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Overview

overview

10

Static

static

MOSS.exe

windows7_x64

10

MOSS.exe

windows10_x64

3

Resubmissions

26/04/2021, 08:34

210426-9lq7mp8pta 10

Analysis

  • max time kernel
    98s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    26/04/2021, 08:34

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General

  • Target

    MOSS.exe

  • Size

    190KB

  • MD5

    b1d5ffd0e1e56f056f429b9b96be08e3

  • SHA1

    46a09183d478f0ee9f5322e32ab38cbb0cdf444b

  • SHA256

    d29b8160e51dd29474f3464111fc888da8adb2bc2f0d4f29ce71219ffc846bd5

  • SHA512

    4c23dd6914234db4718569175722c5b8c7b65348a77504c9fcf6ff62a9088ac6643e3be875afd5546cec3d7ff188ab4e7457fd796ac964e8e1d72c2bfa74fa5c

Score
10/10
contiransomwarespywarestealer

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://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/ HTTPS VERSION : https://contirecovery.top 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--- cnxUZFg6NAi31LVHmHIEOjAUGxbCfnw6nFXLVywSJeUDFLkZ1Ket5UoxpcA98It8 ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.top

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 39 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MOSS.exe
    "C:\Users\Admin\AppData\Local\Temp\MOSS.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:1240
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5DF5AEE8-C2C6-41F9-A327-52A9D6E729EE}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1108
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5DF5AEE8-C2C6-41F9-A327-52A9D6E729EE}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:796
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D6B3DCDA-28EB-44CF-945C-B4D93AF77241}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:820
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D6B3DCDA-28EB-44CF-945C-B4D93AF77241}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1084
    • C:\Windows\system32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{CD906EB4-EAFD-4DB3-81A2-99391D930AA9}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1480
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{CD906EB4-EAFD-4DB3-81A2-99391D930AA9}'" delete
        3⤵
          PID:432
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{32958932-8E11-43B0-AC31-6B99594E4D00}'" delete
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:308
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{32958932-8E11-43B0-AC31-6B99594E4D00}'" delete
          3⤵
            PID:1704
        • C:\Windows\system32\cmd.exe
          cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{385FE97B-312C-483D-B1B8-607CA59A04B6}'" delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1504
          • C:\Windows\System32\wbem\WMIC.exe
            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{385FE97B-312C-483D-B1B8-607CA59A04B6}'" delete
            3⤵
              PID:240
          • C:\Windows\system32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{77D65635-69D3-422D-87E3-4146A6665F55}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:756
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{77D65635-69D3-422D-87E3-4146A6665F55}'" delete
              3⤵
                PID:1468
            • C:\Windows\system32\cmd.exe
              cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1210D522-0704-4EBB-A15E-008D93F648D2}'" delete
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:656
              • C:\Windows\System32\wbem\WMIC.exe
                C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{1210D522-0704-4EBB-A15E-008D93F648D2}'" delete
                3⤵
                  PID:744
              • C:\Windows\system32\cmd.exe
                cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AAAD01A2-C6EB-4ADB-A43B-E56007843F7E}'" delete
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:432
                • C:\Windows\System32\wbem\WMIC.exe
                  C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{AAAD01A2-C6EB-4ADB-A43B-E56007843F7E}'" delete
                  3⤵
                    PID:596
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BC45FBA6-DD27-4112-A4DB-130E06CF6CCF}'" delete
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1704
                  • C:\Windows\System32\wbem\WMIC.exe
                    C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BC45FBA6-DD27-4112-A4DB-130E06CF6CCF}'" delete
                    3⤵
                      PID:1564
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{77E3A4FE-8BEE-45BE-825F-0485AEA4AAAE}'" delete
                    2⤵
                      PID:240
                      • C:\Windows\System32\wbem\WMIC.exe
                        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{77E3A4FE-8BEE-45BE-825F-0485AEA4AAAE}'" delete
                        3⤵
                          PID:572
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{9ACDAEEF-8B35-46A6-8E5B-CD19B0E97795}'" delete
                        2⤵
                          PID:1468
                          • C:\Windows\System32\wbem\WMIC.exe
                            C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{9ACDAEEF-8B35-46A6-8E5B-CD19B0E97795}'" delete
                            3⤵
                              PID:1512
                        • C:\Windows\system32\vssvc.exe
                          C:\Windows\system32\vssvc.exe
                          1⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1248
                        • C:\Windows\system32\NOTEPAD.EXE
                          "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\readme.txt
                          1⤵
                          • Opens file in notepad (likely ransom note)
                          PID:308
                        • C:\Windows\explorer.exe
                          "C:\Windows\explorer.exe"
                          1⤵
                            PID:520

                          Network

                          MITRE ATT&CK Enterprise v6

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                          Downloads

                          • memory/308-82-0x000007FEFB591000-0x000007FEFB593000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/1240-59-0x00000000752B1000-0x00000000752B3000-memory.dmp

                            Filesize

                            8KB

                            Download