Overview

overview

10

Static

static

3

CONTI.exe

windows7-x64

10

CONTI.exe

windows10-2004-x64

10

Resubmissions

16-03-2024 19:39

240316-yc7kkaae5w 10

10-03-2024 13:40

240310-qykzpadh8w 10

10-03-2024 12:36

240310-psyg6acg33 10

Analysis

  • max time kernel
    658s
  • max time network
    656s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-03-2024 13:40

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General

  • Target

    CONTI.exe

  • Size

    196KB

  • MD5

    58b16b1ea734d18960927cd68040c72d

  • SHA1

    ab31613ceb08db6aea6b90370e259be1e9243070

  • SHA256

    58ca4e482db7cf5c924256e53d8516d422e76cf4b85b43dc2b9ba0c7cb471ff7

  • SHA512

    7b2b180005974afef8be76431c06eb22910d67863d80f738999030aa0a9707421ecb847a864b9a1c2a4fd03909fd35377d44276e69586a33c2fcb8ce4c8371f1

  • SSDEEP

    3072:CLJGBP1t82ETTwPAobQ3tOqmb14Gul22QZkN7S44EXZ50Rx6:gJEPCTwPp03YqyNulakHu6

Score
10/10
contiransomwarespywarestealer

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.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--- 3oGjGn43irQZrKl1Tykk77x4alv7UkOkD9ru3aywuSN0ufrLAF1rZS40oEtMRe2j ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.top/

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Renames multiple (7355) files with added filename extension

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

    ransomware
  • Drops startup file 1 IoCs
  • 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) 31 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\CONTI.exe
    "C:\Users\Admin\AppData\Local\Temp\CONTI.exe"
    1⤵
      PID:2436
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 292
        2⤵
        • Program crash
        PID:4216
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2436 -ip 2436
      1⤵
        PID:4320
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:2452
        • C:\Windows\system32\OpenWith.exe
          C:\Windows\system32\OpenWith.exe -Embedding
          1⤵
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:2108
        • C:\Users\Admin\AppData\Local\Temp\CONTI.exe
          "C:\Users\Admin\AppData\Local\Temp\CONTI.exe"
          1⤵
          • Drops startup file
          • Drops desktop.ini file(s)
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:5088
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D4DF5D4A-8D43-46DC-A4CE-B74ED9BE0069}'" delete
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:664
            • C:\Windows\System32\wbem\WMIC.exe
              C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D4DF5D4A-8D43-46DC-A4CE-B74ED9BE0069}'" delete
              3⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2908
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3236
        • 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:2376
        • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
          "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\Documents\These.docx" /o ""
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:2736
          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe
            OfficeC2RClient.exe /error PID=2736 ProcessName="Microsoft Word" UIType=3 ErrorSource=0x8b10082a ErrorCode=0x80004005 ShowUI=1
            2⤵
            • Process spawned unexpected child process
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            PID:4736

        Network

        MITRE ATT&CK Enterprise v15

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        Downloads

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

          1KB

          MD5

          b87b63355379f17bb06a2570c8d88b04

          SHA1

          84d6a08e78da221fea6ec46fe7b7ac87412e23c2

          SHA256

          284959ed3f68fb912cb141ef31b4ad4b53147bd1082ec1ed83bd08af729d09d1

          SHA512

          bad79ae1efc718a90e089b9cdea8bfb149adbcddfc79cef529ab11055ce723a23608402b78e2655e5d5f9c72e26726390a1dbb24a2abfaca6e964e26e36c275e

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