Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2024 15:36

General

  • Target

    dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe

  • Size

    515KB

  • MD5

    a90b7b9b327a86c2e1851dc83c36321c

  • SHA1

    3b74ed8f5fabf80b6e70fe8d9d7f7eb770d5a948

  • SHA256

    dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b

  • SHA512

    8ed05aa30d4b886dacb86eebd75ce7ec2a13fcfee5034f4a61d4ea5d6a7213c7ff6b2e34e6ab45ab074752315666f381a74686ad1af30f1573b735d2211fb6c4

  • SSDEEP

    3072:Y6LEBc2jrORnQssIJlc52L/JKY8/d7epmB98g89QP2EKOBzWk29YKvaEAJ:Y8EBc2jMQsdJlpL/J+/dB9rP2GRS

Malware Config

Extracted

Path

C:\Program Files (x86)\readme.txt

Family

conti

Ransom Note
All of your files are currently encrypted by CONTI strain. As you know (if you don't - just "google it"), all of the data that has been encrypted by our software cannot be recovered by any means without contacting our team directly. If you try to use any additional recovery software - the files might be damaged, so if you are willing to try - try it on the data of the lowest value. To make sure that we REALLY CAN get your data back - we offer you to decrypt 2 random files completely free of charge. You can contact our team directly for further instructions through our website : TOR VERSION : (you should download and install TOR browser first https://torproject.org) http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/ HTTPS VERSION : https://contirecovery.xyz/ YOU SHOULD BE AWARE! Just in case, if you try to ignore us. We've downloaded a pack of your internal data and are ready to publish it on out news website if you do not respond. So it will be better for both sides if you contact us as soon as possible. ---BEGIN ID--- xjQQ6zI9IWv1N6QnV5qrfoU1pTTuYIo23yPKUNgQjSoHd9dGOKNlScc9CP8Mi8pm ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.xyz/

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Renames multiple (66) files with added filename extension

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

  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 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\dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe
    "C:\Users\Admin\AppData\Local\Temp\dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A197463B-A376-47BF-9252-AC03BDD86B29}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2444
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A197463B-A376-47BF-9252-AC03BDD86B29}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2584
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{15162EC0-9BB8-4BA5-BB8A-1A74E55EE8B7}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{15162EC0-9BB8-4BA5-BB8A-1A74E55EE8B7}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2484
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EB7D1831-8677-49CE-8B9F-6036FBF06989}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EB7D1831-8677-49CE-8B9F-6036FBF06989}'" delete
        3⤵
          PID:2592
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{52C78F3C-4D8E-41CA-9A7B-DD9E7535A504}'" delete
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2156
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{52C78F3C-4D8E-41CA-9A7B-DD9E7535A504}'" delete
          3⤵
            PID:1656
        • C:\Windows\system32\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{57CD2AD2-16CD-4365-9353-54F57220614D}'" delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2728
          • C:\Windows\System32\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{57CD2AD2-16CD-4365-9353-54F57220614D}'" delete
            3⤵
              PID:2736
          • C:\Windows\system32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F85F65B6-1A6B-46B3-8030-36CB284EF50F}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2788
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F85F65B6-1A6B-46B3-8030-36CB284EF50F}'" delete
              3⤵
                PID:2164
            • C:\Windows\system32\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{FE1D49A5-E9F9-43B7-A188-1C7974ED3359}'" delete
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:568
              • C:\Windows\System32\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{FE1D49A5-E9F9-43B7-A188-1C7974ED3359}'" delete
                3⤵
                  PID:768
              • C:\Windows\system32\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7692C5BD-1376-46F4-BA95-B65485010A9E}'" delete
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1720
                • C:\Windows\System32\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7692C5BD-1376-46F4-BA95-B65485010A9E}'" delete
                  3⤵
                    PID:752
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{26B368C9-C678-48C5-8143-4E0352D71193}'" delete
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1780
                  • C:\Windows\System32\wbem\WMIC.exe
                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{26B368C9-C678-48C5-8143-4E0352D71193}'" delete
                    3⤵
                      PID:1908
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{899BF3A8-876A-4423-B857-3FA5035D1EE9}'" delete
                    2⤵
                      PID:1792
                      • C:\Windows\System32\wbem\WMIC.exe
                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{899BF3A8-876A-4423-B857-3FA5035D1EE9}'" delete
                        3⤵
                          PID:852
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{38F589A0-9640-42AD-AC74-49B0D5AD0B2B}'" delete
                        2⤵
                          PID:2876
                          • C:\Windows\System32\wbem\WMIC.exe
                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{38F589A0-9640-42AD-AC74-49B0D5AD0B2B}'" delete
                            3⤵
                              PID:2100
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{132315B9-AC3F-4B5C-85AA-738E52159FA0}'" delete
                            2⤵
                              PID:2516
                              • C:\Windows\System32\wbem\WMIC.exe
                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{132315B9-AC3F-4B5C-85AA-738E52159FA0}'" delete
                                3⤵
                                  PID:2260
                              • C:\Windows\system32\cmd.exe
                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{904AFFAC-1BEB-41E8-845C-C71BB894D655}'" delete
                                2⤵
                                  PID:112
                                  • C:\Windows\System32\wbem\WMIC.exe
                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{904AFFAC-1BEB-41E8-845C-C71BB894D655}'" delete
                                    3⤵
                                      PID:2104
                                  • C:\Windows\system32\cmd.exe
                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{172961EA-D089-4FEF-AE67-1D972D9D6FFB}'" delete
                                    2⤵
                                      PID:2324
                                      • C:\Windows\System32\wbem\WMIC.exe
                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{172961EA-D089-4FEF-AE67-1D972D9D6FFB}'" delete
                                        3⤵
                                          PID:1092
                                      • C:\Windows\system32\cmd.exe
                                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AB574FD9-4187-4615-90FC-AC3F7CF35CFF}'" delete
                                        2⤵
                                          PID:2248
                                          • C:\Windows\System32\wbem\WMIC.exe
                                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AB574FD9-4187-4615-90FC-AC3F7CF35CFF}'" delete
                                            3⤵
                                              PID:1364
                                          • C:\Windows\system32\cmd.exe
                                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{63194A19-5387-4EB8-9A03-ED5E3694AA72}'" delete
                                            2⤵
                                              PID:1392
                                              • C:\Windows\System32\wbem\WMIC.exe
                                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{63194A19-5387-4EB8-9A03-ED5E3694AA72}'" delete
                                                3⤵
                                                  PID:2832
                                              • C:\Windows\system32\cmd.exe
                                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E513FAEA-2632-418D-A58B-5A4C94A3DD05}'" delete
                                                2⤵
                                                  PID:892
                                                  • C:\Windows\System32\wbem\WMIC.exe
                                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E513FAEA-2632-418D-A58B-5A4C94A3DD05}'" delete
                                                    3⤵
                                                      PID:824
                                                  • C:\Windows\system32\cmd.exe
                                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F685AE4C-4B41-4E43-B572-118869BE2603}'" delete
                                                    2⤵
                                                      PID:3048
                                                      • C:\Windows\System32\wbem\WMIC.exe
                                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F685AE4C-4B41-4E43-B572-118869BE2603}'" delete
                                                        3⤵
                                                          PID:1536
                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                        C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 532
                                                        2⤵
                                                        • Program crash
                                                        PID:2884
                                                    • C:\Windows\system32\vssvc.exe
                                                      C:\Windows\system32\vssvc.exe
                                                      1⤵
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:2564

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

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                                                    Downloads

                                                    • C:\Program Files (x86)\readme.txt

                                                      Filesize

                                                      1KB

                                                      MD5

                                                      701579edee1063d1b39f483e86fbed79

                                                      SHA1

                                                      ba728b45f74c8fb9fe7cf1e9c01663283c3a06d2

                                                      SHA256

                                                      93aed46310470f2aa10dd3626ed13ae15819c9417497c01b22865664ec01afc8

                                                      SHA512

                                                      7e1ed8fab572f38325b1b0eb9e1b2afae438cf8387eb19d07481d2f09ed00416368701abec1d9c046947a42809ee83dd7859b159876837ff31ef2c23f2d67c96