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Analysis

  • max time kernel
    43s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/02/2023, 13:33

General

  • Target

    baa16c18d7e6175530b5555263acc73109b33d73.exe

  • Size

    11KB

  • MD5

    1fb24cd509d9fb14100a8e0802cc6b36

  • SHA1

    baa16c18d7e6175530b5555263acc73109b33d73

  • SHA256

    997918adb5bdc5781b823fe5800e8cb1ee7bf763bdf96dbefd64c6893122423e

  • SHA512

    cdca1d5fc84ecc5e03c6530056da5dfa714f74480fdcf8e9aebe9797a08acd2ae2e76c0bc1e748a770d7828249e5369cd245ccfad01599137a6d4d5257889243

  • SSDEEP

    192:jaoQF1cxvY43cyGd17qdJfZoptaCyCM19yjVxo91nGOjfqdv:gF1sA43ud14JhonaDCM1kvOdxedv

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1300
      • C:\Users\Admin\AppData\Local\Temp\baa16c18d7e6175530b5555263acc73109b33d73.exe
        "C:\Users\Admin\AppData\Local\Temp\baa16c18d7e6175530b5555263acc73109b33d73.exe"
        2⤵
        • Adds policy Run key to start application
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:364
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\w1.bat" "
          3⤵
            PID:1932

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\w1.bat

        Filesize

        334B

        MD5

        a3fad92d9597f745bc52a49e4848baee

        SHA1

        4765c3f1e70ff07fb558d4b8c9b6c8fc7f7645fe

        SHA256

        48eab08e15678ac8ffdea0a2107976fa10ce9ae34e122ee231ca8b0a86b5a9fc

        SHA512

        a6ef8b68e70c3179a1357456e82b7abf18fe9a8fe99d835257beb2070e7701f565b7718510880e0b2e18d37a7a8121493c9fd402743a977f107e07a30a632459

      • memory/364-54-0x0000000075131000-0x0000000075133000-memory.dmp

        Filesize

        8KB