Analysis

  • max time kernel
    205s
  • max time network
    69s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 10:15

General

  • Target

    edu/linguistics/vocab/Vocab.class

  • Size

    2KB

  • MD5

    5ce801a7e466e6dce5b0f2b1344e4a62

  • SHA1

    7bcff601d5cd3d04eff224fd730958c994613245

  • SHA256

    b82b71047857c235410c71ee1be80d9cf3dee66ffe2133e6f18ca77a2ba9a36c

  • SHA512

    c8b20018ede5b77e2368c40cf2cb9fe9e62ad6140afcf8a1bb3b37a690e14f2c3ccf3e1b05217774d495015c5597aedffdabb81a5380c9e4594f51159818f723

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\edu\linguistics\vocab\Vocab.class
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:516
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\edu\linguistics\vocab\Vocab.class
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1316
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\edu\linguistics\vocab\Vocab.class"
        3⤵
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1280

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/516-54-0x000007FEFB641000-0x000007FEFB643000-memory.dmp

          Filesize

          8KB

        • memory/1280-82-0x0000000075A31000-0x0000000075A33000-memory.dmp

          Filesize

          8KB