Analysis

  • max time kernel
    126s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    26-07-2021 12:59

General

  • Target

    9b62cdb57f4c34924333dfa3baefd993efeab68109580b682b074f0e73b63983.sample.exe

  • Size

    54KB

  • MD5

    420a63c216ee218f00a224cd9f16d6c7

  • SHA1

    092d20014ed9e28cd4faf092dd2947ed11808ee4

  • SHA256

    9b62cdb57f4c34924333dfa3baefd993efeab68109580b682b074f0e73b63983

  • SHA512

    94c6c7a70aff9bc193c198b127deab3835c7c3a0eb27b8c52d69e1b383152554d9f925bc7a653600b700c58fc2601794c1994479e4e8c26a08429290a311652a

Malware Config

Extracted

Path

C:\Users\Public\Documents\!!!_READ_ME_3CA64D43_!!!.txt

Family

ragnarlocker

Ransom Note
***************************************************************************************************************** HELLO Biologicale_Ltd ! IF YOU ARE READING THIS, IT'S MEAN YOUR DATA WAS ENCRYPTED AND YOU SENSITIVE PRIVATE INFORMATION WAS STOLEN! READ CAREFULLY THE WHOLE INSTRUCTION NOTES TO AVOID DIFFICULTIES WITH YOUR DATA by RAGNAR_LOCKER ! ***************************************************************************************************************** *YOU HAVE TO CONTACT US via LIVE CHAT IMMEDIATELY TO RESOLVE THIS CASE AND MAKE A DEAL* (contact information you will find at the bottom of this notes) !!!!! WARNING !!!!! DO NOT Modify, rename, copy or move any files or you can DAMAGE them and decryption will be impossible. DO NOT Use any third-party or public Decryption software, it also may DAMAGE files. DO NOT Shutdown or Reset your system, it can DAMAGE files ------------------------------------- There is ONLY ONE possible way to get back your files - contact us via LIVE CHAT and pay for the special DECRYPTION KEY ! For your GUARANTEE we will decrypt 2 of your files FOR FREE, to show that it Works. Don't waste your TIME, the link for contact us will be deleted if there is no contact made in closest time and you will NEVER restore your DATA. !!! HOWEVER if you will contact us within 2 day since get penetrated - you can get a very SPECIAL PRICE. ! WARNING ! Whole your network was fully COMPROMISED! We has BREACHED your security perimeter and DOWNLOADED your PRIVATE SENSITIVE Data, including your: Accounting, Financial, Confidential and/or Proprietary Business information, Medical Certificates, Clients and Employees personal information, Business Agreements and Contracts, Administrator's Folders and many other! Also we have your Private Corporate Correspondence, Emails and Workbooks, Private Documents and etc. If the deal wouldn't be made than all your data can be sold through an auction to any third-parties. - There are some screenshots just as a proofs of what we got on you. (you can find more on Leak Page) Screenshots: https://prnt.sc/v36ygd https://prnt.sc/v37089 https://prnt.sc/v36yxt https://prnt.sc/v36zio https://prnt.sc/v36xi8 https://prnt.sc/v370oi ------------------------------------- Whole data that gathered from your private files and directories could be SOLD to any third-parties and/or PUBLISHED in MASS MEDIA for BREAKING NEWS! Yours partners, clients and investors would be notified about LEAK, the consequences will have a DISASTROUS effect on your company's reputation! However if we make a Deal everything would be kept in Secret and all your data will be Restored, so it is much cheaper and easier way for you than lawsuits expenses. You can take a look for some more examples of what we have, right now it's a private, temporary and hidden page, but it could become permanent and accessable for Public View if you decide NOT pay. Use Tor Browser to open the link: http://p6o7m73ujalhgkiv.onion/?38KP4j2zYlWcWRm6zsLg To view the page's content use password: Srw07kjats ============================================================================================================== ! HERE IS THE SIMPLE MANUAL HOW TO GET CONTACT WITH US VIA LIVE CHAT ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! a) Download and install TOR browser from this site : https://torproject.org b) For contact us via LIVE CHAT open our website : http://rgnar43spcnsocswaw22lmk7jnget5f6vow7kqmnf4jc6hfwpiwoajid.onion/client/?384fAE1DDC9DE3D3b670f7961AEEAA6DBDaCfb972D6Fff48Baf0bcc6c1da2FAc c) To visit our NEWS LEAK BLOG with your data, open this website : http://p6o7m73ujalhgkiv.onion/?http://p6o7m73ujalhgkiv.onion/?38KP4j2zYlWcWRm6zsLg ( password:Srw07kjats) d) If Tor is restricted in your area, use VPN When you open LIVE CHAT website follow rules : Follow the instructions on the website. At the top you will find CHAT tab. Send your message there and wait for response (we are not online 24/7, So you have to wait for your turn). *********************************************************************************** ---BEGIN RAGN KEY--- Mzg0ZkFFMUREQzlERTNEM2I2NzBmNzk2MUFFRUFBNkRCRGFDZmI5NzJENkZmZjQ4QmFmMGJjYzZjMWRhMkZBYw== ---END RAGN KEY--- ***********************************************************************************
URLs

https://prnt.sc/v36ygd

https://prnt.sc/v37089

https://prnt.sc/v36yxt

https://prnt.sc/v36zio

https://prnt.sc/v36xi8

https://prnt.sc/v370oi

http://p6o7m73ujalhgkiv.onion/?38KP4j2zYlWcWRm6zsLg

http://rgnar43spcnsocswaw22lmk7jnget5f6vow7kqmnf4jc6hfwpiwoajid.onion/client/?384fAE1DDC9DE3D3b670f7961AEEAA6DBDaCfb972D6Fff48Baf0bcc6c1da2FAc

http://p6o7m73ujalhgkiv.onion/?http://p6o7m73ujalhgkiv.onion/?38KP4j2zYlWcWRm6zsLg

Signatures

  • RagnarLocker

    Ransomware first seen at the end of 2019, which has been used in targetted attacks against multiple companies.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 3 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b62cdb57f4c34924333dfa3baefd993efeab68109580b682b074f0e73b63983.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\9b62cdb57f4c34924333dfa3baefd993efeab68109580b682b074f0e73b63983.sample.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\System32\Wbem\wmic.exe
      wmic.exe shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1844
    • C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled No
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1684
    • C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:688
    • C:\Windows\system32\bcdedit.exe
      bcdedit /set {globalsettings} advancedoptions false
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1368
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/688-63-0x0000000000000000-mapping.dmp

  • memory/1208-60-0x0000000076281000-0x0000000076283000-memory.dmp

    Filesize

    8KB

  • memory/1368-64-0x0000000000000000-mapping.dmp

  • memory/1684-62-0x0000000000000000-mapping.dmp

  • memory/1844-61-0x0000000000000000-mapping.dmp