Resubmissions

20/09/2024, 07:47

240920-jmh8dswane10

20/09/2024, 07:46

240920-jl2ckswdpk10

20/09/2024, 03:56

240920-ehjadaxcqb10

20/09/2024, 03:35

240920-d5fx4awerf10

General

  • Target
    PCCooker_x64.exe
  • Size 22.4MB
  • Sample240920-ehjadaxcqb
  • SHA256 d850d741582546a3d0ea2ad5d25e0766781f315cd37e6c58f7262df571cd0c40
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://37.1.196.35/un2/botui.dat

Extracted

Family
  • marsstealer

Botnet
  • Default

Extracted

Path
  • C:\Users\Public\Documents\RGNR_2055E903.txt

Ransom Note
  • Hello VGCARGO ! ***************************************************************************************************************** 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: 1BKK8bsFfG3YxTd3N15GxaYfHopoThXoY4 Amount to pay (in Bitcoin): 25 **** ***********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--- QWZjY0QxRTk2MWU4RTIwYkVCRUNhRWMzRjhCQTdlZDJkNUJCN2JkNDdDMzREMTYyNjNGNTdiZGFDYmI3ZEVhNw== ---RAGNAR SECRET--- ***********************************************************************************
Wallets
  • 1BKK8bsFfG3YxTd3N15GxaYfHopoThXoY4

URLs
  • https://tox.chat/download.html

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • outside-sand.gl.at.ply.gg:31300

Mutex
  • uGoUQjcjqoZsiRJZ

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain

Extracted

Family
  • redline

Botnet
  • LogsDiller Cloud (TG: @logsdillabot)

C2
  • 147.45.47.36:14537

Extracted

Family
  • stealc

Botnet
  • cry

C2
  • http://193.176.190.41

Attributes
  • url_path

    /2fa883eebd632382.php

Extracted

Family
  • redline

C2
  • 38.180.72.54:42814

Extracted

Family
  • asyncrat

Version
  • Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet
  • Default

C2
  • 62.113.117.95:4449

Mutex
  • hwelcvbupaqfzors

Attributes
  • delay

    10

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family
  • vidar

C2
  • http://147.45.126.10:80

  • https://t.me/edm0d

  • https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Extracted

Family
  • redline

Botnet
  • @OLEH_PSP

C2
  • 65.21.18.51:45580

Targets

    • Target
      PCCooker_x64.exe
    • Size 22.4MB
    • SHA256 d850d741582546a3d0ea2ad5d25e0766781f315cd37e6c58f7262df571cd0c40
    • MD5 SHA1 SHA512 SSDEEP
    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • Mars Stealer

      An infostealer written in C++ based on other infostealers.

    • Modifies security service

    • Phorphiex payload

    • Phorphiex, Phorpiex

      Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

    • RagnarLocker

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

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SquirrelWaffle is a simple downloader written in C++.

      SquirrelWaffle.

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • XMRig Miner payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (7827) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Squirrelwaffle payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Stops running service(s)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

static1

Score
3/10

behavioral1

marsstealerphorphiexragnarlockerredlinexwormdefaultbootkitcredential_accessdefense_evasiondiscoveryexecutionimpactinfostealerloaderpersistenceransomwareratspywarestealertrojanworm
Score
10/10

behavioral2

marsstealerphorphiexragnarlockerredlinexmrigxwormdefaultlogsdiller cloud (tg: @logsdillabot)bootkitdefense_evasiondiscoveryevasionexecutionimpactinfostealerloaderminerpersistenceprivilege_escalationransomwareratstealertrojanworm
Score
10/10

behavioral3

asyncratphorphiexragnarlockerredlinesquirrelwafflestealcvidarxmrigxworm@oleh_pspcrydefaultbootkitdefense_evasiondiscoverydownloaderevasionexecutionimpactinfostealerloaderminerpersistenceransomwareratstealertrojanworm
Score
10/10

behavioral4

marsstealerphorphiexragnarlockersquirrelwafflexwormdefaultbootkitdefense_evasiondiscoverydownloaderevasionexecutionimpactloaderpersistenceransomwareratstealertrojanworm
Score
10/10