Analysis

  • max time kernel
    17s
  • max time network
    21s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 23:52

Errors

Reason
Machine shutdown

General

  • Target

    d5f78a1ecba3915d84c5467a64370009242d49bc23abda04cd74ab307e955743.exe

  • Size

    80KB

  • MD5

    aafafd170827a39a5e654b1e6c05cc5f

  • SHA1

    fa1dbff733c97bfd11ab4bfc9ab95607d55fdd92

  • SHA256

    d5f78a1ecba3915d84c5467a64370009242d49bc23abda04cd74ab307e955743

  • SHA512

    a8079158ec109b5266e6fff81a3498acd59a41c1068c4fc6ed1f7eb8dca7ef343681d2cd8507ec5174b84b3c770ad0bbc9cb7846f6dfaf3caa56b9505f26cbcb

  • SSDEEP

    1536:pJev3S7erSoUi/GbT8LHNnrrqcgiHyP/:pJevUer02HlrrgiSn

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 data under HKEY_USERS 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5f78a1ecba3915d84c5467a64370009242d49bc23abda04cd74ab307e955743.exe
    "C:\Users\Admin\AppData\Local\Temp\d5f78a1ecba3915d84c5467a64370009242d49bc23abda04cd74ab307e955743.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2558620593 /t REG_SZ /d "%userprofile%\2558620593.exe" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1796
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2558620593 /t REG_SZ /d "C:\Users\Admin\2558620593.exe" /f
        3⤵
        • Adds Run key to start application
        PID:4992
    • C:\Windows\SysWOW64\shutdown.exe
      "C:\Windows\System32\shutdown.exe" /r /f /t 3
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1448
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\D5F78A~1.EXE > nul
      2⤵
        PID:1336
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa39ee855 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:2100

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/2200-132-0x0000000002160000-0x0000000002177000-memory.dmp

      Filesize

      92KB

    • memory/2200-134-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB