Managed XDR

lbb_ps1.ps1 (Lockbit) — malware analysis report

File info

Filename
lbb_ps1.ps1
File type
ASCII text, with very long lines, with CRLF, LF line terminators
File size
466.6 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
9397b1ce2b42e8b08431ea55afa951b0d0402c28
SHA256
2f5051217414f6e465f4c9ad0f59c3920efe8ff11ba8e778919bac8bd53d915c
MD5
0eff1f3ca94f1c8aeb4b720d6dd54fc3

Malwares

  • Lockbit

Signatures

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

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_queries_computername: Retrieves the computer name
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

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name
T1135 server_share_info: Retrieves information about each shared resource on a server

Other

yara_rules: Static rules
lockbit: Detected ransomware Lockbit
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
checktokenmembership: Checks user token with CheckTokenMembership call

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