Analysis

  • max time kernel
    53s
  • max time network
    66s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 03:15

Errors

Reason
Machine shutdown

General

  • Target

    Recovery.exe

  • Size

    107KB

  • MD5

    d90957d3cd23fbe36dedf1de6faa40d7

  • SHA1

    d4eaf5265a509389673f78621f2b8fad4469534b

  • SHA256

    d5acc827ecfc0a6944eb3b7fe4e1de10c433f8bacbf9e5ac576a5fbd55219f36

  • SHA512

    aee281bbeace797741126ccdb5b516bfb265b6630f16ffaf44ad840383e42ea11e5fe9b30518c2de652dfc2dfc8521523f99b8e39d79d28691e6049de843c12f

  • SSDEEP

    3072:gL06G8Hl9Sfhw4mzbW/hg0cYpG1RgN1UeeXB:gL48F9S2NbAhg0cYpG1RgN1Ues

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 2 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 2 IoCs
  • Blocks application from running via registry modification 9 IoCs

    Adds application to list of disallowed applications.

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Disables use of System Restore points 1 TTPs
  • Possible privilege escalation attempt 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Modifies file permissions 1 TTPs 6 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • System policy modification 1 TTPs 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Recovery.exe
    "C:\Users\Admin\AppData\Local\Temp\Recovery.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • UAC bypass
    • Blocks application from running via registry modification
    • Disables RegEdit via registry modification
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Modifies WinLogon
    • Writes to the Master Boot Record (MBR)
    • Modifies Control Panel
    • Modifies Internet Explorer start page
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1240
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32 && icacls C:\Windows\System32 /grant %username%:F && takeown /f C:\Windows\System32\drivers && icacls C:\Windows\System32\drivers /grant %username%:F && Exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:960
      • C:\Windows\system32\takeown.exe
        takeown /f C:\Windows\System32
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:1264
      • C:\Windows\system32\icacls.exe
        icacls C:\Windows\System32 /grant Admin:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2760
      • C:\Windows\system32\takeown.exe
        takeown /f C:\Windows\System32\drivers
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:232
      • C:\Windows\system32\icacls.exe
        icacls C:\Windows\System32\drivers /grant Admin:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:3516
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winlogon.exe && icacls C:\Windows\System32\winlogon.exe /grant %username%:F exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1068
      • C:\Windows\system32\takeown.exe
        takeown /f C:\Windows\System32\winlogon.exe
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:1560
      • C:\Windows\system32\icacls.exe
        icacls C:\Windows\System32\winlogon.exe /grant Admin:F exit
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:4584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1068-20-0x00007FFB9EE40000-0x00007FFB9F195000-memory.dmp

    Filesize

    3.3MB

  • memory/1068-19-0x00007FF7B7D40000-0x00007FF7B7DA7000-memory.dmp

    Filesize

    412KB

  • memory/1240-13-0x00007FFB9CBB0000-0x00007FFB9CC33000-memory.dmp

    Filesize

    524KB

  • memory/1240-2-0x0000000003130000-0x0000000003136000-memory.dmp

    Filesize

    24KB

  • memory/1240-4-0x00007FFB80F43000-0x00007FFB80F45000-memory.dmp

    Filesize

    8KB

  • memory/1240-5-0x00007FFB9A230000-0x00007FFB9A2C0000-memory.dmp

    Filesize

    576KB

  • memory/1240-6-0x00007FFB9E670000-0x00007FFB9E71C000-memory.dmp

    Filesize

    688KB

  • memory/1240-8-0x00007FFB89B00000-0x00007FFB89B90000-memory.dmp

    Filesize

    576KB

  • memory/1240-7-0x00007FFB8C570000-0x00007FFB8C589000-memory.dmp

    Filesize

    100KB

  • memory/1240-9-0x00007FFB80F40000-0x00007FFB81A01000-memory.dmp

    Filesize

    10.8MB

  • memory/1240-0-0x00007FFB80F43000-0x00007FFB80F45000-memory.dmp

    Filesize

    8KB

  • memory/1240-3-0x00007FFB80F40000-0x00007FFB81A01000-memory.dmp

    Filesize

    10.8MB

  • memory/1240-1-0x0000000000FA0000-0x0000000000FC2000-memory.dmp

    Filesize

    136KB

  • memory/1240-16-0x00007FFB9D2B0000-0x00007FFB9D2FE000-memory.dmp

    Filesize

    312KB

  • memory/1240-18-0x00007FFB95CA0000-0x00007FFB95CFC000-memory.dmp

    Filesize

    368KB

  • memory/1240-15-0x00007FFB9D900000-0x00007FFB9D9A9000-memory.dmp

    Filesize

    676KB

  • memory/1240-12-0x00007FFB9EE40000-0x00007FFB9F195000-memory.dmp

    Filesize

    3.3MB

  • memory/1240-23-0x00007FFB9EE40000-0x00007FFB9F195000-memory.dmp

    Filesize

    3.3MB

  • memory/1240-45-0x00007FFB9ED00000-0x00007FFB9ED2B000-memory.dmp

    Filesize

    172KB

  • memory/1240-51-0x00007FFB88D90000-0x00007FFB88DB4000-memory.dmp

    Filesize

    144KB

  • memory/1240-46-0x00007FFB9CED0000-0x00007FFB9CFDB000-memory.dmp

    Filesize

    1.0MB