General

  • Target
    LB3.exe
  • Size 146KB
  • Sample240505-ntek1acb93
  • SHA256 230cc029f30afd8986586a0e72105253e0efb2d7aeadc26cb78b91c0a4e2e739
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\sWijUubxy.README.txt

Ransom Note
  • ~~~ LockBit Black Ransomware Since 2024~~~ >>>> Your data are stolen and encrypted Price = 2000 $ Bitcoin = 328N9mKT6xFe6uTvtpxeKSymgWCbbTGbK2 Email = [email protected] >>>> What guarantees that we will not deceive you? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. Life is too short to be sad. Be not sad, money, it is only paper. If we do not give you decrypters, or we do not delete your data after payment, then nobody will pay us in the future. Therefore to us our reputation is very important. We attack the companies worldwide and there is no dissatisfied victim after payment. >>>> Your personal DECRYPTION ID: WERTYFG34A48MK4D6D525F3F372263313 + ID Number.README.txt >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems! >>>> Warning! If you do not pay the ransom we will attack your company repeatedly again!
Wallets
  • 328N9mKT6xFe6uTvtpxeKSymgWCbbTGbK2

Targets

    • Target
      LB3.exe
    • Size 146KB
    • SHA256 230cc029f30afd8986586a0e72105253e0efb2d7aeadc26cb78b91c0a4e2e739
    • MD5 SHA1 SHA512 SSDEEP
    • Renames multiple (8926) files with added filename extension

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

    • Checks computer location settings

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

    • Deletes itself

    • 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.

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks