General

  • Target

    .

  • Size

    147KB

  • Sample

    240517-qge24sac6t

  • MD5

    5210e280ae24357361093de3aa7015af

  • SHA1

    1c46adc75b3b6e862821ff46a249e00b93e5230f

  • SHA256

    a7b6ca34c012421ba5977d94a3d8e237b344767ddbcc852308ed16cd7099ac51

  • SHA512

    58e9bb617363524098b356988b30d9abfd599b2d5b12badc9066ede8a2760a3d8ffe747347f0aa04b61487c517402d38bce91fec7dd1c8b807c1c6a6d823c739

  • SSDEEP

    1536:o5kud8TPV9vK4DNvGR4Dbll1qKf+30vD932Os4DIHhqiS:wkPT3V+CllQHKuHhqiS

Malware Config

Extracted

Path

C:\Users\Admin\README_HOW_TO_UNLOCK.TXT

Ransom Note
YOUR FILE HAS BEEN LOCKED In order to unlock your files, follow the instructions bellow: 1. Download and install Tor Browser 2. After a successful installation, run Tor Browser and wait for its initialization. 3. Type in the address bar: http://zvnvp2rhe3ljwf2m.onion 4. Follow the instructions on the site.
URLs

http://zvnvp2rhe3ljwf2m.onion

Extracted

Path

F:\$RECYCLE.BIN\LNEOEX-MANUAL.txt

Family

gandcrab

Ransom Note
---= GANDCRAB V5.2 =--- ***********************UNDER NO CIRCUMSTANCES DO NOT DELETE THIS FILE, UNTIL ALL YOUR DATA IS RECOVERED*********************** *****FAILING TO DO SO, WILL RESULT IN YOUR SYSTEM CORRUPTION, IF THERE ARE DECRYPTION ERRORS***** Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .LNEOEX The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. The server with your key is in a closed network TOR. You can get there by the following ways: ---------------------------------------------------------------------------------------- | 0. Download Tor browser - https://www.torproject.org/ | 1. Install Tor browser | 2. Open Tor Browser | 3. Open link in TOR browser: http://gandcrabmfe6mnef.onion/e1f1454154a9731b | 4. Follow the instructions on this page ---------------------------------------------------------------------------------------- On our page you will see instructions on payment and get the opportunity to decrypt 1 file for free. ATTENTION! IN ORDER TO PREVENT DATA DAMAGE: * DO NOT MODIFY ENCRYPTED FILES * DO NOT CHANGE DATA BELOW ---BEGIN GANDCRAB KEY--- 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 ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/e1f1454154a9731b

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1181767204-2009306918-3718769404-1000\MXFXYGUK-MANUAL.txt

Family

gandcrab

Ransom Note
---= GANDCRAB V5.2 =--- ***********************UNDER NO CIRCUMSTANCES DO NOT DELETE THIS FILE, UNTIL ALL YOUR DATA IS RECOVERED*********************** *****FAILING TO DO SO, WILL RESULT IN YOUR SYSTEM CORRUPTION, IF THERE ARE DECRYPTION ERRORS***** Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .MXFXYGUK The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. The server with your key is in a closed network TOR. You can get there by the following ways: ---------------------------------------------------------------------------------------- | 0. Download Tor browser - https://www.torproject.org/ | 1. Install Tor browser | 2. Open Tor Browser | 3. Open link in TOR browser: http://gandcrabmfe6mnef.onion/e1f1454154a9731b | 4. Follow the instructions on this page ---------------------------------------------------------------------------------------- On our page you will see instructions on payment and get the opportunity to decrypt 1 file for free. ATTENTION! IN ORDER TO PREVENT DATA DAMAGE: * DO NOT MODIFY ENCRYPTED FILES * DO NOT CHANGE DATA BELOW ---BEGIN GANDCRAB KEY--- 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 ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/e1f1454154a9731b

Targets

    • Target

      .

    • Size

      147KB

    • MD5

      5210e280ae24357361093de3aa7015af

    • SHA1

      1c46adc75b3b6e862821ff46a249e00b93e5230f

    • SHA256

      a7b6ca34c012421ba5977d94a3d8e237b344767ddbcc852308ed16cd7099ac51

    • SHA512

      58e9bb617363524098b356988b30d9abfd599b2d5b12badc9066ede8a2760a3d8ffe747347f0aa04b61487c517402d38bce91fec7dd1c8b807c1c6a6d823c739

    • SSDEEP

      1536:o5kud8TPV9vK4DNvGR4Dbll1qKf+30vD932Os4DIHhqiS:wkPT3V+CllQHKuHhqiS

    • CryptoLocker

      Ransomware family with multiple variants.

    • Gandcrab

      Gandcrab is a Trojan horse that encrypts files on a computer.

    • Modifies WinLogon for persistence

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (150) files with added filename extension

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

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • 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.

    • Registers COM server for autorun

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks