Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2024 15:32

General

  • Target

    3d08732963ffdae8596f89cdfd34a2ec24865278c0763221c003254eeaf67554.dll

  • Size

    510KB

  • MD5

    8b61e82104aa373f668adcd01f4c060a

  • SHA1

    9d1d4969b82eb562c5b3fa25551d83d5ab2fc1f9

  • SHA256

    3d08732963ffdae8596f89cdfd34a2ec24865278c0763221c003254eeaf67554

  • SHA512

    46f0965fcf0ec30f85b3226cd61225df93fe12a72a55aede85183418e3b8dd3461726828a2c3df6bb8049ce318f9ad6793f9f7c1f4ab2de2e2b96186e15fa8fc

  • SSDEEP

    3072:Scb5hx6cAzJkv06HGiqeS3kDYwAM/cNfK89j8Qa34o7dVxtLEokHnU:SGF6cuVql/Y5icDNYVbd

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.ws 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--- wSpHH7e2NMHQ5dF3CSF5k29fvPRrxASNCdHphh0cOIGmOYvJHhhhcCmIpcX9XbW9 ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.ws

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Renames multiple (64) files with added filename extension

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

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3d08732963ffdae8596f89cdfd34a2ec24865278c0763221c003254eeaf67554.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\3d08732963ffdae8596f89cdfd34a2ec24865278c0763221c003254eeaf67554.dll
      2⤵
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2384
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 1796
        3⤵
        • Program crash
        PID:1736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\readme.txt

    Filesize

    1KB

    MD5

    df7b95b1555951e1c1095ec1a913f78a

    SHA1

    076812ba99a65a76f6510824f9317c85b7a65bdb

    SHA256

    15ac17280f7e4b43eb21c090792465494eede0937897c271eb1cc14733dc371e

    SHA512

    b85bee418326445ed0efd217cb92432138ad63b46ff41d98a85d2af648698448f1680a320669ec4d1a735c8a40d5747983652d02fafc5c9737747e659f4f8e30