Analysis

  • max time kernel
    152s
  • max time network
    93s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-05-2022 09:59

General

  • Target

    4f17d7fa344b970890ed1bc52a0da95146cab9fe56ecabafafacb0ad212558c9.exe

  • Size

    196KB

  • MD5

    40a5a507f169ce90ad972fb8c1feb405

  • SHA1

    0b7b778ac244a82694c4bf7818bfbea44f8ce7d7

  • SHA256

    4f17d7fa344b970890ed1bc52a0da95146cab9fe56ecabafafacb0ad212558c9

  • SHA512

    d7b7ed747175fecdbf7e35e96965de7cafff78c5fd20e351e219e01312b33836a3d26d6ee90eef662b590f2a3d8a0a5c3b3bab7ac8acdea6fbb00618218bb31a

Score
10/10

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.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--- 4C5vgfrLN5lYVhVYOrHK7ENa9GytbQOmpNgUIjyeAr8lROT5z1cscxMBiZcgyIZD ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.xyz/

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Modifies extensions of user files 10 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops desktop.ini file(s) 37 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:\Users\Admin\AppData\Local\Temp\4f17d7fa344b970890ed1bc52a0da95146cab9fe56ecabafafacb0ad212558c9.exe
    "C:\Users\Admin\AppData\Local\Temp\4f17d7fa344b970890ed1bc52a0da95146cab9fe56ecabafafacb0ad212558c9.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{89697DE0-8AFD-4B41-886A-B7EB72DF3AA8}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1764
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{89697DE0-8AFD-4B41-886A-B7EB72DF3AA8}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1328
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{004F80FF-D134-40FF-896B-3B02EA9DF238}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{004F80FF-D134-40FF-896B-3B02EA9DF238}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:428
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1CA373D3-0720-4AF4-934C-F884960206D5}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1788
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1CA373D3-0720-4AF4-934C-F884960206D5}'" delete
        3⤵
          PID:816
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C951ED94-9E18-4B0F-97B7-40AF0998ADB0}'" delete
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1912
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C951ED94-9E18-4B0F-97B7-40AF0998ADB0}'" delete
          3⤵
            PID:1908
        • C:\Windows\system32\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4231B339-4EB3-41AB-80A3-508C3288E141}'" delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:580
          • C:\Windows\System32\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4231B339-4EB3-41AB-80A3-508C3288E141}'" delete
            3⤵
              PID:1176
          • C:\Windows\system32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{41589B6B-50A3-47D7-925E-FED6576DD211}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:680
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{41589B6B-50A3-47D7-925E-FED6576DD211}'" delete
              3⤵
                PID:572
            • C:\Windows\system32\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1BB9D07F-059E-4013-BE7F-701EA09F706A}'" delete
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1032
              • C:\Windows\System32\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1BB9D07F-059E-4013-BE7F-701EA09F706A}'" delete
                3⤵
                  PID:1576
              • C:\Windows\system32\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{FFA87842-5434-47D1-B0BB-BECA3260BE04}'" delete
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1592
                • C:\Windows\System32\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{FFA87842-5434-47D1-B0BB-BECA3260BE04}'" delete
                  3⤵
                    PID:1572
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5E19154F-51FA-43F7-8302-9500D51540D3}'" delete
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1732
                  • C:\Windows\System32\wbem\WMIC.exe
                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5E19154F-51FA-43F7-8302-9500D51540D3}'" delete
                    3⤵
                      PID:1708
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{B9AEA514-75F1-434E-9AA1-C39F88C95D1D}'" delete
                    2⤵
                      PID:1072
                      • C:\Windows\System32\wbem\WMIC.exe
                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{B9AEA514-75F1-434E-9AA1-C39F88C95D1D}'" delete
                        3⤵
                          PID:1676
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2A0AA1B9-E21E-4FDC-81D9-A624B1BB2B8F}'" delete
                        2⤵
                          PID:468
                          • C:\Windows\System32\wbem\WMIC.exe
                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2A0AA1B9-E21E-4FDC-81D9-A624B1BB2B8F}'" delete
                            3⤵
                              PID:1640
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5AE464CA-8460-4455-AAA6-62AFB5670AE2}'" delete
                            2⤵
                              PID:1568
                              • C:\Windows\System32\wbem\WMIC.exe
                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5AE464CA-8460-4455-AAA6-62AFB5670AE2}'" delete
                                3⤵
                                  PID:1604
                              • C:\Windows\system32\cmd.exe
                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{B16F72DE-243A-40E3-9640-F63AFEB59182}'" delete
                                2⤵
                                  PID:836
                                  • C:\Windows\System32\wbem\WMIC.exe
                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{B16F72DE-243A-40E3-9640-F63AFEB59182}'" delete
                                    3⤵
                                      PID:856
                                  • C:\Windows\system32\cmd.exe
                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{8D2703CB-4AC0-4A10-B0F6-CFE9ADDD388D}'" delete
                                    2⤵
                                      PID:1204
                                      • C:\Windows\System32\wbem\WMIC.exe
                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{8D2703CB-4AC0-4A10-B0F6-CFE9ADDD388D}'" delete
                                        3⤵
                                          PID:1116
                                      • C:\Windows\system32\cmd.exe
                                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7F205D07-EA20-493C-BD37-BD4B6671BC69}'" delete
                                        2⤵
                                          PID:1700
                                          • C:\Windows\System32\wbem\WMIC.exe
                                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7F205D07-EA20-493C-BD37-BD4B6671BC69}'" delete
                                            3⤵
                                              PID:1424
                                          • C:\Windows\system32\cmd.exe
                                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5106895C-48BE-4DB1-BF9C-EAE864E896FA}'" delete
                                            2⤵
                                              PID:1644
                                              • C:\Windows\System32\wbem\WMIC.exe
                                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5106895C-48BE-4DB1-BF9C-EAE864E896FA}'" delete
                                                3⤵
                                                  PID:2020
                                              • C:\Windows\system32\cmd.exe
                                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EF76A732-49C6-4961-8222-635072F634E0}'" delete
                                                2⤵
                                                  PID:1956
                                                  • C:\Windows\System32\wbem\WMIC.exe
                                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EF76A732-49C6-4961-8222-635072F634E0}'" delete
                                                    3⤵
                                                      PID:520
                                                  • C:\Windows\system32\cmd.exe
                                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D35CD01D-C9C4-48E2-9FCB-16447CF65EAE}'" delete
                                                    2⤵
                                                      PID:624
                                                      • C:\Windows\System32\wbem\WMIC.exe
                                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D35CD01D-C9C4-48E2-9FCB-16447CF65EAE}'" delete
                                                        3⤵
                                                          PID:1676
                                                    • C:\Windows\system32\vssvc.exe
                                                      C:\Windows\system32\vssvc.exe
                                                      1⤵
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:2040

                                                    Network

                                                    MITRE ATT&CK Matrix

                                                    Replay Monitor

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                                                    Downloads

                                                    • memory/1480-54-0x0000000075871000-0x0000000075873000-memory.dmp

                                                      Filesize

                                                      8KB