Analysis

  • max time kernel
    129s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

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

General

  • Target

    5ace33358a8b11ae52050d02d2d6705f04bd47a27c6c6e28ef65028bbfaf5da9.exe

  • Size

    624KB

  • MD5

    7e18dd4a4b84f2f93eff4790f16e8e8b

  • SHA1

    3113dbbeb536000ac8175ccb6438355af41ab2eb

  • SHA256

    5ace33358a8b11ae52050d02d2d6705f04bd47a27c6c6e28ef65028bbfaf5da9

  • SHA512

    3edfa60480ec1e0a6b5ce01d99cf0156fe544a77944ccd87acf95dcd0667cdfe4a2b99e9988cee0e597de03aa96d8098ae3f324fe63ca37db688522e5ec87fca

  • SSDEEP

    12288:PCtVb4i2eVyASN5sPd9dLcch0xXnA1b0LLmu1:PCzUxQE5sPOU0xGo

Malware Config

Extracted

Path

C:\Program Files (x86)\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/MAYeHZzawPjL51jqGnH1euFenWdJSCSx4LjdiNz46bQ2ZPugz83x52n5vqW0O76L 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--- MAYeHZzawPjL51jqGnH1euFenWdJSCSx4LjdiNz46bQ2ZPugz83x52n5vqW0O76L ---END ID---
URLs

http://contirec7nchr45rx6ympez5rjldibnqzh7lsa56lvjvaeywhvoj3wad.onion/MAYeHZzawPjL51jqGnH1euFenWdJSCSx4LjdiNz46bQ2ZPugz83x52n5vqW0O76L

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Renames multiple (7924) files with added filename extension

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

  • Dave packer 1 IoCs

    Detects executable using a packer named 'Dave' by the community, based on a string at the end.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 46 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Modifies registry class 18 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 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\5ace33358a8b11ae52050d02d2d6705f04bd47a27c6c6e28ef65028bbfaf5da9.exe
    "C:\Users\Admin\AppData\Local\Temp\5ace33358a8b11ae52050d02d2d6705f04bd47a27c6c6e28ef65028bbfaf5da9.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EFEC896E-B8B0-438A-9EE8-D170D121BF16}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EFEC896E-B8B0-438A-9EE8-D170D121BF16}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2496
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5E590083-238F-4C62-B7AA-879901885D03}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2968
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5E590083-238F-4C62-B7AA-879901885D03}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1260
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1560DEBB-796E-45DD-8E59-41AEBCFF317D}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:788
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1560DEBB-796E-45DD-8E59-41AEBCFF317D}'" delete
        3⤵
          PID:312
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{577F18B6-B703-4463-B987-7DB378C2C720}'" delete
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2488
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{577F18B6-B703-4463-B987-7DB378C2C720}'" delete
          3⤵
            PID:2720
        • C:\Windows\system32\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1B6887A2-62D1-442B-BFC3-8F1509D58113}'" delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2732
          • C:\Windows\System32\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1B6887A2-62D1-442B-BFC3-8F1509D58113}'" delete
            3⤵
              PID:1192
          • C:\Windows\system32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{0A9C8F0A-5C21-46DA-A280-F9C8563A1D33}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1040
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{0A9C8F0A-5C21-46DA-A280-F9C8563A1D33}'" delete
              3⤵
                PID:2248
            • C:\Windows\system32\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EAC5C4B9-A630-49FF-A6FD-338AA76B6389}'" delete
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1232
              • C:\Windows\System32\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EAC5C4B9-A630-49FF-A6FD-338AA76B6389}'" delete
                3⤵
                  PID:268
              • C:\Windows\system32\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{16944CD2-5BF0-4C73-9E88-DEC08BCBF6A4}'" delete
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1048
                • C:\Windows\System32\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{16944CD2-5BF0-4C73-9E88-DEC08BCBF6A4}'" delete
                  3⤵
                    PID:564
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{947F8720-5BD7-4FDA-9EC6-5D4FA1862651}'" delete
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1012
                  • C:\Windows\System32\wbem\WMIC.exe
                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{947F8720-5BD7-4FDA-9EC6-5D4FA1862651}'" delete
                    3⤵
                      PID:784
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{3FE26E64-95BA-45D4-ACBA-E83EFACF64A1}'" delete
                    2⤵
                      PID:1636
                      • C:\Windows\System32\wbem\WMIC.exe
                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{3FE26E64-95BA-45D4-ACBA-E83EFACF64A1}'" delete
                        3⤵
                          PID:1692
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C44D6103-1AEE-4D36-9CAC-3C47783BA1C6}'" delete
                        2⤵
                          PID:1392
                          • C:\Windows\System32\wbem\WMIC.exe
                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C44D6103-1AEE-4D36-9CAC-3C47783BA1C6}'" delete
                            3⤵
                              PID:2856
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E8AF5878-BBB7-4B81-ACAB-C1E45C500F21}'" delete
                            2⤵
                              PID:2808
                              • C:\Windows\System32\wbem\WMIC.exe
                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E8AF5878-BBB7-4B81-ACAB-C1E45C500F21}'" delete
                                3⤵
                                  PID:2072
                              • C:\Windows\system32\cmd.exe
                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{00E5B278-6BF0-4721-87F3-4A9DD11F0405}'" delete
                                2⤵
                                  PID:2972
                                  • C:\Windows\System32\wbem\WMIC.exe
                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{00E5B278-6BF0-4721-87F3-4A9DD11F0405}'" delete
                                    3⤵
                                      PID:2080
                                  • C:\Windows\system32\cmd.exe
                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{3737B366-2C07-4157-880F-0BD00F79B589}'" delete
                                    2⤵
                                      PID:3044
                                      • C:\Windows\System32\wbem\WMIC.exe
                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{3737B366-2C07-4157-880F-0BD00F79B589}'" delete
                                        3⤵
                                          PID:3000
                                      • C:\Windows\system32\cmd.exe
                                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D338F28F-1914-4D9A-9B20-25504581CE12}'" delete
                                        2⤵
                                          PID:2152
                                          • C:\Windows\System32\wbem\WMIC.exe
                                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D338F28F-1914-4D9A-9B20-25504581CE12}'" delete
                                            3⤵
                                              PID:2144
                                          • C:\Windows\system32\cmd.exe
                                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AA6642C6-2ADB-4CB1-A6F1-C58D87E54DAE}'" delete
                                            2⤵
                                              PID:1740
                                              • C:\Windows\System32\wbem\WMIC.exe
                                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AA6642C6-2ADB-4CB1-A6F1-C58D87E54DAE}'" delete
                                                3⤵
                                                  PID:988
                                              • C:\Windows\system32\cmd.exe
                                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{02A23EE7-80B9-4021-BE3C-926444EA4DB0}'" delete
                                                2⤵
                                                  PID:1796
                                                  • C:\Windows\System32\wbem\WMIC.exe
                                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{02A23EE7-80B9-4021-BE3C-926444EA4DB0}'" delete
                                                    3⤵
                                                      PID:1380
                                                  • C:\Windows\system32\cmd.exe
                                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{72E69C31-FBAB-41AE-BA18-44633531E684}'" delete
                                                    2⤵
                                                      PID:2928
                                                      • C:\Windows\System32\wbem\WMIC.exe
                                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{72E69C31-FBAB-41AE-BA18-44633531E684}'" delete
                                                        3⤵
                                                          PID:2136
                                                    • C:\Windows\system32\vssvc.exe
                                                      C:\Windows\system32\vssvc.exe
                                                      1⤵
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:2860

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

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                                                    Downloads

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

                                                      Filesize

                                                      1KB

                                                      MD5

                                                      04a372cdd23f8bc91474d53be5d5b0bf

                                                      SHA1

                                                      1eb3b106975d8a53f16715bd930cdec461b8dfde

                                                      SHA256

                                                      ab27c0b6f29f6a547fd3b50eeeed06fb505a561635ca33a110d1a529ee64800b

                                                      SHA512

                                                      1dc9de3fb04a3ea1051451a56514eef45655cd4dfba56bdde524a81394f442d67ab6493b08400bd931ac51a61d19f7c8882b83ff762fd472de74b51576ac75a7

                                                    • memory/1944-2-0x00000000003A0000-0x00000000003D0000-memory.dmp

                                                      Filesize

                                                      192KB

                                                    • memory/1944-0-0x00000000002A0000-0x00000000002CE000-memory.dmp

                                                      Filesize

                                                      184KB

                                                    • memory/1944-6-0x00000000002A0000-0x00000000002CE000-memory.dmp

                                                      Filesize

                                                      184KB

                                                    • memory/1944-7-0x00000000004A0000-0x00000000004CF000-memory.dmp

                                                      Filesize

                                                      188KB