Managed XDR

y-danaps12.zip (Lockbit, Vidar, GandCrab) — malware analysis report

File info

Filename
y-danaps12.zip
File type
Zip archive data, at least v2.0 to extract
File size
783.3 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
ad992ac91210fd828225f4fd133e822aed3207e5
SHA256
9916a835c20ea3eb75657f34eeb0fa152e72b374954bea087445d7e383e68455
MD5
b84ad67ac5e6bda5b67396ff1ad0a60d

Malwares

  • Lockbit
  • Vidar
  • GandCrab

Signatures

Resource Development

T1585.001 social_telegram: Connects to Telegram (potentially for information gathering)
T1586.001 social_telegram: Connects to Telegram (potentially for information gathering)

Execution

T1047 has_wmi: Executes one or several WMI requests

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070 stealth_window: A process created a hidden window

Credential Access

T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1486 ransomware_extensions: Ransomware(s) Lockbit indicators detected (specific extension is added to files)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)
T1486 ransomware_files: Ransomware indicators detected Lockbit (creates keys and the instruction on how to unlock the files)

Other

yara_rules: Static rules
ce_info: Lockbit Configuration Data found
lockbit: Detected ransomware Lockbit
ransomware_shadowcopy: Removes volume shadow copies
ransomware_bcdedit: Runs bcdedit commands specific to ransomware
creates_in_windows: Creates files in the Windows directory
multiple_useragents: Uses more than one unique User-Agent
create_process_failed: Could not start the process
dead_host: Connects to IP addresses that do not respond to requests
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
origin_langid: Unconventional language of the executable file
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
archive_password_infected: Archive is protected by 'infected' password
checktokenmembership: Checks user token with CheckTokenMembership call
suricata_alert: Malicious traffic detected

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