Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2024, 18:00

General

  • Target

    file.exe

  • Size

    6.8MB

  • MD5

    facce1c977e6ad7a85a601602af026a8

  • SHA1

    22b401eb9d7c1996c8830cd082f013b8db4b12a8

  • SHA256

    dfdc63994c85f7161e25a26b762835781ce5578c6a5b5c2839324fc7faa591d3

  • SHA512

    3b530cfdc84b42dd2413805b65f697bda70aeadfb4b058e55ac2ec21e6b2f55e6d9ff5e9a18d91e0508f35508841ede351d98f915a581bf649da6feb6366bbdc

  • SSDEEP

    49152:K4O/KlhMfZVTtu3zGUfEk/5QHdPKA3yCvhQ0F7QqlZeFhThKa9aK6bPcZ+HP7ke:K43MZVsztskBQ9PviC5nF/+3gKtZ+v

Malware Config

Signatures

  • Uses browser remote debugging 2 TTPs 4 IoCs

    Can be used control the browser and steal sensitive information such as credentials and session cookies.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:4840
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9222 --profile-directory="Default"
      2⤵
      • Uses browser remote debugging
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5064
      • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ffc7b2dcc40,0x7ffc7b2dcc4c,0x7ffc7b2dcc58
        3⤵
          PID:4188
        • 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=1916,i,314327420825658876,14416994799072543658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1908 /prefetch:2
          3⤵
            PID:2192
          • 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=2160,i,314327420825658876,14416994799072543658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2168 /prefetch:3
            3⤵
              PID:1176
            • 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=2252,i,314327420825658876,14416994799072543658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2476 /prefetch:8
              3⤵
                PID:1636
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3196,i,314327420825658876,14416994799072543658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3216 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:1948
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3224,i,314327420825658876,14416994799072543658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3268 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:4864
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4584,i,314327420825658876,14416994799072543658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4300 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:216
              • 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=4648,i,314327420825658876,14416994799072543658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4792 /prefetch:8
                3⤵
                  PID:2908
                • 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,314327420825658876,14416994799072543658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4880 /prefetch:8
                  3⤵
                    PID:3952
                • C:\Users\Admin\AppData\Local\Temp\service123.exe
                  "C:\Users\Admin\AppData\Local\Temp\service123.exe"
                  2⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • System Location Discovery: System Language Discovery
                  PID:4876
                • C:\Windows\SysWOW64\schtasks.exe
                  "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
                  2⤵
                  • System Location Discovery: System Language Discovery
                  • Scheduled Task/Job: Scheduled Task
                  PID:2012
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 1636
                  2⤵
                  • Program crash
                  PID:4080
              • 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:764
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4840 -ip 4840
                  1⤵
                    PID:4356
                  • C:\Users\Admin\AppData\Local\Temp\service123.exe
                    C:\Users\Admin\AppData\Local\Temp\/service123.exe
                    1⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:2012

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • memory/2012-57-0x00000000007D0000-0x00000000007E2000-memory.dmp

                          Filesize

                          72KB

                        • memory/4840-0-0x0000000000780000-0x0000000000E52000-memory.dmp

                          Filesize

                          6.8MB

                        • memory/4840-2-0x0000000069CC0000-0x000000006A71B000-memory.dmp

                          Filesize

                          10.4MB

                        • memory/4840-11-0x0000000000780000-0x0000000000E52000-memory.dmp

                          Filesize

                          6.8MB

                        • memory/4840-23-0x0000000000780000-0x0000000000E52000-memory.dmp

                          Filesize

                          6.8MB

                        • memory/4840-43-0x0000000000780000-0x0000000000E52000-memory.dmp

                          Filesize

                          6.8MB

                        • memory/4876-45-0x00000000007D0000-0x00000000007E2000-memory.dmp

                          Filesize

                          72KB

                        • memory/4876-46-0x0000000073610000-0x0000000073744000-memory.dmp

                          Filesize

                          1.2MB