Resubmissions

04-01-2023 16:54

230104-vennpacc51 10

04-01-2023 10:05

230104-l4n63sad8s 10

Analysis

  • max time kernel
    1616s
  • max time network
    1589s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2023 10:05

General

  • Target

    NitroRansomware.exe

  • Size

    61KB

  • MD5

    a0c0192c30c048044421d25c23501582

  • SHA1

    d6080d25a6439238d0a8e90e6bbfc229680ecf3b

  • SHA256

    eeee4913ce5c133dfc97b42d9736ee144686682d98c9a00dc69f3993a3da1db1

  • SHA512

    af11e4b7d07c68d06caa9a1da4bb888e4c131f109b2bc1c7835a06be73591e4e66109532c70f4f7d3eddcb43a23ce9c4111fe44b60b73ea6bd07490546db756b

  • SSDEEP

    768:K3KsMqCXfVcWlQM9ZkCANIUL5PGLDwUzc80gmq3oP/oDy:KKseSM9ZkCAPor/0O8/oO

Malware Config

Signatures

  • Nitro

    A ransomware that demands Discord nitro gift codes to decrypt files.

  • Modifies extensions of user files 8 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 5 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 37 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NitroRansomware.exe
    "C:\Users\Admin\AppData\Local\Temp\NitroRansomware.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4696
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4884
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4824
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1640
  • 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 behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1196
    • 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=0x120,0x124,0x128,0xfc,0x12c,0x7ff8bab14f50,0x7ff8bab14f60,0x7ff8bab14f70
      2⤵
        PID:3620
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1620,2713110335576315031,17656247633576353508,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1640 /prefetch:2
        2⤵
          PID:4324
        • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2012 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1116
        • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2276 /prefetch:8
          2⤵
            PID:1692
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2968 /prefetch:1
            2⤵
              PID:4700
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3160 /prefetch:1
              2⤵
                PID:4612
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1620,2713110335576315031,17656247633576353508,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3856 /prefetch:1
                2⤵
                  PID:4784
                • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4044 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1052
                • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4492 /prefetch:8
                  2⤵
                    PID:5056
                  • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4648 /prefetch:8
                    2⤵
                      PID:1256
                    • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4788 /prefetch:8
                      2⤵
                        PID:3652
                      • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4692 /prefetch:8
                        2⤵
                          PID:3736
                        • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4644 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3760
                        • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4812 /prefetch:8
                          2⤵
                            PID:4992
                          • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4592 /prefetch:8
                            2⤵
                              PID:4528
                            • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4588 /prefetch:8
                              2⤵
                                PID:1764
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1620,2713110335576315031,17656247633576353508,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4472 /prefetch:1
                                2⤵
                                  PID:3560
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1620,2713110335576315031,17656247633576353508,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4964 /prefetch:1
                                  2⤵
                                    PID:1112
                                  • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2780 /prefetch:8
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:2976
                                  • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2508 /prefetch:8
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:2324
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1620,2713110335576315031,17656247633576353508,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5296 /prefetch:1
                                    2⤵
                                      PID:3728
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1620,2713110335576315031,17656247633576353508,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=22 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4824 /prefetch:1
                                      2⤵
                                        PID:764
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1620,2713110335576315031,17656247633576353508,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=23 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2112 /prefetch:1
                                        2⤵
                                          PID:2116
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1620,2713110335576315031,17656247633576353508,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=24 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3740 /prefetch:1
                                          2⤵
                                            PID:2580
                                          • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3960 /prefetch:8
                                            2⤵
                                              PID:1780
                                            • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3352 /prefetch:8
                                              2⤵
                                                PID:5044
                                              • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3264 /prefetch:8
                                                2⤵
                                                  PID:4336
                                                • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4836 /prefetch:8
                                                  2⤵
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  PID:3244
                                                • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2640 /prefetch:8
                                                  2⤵
                                                    PID:4040
                                                  • 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=1620,2713110335576315031,17656247633576353508,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4872 /prefetch:8
                                                    2⤵
                                                      PID:2876
                                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1620,2713110335576315031,17656247633576353508,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=4656 /prefetch:2
                                                      2⤵
                                                      • Suspicious behavior: EnumeratesProcesses
                                                      PID:5108
                                                  • C:\Windows\System32\CompPkgSrv.exe
                                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                                    1⤵
                                                      PID:2116

                                                    Network

                                                    MITRE ATT&CK Enterprise v6

                                                    Replay Monitor

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                                                    Downloads

                                                    • memory/4696-132-0x0000000000C30000-0x0000000000C46000-memory.dmp

                                                      Filesize

                                                      88KB

                                                    • memory/4696-133-0x0000000005AA0000-0x0000000006044000-memory.dmp

                                                      Filesize

                                                      5.6MB

                                                    • memory/4696-134-0x00000000055F0000-0x0000000005682000-memory.dmp

                                                      Filesize

                                                      584KB

                                                    • memory/4696-137-0x00000000053C0000-0x00000000053CA000-memory.dmp

                                                      Filesize

                                                      40KB