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Analysis

  • max time kernel
    141s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/05/2024, 20:42

General

  • Target

    http://pdftoolpro.com/pdf?cid=KZBWsyvwPpiR36d&gclid=EAIaIQobChMI2KbDpbCChgMVEhyDAx0XNgLtEAEYASAAEgKlsfD_BwE

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 24 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://pdftoolpro.com/pdf?cid=KZBWsyvwPpiR36d&gclid=EAIaIQobChMI2KbDpbCChgMVEhyDAx0XNgLtEAEYASAAEgKlsfD_BwE
    1⤵
      PID:1620
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --mojo-platform-channel-handle=5056 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:1
      1⤵
        PID:3780
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --mojo-platform-channel-handle=4764 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:1
        1⤵
          PID:4756
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2604 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:1824
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --mojo-platform-channel-handle=5432 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:1
            1⤵
              PID:464
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --mojo-platform-channel-handle=3700 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:1
              1⤵
                PID:4636
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=4724 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
                1⤵
                  PID:380
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=23 --mojo-platform-channel-handle=4832 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:1
                  1⤵
                    PID:3856
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4980 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
                    1⤵
                      PID:4092
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --lang=en-US --service-sandbox-type=collections --no-appcompat-clear --mojo-platform-channel-handle=3688 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
                      1⤵
                        PID:180
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=26 --mojo-platform-channel-handle=5460 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:1
                        1⤵
                          PID:4956
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=6968 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
                          1⤵
                            PID:920
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --mojo-platform-channel-handle=6968 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
                            1⤵
                              PID:4020
                            • C:\Windows\System32\msiexec.exe
                              "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\Downloads\FreePDF_48835996.msi"
                              1⤵
                              • Enumerates connected drives
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of FindShellTrayWindow
                              PID:3036
                            • C:\Windows\System32\msiexec.exe
                              "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\Downloads\FreePDF_48835996.msi"
                              1⤵
                              • Enumerates connected drives
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of FindShellTrayWindow
                              PID:3628
                            • C:\Windows\system32\msiexec.exe
                              C:\Windows\system32\msiexec.exe /V
                              1⤵
                              • Enumerates connected drives
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              PID:1964
                              • C:\Windows\syswow64\MsiExec.exe
                                C:\Windows\syswow64\MsiExec.exe -Embedding 18FDED95622A3DB1B5D63B8A91183A0D C
                                2⤵
                                • Loads dropped DLL
                                • Suspicious use of WriteProcessMemory
                                PID:1716
                                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                  -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\pss44E2.ps1" -propFile "C:\Users\Admin\AppData\Local\Temp\msi4433.txt" -scriptFile "C:\Users\Admin\AppData\Local\Temp\scr4453.ps1" -scriptArgsFile "C:\Users\Admin\AppData\Local\Temp\scr4454.txt" -propSep " :<->: " -lineSep " <<:>> " -testPrefix "_testValue."
                                  3⤵
                                  • Command and Scripting Interpreter: PowerShell
                                  PID:1800
                              • C:\Windows\syswow64\MsiExec.exe
                                C:\Windows\syswow64\MsiExec.exe -Embedding C33C16A8B7B785DF699A1D109E8863D2 C
                                2⤵
                                • Loads dropped DLL
                                • Suspicious use of WriteProcessMemory
                                PID:4172
                                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                  -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\pss4494.ps1" -propFile "C:\Users\Admin\AppData\Local\Temp\msi4452.txt" -scriptFile "C:\Users\Admin\AppData\Local\Temp\scr4463.ps1" -scriptArgsFile "C:\Users\Admin\AppData\Local\Temp\scr4474.txt" -propSep " :<->: " -lineSep " <<:>> " -testPrefix "_testValue."
                                  3⤵
                                  • Command and Scripting Interpreter: PowerShell
                                  PID:4544
                              • C:\Windows\syswow64\MsiExec.exe
                                C:\Windows\syswow64\MsiExec.exe -Embedding 4B144990093BEEA6DED8587B0F4B940B C
                                2⤵
                                • Loads dropped DLL
                                • Suspicious use of WriteProcessMemory
                                PID:2096
                                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                  -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\pss4A70.ps1" -propFile "C:\Users\Admin\AppData\Local\Temp\msi4A4E.txt" -scriptFile "C:\Users\Admin\AppData\Local\Temp\scr4A4F.ps1" -scriptArgsFile "C:\Users\Admin\AppData\Local\Temp\scr4A50.txt" -propSep " :<->: " -lineSep " <<:>> " -testPrefix "_testValue."
                                  3⤵
                                  • Command and Scripting Interpreter: PowerShell
                                  PID:2392
                              • C:\Windows\syswow64\MsiExec.exe
                                C:\Windows\syswow64\MsiExec.exe -Embedding 68CA4EED70B2575F9E0F3986173D8CD4 C
                                2⤵
                                • Loads dropped DLL
                                • Suspicious use of WriteProcessMemory
                                PID:5432
                                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                  -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\pssD172.ps1" -propFile "C:\Users\Admin\AppData\Local\Temp\msiD150.txt" -scriptFile "C:\Users\Admin\AppData\Local\Temp\scrD151.ps1" -scriptArgsFile "C:\Users\Admin\AppData\Local\Temp\scrD162.txt" -propSep " :<->: " -lineSep " <<:>> " -testPrefix "_testValue."
                                  3⤵
                                  • Command and Scripting Interpreter: PowerShell
                                  PID:5608
                            • C:\Windows\System32\rundll32.exe
                              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                              1⤵
                                PID:3720
                              • C:\Windows\System32\msiexec.exe
                                "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\Downloads\FreePDF_48835996.msi"
                                1⤵
                                • Enumerates connected drives
                                • Suspicious use of FindShellTrayWindow
                                PID:2796
                              • C:\Windows\System32\msiexec.exe
                                "C:\Windows\System32\msiexec.exe" /f "C:\Users\Admin\Downloads\FreePDF_48835996.msi"
                                1⤵
                                  PID:5284
                                • C:\Windows\System32\msiexec.exe
                                  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\Downloads\FreePDF_48835996.msi"
                                  1⤵
                                  • Enumerates connected drives
                                  • Suspicious use of FindShellTrayWindow
                                  PID:5356

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\MSI394B.tmp

                                  Filesize

                                  759KB

                                  MD5

                                  a2317ebf66616e3b13218b2b9739cf74

                                  SHA1

                                  9fbdf90fb9d2bc93f025c16c94347eb817908d9d

                                  SHA256

                                  d6a3c9c614fa4491a1bd988d86687515e15edf7e0cfde2159d0850bf2c5c7c89

                                  SHA512

                                  8d11a2174e3ac7eefc776ff3d95ac65517c4af78f2880b84c6ce1ed65990e769cdbd5cc3d5755cc0dd9fc69a7c2408b32dde6205503f9a67ec96008c87b1f2e3

                                • C:\Users\Admin\AppData\Local\Temp\MSICD0F.tmp

                                  Filesize

                                  738KB

                                  MD5

                                  d0c9613582605f3793fdad7279de428b

                                  SHA1

                                  8b3e9fb67c7beb20706544d360ee13c3aad9c1d1

                                  SHA256

                                  8bd84f1156ebdfa44afaac8a4579ba56a8c7513e3d51e00822167ea144923726

                                  SHA512

                                  3640a0f53730cad7323473f99a2049833db58eaed00f94b75b4a03b07cc8af99c104a40b2e888307055a5c9740b5fea4b394aa15bc78a3102088cc0770713eac

                                • memory/1800-83-0x0000000004C70000-0x0000000004CA6000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/5608-111-0x0000000004EF0000-0x0000000005518000-memory.dmp

                                  Filesize

                                  6.2MB