Resubmissions

19/07/2024, 11:43

240719-nvvnlssera10

19/07/2024, 11:41

240719-ntv8rasemg4

19/07/2024, 11:40

240719-ntaxtasekf10

19/07/2024, 11:40

240719-ns1rvaygrn1

19/07/2024, 11:30

240719-nmj7xasbqe10

General

  • Target
    загрузка.zip
  • Size 236KB
  • Sample240719-nvvnlssera
  • SHA256 1ce80b2bb2a5f56573ca7b6f662accea56f4b9e0e3052ddec14fe03364c14dfe
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Users\Admin\Searches\TdGeIqAUn.README.txt

  • lockbit

Ransom Note
  • ~~~ LockBit 3.0 the world's fastest ransomware since 2019~~~ >>>> Your data are stolen and encrypted The data will be published on TOR website if you do not pay the ransom If you not pay Payment:BITCOIN AFTER SEND BITCOIN Contact [email protected]

Targets

    • Target
      Cryp_RAT.doc
    • Size 662KB
    • SHA256 44b87df9f68f5a3084c7d80c1c7492ca5209e816a4e83fdbd6e2fcb6f1ff936f
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Neshta payload

    • Lockbit

      Ransomware family with multiple variants released since late 2019.

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • Renames multiple (329) files with added filename extension

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks