Analysis

  • max time kernel
    53s
  • max time network
    56s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24-03-2023 12:52

General

  • Target

    https://www.dropbox.com/scl/fi/0vz1pb5izpzr1y3r1oqbu/Preview-the-paper-document-below.paper?dl=0&rlkey=wrhdq4a45ncf3a4lhscuv58z9

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://www.dropbox.com/scl/fi/0vz1pb5izpzr1y3r1oqbu/Preview-the-paper-document-below.paper?dl=0&rlkey=wrhdq4a45ncf3a4lhscuv58z9
    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:3680
    • 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=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffeed719758,0x7ffeed719768,0x7ffeed719778
      2⤵
        PID:3656
      • 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=1600 --field-trial-handle=1732,i,7215081076170284658,13044633119303650097,131072 /prefetch:2
        2⤵
          PID:2104
        • 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=1996 --field-trial-handle=1732,i,7215081076170284658,13044633119303650097,131072 /prefetch:8
          2⤵
            PID:4348
          • 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=2092 --field-trial-handle=1732,i,7215081076170284658,13044633119303650097,131072 /prefetch:8
            2⤵
              PID:4212
            • 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=2952 --field-trial-handle=1732,i,7215081076170284658,13044633119303650097,131072 /prefetch:1
              2⤵
                PID:3888
              • 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=2940 --field-trial-handle=1732,i,7215081076170284658,13044633119303650097,131072 /prefetch:1
                2⤵
                  PID:2928
                • 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=4428 --field-trial-handle=1732,i,7215081076170284658,13044633119303650097,131072 /prefetch:1
                  2⤵
                    PID:4024
                  • 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=5344 --field-trial-handle=1732,i,7215081076170284658,13044633119303650097,131072 /prefetch:8
                    2⤵
                      PID:3576
                    • 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=5064 --field-trial-handle=1732,i,7215081076170284658,13044633119303650097,131072 /prefetch:8
                      2⤵
                        PID:2592
                      • 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=10 --mojo-platform-channel-handle=5384 --field-trial-handle=1732,i,7215081076170284658,13044633119303650097,131072 /prefetch:1
                        2⤵
                          PID:4764
                        • 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=5512 --field-trial-handle=1732,i,7215081076170284658,13044633119303650097,131072 /prefetch:8
                          2⤵
                            PID:4952
                          • 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=5340 --field-trial-handle=1732,i,7215081076170284658,13044633119303650097,131072 /prefetch:8
                            2⤵
                              PID:4980
                          • 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:3976

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

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                            Downloads

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                              Filesize

                              2KB

                              MD5

                              b83768013b375a0db709eacd3e26e4d7

                              SHA1

                              2825d7266e7df5b4eafacca90926f88d8e9856c7

                              SHA256

                              f8c5648d86b28a6b4b3ef017146dccc23bb28d033f43a0bbf7624428f6f88eba

                              SHA512

                              066989dc044610a7d000fd23d64d14d6caaeead79e83517d2cab43701405a384f258bc5bd643dc5e9559d9558f726445cbcbe8a52010bff9b2431ef5d68f3d72

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

                              Filesize

                              1KB

                              MD5

                              bb47c327b7336c153138e8be0e37db36

                              SHA1

                              8f3dd2e222d5b18f7dafd4087cf7264b4127d898

                              SHA256

                              3b4c701b47477b29e6d8ec65b1ae4cbada02ae7ed74def6f295150fa45943e8e

                              SHA512

                              b1b78a09ab7785446b047c05e60a3fd568d0f03dae846e15db35b424e71a9074ed4bc3ed9b1140b272c5cad65995e6e656ffe62a7f813c7f83512606501fa41f

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

                              Filesize

                              1KB

                              MD5

                              ce9d6737e84fd4e8df314d1ec35f9c87

                              SHA1

                              ad1f3843d5a6e13def5c21250857893541d9887d

                              SHA256

                              43ce65ad508a93df9d0bc9b9e5e6fd6694db0fb1051a42f48b4c8e48a2db7a86

                              SHA512

                              fdb588d7b31212606013c3fc0f7da50544d0133df52cbf41c8fdd1e67cf51beea762fab1c849af6ca9cc36d652f4fdac8ab613b72fb1431617d8ced7cbea1dd7

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

                              Filesize

                              1KB

                              MD5

                              01a2fe6c5b8a3845c700faf8406811d7

                              SHA1

                              27a9a17d97677de1a60bf44d0cc579b4abd59d88

                              SHA256

                              c95355bd00fc465b0c800e71041611f3a4f0991b7227a5a9cd5bf66fa6737775

                              SHA512

                              469055a9c54e794d79811978bc89385f650f9d53fe572028121062f403f9605762b32322be3c8b015bb469f3879a49d7de39de5e031b8f55a090689443689166

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

                              Filesize

                              1KB

                              MD5

                              93195ffc84f3dadea357866ac4343c35

                              SHA1

                              bc65b8fab462fbca4aee1a6c3e5540e826accec9

                              SHA256

                              917eba9672f9cc9f29a789b60fe976dbc7bb3f383fa281fcd20d4baeb39fbd4b

                              SHA512

                              bb7f128a46eb2db100bde62fb046bba0f3bcb12e7c5d3da5389de73cbc63370013bee724fd8807e579ae686fca4a61286945e65e2dfc9cf3b05165525929a924

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

                              Filesize

                              5KB

                              MD5

                              4c901a99a3cce32de14f0779743bf6c3

                              SHA1

                              d4b7b867cf829099243e8c4ff49f23f3d33207d4

                              SHA256

                              a5c388aa4dfb66e9d3c2f0e4c303b96d0b261583553bf1d028cdf6313b473664

                              SHA512

                              11e2107e4fc6754b2df7b582481ecddfe93a58a3fc749b44a4c62600a85743fddc36f7bbc8bd920560fcc55105ecad1fcfc63428dc18509ef080ece486b4b1f3

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

                              Filesize

                              5KB

                              MD5

                              a9ede22de617e41d218a83b3841e100c

                              SHA1

                              5f04918e48ad01f4a6cfe664009bb1391b7db0aa

                              SHA256

                              628b89373fa085101492aa75f4562d7ff7476cb9621edc86d6b7ba39f62227fc

                              SHA512

                              8db2ed6f782d41c69f1bfa0b1c1f9845a7bed0642099760e7f80cbd6ee4a5804af77c3badd6f3b2151ab9007716c7ac883aa19aa6f572604b321d209c3f3a723

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

                              Filesize

                              5KB

                              MD5

                              ddb52cc511f1a4a9d729899277b3e0ec

                              SHA1

                              4905bc52a7c519fa68c79f22586fcd2fdce0379c

                              SHA256

                              95c327b2d50da15e57e6358fdbf9b7e87f319e8d9ce970ed7f764430bdce18ba

                              SHA512

                              3cb73356215b705ada6c53d6eefb7aec0fc673fbc5491625904ce5106128f89f94f2cf01459f1e9043b4a8e9e97cc29bfd106b84116ac81b23968011f6f8af90

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

                              Filesize

                              146KB

                              MD5

                              95633e0eb985a80aaab20b418d864579

                              SHA1

                              87c1aa46e68c1d1565229ad95aaf2336b6807858

                              SHA256

                              1a2458506007b3d07b4c7b97e218749af80ccd3978658591ebbd759adff8c031

                              SHA512

                              79f61136f89e7a4ee2e72fe5dcf5c75978bb40754225a9607bdc17c0eca3232cb1f29e30d3ea82eb3329c73378ec166fe3be56cd871c0cc754e6de6ab9ec2f22

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

                              Filesize

                              146KB

                              MD5

                              cd3ef5331c5ded60d830560cef27fa52

                              SHA1

                              5e0fc142dedfc27cf42b7949df9579c406f10ef1

                              SHA256

                              97d1b23fbd423a749420a8056a779c3d98377ee920ad105f564aa2ef3dc3a837

                              SHA512

                              60f0095f6661d585e8f9cc5c3d331ca50ab18a369541a0f0e39960e506f44f7ab35312caaec3bc25120937d0e2707227ca8ab979678ff9f059615fea741e4534

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

                              Filesize

                              146KB

                              MD5

                              146f832a187b16f7813b01bb74a5265d

                              SHA1

                              23595645d70f55b8bd21c27671c6ad9156abc277

                              SHA256

                              b169d1cb30d05dd96b59e827de365f35d39c224bb3faf0f1dfca582ff856b172

                              SHA512

                              327fdc8750866d2181143e0da155dd33cff770225baa11ccaf07d063211a92a5f8794cb27094690f1669c50d520e2fbab74e8d62e2210517bd45c822cc5a498b

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

                              Filesize

                              72KB

                              MD5

                              3da9709ebc4da32909299e1bb3477fc6

                              SHA1

                              1a16bdb711bd4b352b60d8252935ce71f9b16282

                              SHA256

                              78375c90daad5048a07292c7a2637a8bb1429ed351a8cd46d8e2ba80a267fa01

                              SHA512

                              a185e40936a6694478dd1f65be19af4c6d0a58ca4b43102bee1abc0908024d3fb9c1d8b08826f70223c6bb9c04ecea8839cd894e7522729f46ad459414de7dd6

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache

                              Filesize

                              98KB

                              MD5

                              1e00475cc14083f8a7540c4b1dd31835

                              SHA1

                              88d54479a7c22e69d2b735e4f0e36ce5dbbafb39

                              SHA256

                              ec4fabf672c6eb5331af86321ba73497a11f523016485351a66c325555a3a338

                              SHA512

                              99434b643dfa782c26b6505efb3cc638c2771a461d88316f9e3b76eb4f2c88183e71e18bef9f7d487d7f557ae12db0b41b1f01ca302f2d1a084a6385aca2b434

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe56f1a8.TMP

                              Filesize

                              93KB

                              MD5

                              427048785db3efb66136d712b0f45d91

                              SHA1

                              cac8fef9f6f61c8dd725386e3da49bbf3097b95b

                              SHA256

                              2d5bb9297cd5a4051db8468e8c14b225fa477856b54b1b8dd4a4a8a9dc5ef9ac

                              SHA512

                              77465dbaa0b5599eddb185c5257da789ef7de95533612b2121430b9c73ad51ac2c0f6e866ad0ce55025645f958dd00b5a120ba4090299cb654ad114972231eb5

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

                              Filesize

                              2B

                              MD5

                              99914b932bd37a50b983c5e7c90ae93b

                              SHA1

                              bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                              SHA256

                              44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                              SHA512

                              27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd