Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2024, 15:49

General

  • Target
    code.vbs
  • Size 1KB
  • Sample241011-s9dqvsvfpp
  • SHA256 a7e0361d293c68159a7d48b5cfeef5804ba938df7e6e0dfbb1e6ca200bcfd037
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Renames multiple (24552) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Drivers directory 64 IoCs
  • Possible privilege escalation attempt 2 IoCs
  • Boot or Logon Autostart Execution: Print Processors 1 TTPs 1 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.

  • Indicator Removal: Clear Windows Event Logs 1 TTPs 64 IoCs

    Clear Windows Event Logs to hide the activity of an intrusion.

  • Modifies file permissions 1 TTPs 2 IoCs
  • Drops file in System32 directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\code.vbs"
    1⤵
    • Drops file in Drivers directory
    • Boot or Logon Autostart Execution: Print Processors
    • Checks computer location settings
    • Indicator Removal: Clear Windows Event Logs
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c takeown /f C:\Windows\System32\* && icacls C:\Windows\System32\* /grant everyone:(F)
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3144
      • C:\Windows\system32\takeown.exe
        takeown /f C:\Windows\System32\*
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:3244
      • C:\Windows\system32\icacls.exe
        icacls C:\Windows\System32\* /grant everyone:(F)
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:4412
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.123 --initial-client-data=0x118,0x11c,0x120,0xf4,0x124,0x7ffcb6a2cc40,0x7ffcb6a2cc4c,0x7ffcb6a2cc58
      2⤵
        PID:3476
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1936,i,2246984266791491869,6793076274077975382,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1932 /prefetch:2
        2⤵
          PID:2212
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=1836,i,2246984266791491869,6793076274077975382,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2512 /prefetch:3
          2⤵
            PID:2412
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=2036,i,2246984266791491869,6793076274077975382,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2624 /prefetch:8
            2⤵
              PID:3860
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3156,i,2246984266791491869,6793076274077975382,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3168 /prefetch:1
              2⤵
                PID:2676
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3176,i,2246984266791491869,6793076274077975382,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3224 /prefetch:1
                2⤵
                  PID:2644
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4596,i,2246984266791491869,6793076274077975382,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4620 /prefetch:1
                  2⤵
                    PID:4532
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4528,i,2246984266791491869,6793076274077975382,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4740 /prefetch:8
                    2⤵
                      PID:1748
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4580,i,2246984266791491869,6793076274077975382,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4848 /prefetch:8
                      2⤵
                        PID:2184
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4804,i,2246984266791491869,6793076274077975382,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4932 /prefetch:8
                        2⤵
                          PID:4636
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4848,i,2246984266791491869,6793076274077975382,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=5068 /prefetch:8
                          2⤵
                            PID:3056
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --field-trial-handle=4896,i,2246984266791491869,6793076274077975382,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=5156 /prefetch:1
                            2⤵
                              PID:4988
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=3332,i,2246984266791491869,6793076274077975382,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4860 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:2948
                          • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                            "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                            1⤵
                              PID:3060
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                              1⤵
                                PID:3576

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    Network Persistent State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                    • Size 2KB
                                    • SHA256 cbde966e852a2718f035655406f1a0ccd83d5ee1e6cc1e635532cec678661752
                                    • MD5 SHA1 SHA512

                                    SCT Auditing Pending Reports

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                    • Size 2B
                                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                    • MD5 SHA1 SHA512

                                    TransportSecurity

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                    • Size 356B
                                    • SHA256 776f36bebb89f3e962dc5f322531a6fc732e21e83cce0a1ffc42beb31470a81f
                                    • MD5 SHA1 SHA512

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 8KB
                                    • SHA256 08392953b24864e0bf0a57a1b216fef5b4681710f09111c62cfa38a23b0f63cb
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 8KB
                                    • SHA256 399f694a4774d092532eeb96a382ad83f8d4a16ee5b68fc1d8883e43d9e9be4a
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 8KB
                                    • SHA256 3fbc562004b44eb8fd8fe3ff385eea1d3a8ac65f484d68a961f2068ba36b7e9c
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 8KB
                                    • SHA256 52b2c376bcae00a1142f0f9c004171ac5465847cd15f8a3efcf6d5f8bfcb6859
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 8KB
                                    • SHA256 d6be5ba8a76eb63ad5317dc6667f396a43079c36dfab1cf16c38717d202950ef
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 8KB
                                    • SHA256 1169bb249e27652711facaaee1d3a8c8c280018760bda947bf181ef2fe5e8810
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 8KB
                                    • SHA256 532e5674f88bf0895132aabbc959e32f2f6171ee8c24ef8c007830e5a7d334c4
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 8KB
                                    • SHA256 9e0982fb6235328fa1efbe8b63ca02e8652b5b70a9796dcdc4cb6888aa8f8903
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 8KB
                                    • SHA256 771ad117cd4694c64a0ba8f523f490c22e78a94f7b7a177f13d34c0065d5b4ab
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                    • Size 15KB
                                    • SHA256 4748a554e80a64c845fe1c55117caafb9d0e9be035409739350268471d75a204
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 228KB
                                    • SHA256 794578f02594831b54ad81aa581a43262601a04c56b25abe5a5f95c26cfded10
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 228KB
                                    • SHA256 264649a741e54ecbbf8d2db336bd031d9e64aca0bfff19c3bdf3af9f6c703a0a
                                    • MD5 SHA1 SHA512 SSDEEP

                                    whysoserious.bat

                                    • Path C:\Users\Admin\AppData\Local\Temp\whysoserious.bat
                                    • Size 89B
                                    • SHA256 81544f6c725f842b68f7bcbeb26525f701293d3d2281dd64dcad1e9d2dfc398d
                                    • MD5 SHA1 SHA512