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Analysis

  • max time kernel
    112s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/04/2023, 20:33

General

  • Target

    download.gz

  • Size

    20KB

  • MD5

    78689334c2aaad67f19ee8f0f09de7e0

  • SHA1

    9ed086731b9e1c216bd97d9f7ae9bd2bca86eded

  • SHA256

    9adf4ba601b65ffbacc8800a3c9826fe5127a51ba5c641651c9f7b147757bad2

  • SHA512

    30e968b692773cb3fef308bdbd265b55971ee038fa2cb8f162f1dcf59dcffcb86f6ca16dd8e3fe16210e3ef44bae6f10828f930c6a59c41bc14fd78624e8c2c3

  • SSDEEP

    384:eq0X3i6xKUuz7P13PTez7H6R6SLxLG0j0XzEfE6rSDPbkCqbaQ:h0nJ4U4LpK7AJpjCrL4baQ

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 29 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\download.gz
    1⤵
    • Modifies registry class
    PID:4908
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4396
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\download.gz
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1176

Network

MITRE ATT&CK Enterprise v6

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Downloads