Managed XDR

lb3_pass.exe (Lockbit) — malware analysis report

File info

Filename
lb3_pass.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
149.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
724c407f3a836dc2b03d87196c2d66b4f175fba1
SHA256
988b51ed7ee5fca84031449f7d23c419c1bf09982c239e7f0eb6b436e9553a83
MD5
fac93e08470221fa2a2bc62cf358cf7b

Malwares

  • Lockbit

Signatures

Execution

T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1082 has_wmi: Executes one or several WMI requests
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Other

yara_rules: Static rules
process_crashed: One of the processes has failed
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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