Analysis

  • max time kernel
    46s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    01-01-2021 19:26

General

  • Target

    PolarisBiosEditor-master.exe

  • Size

    1.7MB

  • MD5

    dab64fc2e97031487358ef3553c8ff8a

  • SHA1

    7f8258b6e9a455a4de914c5ee0952821ef036308

  • SHA256

    da58d100900745d6a15113e8b8cb5c2a3252a3c4a063ccc64fd09cc75cfb21ff

  • SHA512

    44e4fb714cf5ac71bb3c5517b039227a1b2c3952948e85c0b2a758b06cc60ba8203e1dcaa6a9fdeabf8c51e3327016fe5a9f7e67845cd5705665a281dccbd66f

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious behavior: MapViewOfSection 39 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 486 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PolarisBiosEditor-master.exe
    "C:\Users\Admin\AppData\Local\Temp\PolarisBiosEditor-master.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2020
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor.exe" /VERYSILENT
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1960
        • C:\Users\Admin\AppData\Local\Temp\PolarisBiosEditor.exe
          "C:\Users\Admin\AppData\Local\Temp\PolarisBiosEditor.exe"
          4⤵
          • Executes dropped EXE
          PID:1320
        • C:\Users\Admin\AppData\Local\Temp\Net32 Driver.exe
          "C:\Users\Admin\AppData\Local\Temp\Net32 Driver.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1160
          • C:\Windows\SysWOW64\notepad.exe
            "C:\Windows\system32\notepad.exe"
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1776
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe"
              6⤵
                PID:268
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe"
                6⤵
                  PID:2024
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe"
                  6⤵
                    PID:2036
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe"
                    6⤵
                      PID:320
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\system32\cmd.exe"
                      6⤵
                        PID:624
                      • C:\Windows\SysWOW64\notepad.exe
                        "C:\Windows\system32\notepad.exe"
                        6⤵
                          PID:732
                        • C:\Windows\SysWOW64\notepad.exe
                          "C:\Windows\system32\notepad.exe"
                          6⤵
                            PID:616
                          • C:\Windows\SysWOW64\notepad.exe
                            "C:\Windows\system32\notepad.exe"
                            6⤵
                              PID:1480
                            • C:\Windows\SysWOW64\notepad.exe
                              "C:\Windows\system32\notepad.exe"
                              6⤵
                                PID:900
                              • C:\Windows\SysWOW64\notepad.exe
                                "C:\Windows\system32\notepad.exe"
                                6⤵
                                  PID:1128
                                • C:\Windows\SysWOW64\notepad.exe
                                  "C:\Windows\system32\notepad.exe"
                                  6⤵
                                    PID:472
                                  • C:\Windows\SysWOW64\notepad.exe
                                    "C:\Windows\system32\notepad.exe"
                                    6⤵
                                      PID:1788
                                    • C:\Windows\SysWOW64\notepad.exe
                                      "C:\Windows\system32\notepad.exe"
                                      6⤵
                                        PID:1708
                                      • C:\Windows\SysWOW64\notepad.exe
                                        "C:\Windows\system32\notepad.exe"
                                        6⤵
                                          PID:1720
                                        • C:\Windows\SysWOW64\notepad.exe
                                          "C:\Windows\system32\notepad.exe"
                                          6⤵
                                            PID:1096
                                          • C:\Windows\SysWOW64\notepad.exe
                                            "C:\Windows\system32\notepad.exe"
                                            6⤵
                                              PID:1996
                                            • C:\Windows\SysWOW64\notepad.exe
                                              "C:\Windows\system32\notepad.exe"
                                              6⤵
                                                PID:1608
                                              • C:\Windows\SysWOW64\notepad.exe
                                                "C:\Windows\system32\notepad.exe"
                                                6⤵
                                                  PID:1792
                                                • C:\Windows\SysWOW64\notepad.exe
                                                  "C:\Windows\system32\notepad.exe"
                                                  6⤵
                                                    PID:916
                                                  • C:\Windows\SysWOW64\notepad.exe
                                                    "C:\Windows\system32\notepad.exe"
                                                    6⤵
                                                      PID:908
                                                    • C:\Windows\SysWOW64\notepad.exe
                                                      "C:\Windows\system32\notepad.exe"
                                                      6⤵
                                                        PID:764
                                                      • C:\Windows\SysWOW64\notepad.exe
                                                        "C:\Windows\system32\notepad.exe"
                                                        6⤵
                                                          PID:1800
                                                        • C:\Windows\SysWOW64\notepad.exe
                                                          "C:\Windows\system32\notepad.exe"
                                                          6⤵
                                                            PID:944
                                                          • C:\Windows\SysWOW64\notepad.exe
                                                            "C:\Windows\system32\notepad.exe"
                                                            6⤵
                                                              PID:1052
                                                            • C:\Windows\SysWOW64\notepad.exe
                                                              "C:\Windows\system32\notepad.exe"
                                                              6⤵
                                                                PID:1668
                                                              • C:\Windows\SysWOW64\notepad.exe
                                                                "C:\Windows\system32\notepad.exe"
                                                                6⤵
                                                                  PID:1196
                                                                • C:\Windows\SysWOW64\notepad.exe
                                                                  "C:\Windows\system32\notepad.exe"
                                                                  6⤵
                                                                    PID:1932
                                                                  • C:\Windows\SysWOW64\notepad.exe
                                                                    "C:\Windows\system32\notepad.exe"
                                                                    6⤵
                                                                      PID:1652
                                                                    • C:\Windows\SysWOW64\notepad.exe
                                                                      "C:\Windows\system32\notepad.exe"
                                                                      6⤵
                                                                        PID:1132
                                                                      • C:\Windows\SysWOW64\notepad.exe
                                                                        "C:\Windows\system32\notepad.exe"
                                                                        6⤵
                                                                          PID:920
                                                                        • C:\Windows\SysWOW64\notepad.exe
                                                                          "C:\Windows\system32\notepad.exe"
                                                                          6⤵
                                                                            PID:1680
                                                                          • C:\Windows\SysWOW64\notepad.exe
                                                                            "C:\Windows\system32\notepad.exe"
                                                                            6⤵
                                                                              PID:1576
                                                                            • C:\Windows\SysWOW64\notepad.exe
                                                                              "C:\Windows\system32\notepad.exe"
                                                                              6⤵
                                                                                PID:1112
                                                                              • C:\Windows\SysWOW64\notepad.exe
                                                                                "C:\Windows\system32\notepad.exe"
                                                                                6⤵
                                                                                  PID:868
                                                                                • C:\Windows\SysWOW64\notepad.exe
                                                                                  "C:\Windows\system32\notepad.exe"
                                                                                  6⤵
                                                                                    PID:1628
                                                                                  • C:\Windows\SysWOW64\notepad.exe
                                                                                    "C:\Windows\system32\notepad.exe"
                                                                                    6⤵
                                                                                      PID:1536
                                                                                    • C:\Windows\SysWOW64\notepad.exe
                                                                                      "C:\Windows\system32\notepad.exe"
                                                                                      6⤵
                                                                                        PID:1624
                                                                                      • C:\Windows\SysWOW64\notepad.exe
                                                                                        "C:\Windows\system32\notepad.exe"
                                                                                        6⤵
                                                                                          PID:1920
                                                                                        • C:\Windows\SysWOW64\notepad.exe
                                                                                          "C:\Windows\system32\notepad.exe"
                                                                                          6⤵
                                                                                            PID:1924

                                                                                Network

                                                                                MITRE ATT&CK Matrix

                                                                                Replay Monitor

                                                                                Loading Replay Monitor...

                                                                                Downloads

                                                                                • C:\Users\Admin\AppData\Local\Temp\Net32 Driver.exe

                                                                                  MD5

                                                                                  85e6b5e1fb3676b5ac51ba523c5fce55

                                                                                  SHA1

                                                                                  e3ab4da2d3f1184fa60bf24b0afea0530005865e

                                                                                  SHA256

                                                                                  e975ed557a3abcc7fa555e1eef77c9212bbcad26d9bd8721bd4b4a9f7af7ffa1

                                                                                  SHA512

                                                                                  94d6e3d8711c87448fe6e2b05223c4c186f9008e9f64051e98a375b22b7133352725a78d51a14298e8271912019cdb8e3345886fbb006c7cf9ad534ae204fe97

                                                                                • C:\Users\Admin\AppData\Local\Temp\PolarisBiosEditor.exe

                                                                                  MD5

                                                                                  5648c468395db42112aac0eca6e855c0

                                                                                  SHA1

                                                                                  49e61799ed6cbf29de43ba380309dc2b75e483a3

                                                                                  SHA256

                                                                                  dcf30a5c5c33e6d6d651a64943868dd754e20434bff20f33d2617fbd72001ba9

                                                                                  SHA512

                                                                                  3928768093a254ce8a575bd140ca2c783d6d4c085aa032b570f4ea05f85edfd480e0ac18f4c6d7f1c8db812df4703b01b875e6dfde67df5bab1f226af7bfafe5

                                                                                • C:\Users\Admin\AppData\Local\Temp\PolarisBiosEditor.exe

                                                                                  MD5

                                                                                  5648c468395db42112aac0eca6e855c0

                                                                                  SHA1

                                                                                  49e61799ed6cbf29de43ba380309dc2b75e483a3

                                                                                  SHA256

                                                                                  dcf30a5c5c33e6d6d651a64943868dd754e20434bff20f33d2617fbd72001ba9

                                                                                  SHA512

                                                                                  3928768093a254ce8a575bd140ca2c783d6d4c085aa032b570f4ea05f85edfd480e0ac18f4c6d7f1c8db812df4703b01b875e6dfde67df5bab1f226af7bfafe5

                                                                                • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor-0.bin

                                                                                  MD5

                                                                                  e622b643aabbaa380675305989acb0fa

                                                                                  SHA1

                                                                                  4eaa4a3298f531332d3ba669c3a7e7d32dc982f0

                                                                                  SHA256

                                                                                  013f664a01b97fc211841f5a00dffdac53b7adecd3ccf2d3e8b99dfb6533f7b4

                                                                                  SHA512

                                                                                  f0ebb501d4758ff2d5068944cf4dbda1bfe62d128a88761bf095b9478799e5340600720a579a606d293c9f8f3816a53eb6095c0c498d75039149d8aa2699e9fc

                                                                                • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor-1.bin

                                                                                  MD5

                                                                                  993cc0583bcc6b5e89c4fdf8fca73fd7

                                                                                  SHA1

                                                                                  1b18f43816d1882c3e6b5303655d355da1ddd751

                                                                                  SHA256

                                                                                  54c2f6a2bbbfec5a44236aa080b37f86dcca07c8e56ad02f6d8a4a466d1d11b2

                                                                                  SHA512

                                                                                  62557b19d513d67e4c12d1d94d46369cc3c20f813e0d30a363dfeddba326d231aa672d2d9af5f2fc473428024c878d04b26e44693b875d73c390c0771204cf54

                                                                                • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor.exe

                                                                                  MD5

                                                                                  50d6e3d248ac970a9bc9bad7a7d17db8

                                                                                  SHA1

                                                                                  ff6dbddaed5a4a532433e3963e002d5d3e528104

                                                                                  SHA256

                                                                                  b39f71f1b959437c8c3ed05c4fced85efdd40e115b8b371a477567d86bdd84a8

                                                                                  SHA512

                                                                                  c2d154f8265e3fcad1604c4c6ad2346852d7fb7ff0d876ee2d9dff3cc8d55dff8552b7e4662379635756e1c6d642d269350cec9d5e7d263d4cf45e4ae0fb72b6

                                                                                • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor.exe

                                                                                  MD5

                                                                                  50d6e3d248ac970a9bc9bad7a7d17db8

                                                                                  SHA1

                                                                                  ff6dbddaed5a4a532433e3963e002d5d3e528104

                                                                                  SHA256

                                                                                  b39f71f1b959437c8c3ed05c4fced85efdd40e115b8b371a477567d86bdd84a8

                                                                                  SHA512

                                                                                  c2d154f8265e3fcad1604c4c6ad2346852d7fb7ff0d876ee2d9dff3cc8d55dff8552b7e4662379635756e1c6d642d269350cec9d5e7d263d4cf45e4ae0fb72b6

                                                                                • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor.exe

                                                                                  MD5

                                                                                  50d6e3d248ac970a9bc9bad7a7d17db8

                                                                                  SHA1

                                                                                  ff6dbddaed5a4a532433e3963e002d5d3e528104

                                                                                  SHA256

                                                                                  b39f71f1b959437c8c3ed05c4fced85efdd40e115b8b371a477567d86bdd84a8

                                                                                  SHA512

                                                                                  c2d154f8265e3fcad1604c4c6ad2346852d7fb7ff0d876ee2d9dff3cc8d55dff8552b7e4662379635756e1c6d642d269350cec9d5e7d263d4cf45e4ae0fb72b6

                                                                                • \Users\Admin\AppData\Local\Temp\Net32 Driver.exe

                                                                                  MD5

                                                                                  85e6b5e1fb3676b5ac51ba523c5fce55

                                                                                  SHA1

                                                                                  e3ab4da2d3f1184fa60bf24b0afea0530005865e

                                                                                  SHA256

                                                                                  e975ed557a3abcc7fa555e1eef77c9212bbcad26d9bd8721bd4b4a9f7af7ffa1

                                                                                  SHA512

                                                                                  94d6e3d8711c87448fe6e2b05223c4c186f9008e9f64051e98a375b22b7133352725a78d51a14298e8271912019cdb8e3345886fbb006c7cf9ad534ae204fe97

                                                                                • \Users\Admin\AppData\Local\Temp\Net32 Driver.exe

                                                                                  MD5

                                                                                  85e6b5e1fb3676b5ac51ba523c5fce55

                                                                                  SHA1

                                                                                  e3ab4da2d3f1184fa60bf24b0afea0530005865e

                                                                                  SHA256

                                                                                  e975ed557a3abcc7fa555e1eef77c9212bbcad26d9bd8721bd4b4a9f7af7ffa1

                                                                                  SHA512

                                                                                  94d6e3d8711c87448fe6e2b05223c4c186f9008e9f64051e98a375b22b7133352725a78d51a14298e8271912019cdb8e3345886fbb006c7cf9ad534ae204fe97

                                                                                • \Users\Admin\AppData\Local\Temp\PolarisBiosEditor.exe

                                                                                  MD5

                                                                                  5648c468395db42112aac0eca6e855c0

                                                                                  SHA1

                                                                                  49e61799ed6cbf29de43ba380309dc2b75e483a3

                                                                                  SHA256

                                                                                  dcf30a5c5c33e6d6d651a64943868dd754e20434bff20f33d2617fbd72001ba9

                                                                                  SHA512

                                                                                  3928768093a254ce8a575bd140ca2c783d6d4c085aa032b570f4ea05f85edfd480e0ac18f4c6d7f1c8db812df4703b01b875e6dfde67df5bab1f226af7bfafe5

                                                                                • \Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor.exe

                                                                                  MD5

                                                                                  50d6e3d248ac970a9bc9bad7a7d17db8

                                                                                  SHA1

                                                                                  ff6dbddaed5a4a532433e3963e002d5d3e528104

                                                                                  SHA256

                                                                                  b39f71f1b959437c8c3ed05c4fced85efdd40e115b8b371a477567d86bdd84a8

                                                                                  SHA512

                                                                                  c2d154f8265e3fcad1604c4c6ad2346852d7fb7ff0d876ee2d9dff3cc8d55dff8552b7e4662379635756e1c6d642d269350cec9d5e7d263d4cf45e4ae0fb72b6

                                                                                • \Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor.exe

                                                                                  MD5

                                                                                  50d6e3d248ac970a9bc9bad7a7d17db8

                                                                                  SHA1

                                                                                  ff6dbddaed5a4a532433e3963e002d5d3e528104

                                                                                  SHA256

                                                                                  b39f71f1b959437c8c3ed05c4fced85efdd40e115b8b371a477567d86bdd84a8

                                                                                  SHA512

                                                                                  c2d154f8265e3fcad1604c4c6ad2346852d7fb7ff0d876ee2d9dff3cc8d55dff8552b7e4662379635756e1c6d642d269350cec9d5e7d263d4cf45e4ae0fb72b6

                                                                                • \Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor.exe

                                                                                  MD5

                                                                                  50d6e3d248ac970a9bc9bad7a7d17db8

                                                                                  SHA1

                                                                                  ff6dbddaed5a4a532433e3963e002d5d3e528104

                                                                                  SHA256

                                                                                  b39f71f1b959437c8c3ed05c4fced85efdd40e115b8b371a477567d86bdd84a8

                                                                                  SHA512

                                                                                  c2d154f8265e3fcad1604c4c6ad2346852d7fb7ff0d876ee2d9dff3cc8d55dff8552b7e4662379635756e1c6d642d269350cec9d5e7d263d4cf45e4ae0fb72b6

                                                                                • \Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor.exe

                                                                                  MD5

                                                                                  50d6e3d248ac970a9bc9bad7a7d17db8

                                                                                  SHA1

                                                                                  ff6dbddaed5a4a532433e3963e002d5d3e528104

                                                                                  SHA256

                                                                                  b39f71f1b959437c8c3ed05c4fced85efdd40e115b8b371a477567d86bdd84a8

                                                                                  SHA512

                                                                                  c2d154f8265e3fcad1604c4c6ad2346852d7fb7ff0d876ee2d9dff3cc8d55dff8552b7e4662379635756e1c6d642d269350cec9d5e7d263d4cf45e4ae0fb72b6

                                                                                • \Users\Admin\AppData\Local\Temp\RarSFX0\PolarisBiosEditor.exe

                                                                                  MD5

                                                                                  50d6e3d248ac970a9bc9bad7a7d17db8

                                                                                  SHA1

                                                                                  ff6dbddaed5a4a532433e3963e002d5d3e528104

                                                                                  SHA256

                                                                                  b39f71f1b959437c8c3ed05c4fced85efdd40e115b8b371a477567d86bdd84a8

                                                                                  SHA512

                                                                                  c2d154f8265e3fcad1604c4c6ad2346852d7fb7ff0d876ee2d9dff3cc8d55dff8552b7e4662379635756e1c6d642d269350cec9d5e7d263d4cf45e4ae0fb72b6

                                                                                • \Users\Admin\AppData\Local\Temp\is-6CC9I.tmp\_isetup\_isdecmp.dll

                                                                                  MD5

                                                                                  77d6d961f71a8c558513bed6fd0ad6f1

                                                                                  SHA1

                                                                                  122bb9ed6704b72250e4e31b5d5fc2f0476c4b6a

                                                                                  SHA256

                                                                                  5da7c8d33d3b7db46277012d92875c0b850c8abf1eb3c8c9c5b9532089a0bcf0

                                                                                  SHA512

                                                                                  b0921e2442b4cdec8cc479ba3751a01c0646a4804e2f4a5d5632fa2dbf54cc45d4cccffa4d5b522d42afc2f6a622e07882ed7e663c8462333b082e82503f335a

                                                                                • \Users\Admin\AppData\Local\Temp\is-85V6I.tmp\_isetup\_isdecmp.dll

                                                                                  MD5

                                                                                  77d6d961f71a8c558513bed6fd0ad6f1

                                                                                  SHA1

                                                                                  122bb9ed6704b72250e4e31b5d5fc2f0476c4b6a

                                                                                  SHA256

                                                                                  5da7c8d33d3b7db46277012d92875c0b850c8abf1eb3c8c9c5b9532089a0bcf0

                                                                                  SHA512

                                                                                  b0921e2442b4cdec8cc479ba3751a01c0646a4804e2f4a5d5632fa2dbf54cc45d4cccffa4d5b522d42afc2f6a622e07882ed7e663c8462333b082e82503f335a

                                                                                • memory/1160-24-0x0000000000000000-mapping.dmp

                                                                                • memory/1200-2-0x00000000023D0000-0x00000000024D1000-memory.dmp

                                                                                  Filesize

                                                                                  1.0MB

                                                                                • memory/1320-19-0x0000000000000000-mapping.dmp

                                                                                • memory/1320-26-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

                                                                                  Filesize

                                                                                  9.6MB

                                                                                • memory/1320-28-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

                                                                                  Filesize

                                                                                  9.6MB

                                                                                • memory/1776-27-0x0000000000000000-mapping.dmp

                                                                                • memory/1960-14-0x0000000000000000-mapping.dmp

                                                                                • memory/2020-8-0x0000000000000000-mapping.dmp