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Resubmissions

04/10/2024, 12:49

241004-p2q5favdjk 10

04/10/2024, 12:45

241004-py4w5ayflh 8

Analysis

  • max time kernel
    139s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2024, 12:45

General

  • Target

    fox X vynla.exe

  • Size

    195KB

  • MD5

    e07a79dfb6409358299b6952600f2552

  • SHA1

    b73413c974ac6a74b04954fced09648a2b4da5a3

  • SHA256

    5f69bc66b594f45abd8c36f4b32ccd4c27b5e3d909927c61e4d0bb29553d8e92

  • SHA512

    682dd7416d9f97c2f7241473b2c70cd32cb708d4a738d76737c185d6d0d3a7ee459a874845d12782a88eb1fe1c1d90a2304c675006920918389dfa7777b7be2b

  • SSDEEP

    768:oFmbYc2FNAQBA9WFydBmu0zbbj0mxds+sY3X/J+k6tB:oFmyNAQBCyLj0m5F4lt

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Port Monitors 1 TTPs 13 IoCs

    Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

  • Boot or Logon Autostart Execution: Print Processors 1 TTPs 2 IoCs

    Adversaries may abuse print processors to run malicious DLLs during system boot for persistence and/or privilege escalation.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Maps connected drives based on registry 3 TTPs 12 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Power Settings 1 TTPs 6 IoCs

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

  • Remote Services: SMB/Windows Admin Shares 1 TTPs 2 IoCs

    Adversaries may use Valid Accounts to interact with a remote network share using Server Message Block (SMB).

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies data under HKEY_USERS 12 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fox X vynla.exe
    "C:\Users\Admin\AppData\Local\Temp\fox X vynla.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QMxdpdQa.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3520
      • C:\Windows\system32\cmd.exe
        cmd /c "C:\Users\Admin\AppData\Local\Temp\QMxdpdQa.bat" max
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4824
        • C:\Windows\system32\timeout.exe
          timeout 4
          4⤵
          • Delays execution with timeout.exe
          PID:3312
        • C:\Windows\system32\reg.exe
          reg add "HKLM\SYSTEM\CurrentControlSet\services\Dhcp" /v "Start" /t REG_DWORD /d "2" /f
          4⤵
            PID:1660
          • C:\Windows\regedit.exe
            regedit /s "7ZIP.reg"
            4⤵
            • Runs .reg file with regedit
            PID:4416
          • C:\Windows\system32\powercfg.exe
            powercfg -import "C:\Windows\APIs\Cat10IdleOn.pow" 69420228-6969-6969-6969-694202281337
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:4408
          • C:\Windows\system32\powercfg.exe
            powercfg -import "C:\Windows\APIs\Cat10IdleOff.pow" 70420228-6969-6969-6969-694202281337
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:1984
          • C:\Windows\system32\powercfg.exe
            powercfg -setactive 69420228-6969-6969-6969-694202281337
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:5056
          • C:\Windows\system32\powercfg.exe
            powercfg -delete 381b4222-f694-41f0-9685-ff5bb260df2e
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:4616
          • C:\Windows\system32\powercfg.exe
            powercfg -delete a1841308-3541-4fab-bc81-f71556f20b4a
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:3756
          • C:\Windows\system32\reg.exe
            reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent" /v "StartColorMenu" /t REG_DWORD /d "4284394495" /f
            4⤵
              PID:4516
            • C:\Windows\system32\reg.exe
              reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent" /v "AccentColorMenu" /t REG_DWORD /d "4286102015" /f
              4⤵
                PID:3604
              • C:\Windows\system32\reg.exe
                reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent" /v "AccentPalette" /t REG_BINARY /d "FFE5CEFFFFD3ABFFFEC691FFFFB978FFFFAB5EFFFF9E44FFFE8C21FF88179800" /f
                4⤵
                  PID:868
                • C:\Windows\system32\reg.exe
                  reg add "HKCU\Software\Microsoft\Windows\DWM" /v "AccentColor" /t REG_DWORD /d "4286102015" /f
                  4⤵
                    PID:2608
                  • C:\Windows\system32\reg.exe
                    reg add "HKCU\Software\Microsoft\Windows\DWM" /v "ColorizationColor" /t REG_DWORD /d "3305093496" /f
                    4⤵
                      PID:3012
                    • C:\Windows\system32\reg.exe
                      reg add "HKCU\Software\Microsoft\Windows\DWM" /v "ColorizationAfterglow" /t REG_DWORD /d "3305093496" /f
                      4⤵
                        PID:3428
                      • C:\Windows\system32\reg.exe
                        reg add "HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent" /v "StartColorMenu" /t REG_DWORD /d "4284394495" /f
                        4⤵
                        • Modifies data under HKEY_USERS
                        PID:3812
                      • C:\Windows\system32\reg.exe
                        reg add "HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent" /v "AccentColorMenu" /t REG_DWORD /d "4286102015" /f
                        4⤵
                        • Modifies data under HKEY_USERS
                        PID:2416
                      • C:\Windows\system32\reg.exe
                        reg add "HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent" /v "AccentPalette" /t REG_BINARY /d "FFE5CEFFFFD3ABFFFEC691FFFFB978FFFFAB5EFFFF9E44FFFE8C21FF88179800" /f
                        4⤵
                        • Modifies data under HKEY_USERS
                        PID:3124
                      • C:\Windows\system32\reg.exe
                        reg add "HKU\.DEFAULT\Software\Microsoft\Windows\DWM" /v "AccentColor" /t REG_DWORD /d "4286102015" /f
                        4⤵
                        • Modifies data under HKEY_USERS
                        PID:672
                      • C:\Windows\system32\reg.exe
                        reg add "HKU\.DEFAULT\Software\Microsoft\Windows\DWM" /v "ColorizationColor" /t REG_DWORD /d "3305093496" /f
                        4⤵
                        • Modifies data under HKEY_USERS
                        PID:1072
                      • C:\Windows\system32\reg.exe
                        reg add "HKU\.DEFAULT\Software\Microsoft\Windows\DWM" /v "ColorizationAfterglow" /t REG_DWORD /d "3305093496" /f
                        4⤵
                        • Modifies data under HKEY_USERS
                        PID:4008
                      • C:\Windows\system32\reg.exe
                        reg add "HKLM\SYSTEM\CurrentControlSet\Control\PriorityControl" /v "Win32PrioritySeparation" /t REG_DWORD /d "24" /f
                        4⤵
                          PID:2212
                        • C:\Windows\system32\reg.exe
                          reg add "HKLM\SYSTEM\CurrentControlSet\Services\NlaSvc" /v "DependOnService" /t REG_MULTI_SZ /d "NSI\0RpcSs\0TcpIp" /f
                          4⤵
                            PID:4924
                          • C:\Windows\system32\reg.exe
                            reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\HotStart" /f
                            4⤵
                              PID:3904
                            • C:\Windows\system32\reg.exe
                              reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Sidebar" /f
                              4⤵
                                PID:4152
                              • C:\Windows\system32\reg.exe
                                reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Telephony" /f
                                4⤵
                                  PID:4912
                                • C:\Windows\system32\reg.exe
                                  reg delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Screensavers" /f
                                  4⤵
                                    PID:1864
                                  • C:\Windows\system32\reg.exe
                                    reg delete "HKCU\Printers" /f
                                    4⤵
                                      PID:1824
                                    • C:\Windows\system32\reg.exe
                                      reg delete "HKLM\SYSTEM\ControlSet001\Control\Print" /f
                                      4⤵
                                      • Boot or Logon Autostart Execution: Port Monitors
                                      • Boot or Logon Autostart Execution: Print Processors
                                      PID:2684
                                    • C:\Windows\system32\reg.exe
                                      reg delete "HKLM\SYSTEM\ControlSet002\Control\Print" /f
                                      4⤵
                                        PID:3008
                                      • C:\Windows\system32\reg.exe
                                        reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v "FeatureSettings" /t REG_DWORD /d "1" /f
                                        4⤵
                                          PID:2172
                                        • C:\Windows\system32\reg.exe
                                          reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v "FeatureSettingsOverride" /t REG_DWORD /d "33554435" /f
                                          4⤵
                                            PID:1464
                                          • C:\Windows\system32\reg.exe
                                            reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v "FeatureSettingsOverrideMask" /t REG_DWORD /d "3" /f
                                            4⤵
                                              PID:4528
                                            • C:\Windows\system32\reg.exe
                                              reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v "EnableCfg" /t REG_DWORD /d "0" /f
                                              4⤵
                                                PID:1656
                                              • C:\Windows\system32\reg.exe
                                                reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\kernel" /v "DisableExceptionChainValidation" /t REG_DWORD /d "1" /f
                                                4⤵
                                                  PID:3136
                                                • C:\Windows\system32\reg.exe
                                                  reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\kernel" /v "KernelSEHOPEnabled" /t REG_DWORD /d "0" /f
                                                  4⤵
                                                    PID:3480
                                                  • C:\Windows\system32\reg.exe
                                                    reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\kernel" /v "DisableTsx" /t REG_DWORD /d "1" /f
                                                    4⤵
                                                      PID:4120
                                                    • C:\Windows\system32\reg.exe
                                                      reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager" /v "ProtectionMode" /t REG_DWORD /d "0" /f
                                                      4⤵
                                                        PID:516
                                                      • C:\Windows\system32\reg.exe
                                                        reg add "HKLM\Software\Microsoft\Ole\AppCompat" /v "RequireIntegrityActivationAuthenticationLevel" /t REG_DWORD /d "0" /f
                                                        4⤵
                                                          PID:1896
                                                        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                          powershell set-ProcessMitigation -System -Disable DEP, StrictHandle, SEHOP
                                                          4⤵
                                                          • Command and Scripting Interpreter: PowerShell
                                                          • Suspicious behavior: EnumeratesProcesses
                                                          • Suspicious use of AdjustPrivilegeToken
                                                          PID:2720
                                                        • C:\Windows\system32\powercfg.exe
                                                          powercfg -h off
                                                          4⤵
                                                          • Power Settings
                                                          • Suspicious use of AdjustPrivilegeToken
                                                          PID:992
                                                        • C:\Windows\system32\reg.exe
                                                          reg add "HKLM\SYSTEM\CurrentControlSet\Control\Power" /v "HibernateEnabledDefault" /t REG_DWORD /d "0" /f
                                                          4⤵
                                                            PID:1788
                                                          • C:\Windows\system32\reg.exe
                                                            reg add "HKLM\SYSTEM\CurrentControlSet\Control\Power" /v "EventProcessorEnabled" /t REG_DWORD /d "0" /f
                                                            4⤵
                                                              PID:1596
                                                            • C:\Windows\system32\reg.exe
                                                              reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Power" /v "AwayModeEnabled" /t REG_DWORD /d "0" /f
                                                              4⤵
                                                                PID:3224
                                                              • C:\Windows\system32\reg.exe
                                                                reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\EventHandlersDefaultSelection\CameraAlternate\ShowPicturesOnArrival" /ve /t REG_SZ /d "MSTakeNoAction" /f
                                                                4⤵
                                                                  PID:2316
                                                                • C:\Windows\system32\reg.exe
                                                                  reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\EventHandlersDefaultSelection\StorageOnArrival" /ve /t REG_SZ /d "MSTakeNoAction" /f
                                                                  4⤵
                                                                    PID:4572
                                                                  • C:\Windows\system32\reg.exe
                                                                    reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\UserChosenExecuteHandlers\CameraAlternate\ShowPicturesOnArrival" /ve /t REG_SZ /d "MSTakeNoAction" /f
                                                                    4⤵
                                                                      PID:4128
                                                                    • C:\Windows\system32\reg.exe
                                                                      reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\UserChosenExecuteHandlers\StorageOnArrival" /ve /t REG_SZ /d "MSTakeNoAction" /f
                                                                      4⤵
                                                                        PID:5008
                                                                      • C:\Windows\system32\reg.exe
                                                                        reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v "WinStationsDisabled" /t REG_SZ /d "1" /f
                                                                        4⤵
                                                                          PID:4212
                                                                        • C:\Windows\system32\reg.exe
                                                                          reg add "HKLM\SYSTEM\CurrentControlSet\Control\Lsa" /v "disabledomaincreds" /t REG_DWORD /d "1" /f
                                                                          4⤵
                                                                            PID:2168
                                                                          • C:\Windows\system32\reg.exe
                                                                            reg add "HKLM\SYSTEM\CurrentControlSet\Control\Lsa" /v "restrictanonymous" /t REG_DWORD /d "1" /f
                                                                            4⤵
                                                                              PID:4840
                                                                            • C:\Windows\system32\reg.exe
                                                                              reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing" /v "EnableLog" /t REG_DWORD /d "0" /f
                                                                              4⤵
                                                                                PID:1368
                                                                              • C:\Windows\system32\reg.exe
                                                                                reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing" /v "EnableDpxLog" /t REG_DWORD /d "0" /f
                                                                                4⤵
                                                                                  PID:4436
                                                                                • C:\Windows\system32\reg.exe
                                                                                  reg add "HKLM\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Component Based Servicing" /v "EnableLog" /t REG_DWORD /d "0" /f
                                                                                  4⤵
                                                                                    PID:1104
                                                                                  • C:\Windows\system32\reg.exe
                                                                                    reg add "HKLM\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Component Based Servicing" /v "EnableDpxLog" /t REG_DWORD /d "0" /f
                                                                                    4⤵
                                                                                      PID:4424
                                                                                    • C:\Windows\system32\reg.exe
                                                                                      reg add "HKLM\SOFTWARE\Microsoft\Ole" /v "EnableDCOM" /t REG_SZ /d "N" /f
                                                                                      4⤵
                                                                                        PID:2004
                                                                                      • C:\Windows\system32\reg.exe
                                                                                        reg add "HKLM\SOFTWARE\WOW6432Node\Microsoft\Ole" /v "EnableDCOM" /t REG_SZ /d "N" /f
                                                                                        4⤵
                                                                                          PID:4556
                                                                                        • C:\Windows\system32\cmd.exe
                                                                                          C:\Windows\system32\cmd.exe /c REG QUERY "HKLM\SYSTEM\CurrentControlSet\Services" /S /F "EnableHIPM"| FINDSTR /V "EnableHIPM"
                                                                                          4⤵
                                                                                            PID:3944
                                                                                            • C:\Windows\system32\reg.exe
                                                                                              REG QUERY "HKLM\SYSTEM\CurrentControlSet\Services" /S /F "EnableHIPM"
                                                                                              5⤵
                                                                                              • Maps connected drives based on registry
                                                                                              • Remote Services: SMB/Windows Admin Shares
                                                                                              PID:2300
                                                                                            • C:\Windows\system32\findstr.exe
                                                                                              FINDSTR /V "EnableHIPM"
                                                                                              5⤵
                                                                                                PID:5056
                                                                                            • C:\Windows\system32\reg.exe
                                                                                              REG ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\amdsbs\Settings\CAM" /F /V "EnableHIPM" /T REG_DWORD /d 0
                                                                                              4⤵
                                                                                                PID:1904
                                                                                              • C:\Windows\system32\reg.exe
                                                                                                REG ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\amdsbs\Settings\CAM" /F /V "EnableDIPM" /T REG_DWORD /d 0
                                                                                                4⤵
                                                                                                  PID:2472
                                                                                                • C:\Windows\system32\reg.exe
                                                                                                  REG ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\amdsbs\Settings\CAM" /F /V "EnableHDDParking" /T REG_DWORD /d 0
                                                                                                  4⤵
                                                                                                    PID:1104
                                                                                                  • C:\Windows\system32\cmd.exe
                                                                                                    C:\Windows\system32\cmd.exe /c REG QUERY "HKLM\SYSTEM\CurrentControlSet\Services" /S /F "IoLatencyCap"| FINDSTR /V "IoLatencyCap"
                                                                                                    4⤵
                                                                                                      PID:4424
                                                                                                      • C:\Windows\system32\reg.exe
                                                                                                        REG QUERY "HKLM\SYSTEM\CurrentControlSet\Services" /S /F "IoLatencyCap"
                                                                                                        5⤵
                                                                                                        • Maps connected drives based on registry
                                                                                                        • Remote Services: SMB/Windows Admin Shares
                                                                                                        PID:2004
                                                                                                      • C:\Windows\system32\findstr.exe
                                                                                                        FINDSTR /V "IoLatencyCap"
                                                                                                        5⤵
                                                                                                          PID:2340

                                                                                                Network

                                                                                                MITRE ATT&CK Enterprise v15

                                                                                                Replay Monitor

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                                                                                                Downloads

                                                                                                • C:\Users\Admin\AppData\Local\Temp\QMxdpdQa.bat

                                                                                                  Filesize

                                                                                                  49KB

                                                                                                  MD5

                                                                                                  12d029a7e23cf93caf2861388cdc621f

                                                                                                  SHA1

                                                                                                  e6ed2fca26736853e6259cd204acfc0258d8504d

                                                                                                  SHA256

                                                                                                  14d7c600241a47f887312eeefd191744372d082dcb7d2925a36bad24f4e3723d

                                                                                                  SHA512

                                                                                                  cd111ec1a28976110e82524d4e06c67171b926e1b52c325bed3c9685b772a36ac7844e5d627a612e8a7f51b6ab973ca6426d347fd9ef4b4da987bbb0100cf1fe

                                                                                                • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hkcctsil.13a.ps1

                                                                                                  Filesize

                                                                                                  60B

                                                                                                  MD5

                                                                                                  d17fe0a3f47be24a6453e9ef58c94641

                                                                                                  SHA1

                                                                                                  6ab83620379fc69f80c0242105ddffd7d98d5d9d

                                                                                                  SHA256

                                                                                                  96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                                                                                                  SHA512

                                                                                                  5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                                                                                                • memory/2060-0-0x00007FFA6F903000-0x00007FFA6F905000-memory.dmp

                                                                                                  Filesize

                                                                                                  8KB

                                                                                                • memory/2060-1-0x00000000006B0000-0x00000000006E6000-memory.dmp

                                                                                                  Filesize

                                                                                                  216KB

                                                                                                • memory/2720-7-0x0000021F7EED0000-0x0000021F7EEF2000-memory.dmp

                                                                                                  Filesize

                                                                                                  136KB

                                                                                                • memory/2720-17-0x0000021F7F4B0000-0x0000021F7F4CE000-memory.dmp

                                                                                                  Filesize

                                                                                                  120KB