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Overview

overview

10

Static

static

0aaa7a3596...36.exe

windows7_x64

10

0aaa7a3596...36.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    02/03/2022, 01:57

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General

  • Target

    0aaa7a3596af6b1aae02b6e6ca878045360d467f96b0687363a9dce19ea60a36.exe

  • Size

    798KB

  • MD5

    987bcd521229b303fbe384def3b9be24

  • SHA1

    81606251ea97a89f483a675bc819d545e7ff515a

  • SHA256

    0aaa7a3596af6b1aae02b6e6ca878045360d467f96b0687363a9dce19ea60a36

  • SHA512

    d8af7542607e2c9aace36accd594ef41c1334010917c64f7dfba806ca795715cfd967963924f732c2d4ebe7c36282bf8f96f6d971265c2a7b4b94c6d259e99b5

Score
10/10
ragnarlockerbootkitpersistenceransomware

Malware Config

Extracted

Path

C:\Users\Public\Documents\RGNR_60EE3939.txt

Ransom Note
Hello PSE_CREDIT_UNION ! ***************************************************************************************************************** If you reading this message, then your network was PENETRATED and all of your files and data has been ENCRYPTED by RAGNAR_LOCKER ! ***************************************************************************************************************** *********What happens with your system ?************ Your network was penetrated, all your files and backups was locked! So from now there is NO ONE CAN HELP YOU to get your files back, EXCEPT US. You can google it, there is no CHANCES to decrypt data without our SECRET KEY. But don't worry ! Your files are NOT DAMAGED or LOST, they are just MODIFIED. You can get it BACK as soon as you PAY. We are looking only for MONEY, so there is no interest for us to steel or delete your information, it's just a BUSINESS $-) HOWEVER you can damage your DATA by yourself if you try to DECRYPT by any other software, without OUR SPECIFIC ENCRYPTION KEY !!! Also, all of your sensitive and private information were gathered and if you decide NOT to pay, we will upload it for public view ! **** ***********How to get back your files ?****** To decrypt all your files and data you have to pay for the encryption KEY : BTC wallet for payment: 1E6EjTqYPHLj1uovPKKRXzMpPCcpAcVuiU Amount to pay (in Bitcoin): 60 **** ***********How much time you have to pay?********** * You should get in contact with us within 2 days after you noticed the encryption to get a better price. * The price would be increased by 100% (double price) after 14 Days if there is no contact made. * The key would be completely erased in 21 day if there is no contact made or no deal made. Some sensetive information stolen from the file servers would be uploaded in public or to re-seller. **** ***********What if files can't be restored ?****** To prove that we really can decrypt your data, we will decrypt one of your locked files ! Just send it to us and you will get it back FOR FREE. The price for the decryptor is based on the network size, number of employees, annual revenue. Please feel free to contact us for amount of BTC that should be paid. **** ! IF you don't know how to get bitcoins, we will give you advise how to exchange the money. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ! HERE IS THE SIMPLE MANUAL HOW TO GET CONTCAT WITH US ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 1) Go to the official website of TOX messenger ( https://tox.chat/download.html ) 2) Download and install qTOX on your PC, choose the platform ( Windows, OS X, Linux, etc. ) 3) Open messenger, click "New Profile" and create profile. 4) Click "Add friends" button and search our contact 7D509C5BB14B1B8CB0A3338EEA9707AD31075868CB9515B17C4C0EC6A0CCCA750CA81606900D 5) For identification, send to our support data from ---RAGNAR SECRET--- IMPORTANT ! IF for some reasons you CAN'T CONTACT us in qTOX, here is our reserve mailbox ( [email protected] ) send a message with a data from ---RAGNAR SECRET--- WARNING! -Do not try to decrypt files with any third-party software (it will be damaged permanently) -Do not reinstall your OS, this can lead to complete data loss and files cannot be decrypted. NEVER! -Your SECRET KEY for decryption is on our server, but it will not be stored forever. DO NOT WASTE TIME ! *********************************************************************************** ---RAGNAR SECRET--- MmE2RjY2N2YwNUZlYmRERjNhZGY4MWY0Y0NiMUEwNEIwRkYyQUZhNDE5QjEwNzYzODhGZjE2QWM5ZGFEYzEwYg== ---RAGNAR SECRET--- ***********************************************************************************
Wallets

1E6EjTqYPHLj1uovPKKRXzMpPCcpAcVuiU

URLs

https://tox.chat/download.html

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 4 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 use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0aaa7a3596af6b1aae02b6e6ca878045360d467f96b0687363a9dce19ea60a36.exe
    "C:\Users\Admin\AppData\Local\Temp\0aaa7a3596af6b1aae02b6e6ca878045360d467f96b0687363a9dce19ea60a36.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 use of WriteProcessMemory
    PID:1512
    • C:\Windows\System32\Wbem\wmic.exe
      wmic.exe shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3096
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:4676
    • C:\Windows\SysWOW64\notepad.exe
      C:\Users\Public\Documents\RGNR_60EE3939.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3232
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1436

Network

MITRE ATT&CK Enterprise v6

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