Overview

overview

10

Static

static

4f17d7fa34...c9.exe

windows7_x64

10

4f17d7fa34...c9.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    154s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-05-2022 09:45

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    4f17d7fa344b970890ed1bc52a0da95146cab9fe56ecabafafacb0ad212558c9.exe

  • Size

    196KB

  • MD5

    40a5a507f169ce90ad972fb8c1feb405

  • SHA1

    0b7b778ac244a82694c4bf7818bfbea44f8ce7d7

  • SHA256

    4f17d7fa344b970890ed1bc52a0da95146cab9fe56ecabafafacb0ad212558c9

  • SHA512

    d7b7ed747175fecdbf7e35e96965de7cafff78c5fd20e351e219e01312b33836a3d26d6ee90eef662b590f2a3d8a0a5c3b3bab7ac8acdea6fbb00618218bb31a

Score
10/10
contiransomware

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.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--- 4C5vgfrLN5lYVhVYOrHK7ENa9GytbQOmpNgUIjyeAr8lROT5z1cscxMBiZcgyIZD ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.xyz/

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops desktop.ini file(s) 24 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 45 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f17d7fa344b970890ed1bc52a0da95146cab9fe56ecabafafacb0ad212558c9.exe
    "C:\Users\Admin\AppData\Local\Temp\4f17d7fa344b970890ed1bc52a0da95146cab9fe56ecabafafacb0ad212558c9.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:4832
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{89F5743B-58D2-4223-8978-741B695C4895}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2452
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{89F5743B-58D2-4223-8978-741B695C4895}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1960
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4876
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    • Suspicious use of FindShellTrayWindow
    PID:4956

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\Desktop\readme.txt
    Filesize

    1KB

    MD5

    065ae1475af28e5600c74f7549385d7b

    SHA1

    8a7782a7185ca817e563b49ba8fb86605a6a9fbe

    SHA256

    ee48f402fa159076ceb709fc2bd5311522340b761714a694165b2eb2310d6249

    SHA512

    3c66c4c5b19a223a3267c83d259deac4e4279e9a8775e7b6688cd7a97b66c93667a067b1399938cb5cea73980601aa640d71ea329dd5c613c3a499a5780181e1

    Download Submit