Overview

overview

10

Static

static

3

ContiLocker.exe

windows7-x64

10

ContiLocker.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-02-2024 08:06

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General

  • Target

    ContiLocker.exe

  • Size

    191KB

  • MD5

    732a229132d455b98038e5a23432385d

  • SHA1

    d0fb9051f8f4a9063b9f19841182b1707527f89f

  • SHA256

    2fc6d7df9252b1e2c4eb3ad7d0d29c188d87548127c44cebc40db9abe8e5aa35

  • SHA512

    3b10b9530094986882d90bf048d0cf80330d85fc6e680cc3a918d336405e235cb03b159b69d5bbba1e846e674d1db2ce5f71e85ea269aff6db963a0ebf1771f1

  • SSDEEP

    3072:QmFTIW6NmG0jQm78u+aXJzuDyyUmaP/E61VoMU9FLBD9PKigvPXNYzA9:QoTIt0GkQ2JziBUma0oVmJDhKku

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.best 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--- WIzXR2lGvuQk29m1PY7u4rlctcqqD9r7P8cxcChaQuFbVn9c3SEhznrejtQj3jBf ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.best

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Renames multiple (7322) 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 4 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\ContiLocker.exe
    "C:\Users\Admin\AppData\Local\Temp\ContiLocker.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3972
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E1E556A4-64A2-49F2-9F43-131343388228}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3708
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E1E556A4-64A2-49F2-9F43-131343388228}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3976
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    1KB

    MD5

    8f6296784a2d2a437c579768503f8737

    SHA1

    937b7bab4c20d01d8c9d324c830a14f73cb534a8

    SHA256

    946ca299d775712a93ca6d5daf44b96c986385a584001bf40730eebe86df9071

    SHA512

    f798844b0b44ee8baeba06caf9ac994bc8ad454a9923894567f04154eeeaccd5a171262bf8d0f69356cbed40356f194bf0d7d069ab3c7ba6741642d1e0b0673d

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