Managed XDR

di0ky.exe (Lockbit) — malware analysis report

File info

Filename
di0ky.exe
File type
PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows
File size
1.4 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
494d61f4f1caabdbb0af15a2bad7b44e930c72cf
SHA256
0696f6452ffa8cdefa9418557ca10cdecc4e8206e0e45dad7582721755786bd2
MD5
76f57e46686a6be439be53f152b7a152

Malwares

  • Lockbit

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1070.001 wevtutil_clear_log: Clears event log using wevtutil
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1562.001 amsi_patching_attempt: Attempts to patch Microsoft AMSI protection (amsi.dll)
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1218 suspicious_cmdline_keywords: Cmdline with suspicious keywords

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

T1057 process_interest: Enumerates processes
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1518 locates_browser: Attempts to identify where browsers are installed
T1016 get_hostname: Attempts to get hostname
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers

Collection

T1113 screenshot_file: Possibly, makes a screenshot and saves it to a file

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 mass_data_encryption: Encrypts data using the same key (possible ransomware behaviour)
T1489 service_control_stop: Stops services via ControlService

Other

lockbit: Detected ransomware Lockbit
ransomware_bcdedit: Runs bcdedit commands specific to ransomware
accesses_mailslot: Performs a Mailslot ping, possibly used to get Domain Controller information
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
malware_cmdline: Suspicious words in the command line
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
writes_data: Writes big amount of data to disk

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Managed XDR