General

  • Target

    windows_25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5

  • Size

    884KB

  • Sample

    230305-p1ltbsfh4z

  • MD5

    da13022097518d123a91a3958be326da

  • SHA1

    24a71ab462594d5a159bbf176588af951aba1381

  • SHA256

    25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5

  • SHA512

    a82aa97a92cd21ee2d4b556448fd3293396eb7c01d3626ebdb6c3816277783578686830c430014b6b2fc3280bc1301df27da079937f88834c2d35641eb5fc26f

  • SSDEEP

    12288:Sw41dVZvThPCsM18GLHe7wlDdkPAQEtxr0fflvRmhEBWtdUJiAUtP/T/kAfMvgVt:dod1HDmlDdkZ4YXPpaTTXMw

Malware Config

Extracted

Path

C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\EGdu_HOW_TO_DECRYPT.txt

Family

hive

Ransom Note
Your network has been breached and all data were encrypted. Personal data, financial reports and important documents are ready to disclose. To decrypt all the data or to prevent exfiltrated files to be disclosed at http://hiveleakdbtnp76ulyhi52eag6c6tyc3xw7ez7iqy6wc34gd2nekazyd.onion/ you will need to purchase our decryption software. Please contact our sales department at: http://hivecust6vhekztbqgdnkks64ucehqacge3dij3gyrrpdp57zoq3ooqd.onion/ Login: jxkdVr8zZs5J Password: GHTM6Qgqyhqs4nMH53ZD To get access to .onion websites download and install Tor Browser at: https://www.torproject.org/ (Tor Browser is not related to us) Follow the guidelines below to avoid losing your data: - Do not shutdown or reboot your computers, unmount external storages. - Do not try to decrypt data using third party software. It may cause irreversible damage. - Do not fool yourself. Encryption has perfect secrecy and it's impossible to decrypt without knowing the key. - Do not modify, rename or delete *.key.uj1ps files. Your data will be undecryptable. - Do not modify or rename encrypted files. You will lose them. - Do not report to authorities. The negotiation process will be terminated immediately and the key will be erased. - Do not reject to purchase. Your sensitive data will be publicly disclosed.
URLs

http://hiveleakdbtnp76ulyhi52eag6c6tyc3xw7ez7iqy6wc34gd2nekazyd.onion/

http://hivecust6vhekztbqgdnkks64ucehqacge3dij3gyrrpdp57zoq3ooqd.onion/

Targets

    • Target

      windows_25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5

    • Size

      884KB

    • MD5

      da13022097518d123a91a3958be326da

    • SHA1

      24a71ab462594d5a159bbf176588af951aba1381

    • SHA256

      25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5

    • SHA512

      a82aa97a92cd21ee2d4b556448fd3293396eb7c01d3626ebdb6c3816277783578686830c430014b6b2fc3280bc1301df27da079937f88834c2d35641eb5fc26f

    • SSDEEP

      12288:Sw41dVZvThPCsM18GLHe7wlDdkPAQEtxr0fflvRmhEBWtdUJiAUtP/T/kAfMvgVt:dod1HDmlDdkZ4YXPpaTTXMw

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Hive

      A ransomware written in Golang first seen in June 2021.

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • Clears Windows event logs

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

MITRE ATT&CK Enterprise v6

Tasks