Analysis

  • max time kernel
    155s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 19:51

General

  • Target

    f99c69327a746f4fde02b7a550cf6c9f48e5e22fcb49bea0e3e4bc5a3efa605c.exe

  • Size

    195KB

  • MD5

    c684ea612f487efd1f4088dc126cc83d

  • SHA1

    95ad974c8e2ecd5bcb49872b86ea358ae307d32c

  • SHA256

    f99c69327a746f4fde02b7a550cf6c9f48e5e22fcb49bea0e3e4bc5a3efa605c

  • SHA512

    d76f900a1e9ae8bfd4afe7ad1fd9dfb15b30d2873f93afb17567b2ff9e1af9444252213aded05484c51f645911819f378245b1edf4a2d12153b02672a35d8863

Score
10/10

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--- Dt4lwXZaTfHjp9jjabYkKS9ioci4ashdCKy6LCWsVyuaQAC3tui06Kp90xeCZ1c7 ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.xyz/

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f99c69327a746f4fde02b7a550cf6c9f48e5e22fcb49bea0e3e4bc5a3efa605c.exe
    "C:\Users\Admin\AppData\Local\Temp\f99c69327a746f4fde02b7a550cf6c9f48e5e22fcb49bea0e3e4bc5a3efa605c.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:420
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{17C5A010-80A0-4F9A-836F-BFCB14B6316C}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2332
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{17C5A010-80A0-4F9A-836F-BFCB14B6316C}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2768
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E9B5643F-8908-41A9-879A-BF3F65E24DF9}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1960
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E9B5643F-8908-41A9-879A-BF3F65E24DF9}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4736
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4896
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    PID:4584
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    PID:4836

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4584-130-0x000001754BB90000-0x000001754BBA0000-memory.dmp

    Filesize

    64KB

  • memory/4584-131-0x000001754C120000-0x000001754C130000-memory.dmp

    Filesize

    64KB

  • memory/4584-132-0x000001754E810000-0x000001754E814000-memory.dmp

    Filesize

    16KB