Resubmissions

30-07-2023 06:59

230730-hsjknsgd78 10

30-07-2023 06:57

230730-hrd9kagd75 10

28-07-2023 15:26

230728-svbyqadh66 10

Analysis

  • max time kernel
    40s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    30-07-2023 06:59

General

  • Target

    9d0026a17b1bd281baf4cda8f6c7e52b9ed2edd180f8e3b85703931c50f11453.exe

  • Size

    320KB

  • MD5

    cb7786ac2d9c0b586ccbe12b3bc32693

  • SHA1

    4d40f8743c194671a96211ee6b4c751a4bf50871

  • SHA256

    9d0026a17b1bd281baf4cda8f6c7e52b9ed2edd180f8e3b85703931c50f11453

  • SHA512

    cee77848b9bed772e32aca5009ebde34bf1ef1ad62197630a20d9c9de3905e09881a9dc639bd56bc44f499815ed92cbc93d254423793f7bec58a4ff2e42a593e

  • SSDEEP

    6144:Vk1F9vhVI8vzPW2t1BOGu1CuDq1hzF0r2Z:VeF9jI8vzPnt7YCF0SZ

Score
10/10

Malware Config

Signatures

  • Clop

    Ransomware discovered in early 2019 which has been actively developed since release.

  • Renames multiple (199) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops desktop.ini file(s) 13 IoCs
  • Enumerates connected drives 3 TTPs 1 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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d0026a17b1bd281baf4cda8f6c7e52b9ed2edd180f8e3b85703931c50f11453.exe
    "C:\Users\Admin\AppData\Local\Temp\9d0026a17b1bd281baf4cda8f6c7e52b9ed2edd180f8e3b85703931c50f11453.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{CF2357D5-74F2-4D3A-86B6-7A13AF6F3D3C}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3052
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{CF2357D5-74F2-4D3A-86B6-7A13AF6F3D3C}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2856
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{26A525AB-4CD6-48E4-AA31-EE83C4687F11}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{26A525AB-4CD6-48E4-AA31-EE83C4687F11}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3064
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{31AF4E21-1AB8-4187-9BC4-8F000FCE6A88}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{31AF4E21-1AB8-4187-9BC4-8F000FCE6A88}'" delete
        3⤵
          PID:2720
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D4A1AEEA-EF14-46A8-84EF-49A271D7582A}'" delete
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2696
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D4A1AEEA-EF14-46A8-84EF-49A271D7582A}'" delete
          3⤵
            PID:2716
        • C:\Windows\system32\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AEBDB55D-7560-4450-B5C1-C81EF0705361}'" delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2424
          • C:\Windows\System32\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AEBDB55D-7560-4450-B5C1-C81EF0705361}'" delete
            3⤵
              PID:2436
          • C:\Windows\system32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5CC8609E-FDDD-42B5-AC0C-D1CF23AFEC77}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1492
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5CC8609E-FDDD-42B5-AC0C-D1CF23AFEC77}'" delete
              3⤵
                PID:1116
            • C:\Windows\system32\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{68E88BAA-2FDC-4CC1-B5F6-756DEF21CDA0}'" delete
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:824
              • C:\Windows\System32\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{68E88BAA-2FDC-4CC1-B5F6-756DEF21CDA0}'" delete
                3⤵
                  PID:2756
              • C:\Windows\system32\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AD5A6321-F11F-4046-959F-5878B0635AF0}'" delete
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2144
                • C:\Windows\System32\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AD5A6321-F11F-4046-959F-5878B0635AF0}'" delete
                  3⤵
                    PID:1644
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BEC42C2C-51A9-46FA-8FB1-9534FB1CC26F}'" delete
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2900
                  • C:\Windows\System32\wbem\WMIC.exe
                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BEC42C2C-51A9-46FA-8FB1-9534FB1CC26F}'" delete
                    3⤵
                      PID:3004
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F7F1CCEF-9BBA-4DD3-8F3B-3949F4175D3D}'" delete
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1908
                    • C:\Windows\System32\wbem\WMIC.exe
                      C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F7F1CCEF-9BBA-4DD3-8F3B-3949F4175D3D}'" delete
                      3⤵
                        PID:2000
                    • C:\Windows\system32\cmd.exe
                      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5FAD2525-CE8D-4542-95F5-297D91A0941B}'" delete
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1864
                      • C:\Windows\System32\wbem\WMIC.exe
                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5FAD2525-CE8D-4542-95F5-297D91A0941B}'" delete
                        3⤵
                          PID:1068
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{21FC492E-72CE-4086-B947-85988918528C}'" delete
                        2⤵
                          PID:600
                          • C:\Windows\System32\wbem\WMIC.exe
                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{21FC492E-72CE-4086-B947-85988918528C}'" delete
                            3⤵
                              PID:308
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{39E16D30-E44E-4000-842E-3BB3815D8DA7}'" delete
                            2⤵
                              PID:2084
                              • C:\Windows\System32\wbem\WMIC.exe
                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{39E16D30-E44E-4000-842E-3BB3815D8DA7}'" delete
                                3⤵
                                  PID:2736
                              • C:\Windows\system32\cmd.exe
                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{14078C2D-440B-48A3-BE75-42FEC24F4112}'" delete
                                2⤵
                                  PID:2348
                                  • C:\Windows\System32\wbem\WMIC.exe
                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{14078C2D-440B-48A3-BE75-42FEC24F4112}'" delete
                                    3⤵
                                      PID:2004
                                  • C:\Windows\system32\cmd.exe
                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{56769837-99DB-48C2-9809-835B8B9ADD43}'" delete
                                    2⤵
                                      PID:1172
                                      • C:\Windows\System32\wbem\WMIC.exe
                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{56769837-99DB-48C2-9809-835B8B9ADD43}'" delete
                                        3⤵
                                          PID:676
                                      • C:\Windows\system32\cmd.exe
                                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{604549CF-81C6-48E9-AE3F-4F00F3C0E521}'" delete
                                        2⤵
                                          PID:764
                                          • C:\Windows\System32\wbem\WMIC.exe
                                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{604549CF-81C6-48E9-AE3F-4F00F3C0E521}'" delete
                                            3⤵
                                              PID:2256
                                          • C:\Windows\system32\cmd.exe
                                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{CC086168-6DF7-42A3-AAD5-3F5C8012F961}'" delete
                                            2⤵
                                              PID:1412
                                              • C:\Windows\System32\wbem\WMIC.exe
                                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{CC086168-6DF7-42A3-AAD5-3F5C8012F961}'" delete
                                                3⤵
                                                  PID:1532
                                              • C:\Windows\system32\cmd.exe
                                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{3E994A54-AC5B-4CC1-AFAD-813A2FEDFC0C}'" delete
                                                2⤵
                                                  PID:1764
                                                  • C:\Windows\System32\wbem\WMIC.exe
                                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{3E994A54-AC5B-4CC1-AFAD-813A2FEDFC0C}'" delete
                                                    3⤵
                                                      PID:936
                                                • C:\Windows\system32\vssvc.exe
                                                  C:\Windows\system32\vssvc.exe
                                                  1⤵
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  PID:2052
                                                • C:\Windows\system32\NOTEPAD.EXE
                                                  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\How To Restore Your Files.txt
                                                  1⤵
                                                    PID:2852

                                                  Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

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                                                  Downloads

                                                  • C:\Recovery\909558a2-20ee-11ee-b7b1-d66763f08456\How To Restore Your Files.txt

                                                    Filesize

                                                    1021B

                                                    MD5

                                                    cc40a2ba1af80ab73e9496c5a1b5dc2e

                                                    SHA1

                                                    5a927aad3208578199780627917985c677fd0f07

                                                    SHA256

                                                    a8363ff2d8ac192a8edd3aa9c8f7f3966ddefe1a3b65a9bc0566c2c79189fee4

                                                    SHA512

                                                    5faaf001854fc9f2d865fa9b1dc46e7aacabb4b6104323dc1c9fe142141871a735fdc7780f36ca4736867aaca7212472a1ac6197cd60c1f72782a9de034f4b45