Resubmissions

10/11/2020, 12:55

201110-tjrd82d9ee10

07/11/2020, 10:12

201107-lxpdbv9h4n10

General

  • Target
    04psi.zip
  • Size 100KB
  • Sample201110-tjrd82d9ee
  • SHA256 a10400d1b68c46db52f94a07b4e2714bbcf319778ee9eda05f6aab0e9f545c09
  • MD5 SHA1 SHA512

Malware Config

Extracted

Path
  • C:\Program Files\7-Zip\Restore-My-Files.txt

  • lockbit

Ransom Note
  • All your important files are encrypted! Any attempts to restore your files with the thrid-party software will be fatal for your files! RESTORE YOU DATA POSIBLE ONLY BUYING private key from us. There is only one way to get your files back: 1) Through a standard browser(FireFox, Chrome, Edge, Opera) | 1. Open link http://lockbit-decryptor.top/?9E834EF1D6581820AFA5574D180B63CE | 2. Follow the instructions on this page 2) Through a Tor Browser - recommended | 1. Download Tor browser - https://www.torproject.org/ and install it. | 2. Open link in TOR browser - http://lockbitks2tvnmwk.onion/?9E834EF1D6581820AFA5574D180B63CE This link only works in Tor Browser! | 3. Follow the instructions on this page ### Attention! ### # lockbit-decryptor.top may be blocked. We recommend using a Tor browser to access the site # Do not rename encrypted files. # Do not try to decrypt using third party software, it may cause permanent data loss. # Decryption of your files with the help of third parties may cause increased price(they add their fee to our). # Tor Browser may be blocked in your country or corporate network. Use https://bridges.torproject.org or use Tor Browser over VPN. # Tor Browser user manual https://tb-manual.torproject.org/about
URLs
  • http://lockbit-decryptor.top/?9E834EF1D6581820AFA5574D180B63CE

  • http://lockbitks2tvnmwk.onion/?9E834EF1D6581820AFA5574D180B63CE

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://rexstat35xm.xyz/statweb577/

  • http://dexspot2cx.club/statweb577/

  • http://atxspot20cx.best/statweb577/

  • http://rexspot7xm.xyz/statweb577/

  • http://datasectex.com/statweb577/

  • http://servicem977xm.xyz/statweb577/

  • http://advertxman7cx.xyz/statweb577/

  • http://starxpush7xm.xyz/statweb577/

rc4.i32
rc4.i32

Extracted

Family
  • dridex

Botnet
  • 10111

C2
  • 194.150.118.7:443

  • 49.212.179.180:3889

  • 69.64.62.4:4443

rc4.plain
rc4.plain

Extracted

Path
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
  • YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email [email protected] YOUR ID If you have not been answered via the link within 12 hours, write to Telegram:@pexdata - our telegram contact or http://pexdatax.com/ or email [email protected] Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
URLs
  • http://pexdatax.com/

Extracted

Path
  • C:\Users\Admin\Desktop\LockBit-note.hta

Ransom Note
  • Lock BIT Any attempts to restore your files with the thrid-party software will be fatal for your files! Restore you data posible only buying private key from us. There is only one way to get your files back: Through a standard browser Open link - http://lockbit-decryptor.top/?9E834EF1D6581820AFA5574D180B63CE Follow the instructions on this page Through a recommended Download Tor Browser - https://www.torproject.org/ and install it. Open link in Tor Browser - http://lockbitks2tvnmwk.onion/?9E834EF1D6581820AFA5574D180B63CE This link only works in Tor Browser! Follow the instructions on this page Lockbit-decryptor.com may be blocked. We recommend using a Tor browser to access the site Do not rename encrypted files. Do not try to decrypt using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our). Tor Browser may be blocked in your country or corporate network. Use https://bridges.torproject.org or use Tor Browser over VPN. Tor Browser user manual https://tb-manual.torproject.org/about
URLs
  • http://lockbit-decryptor.top/?9E834EF1D6581820AFA5574D180B63CE

  • http://lockbitks2tvnmwk.onion/?9E834EF1D6581820AFA5574D180B63CE

Targets

    • Target
      04psi.exe
    • Size 237KB
    • SHA256 3fc06d1926ada759903e4ebc197f9da5baa80fb8f729f34395dd7c67e2d58a8c
    • MD5 SHA1 SHA512
    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • Dridex

      Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

    • Lockbit

      Ransomware family with multiple variants released since late 2019.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • xmrig

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

    • CryptOne packer

      Detects CryptOne packer defined in NCC blogpost.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Dridex Loader

      Detects Dridex both x86 and x64 loader in memory.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Executes dropped EXE

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • JavaScript code in executable

    • Looks up external IP address via web service

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

    • Uses Tor communications

      Malware can proxy its traffic through Tor for more anonymity.

    • Drops file in System32 directory

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks