Analysis

  • max time kernel
    159s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 04:24

General

  • Target

    c57d20e273337da5239f1573212adc60eacf470873e67ea135508c7c749da37b.exe

  • Size

    170KB

  • MD5

    04ad1d87185dddc361183349a1422bb9

  • SHA1

    db0cb2e6da298f692d2ddfb1093bbac147cf5afa

  • SHA256

    c57d20e273337da5239f1573212adc60eacf470873e67ea135508c7c749da37b

  • SHA512

    40c15ecffa6834260574ae54574ff6aa5ce04ac02514d5c77e40862ff06dc0f70c8272f51b9bf0bf18d2200648985e86648298d82654864bf06d05028a84637e

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://contirec7nchr45rx6ympez5rjldibnqzh7lsa56lvjvaeywhvoj3wad.onion/wFHogWmXLALGogxBn3kZjCjktZyPGnfVwj8uB3JFXQ0nUC6jrvJ8Eq5AwdbM6zUo 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--- wFHogWmXLALGogxBn3kZjCjktZyPGnfVwj8uB3JFXQ0nUC6jrvJ8Eq5AwdbM6zUo ---END ID---
URLs

http://contirec7nchr45rx6ympez5rjldibnqzh7lsa56lvjvaeywhvoj3wad.onion/wFHogWmXLALGogxBn3kZjCjktZyPGnfVwj8uB3JFXQ0nUC6jrvJ8Eq5AwdbM6zUo

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Modifies extensions of user files 5 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops desktop.ini file(s) 31 IoCs
  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\c57d20e273337da5239f1573212adc60eacf470873e67ea135508c7c749da37b.exe
    "C:\Users\Admin\AppData\Local\Temp\c57d20e273337da5239f1573212adc60eacf470873e67ea135508c7c749da37b.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:1876
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E44615B8-B9B5-4870-9DD9-8A8542723199}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1820
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E44615B8-B9B5-4870-9DD9-8A8542723199}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:968
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{84F4B8C3-25A2-4458-A56F-8519E36811F7}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1824
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{84F4B8C3-25A2-4458-A56F-8519E36811F7}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1240
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{744FE292-20A5-4AFC-BD35-933034B0EF11}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1328
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{744FE292-20A5-4AFC-BD35-933034B0EF11}'" delete
        3⤵
          PID:1532
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A95C7851-06D0-4CCA-A3E1-B1F1626F096E}'" delete
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1016
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A95C7851-06D0-4CCA-A3E1-B1F1626F096E}'" delete
          3⤵
            PID:1828
        • C:\Windows\system32\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{14A1A80C-9E7C-48D0-86C2-448827344C94}'" delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1776
          • C:\Windows\System32\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{14A1A80C-9E7C-48D0-86C2-448827344C94}'" delete
            3⤵
              PID:1136
          • C:\Windows\system32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{44676B88-09A9-4F29-B5AA-1A29E20A4F75}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:556
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{44676B88-09A9-4F29-B5AA-1A29E20A4F75}'" delete
              3⤵
                PID:920
            • C:\Windows\system32\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A848EC9E-3173-4948-B6B3-92AA790A398D}'" delete
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:912
              • C:\Windows\System32\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A848EC9E-3173-4948-B6B3-92AA790A398D}'" delete
                3⤵
                  PID:880
              • C:\Windows\system32\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{847CDF19-2016-4A38-AFDE-ACAACC042E32}'" delete
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1616
                • C:\Windows\System32\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{847CDF19-2016-4A38-AFDE-ACAACC042E32}'" delete
                  3⤵
                    PID:1064
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{149E22FF-26D8-4174-B024-D9A099D41A26}'" delete
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1552
                  • C:\Windows\System32\wbem\WMIC.exe
                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{149E22FF-26D8-4174-B024-D9A099D41A26}'" delete
                    3⤵
                      PID:1384
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7AB0E411-B327-4F16-BBD1-9AE4F37B7704}'" delete
                    2⤵
                      PID:1668
                      • C:\Windows\System32\wbem\WMIC.exe
                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7AB0E411-B327-4F16-BBD1-9AE4F37B7704}'" delete
                        3⤵
                          PID:788
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{469B32FA-07FA-4E77-BD92-42CDE468BDF3}'" delete
                        2⤵
                          PID:1140
                          • C:\Windows\System32\wbem\WMIC.exe
                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{469B32FA-07FA-4E77-BD92-42CDE468BDF3}'" delete
                            3⤵
                              PID:1628
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6531F51C-FE63-4790-8958-D5812779895E}'" delete
                            2⤵
                              PID:1808
                              • C:\Windows\System32\wbem\WMIC.exe
                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6531F51C-FE63-4790-8958-D5812779895E}'" delete
                                3⤵
                                  PID:1716
                              • C:\Windows\system32\cmd.exe
                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{410940A4-BA5D-4F4E-B015-F25CD66FA904}'" delete
                                2⤵
                                  PID:972
                                  • C:\Windows\System32\wbem\WMIC.exe
                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{410940A4-BA5D-4F4E-B015-F25CD66FA904}'" delete
                                    3⤵
                                      PID:856
                                • C:\Windows\system32\vssvc.exe
                                  C:\Windows\system32\vssvc.exe
                                  1⤵
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:112

                                Network

                                MITRE ATT&CK Matrix

                                Replay Monitor

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                                Downloads

                                • memory/1876-54-0x0000000076001000-0x0000000076003000-memory.dmp

                                  Filesize

                                  8KB