Analysis

  • max time kernel
    65s
  • max time network
    72s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 19:33

Errors

Reason
Machine shutdown

General

  • Target

    9065c7b76919ec998a819f4493d9c8674cdbe3dc839d06369884bbebc6d73448.exe

  • Size

    82KB

  • MD5

    1f27c6d65d9be36f26b485888af90b91

  • SHA1

    307b1fef84c3b919186a8cc1c5334550f582ee77

  • SHA256

    9065c7b76919ec998a819f4493d9c8674cdbe3dc839d06369884bbebc6d73448

  • SHA512

    d660a1fc1c21957cff53fca9caedb37e76611131d90e35dfca4c59c1898eb89d579abbff19e1ab835d30cdf95eeff8cc4af67bda739f77207349b645c99a61ad

  • SSDEEP

    768:70ak0ylH/nUI0XDnDyTrTyXVUDen7e4/R9vHLGVR9+3hJpktLHNu9rSyZl2zCkCb:7KrlHPU/Tn3XODwzRpER9iq0l2AHyP

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\9065c7b76919ec998a819f4493d9c8674cdbe3dc839d06369884bbebc6d73448.exe
    "C:\Users\Admin\AppData\Local\Temp\9065c7b76919ec998a819f4493d9c8674cdbe3dc839d06369884bbebc6d73448.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2577523026 /t REG_SZ /d "%userprofile%\2577523026.exe" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3292
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2577523026 /t REG_SZ /d "C:\Users\Admin\2577523026.exe" /f
        3⤵
        • Adds Run key to start application
        PID:4920
    • C:\Windows\SysWOW64\shutdown.exe
      "C:\Windows\System32\shutdown.exe" /r /f /t 3
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2300
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9065C7~1.EXE > nul
      2⤵
        PID:5016
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa39f3055 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:2120

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/2152-132-0x0000000002170000-0x000000000218A000-memory.dmp

            Filesize

            104KB

          • memory/2152-134-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/2152-138-0x0000000002170000-0x000000000218A000-memory.dmp

            Filesize

            104KB