Overview

overview

10

Static

static

e099a53fdc...d2.dll

windows7_x64

10

e099a53fdc...d2.dll

windows10_x64

10

Analysis

  • max time kernel
    104s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    09/07/2021, 16:59

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General

  • Target
    e099a53fdcef7bdfb58b3a7b4f42e4d2.dll
  • Size 215KB
  • Sample210709-t7p9f3bfm2
  • SHA256 bc413e02defccc55f1c9925e9cf4fde4a714db1e06c6e021ddbd4b15cf2613d7
  • MD5 SHA1 SHA512
Score
10/10
contiransomware

Malware Config

Extracted

Path

  • C:\readme.txt

  • 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.top/ 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--- m0OnfU1t3QSRAcBWW1Yanew18PrPFC6djRkh83oNE6bCym80OXF3lAR7OAy5OLES ---END ID---
URLs

  • http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

  • https://contirecovery.top/

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 startup file 1 IoCs
  • Drops desktop.ini file(s) 32 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e099a53fdcef7bdfb58b3a7b4f42e4d2.dll
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:900
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:2628
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc
    1⤵
    • Drops file in Windows directory
    PID:3420

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/3420-114-0x000002C2AA470000-0x000002C2AA480000-memory.dmp
        Download

        memory/3420-115-0x000002C2AA4B0000-0x000002C2AA4C0000-memory.dmp
        Download