Overview

overview

10

Static

static

d21f53277c...le.dll

windows7_x64

10

d21f53277c...le.dll

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    28-09-2021 09:38

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    d21f53277c689939d94eced15e37c2f1e9bcbf547314ee26f4b21eee2102edbf.bin.sample.dll

  • Size

    191KB

  • MD5

    562b147a42384349a13372a4aad34af9

  • SHA1

    84a847ad5857035a18c2359c9e0265702ed0b027

  • SHA256

    d21f53277c689939d94eced15e37c2f1e9bcbf547314ee26f4b21eee2102edbf

  • SHA512

    54b27631f0ea91ed8093ea251290db91c531cfdb5ae468be2d2748d681c198778dc0905a511a276678eaf9ec2dc8369eb86e65d7af3785aaa17f96abec72b37e

Score
10/10
contiransomware

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.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--- Ns5WQ4hUEqxZRO4Ls1WW8wn8K95FKrkEKLxyjXjdwmjb0NpLosviDzWlNlarhNiY ---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 4 IoCs
  • Modifies data under HKEY_USERS 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d21f53277c689939d94eced15e37c2f1e9bcbf547314ee26f4b21eee2102edbf.bin.sample.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\d21f53277c689939d94eced15e37c2f1e9bcbf547314ee26f4b21eee2102edbf.bin.sample.dll
      2⤵
      • Modifies extensions of user files
      • Drops startup file
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:2620
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -s BITS
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:588
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    PID:1328
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc
    1⤵
    • Drops file in Windows directory
    PID:2524

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2524-116-0x0000024497140000-0x0000024497150000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2524-117-0x0000024497180000-0x0000024497190000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2524-118-0x00000244992B0000-0x00000244992B1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2620-115-0x0000000000000000-mapping.dmp
    Download