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Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2023, 01:13

General

  • Target

    http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/31e601a4-fc62-4f8c-a2e0-504db186136c?P1=1688799998&P2=404&P3=2&P4=cDOIaI3uDAet1xLRdJlwPCFQQYDLOvs0N3QAcGgbykyWt5OLNoON1VbSJWbOohRYhNhWpH/ybwGKfis3fDBAqw==msedge

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 35 IoCs
  • Modifies data under HKEY_USERS 1 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 24 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/31e601a4-fc62-4f8c-a2e0-504db186136c?P1=1688799998&P2=404&P3=2&P4=cDOIaI3uDAet1xLRdJlwPCFQQYDLOvs0N3QAcGgbykyWt5OLNoON1VbSJWbOohRYhNhWpH/ybwGKfis3fDBAqw==msedge
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2308 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1564
  • 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:4376
    • 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:7 --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=106.0.5249.119 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ff940489758,0x7ff940489768,0x7ff940489778
      2⤵
        PID:4404
      • 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 --mojo-platform-channel-handle=2016 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:8
        2⤵
          PID:540
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2980 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:1
          2⤵
            PID:3916
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2988 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:1
            2⤵
              PID:1556
            • 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=utility --mojo-platform-channel-handle=2272 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:8
              2⤵
                PID:4992
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1768 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:2
                2⤵
                  PID:940
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3284 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:1
                  2⤵
                    PID:2572
                  • 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 --mojo-platform-channel-handle=4748 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:8
                    2⤵
                      PID:4308
                    • 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 --mojo-platform-channel-handle=5040 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:8
                      2⤵
                        PID:948
                      • 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 --mojo-platform-channel-handle=4884 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:8
                        2⤵
                          PID:2404
                        • 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 --mojo-platform-channel-handle=4752 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:8
                          2⤵
                            PID:4292
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=4924 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:1
                            2⤵
                              PID:2440
                            • 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 --mojo-platform-channel-handle=5452 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:8
                              2⤵
                                PID:5068
                              • 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 --mojo-platform-channel-handle=5688 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:8
                                2⤵
                                  PID:3884
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5452 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:8
                                  2⤵
                                    PID:2224
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5460 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:8
                                    2⤵
                                      PID:2996
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4852 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:8
                                      2⤵
                                        PID:1612
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4784 --field-trial-handle=2140,i,9201821117748081761,11155448694029420682,131072 /prefetch:8
                                        2⤵
                                          PID:3860
                                      • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                                        "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                                        1⤵
                                          PID:3736
                                        • C:\Windows\System32\rundll32.exe
                                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                          1⤵
                                            PID:380
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k SDRSVC
                                            1⤵
                                              PID:4224

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                                              Filesize

                                              1KB

                                              MD5

                                              364d28921eea385d470b5e969af06469

                                              SHA1

                                              949cab06bb3ebe2caa288f741abf3cb207b39951

                                              SHA256

                                              b8627f41f839736bcce201a7813a4009a9da0540719d99cde05da343ed3bbdf4

                                              SHA512

                                              51a0c138891d73a477bf621db120312f1245b5b8825d072755c237e8dadba6b19eafb9b03b0d261b19b910542b3aa06d3d092926cfeceb3e9fa28929a3e7bede

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                                              Filesize

                                              371B

                                              MD5

                                              34361419f3e44da5aa86912a0f3cbc56

                                              SHA1

                                              80372db1717194ccc5ba3c15ab4b2995f2cf1318

                                              SHA256

                                              4646719bd610ae1c4619b5d1032caacaac95a225be4471c6ff4303df3ad7bf09

                                              SHA512

                                              32d942f432b188799243b264e74eb03debb77512d460744a271e7c016a3c7c7932f359603755d543644fc653cbd5685e17f8b64aae0d4889a2fefe9235d2f969

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                              Filesize

                                              6KB

                                              MD5

                                              3677f1612661ea3b9730951cfa421875

                                              SHA1

                                              a115466957b9a49cbaf7dac3b6cb9e61e815046a

                                              SHA256

                                              f64de6f43b40da59f7f0d1c99f94bb49a809548efe933ea21ef7fcd651541fcc

                                              SHA512

                                              3b7069f99de925fa7e528b5a0ecb3c90798aa4cb9ee05f458b0996bc90b55f77373e384c80538556eeb671431156bfa0506be49cde2251be39995ba915a32a7a

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                              Filesize

                                              89KB

                                              MD5

                                              89e9bdff2a32a3df3c604643f97acf50

                                              SHA1

                                              6fc623e57bf440896e04c4630a837a8a9ef7d931

                                              SHA256

                                              afcb1af658dc2f1db0e11b30f547d91e152f69f9d613e52df8cf67bc4b796bee

                                              SHA512

                                              f21137e6eed4f5c439cde00108ac77e15b8fb946553b10d67770b52c1b397d38ffd7f9ffc0cd02caeb865d5a6f39d5ccd541ba17587e7e74645881307205c6c2

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                              Filesize

                                              89KB

                                              MD5

                                              675ad9d76b90283af0ab9a7cd8dd9490

                                              SHA1

                                              ca54440018c24c2441ff60eddad252a56ea6b7f0

                                              SHA256

                                              c9b14fd09bb36c7864da33d917aa4ce9e55d434373338c862adf8da39b025620

                                              SHA512

                                              944f047d43ff6a8ab069f7cf5d233d8cf9efcaad8b680dae59e08295ffdcefebb7ce185188d966d36ba2230ac76fa3d77f68d241ee5249e0baf118e020962e12

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                              Filesize

                                              90KB

                                              MD5

                                              931d290080f05126e20106dbcca35721

                                              SHA1

                                              042aa65ad525d982afc454643d654407dffd84ca

                                              SHA256

                                              d13167add55501665ee666ed0785835d661588de9e85c99f4a28212966a738cd

                                              SHA512

                                              2d240e2641d8a2d35bd1858d55426d7125fa7cdc0112130d924aa36ddc88d3efc9f1c2a6ba9b5710b9c855a5b5a177e91d05895d074536c2a0b6a301a85f636f

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                              Filesize

                                              109KB

                                              MD5

                                              e0fc2e5a01fa8f4fa694f38ef6861389

                                              SHA1

                                              c375d2c1c0d2a41f50565a92a93f24f79e90e604

                                              SHA256

                                              b5be824d19a45b74c0ab67c8e936d4cb2f49d32c2b496838deaa0383c9531d2b

                                              SHA512

                                              cb8f8a58c5205c012d70ca9a3b1d6e9f6c37b1f174c33b06e5f917ab0029244c15757b19c90cdf5b5f7cc85cc933bab6df74dc8cb5f186a140c7797e8eca6e42

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                                              Filesize

                                              2B

                                              MD5

                                              99914b932bd37a50b983c5e7c90ae93b

                                              SHA1

                                              bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                              SHA256

                                              44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                              SHA512

                                              27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                                            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\42JDD8EA\suggestions[1].en-US

                                              Filesize

                                              17KB

                                              MD5

                                              5a34cb996293fde2cb7a4ac89587393a

                                              SHA1

                                              3c96c993500690d1a77873cd62bc639b3a10653f

                                              SHA256

                                              c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                                              SHA512

                                              e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

                                            • C:\Users\Admin\Downloads\31e601a4-fc62-4f8c-a2e0-504db186136c.crdownload

                                              Filesize

                                              1.5MB

                                              MD5

                                              ca25c4e4c426c960f000cdb926a3c25a

                                              SHA1

                                              9f5c3fd026c870cea5492e8384a15962ab306a3a

                                              SHA256

                                              7724306525ec5d83c651a0f3273c3b102168b57461be4f214cf6e6d0736f3787

                                              SHA512

                                              fa7dea6bbc017faa3a80e449b4d62afd3c6a85b7e06c52ff0382d722ad7e4dc14fda1a182d83474ee168d9c5bd7596da20d853c680adbd1ad22b166ec1d035cb