Overview

overview

10

Static

static

198667b1ed...f3.exe

windows7_x64

10

198667b1ed...f3.exe

windows10_x64

10

Analysis

  • max time kernel
    124s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    20-01-2021 14:06

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General

  • Target

    198667b1eda010a431dfb051a101cc73ead1d45ba8d0f6641ec1c14bca4106f3.exe

  • Size

    191KB

  • MD5

    20f0c736a966142de88dee06a2e4a5b1

  • SHA1

    afb2fe6b541069259b0fd9be82d62594a361afb0

  • SHA256

    198667b1eda010a431dfb051a101cc73ead1d45ba8d0f6641ec1c14bca4106f3

  • SHA512

    a012898e9e8cc6789cbaea7a36f54140f1b70c45b8874f2f5504ea3971494d5856f7f54aaa00dc37a3746362d85b54c665bc485f0e7d491ec99e9155950c7e43

Score
10/10
ransomwarespyware

Malware Config

Extracted

Path

C:\readme.txt

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://m232fdxbfmbrcehbrj5iayknxnggf6niqfj6x4iedrgtab4qupzjlaid.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--- 4cC8gEaJKXy9c77kRXVNy2wdO16Dqc155fccnUbozeRm5V3RTu3GhWGRftIkZNfo ---END ID---
URLs

http://m232fdxbfmbrcehbrj5iayknxnggf6niqfj6x4iedrgtab4qupzjlaid.onion

https://contirecovery.best

Signatures

  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

    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.

    spyware
  • Drops desktop.ini file(s) 39 IoCs
  • Drops file in Program Files directory 9237 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies Control Panel 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 188 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\198667b1eda010a431dfb051a101cc73ead1d45ba8d0f6641ec1c14bca4106f3.exe
    "C:\Users\Admin\AppData\Local\Temp\198667b1eda010a431dfb051a101cc73ead1d45ba8d0f6641ec1c14bca4106f3.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{DAF7675F-A20E-414A-A7AE-F4A660F7C394}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3296
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{DAF7675F-A20E-414A-A7AE-F4A660F7C394}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4068
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:736
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Modifies Control Panel
    • Suspicious use of SetWindowsHookEx
    PID:3728
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc
    1⤵
    • Drops file in Windows directory
    PID:3292

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

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Downloads

  • memory/3296-2-0x0000000000000000-mapping.dmp
    Download
  • memory/4068-3-0x0000000000000000-mapping.dmp
    Download