Managed XDR

raid-kostada2-outputs_...9b9fdf4e9b1412024f_adv (Lockbit) — malware analysis report

File info

Filename
raid-kostada2-outputs_reduced_dataset-gamma_sections_1772793660-bazaar.2023.01__heur-trojan-ransom.win32_ransom.generic-54b45f35926b12f7853e4854ae1d0a233ba1817451450d9b9fdf4e9b1412024f_adv
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
2.2 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
57aca47872054c986b23421e773887815be90d14
SHA256
78b914dc26a72b7e2603ff61e4448cd8bc887b5e3bfdfbf3395d367f9472e5c1
MD5
2db8b2e254d3ba707843699888bd155c

Malwares

  • Lockbit

Signatures

Execution

T1059.003 cmd_ping_del: Uses cmd.exe for pausing and deletion of the original file
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1546 classes_autorun: Registers new extension and adds execution command

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1546 classes_autorun: Registers new extension and adds execution command
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

T1070.004 deletes_self: Moves to different location or removes the original executable file
T1070.004 cmd_ping_del: Uses cmd.exe for pausing and deletion of the original file
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_utilities: Uses Windows utilities for pausing the execution
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
T1070 stealth_window: A process created a hidden window
T1070.004 self_removal_command: Executes command to delete itself
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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

Credential Access

T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1057 process_interest: Enumerates processes
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1518 locates_browser: Attempts to identify where browsers are installed
T1016.001 system_network_configuration_discovery: System network configuration discovery detected
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more 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
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
network_bind: Starts servers listening at None
opens_document: Opens office documents
create_process_failed: Could not start the process
network_anomaly: Network anomalies occured during the analysis
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
creates_in_programdata: Creates files in the ProgramData directory
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk

Related reports

Managed XDR