Overview

overview

10

Static

static

041fd21332...14.exe

windows7_x64

10

041fd21332...14.exe

windows10_x64

10

Analysis

  • max time kernel
    58s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    01-10-2020 16:19

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General

  • Target

    041fd213326dd5c10a16caf88ff076bb98c68c052284430fba5f601023d39a14.exe

  • Size

    798KB

  • MD5

    42c1ec152ed11f21f394f1c6982c8036

  • SHA1

    2a85f23e5a21ddaea01a7ada6654c6a7c3bf140f

  • SHA256

    041fd213326dd5c10a16caf88ff076bb98c68c052284430fba5f601023d39a14

  • SHA512

    eb490a26143b018c1ae881095cbf0fafd597454e9c2b72317308fb480be0ee35b84dae3844b640426341132fec9ac746d9a9f051703d4c62657a127064eba95a

Score
10/10
ransomwarepersistenceragnarlockerbootkit

Malware Config

Extracted

Path

C:\Users\Public\Documents\RGNR_AC7AABB2.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 9 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
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in Program Files directory 10170 IoCs
  • 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 43 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\041fd213326dd5c10a16caf88ff076bb98c68c052284430fba5f601023d39a14.exe
    "C:\Users\Admin\AppData\Local\Temp\041fd213326dd5c10a16caf88ff076bb98c68c052284430fba5f601023d39a14.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
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Windows\System32\Wbem\wmic.exe
      wmic.exe shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1756
    • C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:1868
    • C:\Windows\SysWOW64\notepad.exe
      C:\Users\Public\Documents\RGNR_AC7AABB2.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1388
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Modifies service
    • Suspicious use of AdjustPrivilegeToken
    PID:1944

Network

MITRE ATT&CK Enterprise v6

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Downloads

  • C:\Users\Public\Documents\RGNR_AC7AABB2.txt
    MD5

    a542fcfee82ad3375a5adf7df8997d88

    SHA1

    b6a001fae92f9e8f4d580438b7170fd29d4f0722

    SHA256

    11d42766b1cb0b76e7d3d040ddd90ea8243992145d831852b277e3b0d670f1e0

    SHA512

    89a81e4ea3746d4c880fe7a50f00b259c66938eb776a43c9f6518bdb3f3f3f4808a120451e09e3bbe82b5175924d17aaf36a9b60f4530888d1d1fb985ffd76e0

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  • memory/1388-2-0x0000000000000000-mapping.dmp

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  • memory/1756-0-0x0000000000000000-mapping.dmp

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  • memory/1868-1-0x0000000000000000-mapping.dmp

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