Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 11:27

General

  • Target

    63061a372c41f5797f18dfeed166ec350e4029c46ad3c42ff79b8e284eb65ad6.exe

  • Size

    1.0MB

  • MD5

    d3d9ad65fb3fb6f1eae29527b61ae7c0

  • SHA1

    cdaaa01b42d3b4a325c11fdd7779ade9044e9946

  • SHA256

    63061a372c41f5797f18dfeed166ec350e4029c46ad3c42ff79b8e284eb65ad6

  • SHA512

    171b12d4e345e67a4bfa43e2be66b5e18ccd61d2dee0f7b520c995595d62c258f1a4a865c8b8cdf6a9aa0c7b467eb10989b3ddc5291f4196e95276b94ba1cb7c

  • SSDEEP

    24576:nZeCB1cqVAtVi+0ZMdbIudTkvk7WCuwJLMBhRCLlX:n8UTMdkGBuHKX

Malware Config

Extracted

Path

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

Family

conti

Ransom Note
All of your files are currently encrypted by CONTI ransomware. If you try to use any additional recovery software - the files might be damaged or lost. To make sure that we REALLY CAN recover data - we offer you to decrypt samples. You can contact us 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.click YOU SHOULD BE AWARE! Just in case, if you try to ignore us. We've downloaded your 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 ASAP ---BEGIN ID--- 8MGCXlEjLLwou0tFoQYUZj9ZTcMQsceR7KKS8uxqdm5vRusaXoRbuMayM1sxKpc8 ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.click

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Renames multiple (7914) files with added filename extension

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • 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\63061a372c41f5797f18dfeed166ec350e4029c46ad3c42ff79b8e284eb65ad6.exe
    "C:\Users\Admin\AppData\Local\Temp\63061a372c41f5797f18dfeed166ec350e4029c46ad3c42ff79b8e284eb65ad6.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4CAEAF13-4826-4421-825E-BA845C1D8E46}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2452
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4CAEAF13-4826-4421-825E-BA845C1D8E46}'" 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='{CCB3571B-7BA6-4B37-AFFE-17356E5670F9}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2492
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{CCB3571B-7BA6-4B37-AFFE-17356E5670F9}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2112
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A3972B6B-946F-4910-A92F-ADF310231A24}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1548
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A3972B6B-946F-4910-A92F-ADF310231A24}'" delete
        3⤵
          PID:1464
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{861906C3-9C2E-4652-B87E-2AEEA61D4CC3}'" delete
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2668
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{861906C3-9C2E-4652-B87E-2AEEA61D4CC3}'" delete
          3⤵
            PID:2768
        • C:\Windows\system32\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6FEB41CC-EF4C-4741-B148-8F420CDDBFE7}'" delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1744
          • C:\Windows\System32\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6FEB41CC-EF4C-4741-B148-8F420CDDBFE7}'" delete
            3⤵
              PID:2228
          • C:\Windows\system32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5B6F56B9-8BD7-4062-A0D4-165D4CC01A61}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1640
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5B6F56B9-8BD7-4062-A0D4-165D4CC01A61}'" delete
              3⤵
                PID:1036
            • C:\Windows\system32\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{04A8E7CA-DAF3-4C9C-A31B-202FD2AD3052}'" delete
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:500
              • C:\Windows\System32\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{04A8E7CA-DAF3-4C9C-A31B-202FD2AD3052}'" delete
                3⤵
                  PID:2248
              • C:\Windows\system32\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D491F645-097A-47D2-B1FE-B030ECA46B58}'" delete
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1648
                • C:\Windows\System32\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D491F645-097A-47D2-B1FE-B030ECA46B58}'" delete
                  3⤵
                    PID:2220
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4F5AF87F-91B0-4148-8D25-A6E3C7D5261B}'" delete
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1348
                  • C:\Windows\System32\wbem\WMIC.exe
                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4F5AF87F-91B0-4148-8D25-A6E3C7D5261B}'" delete
                    3⤵
                      PID:1240
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1EC354C0-E460-4212-9DBD-35887D7F039C}'" delete
                    2⤵
                      PID:2316
                      • C:\Windows\System32\wbem\WMIC.exe
                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1EC354C0-E460-4212-9DBD-35887D7F039C}'" delete
                        3⤵
                          PID:2292
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6AE5762F-D3E5-42E8-B593-27569CD51610}'" delete
                        2⤵
                          PID:1924
                          • C:\Windows\System32\wbem\WMIC.exe
                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6AE5762F-D3E5-42E8-B593-27569CD51610}'" delete
                            3⤵
                              PID:2816
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4CD08B63-DF1A-4905-975C-2C79D06AEF3B}'" delete
                            2⤵
                              PID:856
                              • C:\Windows\System32\wbem\WMIC.exe
                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4CD08B63-DF1A-4905-975C-2C79D06AEF3B}'" delete
                                3⤵
                                  PID:784
                              • C:\Windows\system32\cmd.exe
                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F78C8D4D-07A5-4C13-A91F-53E51AC04E47}'" delete
                                2⤵
                                  PID:1320
                                  • C:\Windows\System32\wbem\WMIC.exe
                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F78C8D4D-07A5-4C13-A91F-53E51AC04E47}'" delete
                                    3⤵
                                      PID:1664
                                  • C:\Windows\system32\cmd.exe
                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{47AE91EE-B05B-4A1E-8EFB-A033816B0334}'" delete
                                    2⤵
                                      PID:1868
                                      • C:\Windows\System32\wbem\WMIC.exe
                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{47AE91EE-B05B-4A1E-8EFB-A033816B0334}'" delete
                                        3⤵
                                          PID:2752
                                      • C:\Windows\system32\cmd.exe
                                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F4FC0231-DC89-4942-AF6C-12A842E588A8}'" delete
                                        2⤵
                                          PID:1800
                                          • C:\Windows\System32\wbem\WMIC.exe
                                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F4FC0231-DC89-4942-AF6C-12A842E588A8}'" delete
                                            3⤵
                                              PID:1156
                                          • C:\Windows\system32\cmd.exe
                                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EA8B0303-2EA2-4878-9F11-FCA6F8BF8696}'" delete
                                            2⤵
                                              PID:3040
                                              • C:\Windows\System32\wbem\WMIC.exe
                                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EA8B0303-2EA2-4878-9F11-FCA6F8BF8696}'" delete
                                                3⤵
                                                  PID:1792
                                              • C:\Windows\system32\cmd.exe
                                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{032A655B-93A2-4C4E-B04D-2BE0BAF8010E}'" delete
                                                2⤵
                                                  PID:1568
                                                  • C:\Windows\System32\wbem\WMIC.exe
                                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{032A655B-93A2-4C4E-B04D-2BE0BAF8010E}'" delete
                                                    3⤵
                                                      PID:1372
                                                  • C:\Windows\system32\cmd.exe
                                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{42230C3C-1DDF-484B-89B7-EB2DB4CDF51D}'" delete
                                                    2⤵
                                                      PID:3000
                                                      • C:\Windows\System32\wbem\WMIC.exe
                                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{42230C3C-1DDF-484B-89B7-EB2DB4CDF51D}'" delete
                                                        3⤵
                                                          PID:1368
                                                    • 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:\Program Files (x86)\readme.txt

                                                      Filesize

                                                      867B

                                                      MD5

                                                      3e9c3d04dab03530e2fc91b2370118b7

                                                      SHA1

                                                      e14b473b8415a54cdd0df5fce4fc2eb329145e86

                                                      SHA256

                                                      f4f6cc9d015f28fd0ee1ba639bd2770ef6cc6fa07d270e4df29f0d150d2e5605

                                                      SHA512

                                                      78d4db2f29afce504808f0621257d01240df5fb873775c6f44389a788ac39fd72a8fee3e76ea8d7fa5e5dc8a5eedcf95d170323a97a907dbd9d6c69ab6a9389b

                                                    • memory/2276-17555-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2276-9-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2276-17-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2276-1-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2276-12078-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2276-0-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2276-17557-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2276-17564-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2276-17567-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2276-17566-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2276-17565-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2276-17568-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2276-17573-0x0000000000070000-0x00000000000A5000-memory.dmp

                                                      Filesize

                                                      212KB