Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    29-04-2022 00:20

General

  • Target

    http://47.93.60.63:8000/exploror.exe

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet Payload 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 47 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" http://47.93.60.63:8000/exploror.exe
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1540
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ff8e8af4f50,0x7ff8e8af4f60,0x7ff8e8af4f70
      2⤵
        PID:1780
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1644,5601964962166496058,15293598826365870219,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1680 /prefetch:2
        2⤵
          PID:1456
        • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2032 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4776
        • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2288 /prefetch:8
          2⤵
            PID:4408
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3040 /prefetch:1
            2⤵
              PID:4916
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3028 /prefetch:1
              2⤵
                PID:2380
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2540 /prefetch:1
                2⤵
                  PID:2140
                • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4580 /prefetch:8
                  2⤵
                    PID:3924
                  • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5000 /prefetch:8
                    2⤵
                      PID:1260
                    • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4960 /prefetch:8
                      2⤵
                        PID:4004
                      • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5760 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5456 /prefetch:8
                        2⤵
                          PID:1688
                        • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5364 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:2776
                        • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5816 /prefetch:8
                          2⤵
                            PID:2712
                          • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5852 /prefetch:8
                            2⤵
                              PID:3988
                            • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5556 /prefetch:8
                              2⤵
                                PID:2900
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,5601964962166496058,15293598826365870219,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3588 /prefetch:1
                                2⤵
                                  PID:1960
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,5601964962166496058,15293598826365870219,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5428 /prefetch:1
                                  2⤵
                                    PID:4372
                                  • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5524 /prefetch:8
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:1840
                                  • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5376 /prefetch:8
                                    2⤵
                                      PID:4932
                                    • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5084 /prefetch:8
                                      2⤵
                                        PID:4976
                                      • 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=1644,5601964962166496058,15293598826365870219,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5552 /prefetch:8
                                        2⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:628
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:4488
                                      • C:\Windows\System32\rundll32.exe
                                        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                        1⤵
                                          PID:2360
                                        • C:\Users\Admin\Downloads\exploror.exe
                                          "C:\Users\Admin\Downloads\exploror.exe"
                                          1⤵
                                          • Executes dropped EXE
                                          • Checks computer location settings
                                          • Adds Run key to start application
                                          • Modifies registry class
                                          PID:2584
                                          • C:\Users\Admin\Downloads\._cache_exploror.exe
                                            "C:\Users\Admin\Downloads\._cache_exploror.exe"
                                            2⤵
                                            • Executes dropped EXE
                                            • Adds Run key to start application
                                            • Enumerates connected drives
                                            • Checks processor information in registry
                                            • Suspicious behavior: EnumeratesProcesses
                                            PID:3656
                                          • C:\ProgramData\Synaptics\Synaptics.exe
                                            "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
                                            2⤵
                                            • Executes dropped EXE
                                            • Loads dropped DLL
                                            PID:4972
                                        • C:\Users\Admin\Downloads\exploror.exe
                                          "C:\Users\Admin\Downloads\exploror.exe"
                                          1⤵
                                          • Executes dropped EXE
                                          • Checks computer location settings
                                          • Loads dropped DLL
                                          • Modifies registry class
                                          PID:4480
                                          • C:\Users\Admin\Downloads\._cache_exploror.exe
                                            "C:\Users\Admin\Downloads\._cache_exploror.exe"
                                            2⤵
                                            • Executes dropped EXE
                                            • Adds Run key to start application
                                            PID:1124
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
                                          1⤵
                                            PID:1840

                                          Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\ProgramData\Synaptics\Synaptics.exe

                                            Filesize

                                            754KB

                                            MD5

                                            310a7ff41f6633132e6c2bc25e51e567

                                            SHA1

                                            5f687df8cc3185ed68d77d0e05502c2eb308c5c8

                                            SHA256

                                            d1425edf482717cb64db2a36357866045b0c6306d919296591ffc9bc45d680ab

                                            SHA512

                                            ee9b3114cb37e52793bccdf20a27158f5def67ed9c7d8eb772e1deaf5d5f9a0030e847dea40bb320637f29508f1be2a49c3095460a6fd3afbc3bca196f642980

                                          • C:\ProgramData\Synaptics\Synaptics.exe

                                            Filesize

                                            754KB

                                            MD5

                                            310a7ff41f6633132e6c2bc25e51e567

                                            SHA1

                                            5f687df8cc3185ed68d77d0e05502c2eb308c5c8

                                            SHA256

                                            d1425edf482717cb64db2a36357866045b0c6306d919296591ffc9bc45d680ab

                                            SHA512

                                            ee9b3114cb37e52793bccdf20a27158f5def67ed9c7d8eb772e1deaf5d5f9a0030e847dea40bb320637f29508f1be2a49c3095460a6fd3afbc3bca196f642980

                                          • C:\Users\Admin\Downloads\._cache_exploror.exe

                                            Filesize

                                            400KB

                                            MD5

                                            f82f50d6a61d3d73172fcbf3ff665e89

                                            SHA1

                                            2e5cde938a2822a13348e55f4ad0dfa75d545fee

                                            SHA256

                                            afbf8e478edc3d239953a3653a5ec113363fb9406552536d6469581b52585bcd

                                            SHA512

                                            f5945f9c5b4cfcd29498b24ec43000e6ec2927ec264d758aeeb4325f4c5f2b1d03fb997c84b38daec82b4a1dbc9f049b932ca399ef02778072cf594b1b5044fb

                                          • C:\Users\Admin\Downloads\._cache_exploror.exe

                                            Filesize

                                            400KB

                                            MD5

                                            f82f50d6a61d3d73172fcbf3ff665e89

                                            SHA1

                                            2e5cde938a2822a13348e55f4ad0dfa75d545fee

                                            SHA256

                                            afbf8e478edc3d239953a3653a5ec113363fb9406552536d6469581b52585bcd

                                            SHA512

                                            f5945f9c5b4cfcd29498b24ec43000e6ec2927ec264d758aeeb4325f4c5f2b1d03fb997c84b38daec82b4a1dbc9f049b932ca399ef02778072cf594b1b5044fb

                                          • C:\Users\Admin\Downloads\._cache_exploror.exe

                                            Filesize

                                            400KB

                                            MD5

                                            f82f50d6a61d3d73172fcbf3ff665e89

                                            SHA1

                                            2e5cde938a2822a13348e55f4ad0dfa75d545fee

                                            SHA256

                                            afbf8e478edc3d239953a3653a5ec113363fb9406552536d6469581b52585bcd

                                            SHA512

                                            f5945f9c5b4cfcd29498b24ec43000e6ec2927ec264d758aeeb4325f4c5f2b1d03fb997c84b38daec82b4a1dbc9f049b932ca399ef02778072cf594b1b5044fb

                                          • C:\Users\Admin\Downloads\._cache_exploror.exe

                                            Filesize

                                            400KB

                                            MD5

                                            f82f50d6a61d3d73172fcbf3ff665e89

                                            SHA1

                                            2e5cde938a2822a13348e55f4ad0dfa75d545fee

                                            SHA256

                                            afbf8e478edc3d239953a3653a5ec113363fb9406552536d6469581b52585bcd

                                            SHA512

                                            f5945f9c5b4cfcd29498b24ec43000e6ec2927ec264d758aeeb4325f4c5f2b1d03fb997c84b38daec82b4a1dbc9f049b932ca399ef02778072cf594b1b5044fb

                                          • C:\Users\Admin\Downloads\._cache_exploror.exe

                                            Filesize

                                            400KB

                                            MD5

                                            f82f50d6a61d3d73172fcbf3ff665e89

                                            SHA1

                                            2e5cde938a2822a13348e55f4ad0dfa75d545fee

                                            SHA256

                                            afbf8e478edc3d239953a3653a5ec113363fb9406552536d6469581b52585bcd

                                            SHA512

                                            f5945f9c5b4cfcd29498b24ec43000e6ec2927ec264d758aeeb4325f4c5f2b1d03fb997c84b38daec82b4a1dbc9f049b932ca399ef02778072cf594b1b5044fb

                                          • C:\Users\Admin\Downloads\exploror.exe

                                            Filesize

                                            1.1MB

                                            MD5

                                            d6df53506b123f5717463d0355336979

                                            SHA1

                                            7720fb4b89a4ebcef32a6d6a9a7a88c65cad2c14

                                            SHA256

                                            70969f1d56ec1ddcae3fc50545c0a351b798226c62d870db8ae5170eeec67694

                                            SHA512

                                            1bfefa221ed77ef05fc72fbc20a322cae990b2a33a9af47b9ee4d9fa1c09d5c81f6a8fd8496ed43a47ee2862e1e2bf1651b4cca2f5e9e23e491c3d4b3249ad2f

                                          • C:\Users\Admin\Downloads\exploror.exe

                                            Filesize

                                            1.1MB

                                            MD5

                                            d6df53506b123f5717463d0355336979

                                            SHA1

                                            7720fb4b89a4ebcef32a6d6a9a7a88c65cad2c14

                                            SHA256

                                            70969f1d56ec1ddcae3fc50545c0a351b798226c62d870db8ae5170eeec67694

                                            SHA512

                                            1bfefa221ed77ef05fc72fbc20a322cae990b2a33a9af47b9ee4d9fa1c09d5c81f6a8fd8496ed43a47ee2862e1e2bf1651b4cca2f5e9e23e491c3d4b3249ad2f

                                          • C:\Users\Admin\Downloads\exploror.exe

                                            Filesize

                                            1.1MB

                                            MD5

                                            d6df53506b123f5717463d0355336979

                                            SHA1

                                            7720fb4b89a4ebcef32a6d6a9a7a88c65cad2c14

                                            SHA256

                                            70969f1d56ec1ddcae3fc50545c0a351b798226c62d870db8ae5170eeec67694

                                            SHA512

                                            1bfefa221ed77ef05fc72fbc20a322cae990b2a33a9af47b9ee4d9fa1c09d5c81f6a8fd8496ed43a47ee2862e1e2bf1651b4cca2f5e9e23e491c3d4b3249ad2f

                                          • C:\Users\Admin\Downloads\exploror.exe

                                            Filesize

                                            1.1MB

                                            MD5

                                            d6df53506b123f5717463d0355336979

                                            SHA1

                                            7720fb4b89a4ebcef32a6d6a9a7a88c65cad2c14

                                            SHA256

                                            70969f1d56ec1ddcae3fc50545c0a351b798226c62d870db8ae5170eeec67694

                                            SHA512

                                            1bfefa221ed77ef05fc72fbc20a322cae990b2a33a9af47b9ee4d9fa1c09d5c81f6a8fd8496ed43a47ee2862e1e2bf1651b4cca2f5e9e23e491c3d4b3249ad2f

                                          • C:\Users\Admin\Downloads\exploror.exe

                                            Filesize

                                            1.1MB

                                            MD5

                                            d6df53506b123f5717463d0355336979

                                            SHA1

                                            7720fb4b89a4ebcef32a6d6a9a7a88c65cad2c14

                                            SHA256

                                            70969f1d56ec1ddcae3fc50545c0a351b798226c62d870db8ae5170eeec67694

                                            SHA512

                                            1bfefa221ed77ef05fc72fbc20a322cae990b2a33a9af47b9ee4d9fa1c09d5c81f6a8fd8496ed43a47ee2862e1e2bf1651b4cca2f5e9e23e491c3d4b3249ad2f

                                          • memory/3656-141-0x0000000010000000-0x0000000010018000-memory.dmp

                                            Filesize

                                            96KB