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Analysis

  • max time kernel
    47s
  • max time network
    69s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2022, 16:44

Errors

Reason
Machine shutdown

General

  • Target

    7e682a244f243fcf50c12a2226b37a9c61e89c7a429256e6c95476c8ad56410a.exe

  • Size

    50KB

  • MD5

    61336286e20aff0d064a15ec60552616

  • SHA1

    595bc8b07ec03a97152c9718db9465be07863d12

  • SHA256

    7e682a244f243fcf50c12a2226b37a9c61e89c7a429256e6c95476c8ad56410a

  • SHA512

    c3e4d77664a0006c56fde37be75a34f1d24ba0102da219b85e3cde9afe7c5f0c2cb1bbbc5dc2adcb5f7cbc64ac849a0e79b5c73f355b6758715ee716ec3fde4b

  • SSDEEP

    768:FUSoxFgc9v8O3a9SqoYWGcCijauyBvfNoEHtFGaqI9NGYJXKoJG4PH:hSF9v81jwUl5XRNFGHWf

Score
8/10

Malware Config

Signatures

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e682a244f243fcf50c12a2226b37a9c61e89c7a429256e6c95476c8ad56410a.exe
    "C:\Users\Admin\AppData\Local\Temp\7e682a244f243fcf50c12a2226b37a9c61e89c7a429256e6c95476c8ad56410a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\SysWOW64\shutdown.exe
      "C:\Windows\System32\shutdown.exe" /r /t 6 /f
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2012
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2067414005 /d "C:\Users\Admin\2067414005\2067414005.exe" /F
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1384
      • C:\Windows\SysWOW64\reg.exe
        reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2067414005 /d "C:\Users\Admin\2067414005\2067414005.exe" /F
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:1760
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:1768
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:572

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1676-54-0x00000000764D1000-0x00000000764D3000-memory.dmp

        Filesize

        8KB

      • memory/1676-58-0x0000000000400000-0x0000000000420000-memory.dmp

        Filesize

        128KB

      • memory/1768-59-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmp

        Filesize

        8KB