Analysis

  • max time kernel
    153s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 04:24

General

  • Target

    8b26138a0e371f06fb51679c8d89f661c6ace3d35a90e569887a1b14ac5938e7.exe

  • Size

    196KB

  • MD5

    b11ea7564115dbf8de1d73c916d8caa2

  • SHA1

    5c72eba30754f697f4ed1d0f3b344e4cd3dbd937

  • SHA256

    8b26138a0e371f06fb51679c8d89f661c6ace3d35a90e569887a1b14ac5938e7

  • SHA512

    7eed10a5fff17d16583ea8578eafcbf3d81fb98eb6e73a94e93d7c0286c1e47a979dffc874e0de57b873ff2c4a49f3f1d3306108c9cb70127ad58ec91abef6d9

Score
10/10

Malware Config

Extracted

Path

C:\readme.txt

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--- pxQOj6TzfueyRQf8nzKOBwfpFTsRxyp3iQZVFmKKLmMQFCcHNQ3A5Tbf8MIG6jOQ ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.xyz/

Signatures

  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops desktop.ini file(s) 29 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\8b26138a0e371f06fb51679c8d89f661c6ace3d35a90e569887a1b14ac5938e7.exe
    "C:\Users\Admin\AppData\Local\Temp\8b26138a0e371f06fb51679c8d89f661c6ace3d35a90e569887a1b14ac5938e7.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:1940
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{9E6B4C83-E397-4517-8DA9-3484AF0AD84A}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1656
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{9E6B4C83-E397-4517-8DA9-3484AF0AD84A}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1552
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C39B6211-31BD-4714-8535-1220FA86C225}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:816
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C39B6211-31BD-4714-8535-1220FA86C225}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:608
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{00CC08EC-00AD-4AA8-AF16-B3F4F224E56A}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{00CC08EC-00AD-4AA8-AF16-B3F4F224E56A}'" delete
        3⤵
          PID:1800
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{9B0FF658-0C54-4EB3-9B69-1DA1FB9B2C27}'" delete
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:996
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{9B0FF658-0C54-4EB3-9B69-1DA1FB9B2C27}'" delete
          3⤵
            PID:1756
        • C:\Windows\system32\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BD3219A2-9723-4FB9-975E-9F39890481B3}'" delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1708
          • C:\Windows\System32\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BD3219A2-9723-4FB9-975E-9F39890481B3}'" delete
            3⤵
              PID:1636
          • C:\Windows\system32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5106A401-EE5E-40A2-BB45-05B36DB087C7}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1620
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5106A401-EE5E-40A2-BB45-05B36DB087C7}'" delete
              3⤵
                PID:1444
            • C:\Windows\system32\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{8183FD06-C119-473D-B4A2-E73D4BF85C63}'" delete
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1772
              • C:\Windows\System32\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{8183FD06-C119-473D-B4A2-E73D4BF85C63}'" delete
                3⤵
                  PID:912
              • C:\Windows\system32\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AC1A004E-B2DB-49B0-9331-2F2CC053D3DA}'" delete
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1604
                • C:\Windows\System32\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AC1A004E-B2DB-49B0-9331-2F2CC053D3DA}'" delete
                  3⤵
                    PID:2028
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{ADB940AD-0A35-462E-9FEB-ACC3FC9BC5A1}'" delete
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1192
                  • C:\Windows\System32\wbem\WMIC.exe
                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{ADB940AD-0A35-462E-9FEB-ACC3FC9BC5A1}'" delete
                    3⤵
                      PID:1376
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7A2524F2-6C16-47EF-938D-0890A33A8DBA}'" delete
                    2⤵
                      PID:704
                      • C:\Windows\System32\wbem\WMIC.exe
                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7A2524F2-6C16-47EF-938D-0890A33A8DBA}'" delete
                        3⤵
                          PID:836
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{703828D3-18E3-4962-B702-5FA1F0BACDF6}'" delete
                        2⤵
                          PID:1308
                          • C:\Windows\System32\wbem\WMIC.exe
                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{703828D3-18E3-4962-B702-5FA1F0BACDF6}'" delete
                            3⤵
                              PID:1000
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{00AFFCD2-8CEA-41F5-8D20-3B81FD754182}'" delete
                            2⤵
                              PID:1792
                              • C:\Windows\System32\wbem\WMIC.exe
                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{00AFFCD2-8CEA-41F5-8D20-3B81FD754182}'" delete
                                3⤵
                                  PID:288
                              • C:\Windows\system32\cmd.exe
                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1FC5D151-5000-4A63-8B37-619EA4D209F3}'" delete
                                2⤵
                                  PID:820
                                  • C:\Windows\System32\wbem\WMIC.exe
                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1FC5D151-5000-4A63-8B37-619EA4D209F3}'" delete
                                    3⤵
                                      PID:1496
                                • C:\Windows\system32\vssvc.exe
                                  C:\Windows\system32\vssvc.exe
                                  1⤵
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:1164

                                Network

                                MITRE ATT&CK Matrix

                                Replay Monitor

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                                Downloads

                                • memory/1940-55-0x00000000760F1000-0x00000000760F3000-memory.dmp

                                  Filesize

                                  8KB