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Analysis

  • max time kernel
    162s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10/04/2024, 10:34

General

  • Target

    41896f40197a6160fcab046b5fc63a36d0805dbb1ca5a03af35b92b27d9a0eb5.exe

  • Size

    329KB

  • MD5

    f365f7f6c852c1ac172a331d75e8cad5

  • SHA1

    683100cbbdf110828e0ee5e4acf20fc17f596c7a

  • SHA256

    41896f40197a6160fcab046b5fc63a36d0805dbb1ca5a03af35b92b27d9a0eb5

  • SHA512

    054f22c4fbb377a08bc1c64d441d6b09d3f6451b6b1b2073e77da54fd05075a61dd650525e395d74491856602188ebaf0c19e157ad2153494bcdb2e2e35fc4b8

  • SSDEEP

    6144:8y4IzfDPuh+i2G1EVxJelMWEWEWfiN+DDo0fRjy1KGTKc4dPdEkBC92hOZg+7H:Lf6h+i2hxcKNtpGDFfxy1rK7dW2Cf7H

Score
10/10

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.ws 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--- nxGtsvw2bTXAT1KrASQNsiIDqMUk1njit8CpshTA40lnS7JPQpZTLdDQ1YYlM3YX ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.ws

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Renames multiple (3269) 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
  • 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\41896f40197a6160fcab046b5fc63a36d0805dbb1ca5a03af35b92b27d9a0eb5.exe
    "C:\Users\Admin\AppData\Local\Temp\41896f40197a6160fcab046b5fc63a36d0805dbb1ca5a03af35b92b27d9a0eb5.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A1FFFE2A-FCA2-46FB-AB3E-856A1E7D212E}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2060
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A1FFFE2A-FCA2-46FB-AB3E-856A1E7D212E}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2484
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{0FC48C72-9C18-47C6-8B58-44674A6F05C7}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:268
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{0FC48C72-9C18-47C6-8B58-44674A6F05C7}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:604
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{204EE53C-B0C6-465C-A10E-C7D01BB1DC56}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{204EE53C-B0C6-465C-A10E-C7D01BB1DC56}'" delete
        3⤵
          PID:3060
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EBE0BD6A-49EE-4877-9DF3-2402C31847DC}'" delete
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3008
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EBE0BD6A-49EE-4877-9DF3-2402C31847DC}'" delete
          3⤵
            PID:2480
        • C:\Windows\system32\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{9F15D746-ED0B-4572-94AE-1166A292DB55}'" delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2228
          • C:\Windows\System32\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{9F15D746-ED0B-4572-94AE-1166A292DB55}'" delete
            3⤵
              PID:1240
          • C:\Windows\system32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2A07542A-1109-4887-882A-BF29A37D8CD5}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2512
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2A07542A-1109-4887-882A-BF29A37D8CD5}'" delete
              3⤵
                PID:2796
            • C:\Windows\system32\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2AF7EC3A-8A71-4E82-A340-0C14FAF5465F}'" delete
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2840
              • C:\Windows\System32\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2AF7EC3A-8A71-4E82-A340-0C14FAF5465F}'" delete
                3⤵
                  PID:1200
              • C:\Windows\system32\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1DFBBAE0-E294-4355-95C6-36BFB92E0C52}'" delete
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2740
                • C:\Windows\System32\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1DFBBAE0-E294-4355-95C6-36BFB92E0C52}'" delete
                  3⤵
                    PID:1620
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C4095CEB-C8A5-4EF2-B87A-10A0EE0A7922}'" delete
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1344
                  • C:\Windows\System32\wbem\WMIC.exe
                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C4095CEB-C8A5-4EF2-B87A-10A0EE0A7922}'" delete
                    3⤵
                      PID:1680
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{68599A65-ABD7-47E8-9515-79BD8AE1303A}'" delete
                    2⤵
                      PID:2240
                      • C:\Windows\System32\wbem\WMIC.exe
                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{68599A65-ABD7-47E8-9515-79BD8AE1303A}'" delete
                        3⤵
                          PID:2172
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{91297E19-2CAD-413F-A07A-377C39D7CDFE}'" delete
                        2⤵
                          PID:2148
                          • C:\Windows\System32\wbem\WMIC.exe
                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{91297E19-2CAD-413F-A07A-377C39D7CDFE}'" delete
                            3⤵
                              PID:552
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4C666236-5F6A-4AEB-853C-1D58C067D79C}'" delete
                            2⤵
                              PID:1900
                              • C:\Windows\System32\wbem\WMIC.exe
                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4C666236-5F6A-4AEB-853C-1D58C067D79C}'" delete
                                3⤵
                                  PID:284
                              • C:\Windows\system32\cmd.exe
                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{45A30E27-E172-4F14-BA8C-41653AB26A7F}'" delete
                                2⤵
                                  PID:2104
                                  • C:\Windows\System32\wbem\WMIC.exe
                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{45A30E27-E172-4F14-BA8C-41653AB26A7F}'" delete
                                    3⤵
                                      PID:1428
                                  • C:\Windows\system32\cmd.exe
                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F3A6DF31-F853-49AE-8216-CCA97D39DF0D}'" delete
                                    2⤵
                                      PID:900
                                      • C:\Windows\System32\wbem\WMIC.exe
                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F3A6DF31-F853-49AE-8216-CCA97D39DF0D}'" delete
                                        3⤵
                                          PID:1764
                                      • C:\Windows\system32\cmd.exe
                                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A1706141-E98C-4DD8-B93C-0DF9ACA0A9B6}'" delete
                                        2⤵
                                          PID:1256
                                          • C:\Windows\System32\wbem\WMIC.exe
                                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A1706141-E98C-4DD8-B93C-0DF9ACA0A9B6}'" delete
                                            3⤵
                                              PID:1080
                                          • C:\Windows\system32\cmd.exe
                                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A32BE965-B73A-4EA7-8E0B-7DBEE93FB2E5}'" delete
                                            2⤵
                                              PID:808
                                              • C:\Windows\System32\wbem\WMIC.exe
                                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{A32BE965-B73A-4EA7-8E0B-7DBEE93FB2E5}'" delete
                                                3⤵
                                                  PID:912
                                              • C:\Windows\system32\cmd.exe
                                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{836E661F-607C-451E-A4A6-8F8E4A56E87A}'" delete
                                                2⤵
                                                  PID:2296
                                                  • C:\Windows\System32\wbem\WMIC.exe
                                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{836E661F-607C-451E-A4A6-8F8E4A56E87A}'" delete
                                                    3⤵
                                                      PID:2304
                                                  • C:\Windows\system32\cmd.exe
                                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{FF70A0D6-E5D2-4C1C-817F-7E56D7E90DC7}'" delete
                                                    2⤵
                                                      PID:800
                                                      • C:\Windows\System32\wbem\WMIC.exe
                                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{FF70A0D6-E5D2-4C1C-817F-7E56D7E90DC7}'" delete
                                                        3⤵
                                                          PID:1464
                                                    • C:\Windows\system32\vssvc.exe
                                                      C:\Windows\system32\vssvc.exe
                                                      1⤵
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:2440

                                                    Network

                                                    MITRE ATT&CK Matrix

                                                    Replay Monitor

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                                                    Downloads

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

                                                      Filesize

                                                      1KB

                                                      MD5

                                                      0ff023d9e019bb28379a77375272c2ee

                                                      SHA1

                                                      3c380eadd80214eaba0dfb65ae9e2be962fbefff

                                                      SHA256

                                                      59b5cf7e0c7fc4dec3122b6047814b4a01c6652598f9f58ee85451211d48b5e0

                                                      SHA512

                                                      44980825a0056c0d4805e1f13cb2d0c247271cd66344dd571cb6390ec16899363cfdee05e3b693b7bbd3ea4948d376ed91ee515d88c68607b737d9332a4f3cf6

                                                    • memory/2632-9-0x000000007EF70000-0x000000007EFA4000-memory.dmp

                                                      Filesize

                                                      208KB

                                                    • memory/2632-1-0x000000007EF70000-0x000000007EFA4000-memory.dmp

                                                      Filesize

                                                      208KB

                                                    • memory/2632-17-0x000000007EF70000-0x000000007EFA4000-memory.dmp

                                                      Filesize

                                                      208KB

                                                    • memory/2632-481-0x000000007EF70000-0x000000007EFA4000-memory.dmp

                                                      Filesize

                                                      208KB

                                                    • memory/2632-1431-0x000000007EF70000-0x000000007EFA4000-memory.dmp

                                                      Filesize

                                                      208KB

                                                    • memory/2632-1437-0x000000007EF70000-0x000000007EFA4000-memory.dmp

                                                      Filesize

                                                      208KB

                                                    • memory/2632-1439-0x000000007EF70000-0x000000007EFA4000-memory.dmp

                                                      Filesize

                                                      208KB