Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    02/10/2021, 01:57

General

  • Target
    f04df7f852cac1d70c7e8a5b746c2d81.exe
  • Size 613KB
  • Sample211002-cdbnmaddhp
  • SHA256 30afeeb95ae261026f5e0a300b4fa3b7a08a920cd7b0372cbc25cfb1abee4c04
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 2 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 38 IoCs
  • Suspicious use of SendNotifyMessage 35 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f04df7f852cac1d70c7e8a5b746c2d81.exe
    "C:\Users\Admin\AppData\Local\Temp\f04df7f852cac1d70c7e8a5b746c2d81.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        3⤵
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1444
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1444.0.1404737815\1804127816" -parentBuildID 20200403170909 -prefsHandle 1156 -prefMapHandle 1016 -prefsLen 1 -prefMapSize 219586 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1444 "\\.\pipe\gecko-crash-server-pipe.1444" 1228 gpu
          4⤵
            PID:808
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1444.3.636177398\1572024289" -childID 1 -isForBrowser -prefsHandle 5024 -prefMapHandle 5020 -prefsLen 122 -prefMapSize 219586 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1444 "\\.\pipe\gecko-crash-server-pipe.1444" 5036 tab
            4⤵
              PID:2568
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1444.13.1590558276\515225364" -childID 2 -isForBrowser -prefsHandle 1868 -prefMapHandle 1896 -prefsLen 988 -prefMapSize 219586 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1444 "\\.\pipe\gecko-crash-server-pipe.1444" 4708 tab
              4⤵
                PID:2892
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1444.20.1530598307\28746508" -childID 3 -isForBrowser -prefsHandle 2260 -prefMapHandle 5008 -prefsLen 6979 -prefMapSize 219586 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1444 "\\.\pipe\gecko-crash-server-pipe.1444" 3376 tab
                4⤵
                  PID:3016
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe"
              2⤵
              • Enumerates system info in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              PID:472
              • 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,0x7fef48f4f50,0x7fef48f4f60,0x7fef48f4f70
                3⤵
                  PID:2072
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1092,17525773963210831342,8984860525057616135,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1104 /prefetch:2
                  3⤵
                    PID:2360
                  • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1432 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2416
                  • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1748 /prefetch:8
                    3⤵
                      PID:2520
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1972 /prefetch:1
                      3⤵
                        PID:984
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2052 /prefetch:1
                        3⤵
                          PID:2764
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=4 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2132 /prefetch:1
                          3⤵
                            PID:2804
                          • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2872 /prefetch:8
                            3⤵
                              PID:1732
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1092,17525773963210831342,8984860525057616135,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=swiftshader-webgl --mojo-platform-channel-handle=2820 /prefetch:2
                              3⤵
                                PID:2068
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1092,17525773963210831342,8984860525057616135,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2860 /prefetch:1
                                3⤵
                                  PID:1544
                                • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2588 /prefetch:8
                                  3⤵
                                    PID:1180
                                  • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4156 /prefetch:8
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:2188
                                  • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4120 /prefetch:8
                                    3⤵
                                      PID:2284
                                    • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4104 /prefetch:8
                                      3⤵
                                        PID:1636
                                      • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4236 /prefetch:8
                                        3⤵
                                          PID:2104
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1092,17525773963210831342,8984860525057616135,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3960 /prefetch:1
                                          3⤵
                                            PID:2484
                                          • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4204 /prefetch:8
                                            3⤵
                                              PID:1940
                                            • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3976 /prefetch:8
                                              3⤵
                                                PID:2368
                                              • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3812 /prefetch:8
                                                3⤵
                                                  PID:1960
                                                • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3792 /prefetch:8
                                                  3⤵
                                                    PID:1260
                                                  • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3880 /prefetch:8
                                                    3⤵
                                                      PID:2580
                                                    • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3840 /prefetch:8
                                                      3⤵
                                                        PID:1196
                                                      • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3740 /prefetch:8
                                                        3⤵
                                                          PID:2396
                                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1092,17525773963210831342,8984860525057616135,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=24 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3744 /prefetch:1
                                                          3⤵
                                                            PID:1532
                                                          • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1740 /prefetch:8
                                                            3⤵
                                                            • Suspicious behavior: EnumeratesProcesses
                                                            PID:1636
                                                          • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1076 /prefetch:8
                                                            3⤵
                                                            • Suspicious behavior: EnumeratesProcesses
                                                            PID:2464
                                                          • 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=1092,17525773963210831342,8984860525057616135,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1088 /prefetch:8
                                                            3⤵
                                                              PID:1820
                                                          • C:\Windows\SysWOW64\cmd.exe
                                                            "cmd.exe" /C taskkill /F /PID 2024 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\f04df7f852cac1d70c7e8a5b746c2d81.exe"
                                                            2⤵
                                                            • Deletes itself
                                                            PID:2500
                                                            • C:\Windows\SysWOW64\taskkill.exe
                                                              taskkill /F /PID 2024
                                                              3⤵
                                                              • Kills process with taskkill
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              PID:484
                                                          • C:\Windows\SysWOW64\cmd.exe
                                                            "cmd.exe" /C taskkill /F /PID 2024 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\f04df7f852cac1d70c7e8a5b746c2d81.exe"
                                                            2⤵
                                                              PID:2540
                                                              • C:\Windows\SysWOW64\taskkill.exe
                                                                taskkill /F /PID 2024
                                                                3⤵
                                                                • Kills process with taskkill
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                PID:2752

                                                          Network

                                                                MITRE ATT&CK Enterprise v6

                                                                Replay Monitor

                                                                Loading Replay Monitor...

                                                                Downloads

                                                                memory/472-97-0x00000000062C0000-0x00000000062C1000-memory.dmp

                                                                memory/1444-155-0x000007FEF3580000-0x000007FEF36C3000-memory.dmp

                                                                memory/1444-156-0x000007FF1F270000-0x000007FF1F27A000-memory.dmp

                                                                memory/2024-57-0x0000000004B10000-0x0000000004BDD000-memory.dmp

                                                                memory/2024-55-0x0000000000400000-0x000000000051E000-memory.dmp

                                                                memory/2024-56-0x0000000004BE1000-0x0000000004BE2000-memory.dmp

                                                                memory/2024-60-0x0000000004BE3000-0x0000000004BE4000-memory.dmp

                                                                memory/2024-53-0x0000000004C20000-0x0000000004CEF000-memory.dmp

                                                                memory/2024-61-0x0000000004BE4000-0x0000000004BE6000-memory.dmp

                                                                memory/2024-58-0x0000000001F70000-0x0000000001F7B000-memory.dmp

                                                                memory/2024-59-0x0000000004BE2000-0x0000000004BE3000-memory.dmp

                                                                memory/2024-54-0x0000000001DC0000-0x0000000001E4E000-memory.dmp

                                                                memory/2360-87-0x00000000777C0000-0x00000000777C1000-memory.dmp