Overview

overview

10

Static

static

7af61ce420...29.exe

windows7_x64

10

7af61ce420...29.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    29-03-2022 20:07

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General

  • Target

    7af61ce420051640c50b0e73e718dd8c55dddfcb58917a3bead9d3ece2f3e929.exe

  • Size

    47KB

  • MD5

    3ca359f5085bb96a7950d4735b089ffe

  • SHA1

    60747604d54a18c4e4dc1a2c209e77a793e64dde

  • SHA256

    7af61ce420051640c50b0e73e718dd8c55dddfcb58917a3bead9d3ece2f3e929

  • SHA512

    67ac9a483062f42b984f8d2798a02461f27a718f5b93b6f84645170b65e8edbbfddae52c8bee4fd6735fea0e977d8615d1d5c49481e4fbf1480e5e2113af0426

Score
10/10
ragnarlockerbootkitpersistenceransomware

Malware Config

Extracted

Path

C:\Users\Public\Documents\RGNR_CD90FC9E.txt

Family

ragnarlocker

Ransom Note
***************************************************************************************************************** HELLO EDP.com ! If you reading this message, then your network was PENETRATED and all of your files and data has been ENCRYPTED by RAGNAR_LOCKER ! ***************************************************************************************************************** !!!!! 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 ------------------------------------- There is ONLY ONE possible way to get back your files - contact us and pay for our special decryption key ! For your GUARANTEE we will decrypt 2 of your files FOR FREE, as a proof of our capabilities Don't waste your TIME, the link for contacting us will be deleted if there is no contact made in closest future 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. ATTENTION ! We had downloaded more than 10TB of data from your fileservers and if you don't contact us for payment, we will publish it or sell to interested parties. Here is just a small part of your files that we have, for a proof (use Tor Browser for open the link) : http://p6o7m73ujalhgkiv.onion/?p=171 We gathered the most sensitive and confidential information about your transactions, billing, contracts, clients and partners. And be assure that if you wouldn't pay, all files and documents would be publicated for everyones view and also we would notify all your clients and partners about this leakage with direct links. So if you want to avoid such a harm for your reputation, better pay the amount that we asking for. ============================================================================================================== ! 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://mykgoj7uvqtgl367.onion/client/?6bECA2b2AFFfBC1Dff0aa0EaaAd468bec0903b5e4Ea58ecde3C264bC55c7389E c) For visit our NEWS PORTAL with your data, open this website : http://p6o7m73ujalhgkiv.onion/?page_id=171 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). *********************************************************************************** ---RAGNAR SECRET--- NmJFQ0EyYjJBRkZmQkMxRGZmMGFhMEVhYUFkNDY4YmVjMDkwM2I1ZTRFYTU4ZWNkZTNDMjY0YkM1NWM3Mzg5RQ== ---RAGNAR SECRET--- ***********************************************************************************
URLs

http://p6o7m73ujalhgkiv.onion/?p=171

http://mykgoj7uvqtgl367.onion/client/?6bECA2b2AFFfBC1Dff0aa0EaaAd468bec0903b5e4Ea58ecde3C264bC55c7389E

http://p6o7m73ujalhgkiv.onion/?page_id=171

Signatures

  • RagnarLocker

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

    ransomwareragnarlocker
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 5 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 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.

    bootkitpersistence
  • Drops file in Program Files directory 64 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7af61ce420051640c50b0e73e718dd8c55dddfcb58917a3bead9d3ece2f3e929.exe
    "C:\Users\Admin\AppData\Local\Temp\7af61ce420051640c50b0e73e718dd8c55dddfcb58917a3bead9d3ece2f3e929.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3272
    • C:\Windows\System32\Wbem\wmic.exe
      wmic.exe shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3764
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:2444
    • C:\Windows\SysWOW64\notepad.exe
      C:\Users\Public\Documents\RGNR_CD90FC9E.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:4888
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2440

Network

MITRE ATT&CK Enterprise v6

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Downloads

  • C:\Users\Public\Documents\RGNR_CD90FC9E.txt
    Filesize

    3KB

    MD5

    ebb1e76a32908e6653c933364985f639

    SHA1

    69fc0b1ed4cd4548bb4ebbe3d9f2bf7934735ff7

    SHA256

    1c6ab30444efec425084c396107d7f66371bfc526f6f11480263de22a8233c8f

    SHA512

    e35ebebb5c69e26127be6246ca44d8819cc19cbb7fa9eaa861367b414605eb71b66e440fd5bfa404ab950730053e87d5c7daf0bbab7296ee8bd724c81f730abe

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