Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 17:13

General

  • Target

    132f4e074a4739dfb574b8d32d3f9ddd70a1506dd76bae33ced3ed87d1f3695e.exe

  • Size

    515KB

  • MD5

    b9c56e7c05c5861cecbc3d99bf056c6a

  • SHA1

    1306b87b4ffbe513e19225d0bf5719f5f078e077

  • SHA256

    132f4e074a4739dfb574b8d32d3f9ddd70a1506dd76bae33ced3ed87d1f3695e

  • SHA512

    846666b9c0dc106931e7cbca61d759bc75aac5083bed636b8f00a9d2649c2f0d428515fd0d38e8f9d5879994681c97ce7c7d56031e0e821702240f4a6f54a96a

  • SSDEEP

    3072:HzyJa/EBc2jrORnQssIJZYKcgtHhGk528yJKY8/d7epmB98g89QP2EKO0+5Wk:HzymEBc2jMQsdJdBgHJ+/dB9rP2v+5R

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://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--- ec5sSORrGN3JYtjUtK7QvDv7ZtnFwgcUnCEmqJITc9YfyoAPydlyCoE1FHyB8wCq ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.xyz/

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Renames multiple (143) files with added filename extension

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

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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\132f4e074a4739dfb574b8d32d3f9ddd70a1506dd76bae33ced3ed87d1f3695e.exe
    "C:\Users\Admin\AppData\Local\Temp\132f4e074a4739dfb574b8d32d3f9ddd70a1506dd76bae33ced3ed87d1f3695e.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1840
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2BD6FB29-189E-4F99-9F99-651A72FEBF02}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2BD6FB29-189E-4F99-9F99-651A72FEBF02}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:584
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2D818798-4B47-458C-8916-CBECAE43B4FB}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2D818798-4B47-458C-8916-CBECAE43B4FB}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2160
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1BB337A5-A97C-4E3B-A953-6F743F6A68A9}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1BB337A5-A97C-4E3B-A953-6F743F6A68A9}'" delete
        3⤵
          PID:536
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6477892D-EC9E-4CBF-B454-FA61DC46F5FA}'" delete
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1232
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6477892D-EC9E-4CBF-B454-FA61DC46F5FA}'" delete
          3⤵
            PID:2404
        • C:\Windows\system32\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{56351986-B650-4647-8784-B3B760645DA4}'" delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2088
          • C:\Windows\System32\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{56351986-B650-4647-8784-B3B760645DA4}'" delete
            3⤵
              PID:1348
          • C:\Windows\system32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2265C065-B6B0-4775-9799-36B9FEE32622}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2900
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2265C065-B6B0-4775-9799-36B9FEE32622}'" delete
              3⤵
                PID:348
            • C:\Windows\system32\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1FABF953-9C39-45E5-BBE9-8EA6C9C47AFC}'" delete
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2788
              • C:\Windows\System32\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1FABF953-9C39-45E5-BBE9-8EA6C9C47AFC}'" delete
                3⤵
                  PID:2812
              • C:\Windows\system32\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{8B936CD8-A865-4FAC-8D84-CBCB07B701E1}'" delete
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:980
                • C:\Windows\System32\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{8B936CD8-A865-4FAC-8D84-CBCB07B701E1}'" delete
                  3⤵
                    PID:2884
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6309368E-BFB6-486E-98FD-95DB63CF8CCD}'" delete
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2964
                  • C:\Windows\System32\wbem\WMIC.exe
                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{6309368E-BFB6-486E-98FD-95DB63CF8CCD}'" delete
                    3⤵
                      PID:2948
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C86CD55D-C4A7-41EE-9996-50648480DCD1}'" delete
                    2⤵
                      PID:792
                      • C:\Windows\System32\wbem\WMIC.exe
                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C86CD55D-C4A7-41EE-9996-50648480DCD1}'" delete
                        3⤵
                          PID:592
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F1EC04A3-70A5-446C-82A7-F72478B1F67F}'" delete
                        2⤵
                          PID:636
                          • C:\Windows\System32\wbem\WMIC.exe
                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F1EC04A3-70A5-446C-82A7-F72478B1F67F}'" delete
                            3⤵
                              PID:1880
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D0EA2D8B-0324-4D6B-B67E-47501DE36B0D}'" delete
                            2⤵
                              PID:560
                              • C:\Windows\System32\wbem\WMIC.exe
                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D0EA2D8B-0324-4D6B-B67E-47501DE36B0D}'" delete
                                3⤵
                                  PID:2824
                              • C:\Windows\system32\cmd.exe
                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BF511B92-0D8F-4A7D-8D02-DBF4F564E117}'" delete
                                2⤵
                                  PID:2128
                                  • C:\Windows\System32\wbem\WMIC.exe
                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BF511B92-0D8F-4A7D-8D02-DBF4F564E117}'" delete
                                    3⤵
                                      PID:3048
                                  • C:\Windows\system32\cmd.exe
                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{49B72978-0008-434A-B917-90D3B1C2A77E}'" delete
                                    2⤵
                                      PID:1740
                                      • C:\Windows\System32\wbem\WMIC.exe
                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{49B72978-0008-434A-B917-90D3B1C2A77E}'" delete
                                        3⤵
                                          PID:1996
                                      • C:\Windows\system32\cmd.exe
                                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{CA9990C9-A884-4636-9E67-9D57557C520F}'" delete
                                        2⤵
                                          PID:824
                                          • C:\Windows\System32\wbem\WMIC.exe
                                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{CA9990C9-A884-4636-9E67-9D57557C520F}'" delete
                                            3⤵
                                              PID:1296
                                          • C:\Windows\system32\cmd.exe
                                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BDBC865F-CD95-469C-87CB-A93B7E42F6FC}'" delete
                                            2⤵
                                              PID:704
                                              • C:\Windows\System32\wbem\WMIC.exe
                                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BDBC865F-CD95-469C-87CB-A93B7E42F6FC}'" delete
                                                3⤵
                                                  PID:2324
                                              • C:\Windows\system32\cmd.exe
                                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F2239B57-C45C-479E-80DD-8AD930A4200B}'" delete
                                                2⤵
                                                  PID:564
                                                  • C:\Windows\System32\wbem\WMIC.exe
                                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F2239B57-C45C-479E-80DD-8AD930A4200B}'" delete
                                                    3⤵
                                                      PID:1696
                                                  • C:\Windows\system32\cmd.exe
                                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2ECE20AD-81EF-4472-98D5-76CDE183AA48}'" delete
                                                    2⤵
                                                      PID:1508
                                                      • C:\Windows\System32\wbem\WMIC.exe
                                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2ECE20AD-81EF-4472-98D5-76CDE183AA48}'" delete
                                                        3⤵
                                                          PID:1876
                                                    • C:\Windows\system32\vssvc.exe
                                                      C:\Windows\system32\vssvc.exe
                                                      1⤵
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:1600

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

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                                                    Downloads

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

                                                      Filesize

                                                      1KB

                                                      MD5

                                                      d030c401512051cf275eb9d2b61f327e

                                                      SHA1

                                                      eaf4022b5b6cd27b9e4a833d4863a3de6f65b819

                                                      SHA256

                                                      7d6b2b2e67b72d46d10f8dbf0233bd3fa94ac11d839148e305d0190268ca6edb

                                                      SHA512

                                                      e4d6864c785da9d703cc298b31f94887b914950fdb2ed635232e35baa6c4d8674fe8d327c1cde2808cbceb922136fcfe46d6591d6988125a09f414c2ec07df9d