize

      252KB

    • memory/4056-8-0x00007FF71DC80000-0x00007FF71DCDA000-memory.dmp

      Filesize

      360KB

    • memory/4056-10-0x00007FF71DC80000-0x00007FF71DCDA000-memory.dmp

      Filesize

      360KB

    • memory/4092-5-0x0000000002370000-0x00000000023AF000-memory.dmp

      Filesize

      252KB