Overview

overview

10

Static

static

efa0d4a79c...d8.dll

windows7_x64

10

efa0d4a79c...d8.dll

windows10-2004_x64

3

Resubmissions

18-03-2022 14:51

220318-r8kmcababr 10

17-03-2022 16:15

220317-tqqfzscde4 10

Analysis

  • max time kernel
    4294178s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    17-03-2022 16:15

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General

  • Target

    efa0d4a79c4c971c680ef8020bb526b07a13061f4eb68ee6f5af9e42c6364bd8.dll

  • Size

    1.1MB

  • MD5

    9f9c2bdf45f6a9940555fd1f009701ac

  • SHA1

    bd5b31a61969f10bada83618b27af8f3edf1cfc4

  • SHA256

    efa0d4a79c4c971c680ef8020bb526b07a13061f4eb68ee6f5af9e42c6364bd8

  • SHA512

    afaad1c71f2fd02b9c4641f640a0d39f07a4578b3f2f598be8626345eccde46290335e3c1fbc46a9c68a84640f8da012bc84c957b049f051860d4c0058007443

Score
10/10
contiransomwarespywarestealer

Malware Config

Extracted

Path

C:\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.ws 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--- PDUjTpuDovNaXeb01e2bZRldfXH8QTreggpulWu03iHd9w2hAHpldLxOtoYoQhFo ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.ws

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 46 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\efa0d4a79c4c971c680ef8020bb526b07a13061f4eb68ee6f5af9e42c6364bd8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\efa0d4a79c4c971c680ef8020bb526b07a13061f4eb68ee6f5af9e42c6364bd8.dll,#1
      2⤵
      • Modifies extensions of user files
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1824
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{DA557F00-6186-45EC-B466-71242AAC470E}'" delete
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:760
        • C:\Windows\SysWOW64\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{DA557F00-6186-45EC-B466-71242AAC470E}'" delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2000
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6F0EC44C-A83A-4A97-9001-21A10B35465B}'" delete
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1796
        • C:\Windows\SysWOW64\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6F0EC44C-A83A-4A97-9001-21A10B35465B}'" delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2004
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2B424206-4FC6-459D-B8D6-AFF5FAD364F4}'" delete
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1008
        • C:\Windows\SysWOW64\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2B424206-4FC6-459D-B8D6-AFF5FAD364F4}'" delete
          4⤵
            PID:1640
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{866E478C-A567-466F-86B4-2E706BFC5E3F}'" delete
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1060
          • C:\Windows\SysWOW64\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{866E478C-A567-466F-86B4-2E706BFC5E3F}'" delete
            4⤵
              PID:536
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{98ACD6C5-AB25-4AB8-87F1-D04AE4EF861F}'" delete
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1876
            • C:\Windows\SysWOW64\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{98ACD6C5-AB25-4AB8-87F1-D04AE4EF861F}'" delete
              4⤵
                PID:1108
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4EE865EB-55C9-483C-B431-35CEA8585A95}'" delete
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1592
              • C:\Windows\SysWOW64\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4EE865EB-55C9-483C-B431-35CEA8585A95}'" delete
                4⤵
                  PID:612
              • C:\Windows\SysWOW64\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AE370812-4B5A-4447-8B8A-E866F6584339}'" delete
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1144
                • C:\Windows\SysWOW64\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AE370812-4B5A-4447-8B8A-E866F6584339}'" delete
                  4⤵
                    PID:844
                • C:\Windows\SysWOW64\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{253D4845-6D95-4E1D-A690-62ED372FD28E}'" delete
                  3⤵
                    PID:972
                    • C:\Windows\SysWOW64\wbem\WMIC.exe
                      C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{253D4845-6D95-4E1D-A690-62ED372FD28E}'" delete
                      4⤵
                        PID:1772
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{338D74E8-18C2-4C2C-9212-47C0A8C9C4A7}'" delete
                      3⤵
                        PID:1988
                        • C:\Windows\SysWOW64\wbem\WMIC.exe
                          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{338D74E8-18C2-4C2C-9212-47C0A8C9C4A7}'" delete
                          4⤵
                            PID:1540
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{45BBA95D-F9EF-4FCD-ABE2-865D4B53F661}'" delete
                          3⤵
                            PID:1640
                            • C:\Windows\SysWOW64\wbem\WMIC.exe
                              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{45BBA95D-F9EF-4FCD-ABE2-865D4B53F661}'" delete
                              4⤵
                                PID:684
                            • C:\Windows\SysWOW64\cmd.exe
                              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{CEB7F9EC-6EF1-48E4-A758-4C3ECF22E10A}'" delete
                              3⤵
                                PID:536
                                • C:\Windows\SysWOW64\wbem\WMIC.exe
                                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{CEB7F9EC-6EF1-48E4-A758-4C3ECF22E10A}'" delete
                                  4⤵
                                    PID:1532
                                • C:\Windows\SysWOW64\cmd.exe
                                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{10A9C517-B618-4617-82EA-2CE1CDDF1E75}'" delete
                                  3⤵
                                    PID:1108
                                    • C:\Windows\SysWOW64\wbem\WMIC.exe
                                      C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{10A9C517-B618-4617-82EA-2CE1CDDF1E75}'" delete
                                      4⤵
                                        PID:1712
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{ADC5D82B-88FD-4989-906A-F161FBB47604}'" delete
                                      3⤵
                                        PID:612
                                        • C:\Windows\SysWOW64\wbem\WMIC.exe
                                          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{ADC5D82B-88FD-4989-906A-F161FBB47604}'" delete
                                          4⤵
                                            PID:1080
                                        • C:\Windows\SysWOW64\cmd.exe
                                          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{0B62459D-CCF7-486A-8395-65ED2B2FF546}'" delete
                                          3⤵
                                            PID:1544
                                            • C:\Windows\SysWOW64\wbem\WMIC.exe
                                              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{0B62459D-CCF7-486A-8395-65ED2B2FF546}'" delete
                                              4⤵
                                                PID:2028
                                            • C:\Windows\SysWOW64\cmd.exe
                                              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{74BDBEEA-5831-4799-9E93-72FB40B7735C}'" delete
                                              3⤵
                                                PID:836
                                                • C:\Windows\SysWOW64\wbem\WMIC.exe
                                                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{74BDBEEA-5831-4799-9E93-72FB40B7735C}'" delete
                                                  4⤵
                                                    PID:1604
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7EA17382-DBD9-43DD-8F5B-0F1D4E6F4298}'" delete
                                                  3⤵
                                                    PID:532
                                                    • C:\Windows\SysWOW64\wbem\WMIC.exe
                                                      C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7EA17382-DBD9-43DD-8F5B-0F1D4E6F4298}'" delete
                                                      4⤵
                                                        PID:1480
                                                    • C:\Windows\SysWOW64\cmd.exe
                                                      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E059F5C8-1528-4C9F-9811-21B413BC2DEE}'" delete
                                                      3⤵
                                                        PID:1084
                                                        • C:\Windows\SysWOW64\wbem\WMIC.exe
                                                          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E059F5C8-1528-4C9F-9811-21B413BC2DEE}'" delete
                                                          4⤵
                                                            PID:1184
                                                        • C:\Windows\SysWOW64\cmd.exe
                                                          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EACCCEC4-0D75-4ABA-B43E-9F185E6C1E53}'" delete
                                                          3⤵
                                                            PID:1212
                                                            • C:\Windows\SysWOW64\wbem\WMIC.exe
                                                              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EACCCEC4-0D75-4ABA-B43E-9F185E6C1E53}'" delete
                                                              4⤵
                                                                PID:1896
                                                        • C:\Windows\system32\vssvc.exe
                                                          C:\Windows\system32\vssvc.exe
                                                          1⤵
                                                          • Suspicious use of AdjustPrivilegeToken
                                                          PID:1392

                                                        Network

                                                        MITRE ATT&CK Enterprise v6

                                                        Replay Monitor

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                                                        Downloads

                                                        • memory/1824-54-0x00000000759B1000-0x00000000759B3000-memory.dmp

                                                          Filesize

                                                          8KB

                                                          Download

                                                        • memory/1824-55-0x00000000002C0000-0x00000000003E6000-memory.dmp

                                                          Filesize

                                                          1.1MB

                                                          Download

                                                        • memory/1824-56-0x0000000000550000-0x0000000000583000-memory.dmp

                                                          Filesize

                                                          204KB

                                                          Download

                                                        • memory/1824-57-0x0000000000550000-0x0000000000583000-memory.dmp

                                                          Filesize

                                                          204KB

                                                          Download

                                                        • memory/1824-58-0x00000000004E0000-0x0000000000515000-memory.dmp

                                                          Filesize

                                                          212KB

                                                          Download

                                                        • memory/1824-59-0x0000000000550000-0x0000000000583000-memory.dmp

                                                          Filesize

                                                          204KB

                                                          Download