Analysis

  • max time kernel
    53s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2023 15:32

General

  • Target

    https://jimdo-storage.global.ssl.fastly.net/file/cc5d4f52-9d91-44df-9819-a34f0091c46b/wokakab.pdf

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://jimdo-storage.global.ssl.fastly.net/file/cc5d4f52-9d91-44df-9819-a34f0091c46b/wokakab.pdf
    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:5084
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7fff5caa9758,0x7fff5caa9768,0x7fff5caa9778
      2⤵
        PID:4700
      • 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=1636 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:2
        2⤵
          PID:3488
        • 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=2028 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:8
          2⤵
            PID:3952
          • 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=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:8
            2⤵
              PID:972
            • 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=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2928 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:1
              2⤵
                PID:1368
              • 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=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2936 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:1
                2⤵
                  PID:2748
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4628 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:1
                  2⤵
                    PID:4124
                  • 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 --pdf-renderer --lang=en-US --js-flags=--jitless --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=5040 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:1
                    2⤵
                      PID:1164
                    • 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=5436 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:8
                      2⤵
                        PID:4472
                      • 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=3916 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:8
                        2⤵
                          PID:1308
                        • 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=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=5608 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:1
                          2⤵
                            PID:2788
                          • 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=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=5704 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:1
                            2⤵
                              PID:1396
                            • 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=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=3524 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:1
                              2⤵
                                PID:1664
                              • 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=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=5064 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:1
                                2⤵
                                  PID:2472
                                • 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=4 --enable-main-frame-before-activation --renderer-client-id=15 --mojo-platform-channel-handle=3508 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:1
                                  2⤵
                                    PID:4400
                                  • 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=4 --enable-main-frame-before-activation --renderer-client-id=16 --mojo-platform-channel-handle=2972 --field-trial-handle=1900,i,15162994514572830268,17178902345220922691,131072 /prefetch:1
                                    2⤵
                                      PID:3832
                                  • 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:3380

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    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

                                      192B

                                      MD5

                                      d14c27af383a487a0d2503ab8afedc79

                                      SHA1

                                      c09bc561f2b2e576d500785a3aef832afd7c2cf3

                                      SHA256

                                      d20b9a5a7f027c0cb8382c3d95959ffddce1682529fa3374bfa2ed811717e28b

                                      SHA512

                                      71d3217c4a165cf571ca8256af0c0ee9c25e3e41567ab42f068f8b8a331714163cbd2e954284c7fd69c1be59c8171fe725853abd4cf1c8898a25439e00bad2d4

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

                                      Filesize

                                      538B

                                      MD5

                                      91909db32fe074c16042f8cd5ec47640

                                      SHA1

                                      7f3c85a0b910302595ea9e574a8864ba00879e38

                                      SHA256

                                      25ee3aacf887d4435d72dbed80a64444443442265ccf245e7e721c29a36818fe

                                      SHA512

                                      d0e0c10c9c0eba519fa53d699c8a0bf33bbe0dc6ace541c3ed8b685904cdf1a4cae8507fd1cc910e12f53eb3372bf7d15a25c2f8522ec80659af91ead10e5a22

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

                                      Filesize

                                      6KB

                                      MD5

                                      3ce15024a8bbf66c06a8d17b92502260

                                      SHA1

                                      49a066bf0342b75415ea83cead2532de69937f3d

                                      SHA256

                                      9b195d237764bbab91fd5bfd3634f825dbfee971c03b65a91a20ccfe3d31714e

                                      SHA512

                                      b65cba2691326777456850d4804247838fbac187a982edd8ecbde9296ddaf7c283c89d622f8be418fa25aef107ef48ff2c48b99fc312f3f91904569fa1f68a3e

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

                                      Filesize

                                      6KB

                                      MD5

                                      8953763e5e2bf7a6bae7c23ee0d9b8cb

                                      SHA1

                                      9681d13561a8558dbc2297fd0c0ee79044f758fe

                                      SHA256

                                      00402482dc6f3c8e8d823e64b3613d606c0d37df57943d3e271bbe7f21aff981

                                      SHA512

                                      3a23073f1123711baf59be47bc682ae87597ca05c43fb1057254aa044d56a2989a70e0a4e5abcb65676ac68ac33214f876d5c97f00cac0c8842d9212493d6916

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

                                      Filesize

                                      6KB

                                      MD5

                                      a28427bcf5bfdc392366c4e9687b3d51

                                      SHA1

                                      db5e56006aec4ba90dc026b0ded4fd49358df701

                                      SHA256

                                      6c27a4d23a82e799b8313b0b494b7ac89d45f2c6b1e37c6c07bdc0cf8b96bba4

                                      SHA512

                                      59231640b486b5f754f53e0416b2bfb9ab1228e46659e1b608399a34eb3d864dea76839d473f2312a8ea91540a8379c88f4fad1723096ab5b8404ffc4623b5ae

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

                                      Filesize

                                      109KB

                                      MD5

                                      0957267e173663a0428a5b80ceb569db

                                      SHA1

                                      5d06c80fcb4ef76dab92cebf2ca7af5594396eb1

                                      SHA256

                                      2e3a1aa05cac7eefe538ae73cdad6b2ca333ff94e05ab2b80141b8657f6a42ef

                                      SHA512

                                      449e61e92e6a873c210b79e1ebeec38a517f72aa8e7ef407fd84781d2888af11cb67c741ea45d92e9bb837db30d42fff0c2359a2b718d8d823baef9307df7854

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

                                      Filesize

                                      2B

                                      MD5

                                      99914b932bd37a50b983c5e7c90ae93b

                                      SHA1

                                      bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                      SHA256

                                      44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                      SHA512

                                      27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd