Analysis

  • max time kernel
    181s
  • max time network
    167s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12/12/2021, 04:36

General

  • Target
    FecitAntiques.exe
  • Size 12KB
  • Sample211212-e8ed4scaf5
  • SHA256 f2e3f685256e5f31b05fc9f9ca470f527d7fdae28fa3190c8eba179473e20789
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Modifies extensions of user files 12 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FecitAntiques.exe
    "C:\Users\Admin\AppData\Local\Temp\FecitAntiques.exe"
    1⤵
    • Modifies extensions of user files
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\HOW TO GET YOUR FILES BACK.TXT
      2⤵
        PID:556
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:984
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\HOW TO GET YOUR FILES BACK.TXT
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:700

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/556-58-0x000007FEFB591000-0x000007FEFB593000-memory.dmp

            memory/1628-54-0x0000000000B30000-0x0000000000B31000-memory.dmp

            memory/1628-56-0x000000001B020000-0x000000001B022000-memory.dmp