Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 17:09

General

  • Target

    0c81c3f11ecfe18cbf1d84e179b73ece5e2564c88e423cdc31d674f3d5300e5d.dll

  • Size

    510KB

  • MD5

    70d6d4600ad7a386af73f075f8bf1a0f

  • SHA1

    5039dd23d9bf702bb8f0cd41999bbb2cb5f2d062

  • SHA256

    0c81c3f11ecfe18cbf1d84e179b73ece5e2564c88e423cdc31d674f3d5300e5d

  • SHA512

    168aa83fcea20e2e859c56c39c9eeeb2d117230427d740d97fe9838f36604bd87ea8e0a16849c0787b0c750df09decb8b5b8497d685aa721ed22ba78a44b61eb

  • SSDEEP

    3072:SQkg5cAzJkv06HGaVpiehqpGDYwAM/cNfK89j8Qa34o7dVxt:SEcuVqTATicDNYVb

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Renames multiple (8008) files with added filename extension

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

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Drops startup file 1 IoCs
  • Drops desktop.ini file(s) 46 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0c81c3f11ecfe18cbf1d84e179b73ece5e2564c88e423cdc31d674f3d5300e5d.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\0c81c3f11ecfe18cbf1d84e179b73ece5e2564c88e423cdc31d674f3d5300e5d.dll
      2⤵
      • Drops startup file
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2784

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