Analysis

  • max time kernel
    127s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 11:04

General

  • Target

    1ce8a939b3e7d84c59c12dc9e1091532f4336dac533847b6533b01d9dcf494e9.exe

  • Size

    190KB

  • MD5

    2dc5a4338d438ea4e78878cff4cfe2cf

  • SHA1

    cfdd6e3a69b12d43af94cb0441db3e1ef93f74f8

  • SHA256

    1ce8a939b3e7d84c59c12dc9e1091532f4336dac533847b6533b01d9dcf494e9

  • SHA512

    32a8d6f2fa1e472aefa8cc41cb59b5b67e84d336ca35c5b1f5d2a2ad2eae5a7ba1cbfba17f75261b0220a5d896b72bb4b95c5c86a6c8bda4b9bf50463f2222fc

  • SSDEEP

    3072:mbgz9OJcW+b7d55P96aqwKDpi68oLlmqMVHKXhtK+Ux/fcVIx5xa:59uQb7V9KwKDpiSLl6B6hmplPa

Malware Config

Extracted

Path

C:\readme.txt

Family

conti

Ransom Note
All of your files are currently encrypted by CONTI ransomware. If you try to use any additional recovery software - the files might be damaged or lost. To make sure that we REALLY CAN recover data - we offer you to decrypt samples. You can contact us 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.top/ YOU SHOULD BE AWARE! Just in case, if you try to ignore us. We've downloaded your 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 ASAP ---BEGIN ID--- FQ6C1V320lsGoEpDS1i4SFkTzLnOQ9vSXpwMwYdsE7CL2myTZeHVHuuqtzHQGOpB ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.top/

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Modifies extensions of user files 10 IoCs

    Ransomware generally changes the extension on encrypted files.

  • 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ce8a939b3e7d84c59c12dc9e1091532f4336dac533847b6533b01d9dcf494e9.exe
    "C:\Users\Admin\AppData\Local\Temp\1ce8a939b3e7d84c59c12dc9e1091532f4336dac533847b6533b01d9dcf494e9.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:1324
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C732AD79-2676-4478-8324-E2E272CAF080}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1764
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C732AD79-2676-4478-8324-E2E272CAF080}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1504
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{45550C23-6DFB-4834-9ABC-F675394A6854}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:988
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{45550C23-6DFB-4834-9ABC-F675394A6854}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1104
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F6938AA3-B544-40A1-A284-715405CED94A}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1152
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{F6938AA3-B544-40A1-A284-715405CED94A}'" delete
        3⤵
          PID:1320
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{8853E473-3443-449E-AAF8-26AC0385AFF7}'" delete
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2028
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{8853E473-3443-449E-AAF8-26AC0385AFF7}'" delete
          3⤵
            PID:1976
        • C:\Windows\system32\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{32414A6B-2923-454B-A3BB-E9B00E9B2986}'" delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:800
          • C:\Windows\System32\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{32414A6B-2923-454B-A3BB-E9B00E9B2986}'" delete
            3⤵
              PID:1880
          • C:\Windows\system32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BCF16990-7DF6-4662-9B38-824EDB783776}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:880
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BCF16990-7DF6-4662-9B38-824EDB783776}'" delete
              3⤵
                PID:700
            • C:\Windows\system32\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{027188E6-24B0-4B24-9D58-D7193261822A}'" delete
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:956
              • C:\Windows\System32\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{027188E6-24B0-4B24-9D58-D7193261822A}'" delete
                3⤵
                  PID:1424
              • C:\Windows\system32\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D681C056-F0A9-42F1-85A2-F1D5A0FE4CCE}'" delete
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1720
                • C:\Windows\System32\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D681C056-F0A9-42F1-85A2-F1D5A0FE4CCE}'" delete
                  3⤵
                    PID:564
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{B5943E2F-FD3F-483F-BBA5-85D18C020F6E}'" delete
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1304
                  • C:\Windows\System32\wbem\WMIC.exe
                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{B5943E2F-FD3F-483F-BBA5-85D18C020F6E}'" delete
                    3⤵
                      PID:828
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7929D406-7E7D-435F-B083-B0D09E608D4F}'" delete
                    2⤵
                      PID:1612
                      • C:\Windows\System32\wbem\WMIC.exe
                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7929D406-7E7D-435F-B083-B0D09E608D4F}'" delete
                        3⤵
                          PID:1396
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{36515C56-E730-408F-82A1-A9626EFDC2F1}'" delete
                        2⤵
                          PID:1592
                          • C:\Windows\System32\wbem\WMIC.exe
                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{36515C56-E730-408F-82A1-A9626EFDC2F1}'" delete
                            3⤵
                              PID:1920
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{87213D3E-FD2A-47BF-8D96-3FF4F798C525}'" delete
                            2⤵
                              PID:2000
                              • C:\Windows\System32\wbem\WMIC.exe
                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{87213D3E-FD2A-47BF-8D96-3FF4F798C525}'" delete
                                3⤵
                                  PID:1384
                              • C:\Windows\system32\cmd.exe
                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7A8C3DC0-DEAE-40C7-934A-660B3554D3C6}'" delete
                                2⤵
                                  PID:1360
                                  • C:\Windows\System32\wbem\WMIC.exe
                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{7A8C3DC0-DEAE-40C7-934A-660B3554D3C6}'" delete
                                    3⤵
                                      PID:1948
                                  • C:\Windows\system32\cmd.exe
                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C4AF679B-8326-4DC6-B011-7C01D31BB82B}'" delete
                                    2⤵
                                      PID:524
                                      • C:\Windows\System32\wbem\WMIC.exe
                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{C4AF679B-8326-4DC6-B011-7C01D31BB82B}'" delete
                                        3⤵
                                          PID:544
                                      • C:\Windows\system32\cmd.exe
                                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4D32BA93-B973-4E0C-9F15-8428C9A8DFB3}'" delete
                                        2⤵
                                          PID:956
                                          • C:\Windows\System32\wbem\WMIC.exe
                                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4D32BA93-B973-4E0C-9F15-8428C9A8DFB3}'" delete
                                            3⤵
                                              PID:1012
                                          • C:\Windows\system32\cmd.exe
                                            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{72BDF867-2970-424B-9779-B003388921BA}'" delete
                                            2⤵
                                              PID:1720
                                              • C:\Windows\System32\wbem\WMIC.exe
                                                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{72BDF867-2970-424B-9779-B003388921BA}'" delete
                                                3⤵
                                                  PID:1604
                                              • C:\Windows\system32\cmd.exe
                                                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{3D7B6E54-2B77-45E2-BB4D-141B0CA58407}'" delete
                                                2⤵
                                                  PID:1376
                                                  • C:\Windows\System32\wbem\WMIC.exe
                                                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{3D7B6E54-2B77-45E2-BB4D-141B0CA58407}'" delete
                                                    3⤵
                                                      PID:1572
                                                  • C:\Windows\system32\cmd.exe
                                                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AD0465AE-A9BC-47E2-828C-9B0AD88BD954}'" delete
                                                    2⤵
                                                      PID:1828
                                                      • C:\Windows\System32\wbem\WMIC.exe
                                                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AD0465AE-A9BC-47E2-828C-9B0AD88BD954}'" delete
                                                        3⤵
                                                          PID:1924
                                                    • C:\Windows\system32\vssvc.exe
                                                      C:\Windows\system32\vssvc.exe
                                                      1⤵
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:672

                                                    Network

                                                    MITRE ATT&CK Enterprise v6

                                                    Replay Monitor

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                                                    Downloads

                                                    • memory/1324-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

                                                      Filesize

                                                      8KB