Managed XDR

lbb_rundll32.dll (Lockbit) — malware analysis report

File info

Filename
lbb_rundll32.dll
File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
File size
158.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
777833fdaf0c1e5d03dde300dba3947a9b65c656
SHA256
00aa54bfab3963a2c006058e48cde42e299811f9b85acbc69406c5bfb331f789
MD5
0682f7cfceb51d4a6a213b9fe4159ad2

Malwares

  • Lockbit

Signatures

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
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

T1055.012 injection_runpe: Injects code into another process
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
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
T1070 stealth_window: A process created a hidden window
T1070.004 self_removal_command: Executes command to delete itself

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1518 locates_browser: Attempts to identify where browsers are installed

Other

yara_rules: Static rules
lockbit: Detected ransomware Lockbit
executes_dropped_exe: Executes dropped exe files
creates_suspended_process: Creates suspended process
message_box: Displays a message
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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