Analysis

  • max time kernel
    172s
  • max time network
    193s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    14/01/2023, 18:29

General

  • Target

    https://mega.nz/file/zNxAlJpK#aj1s-SkIlCU0LxnlG-8kEE_JPN_mhFg-JnVXYNAQt7U

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Office04

C2

pimveldhof-60417.portmap.host:60417

Mutex

982805a1-538c-4652-b82b-f35c8c7d3aca

Attributes
  • encryption_key

    7CD294CCD8B0790D5277B1060F06CD099C4F33C2

  • install_name

    IXWare.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    IXWare is loading...

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 10 IoCs
  • Executes dropped EXE 4 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 44 IoCs
  • Suspicious use of SendNotifyMessage 34 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" https://mega.nz/file/zNxAlJpK#aj1s-SkIlCU0LxnlG-8kEE_JPN_mhFg-JnVXYNAQt7U
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1128
    • 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,0x7fefb7f4f50,0x7fefb7f4f60,0x7fefb7f4f70
      2⤵
        PID:1112
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1112,630887147502269724,13022807285005619147,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1124 /prefetch:2
        2⤵
          PID:1228
        • 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=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1272 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1484
        • 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=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1720 /prefetch:8
          2⤵
            PID:360
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2016 /prefetch:1
            2⤵
              PID:308
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2008 /prefetch:1
              2⤵
                PID:952
              • 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=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2812 /prefetch:8
                2⤵
                  PID:1664
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1112,630887147502269724,13022807285005619147,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=swiftshader-webgl --mojo-platform-channel-handle=3292 /prefetch:2
                  2⤵
                    PID:1712
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=3744 /prefetch:8
                    2⤵
                      PID:1600
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4080 /prefetch:8
                      2⤵
                        PID:2152
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4120 /prefetch:8
                        2⤵
                          PID:2160
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4268 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:2236
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4240 /prefetch:8
                          2⤵
                            PID:2296
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4244 /prefetch:8
                            2⤵
                              PID:2288
                            • C:\Users\Admin\Downloads\IXWare (2) (1).exe
                              "C:\Users\Admin\Downloads\IXWare (2) (1).exe"
                              2⤵
                              • Executes dropped EXE
                              • Suspicious use of AdjustPrivilegeToken
                              PID:2360
                              • C:\Users\Admin\AppData\Roaming\SubDir\IXWare.exe
                                "C:\Users\Admin\AppData\Roaming\SubDir\IXWare.exe"
                                3⤵
                                • Executes dropped EXE
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of FindShellTrayWindow
                                • Suspicious use of SendNotifyMessage
                                • Suspicious use of SetWindowsHookEx
                                PID:2404
                            • 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=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=536 /prefetch:8
                              2⤵
                                PID:2488
                              • 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=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1800 /prefetch:8
                                2⤵
                                  PID:2580
                                • 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=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3076 /prefetch:8
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:2648
                                • 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=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2616 /prefetch:8
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:2752
                                • 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=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=500 /prefetch:8
                                  2⤵
                                    PID:2760
                                  • 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=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2584 /prefetch:8
                                    2⤵
                                      PID:2768
                                    • 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=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2576 /prefetch:8
                                      2⤵
                                        PID:2864
                                      • 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=1112,630887147502269724,13022807285005619147,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1744 /prefetch:8
                                        2⤵
                                          PID:2904
                                        • C:\Users\Admin\Downloads\IXWare (2) (1).exe
                                          "C:\Users\Admin\Downloads\IXWare (2) (1).exe"
                                          2⤵
                                          • Executes dropped EXE
                                          • Suspicious behavior: EnumeratesProcesses
                                          • Suspicious use of AdjustPrivilegeToken
                                          PID:2948
                                          • C:\Users\Admin\AppData\Roaming\SubDir\IXWare.exe
                                            "C:\Users\Admin\AppData\Roaming\SubDir\IXWare.exe"
                                            3⤵
                                            • Executes dropped EXE
                                            • Suspicious use of AdjustPrivilegeToken
                                            • Suspicious use of FindShellTrayWindow
                                            • Suspicious use of SendNotifyMessage
                                            • Suspicious use of SetWindowsHookEx
                                            PID:3004
                                      • C:\Windows\system32\AUDIODG.EXE
                                        C:\Windows\system32\AUDIODG.EXE 0x568
                                        1⤵
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:2056

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Users\Admin\AppData\Roaming\SubDir\IXWare.exe

                                        Filesize

                                        517KB

                                        MD5

                                        485bb76fca2d5b339e3a4f3ce1b45fce

                                        SHA1

                                        c5bdd971c60e9b21b34c25407e49ddee7065aa31

                                        SHA256

                                        92d18d636576cf5a0cf770ce552df78141ad89592dccef1b55c15ba48e81875b

                                        SHA512

                                        b36d5497aad0473f7e8d4d9a110bacd4d1185bcd6b9fb37c3df1509eb65d7fd1bb4f06e0c59e381ed73a1fc6c2d32708efe67a434251636b2d7c673d19e9cbfd

                                      • C:\Users\Admin\AppData\Roaming\SubDir\IXWare.exe

                                        Filesize

                                        517KB

                                        MD5

                                        485bb76fca2d5b339e3a4f3ce1b45fce

                                        SHA1

                                        c5bdd971c60e9b21b34c25407e49ddee7065aa31

                                        SHA256

                                        92d18d636576cf5a0cf770ce552df78141ad89592dccef1b55c15ba48e81875b

                                        SHA512

                                        b36d5497aad0473f7e8d4d9a110bacd4d1185bcd6b9fb37c3df1509eb65d7fd1bb4f06e0c59e381ed73a1fc6c2d32708efe67a434251636b2d7c673d19e9cbfd

                                      • C:\Users\Admin\AppData\Roaming\SubDir\IXWare.exe

                                        Filesize

                                        517KB

                                        MD5

                                        485bb76fca2d5b339e3a4f3ce1b45fce

                                        SHA1

                                        c5bdd971c60e9b21b34c25407e49ddee7065aa31

                                        SHA256

                                        92d18d636576cf5a0cf770ce552df78141ad89592dccef1b55c15ba48e81875b

                                        SHA512

                                        b36d5497aad0473f7e8d4d9a110bacd4d1185bcd6b9fb37c3df1509eb65d7fd1bb4f06e0c59e381ed73a1fc6c2d32708efe67a434251636b2d7c673d19e9cbfd

                                      • C:\Users\Admin\AppData\Roaming\SubDir\IXWare.exe

                                        Filesize

                                        517KB

                                        MD5

                                        485bb76fca2d5b339e3a4f3ce1b45fce

                                        SHA1

                                        c5bdd971c60e9b21b34c25407e49ddee7065aa31

                                        SHA256

                                        92d18d636576cf5a0cf770ce552df78141ad89592dccef1b55c15ba48e81875b

                                        SHA512

                                        b36d5497aad0473f7e8d4d9a110bacd4d1185bcd6b9fb37c3df1509eb65d7fd1bb4f06e0c59e381ed73a1fc6c2d32708efe67a434251636b2d7c673d19e9cbfd

                                      • C:\Users\Admin\Downloads\IXWare (2) (1).exe

                                        Filesize

                                        517KB

                                        MD5

                                        485bb76fca2d5b339e3a4f3ce1b45fce

                                        SHA1

                                        c5bdd971c60e9b21b34c25407e49ddee7065aa31

                                        SHA256

                                        92d18d636576cf5a0cf770ce552df78141ad89592dccef1b55c15ba48e81875b

                                        SHA512

                                        b36d5497aad0473f7e8d4d9a110bacd4d1185bcd6b9fb37c3df1509eb65d7fd1bb4f06e0c59e381ed73a1fc6c2d32708efe67a434251636b2d7c673d19e9cbfd

                                      • C:\Users\Admin\Downloads\IXWare (2) (1).exe

                                        Filesize

                                        517KB

                                        MD5

                                        485bb76fca2d5b339e3a4f3ce1b45fce

                                        SHA1

                                        c5bdd971c60e9b21b34c25407e49ddee7065aa31

                                        SHA256

                                        92d18d636576cf5a0cf770ce552df78141ad89592dccef1b55c15ba48e81875b

                                        SHA512

                                        b36d5497aad0473f7e8d4d9a110bacd4d1185bcd6b9fb37c3df1509eb65d7fd1bb4f06e0c59e381ed73a1fc6c2d32708efe67a434251636b2d7c673d19e9cbfd

                                      • C:\Users\Admin\Downloads\IXWare (2) (1).exe

                                        Filesize

                                        517KB

                                        MD5

                                        485bb76fca2d5b339e3a4f3ce1b45fce

                                        SHA1

                                        c5bdd971c60e9b21b34c25407e49ddee7065aa31

                                        SHA256

                                        92d18d636576cf5a0cf770ce552df78141ad89592dccef1b55c15ba48e81875b

                                        SHA512

                                        b36d5497aad0473f7e8d4d9a110bacd4d1185bcd6b9fb37c3df1509eb65d7fd1bb4f06e0c59e381ed73a1fc6c2d32708efe67a434251636b2d7c673d19e9cbfd

                                      • memory/2360-59-0x000007FEFC591000-0x000007FEFC593000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2360-58-0x0000000001330000-0x00000000013B8000-memory.dmp

                                        Filesize

                                        544KB

                                      • memory/2404-63-0x0000000000880000-0x0000000000908000-memory.dmp

                                        Filesize

                                        544KB

                                      • memory/3004-72-0x0000000000FD0000-0x0000000001058000-memory.dmp

                                        Filesize

                                        544KB