Managed XDR

vtdl_1750580228_wwgjfbh6 (Lockbit, BlackMatter) — malware analysis report

File info

Filename
vtdl_1750580228_wwgjfbh6
File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
File size
145.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8c51fecc052ed6b6fc859ec213975a3a13cd5733
SHA256
dc4335fdf1d35d7adc965b2e82c1ee25f5a3bca5fd121e6d3bda84a22943c693
MD5
42c2d35d532b16a0c6eec95cac1e4c29

Malwares

  • Lockbit
  • BlackMatter

Signatures

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1574 dropper_dll: Creates DLL, which is then loaded into the 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
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1497.001 antivm_queries_computername: Retrieves the computer name
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
T1497.001 antivm_queries_computername: Retrieves the computer name

Other

yara_rules: Static rules
lockbit: Detected ransomware Lockbit
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
message_box: Displays a message
error_drawtext: An error occured while executing the file
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call

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