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Resubmissions

23/12/2022, 10:41

221223-mq3b8abe4x 1

23/12/2022, 10:35

221223-mm5ceagd22 8

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23/12/2022, 10:41

General

  • Target

    http://download.cdn.mozilla.net/pub/firefox/releases/72.0.2/update/win64/en-US/firefox-71.0-72.0.2.partial.mar

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 63 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 33 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://download.cdn.mozilla.net/pub/firefox/releases/72.0.2/update/win64/en-US/firefox-71.0-72.0.2.partial.mar
    1⤵
    • Modifies Internet Explorer Phishing Filter
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1368 CREDAT:275457 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:664
    • C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE" /NOSTARTUP /SHELLSYSTEM [OpenReport "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\TAR9OKL9\firefox-71.0-72.0.2.partial.mar", 2]
      2⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1060
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:972
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x498
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1488
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1616
      • 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=89.0.4389.114 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef58f4f50,0x7fef58f4f60,0x7fef58f4f70
        2⤵
          PID:1612
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1124 /prefetch:2
          2⤵
            PID:1772
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1256 /prefetch:8
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:860
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1788 /prefetch:8
            2⤵
              PID:1872
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1960 /prefetch:1
              2⤵
                PID:1368
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1984 /prefetch:1
                2⤵
                  PID:1816
                • 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 --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2340 /prefetch:8
                  2⤵
                    PID:2084
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=swiftshader-webgl --mojo-platform-channel-handle=3232 /prefetch:2
                    2⤵
                      PID:2164
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3356 /prefetch:1
                      2⤵
                        PID:2208
                      • 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 --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3400 /prefetch:8
                        2⤵
                          PID:2268
                        • 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 --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3712 /prefetch:8
                          2⤵
                            PID:2308
                          • 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 --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3696 /prefetch:8
                            2⤵
                              PID:2316
                            • 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 --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3796 /prefetch:8
                              2⤵
                                PID:2324
                              • 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 --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=540 /prefetch:8
                                2⤵
                                  PID:2548
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2956 /prefetch:8
                                  2⤵
                                    PID:2592
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1104,11194921555541981915,18133614243998687525,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3528 /prefetch:8
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:2640

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\TAR9OKL9\firefox-71.0-72.0.2.partial.mar.65bi63v.partial

                                  Filesize

                                  20.3MB

                                  MD5

                                  cbb5c45b084982f331963e53ce1018d3

                                  SHA1

                                  790dc9f80884ff2ad88627e29b55cfd8058c94c7

                                  SHA256

                                  909812f6cd8c68d016297f479473253edcdaf8728cc047759cf944f0a7c3d1fc

                                  SHA512

                                  81da0af34c61d61ea0cbe9c1cbfdcbf0a6c6260614b7625a9cce07e3846260b45198967dbd0ad958a27eddbc0d538cfef2e250ace5c25ea3c02eb2bb2010fa06

                                • memory/972-61-0x000007FEFB641000-0x000007FEFB643000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1060-56-0x0000000074E41000-0x0000000074E43000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1060-57-0x000000002F061000-0x000000002F063000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1060-58-0x000000006F241000-0x000000006F243000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1060-59-0x000000007022D000-0x0000000070238000-memory.dmp

                                  Filesize

                                  44KB

                                • memory/1060-60-0x000000007022D000-0x0000000070238000-memory.dmp

                                  Filesize

                                  44KB