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
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    28-07-2023 15:26

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 (183) 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:760
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E65325A1-B7B7-48FA-884F-CFA212BDB978}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2856
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E65325A1-B7B7-48FA-884F-CFA212BDB978}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1976
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C84EE877-5F48-4364-B97D-C95D9A78FC42}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2764
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C84EE877-5F48-4364-B97D-C95D9A78FC42}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2260
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{696E7880-9336-4BD1-8FE5-CE3812A01D9A}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{696E7880-9336-4BD1-8FE5-CE3812A01D9A}'" delete
        3⤵
          PID:592
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{B29369F6-1A76-4D6C-8468-1112A4A7144B}'" delete
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:692
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{B29369F6-1A76-4D6C-8468-1112A4A7144B}'" delete
          3⤵
            PID:1640
        • C:\Windows\system32\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F38D5385-7790-4546-B54A-462C8D302DE1}'" delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1456
          • C:\Windows\System32\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F38D5385-7790-4546-B54A-462C8D302DE1}'" delete
            3⤵
              PID:1536
          • C:\Windows\system32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{48FCE597-3DF4-4830-86A1-DFDF28FA95F6}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3068
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{48FCE597-3DF4-4830-86A1-DFDF28FA95F6}'" delete
              3⤵
                PID:2264
            • C:\Windows\system32\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EE156971-7A43-40AE-8728-C837626C98AF}'" delete
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1436
              • C:\Windows\System32\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EE156971-7A43-40AE-8728-C837626C98AF}'" delete
                3⤵
                  PID:2156
              • C:\Windows\system32\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{FC6B8069-C083-4B1E-8270-0A7A19C7EF45}'" delete
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2024
                • C:\Windows\System32\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{FC6B8069-C083-4B1E-8270-0A7A19C7EF45}'" delete
                  3⤵
                    PID:2596
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{DA52D676-6DBA-4263-AB84-4C6F161DB140}'" delete
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2948
                  • C:\Windows\System32\wbem\WMIC.exe
                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{DA52D676-6DBA-4263-AB84-4C6F161DB140}'" delete
                    3⤵
                      PID:2532
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6EA46DB1-DB04-4516-9084-6F80B5A78DDE}'" delete
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1636
                    • C:\Windows\System32\wbem\WMIC.exe
                      C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6EA46DB1-DB04-4516-9084-6F80B5A78DDE}'" delete
                      3⤵
                        PID:1296
                    • C:\Windows\system32\cmd.exe
                      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{74D04A56-E2FA-4580-885D-9DD72402EDCA}'" delete
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1952
                      • C:\Windows\System32\wbem\WMIC.exe
                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{74D04A56-E2FA-4580-885D-9DD72402EDCA}'" delete
                        3⤵
                          PID:756
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{20A56F80-1895-41DB-A5AF-7C27AAEBF117}'" delete
                        2⤵
                          PID:344
                          • C:\Windows\System32\wbem\WMIC.exe
                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{20A56F80-1895-41DB-A5AF-7C27AAEBF117}'" delete
                            3⤵
                              PID:1760
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F952C30E-CC2E-48A2-AD6E-0ED9BD546C87}'" delete
                            2⤵
                              PID:2292
                              • C:\Windows\System32\wbem\WMIC.exe
                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F952C30E-CC2E-48A2-AD6E-0ED9BD546C87}'" delete
                                3⤵
                                  PID:2536
                              • C:\Windows\system32\cmd.exe
                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{61A0A08C-0A73-4CB4-A288-308DE7A45B97}'" delete
                                2⤵
                                  PID:2572
                                  • C:\Windows\System32\wbem\WMIC.exe
                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{61A0A08C-0A73-4CB4-A288-308DE7A45B97}'" delete
                                    3⤵
                                      PID:2448
                                  • C:\Windows\system32\cmd.exe
                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5CD49222-CE51-45F1-B986-E89641B076DB}'" delete
                                    2⤵
                                      PID:1576
                                      • C:\Windows\System32\wbem\WMIC.exe
                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5CD49222-CE51-45F1-B986-E89641B076DB}'" delete
                                        3⤵
                                          PID:2316
                                      • C:\Windows\system32\cmd.exe
                                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4F44CAA3-390E-4909-8266-9413DFCA4D0F}'" delete
                                        2⤵
                                          PID:2116
                                          • C:\Windows\System32\wbem\WMIC.exe
                                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4F44CAA3-390E-4909-8266-9413DFCA4D0F}'" delete
                                            3⤵
                                              PID:2384
                                          • C:\Windows\system32\cmd.exe
                                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E3AD3FCC-4BEA-4145-B94B-576C5C36CB5A}'" delete
                                            2⤵
                                              PID:868
                                              • C:\Windows\System32\wbem\WMIC.exe
                                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E3AD3FCC-4BEA-4145-B94B-576C5C36CB5A}'" delete
                                                3⤵
                                                  PID:1404
                                              • C:\Windows\system32\cmd.exe
                                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{81C7D94F-0024-4D75-BA29-2CF29325250A}'" delete
                                                2⤵
                                                  PID:1712
                                                  • C:\Windows\System32\wbem\WMIC.exe
                                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{81C7D94F-0024-4D75-BA29-2CF29325250A}'" delete
                                                    3⤵
                                                      PID:1608
                                                • C:\Windows\system32\vssvc.exe
                                                  C:\Windows\system32\vssvc.exe
                                                  1⤵
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  PID:2700

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • C:\Recovery\8ef2e3a2-20ee-11ee-b143-d66763f08456\How To Restore Your Files.txt

                                                  Filesize

                                                  1021B

                                                  MD5

                                                  cc40a2ba1af80ab73e9496c5a1b5dc2e

                                                  SHA1

                                                  5a927aad3208578199780627917985c677fd0f07

                                                  SHA256

                                                  a8363ff2d8ac192a8edd3aa9c8f7f3966ddefe1a3b65a9bc0566c2c79189fee4

                                                  SHA512

                                                  5faaf001854fc9f2d865fa9b1dc46e7aacabb4b6104323dc1c9fe142141871a735fdc7780f36ca4736867aaca7212472a1ac6197cd60c1f72782a9de034f4b45