Managed XDR

vtdl_ofcb9f7c — malware analysis report

File info

Filename
vtdl_ofcb9f7c
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: User, Template: Normal.dotm, Last Saved By: User, Revision Number: 4, Name of Creating Application: Microsoft Office Word, Create Time/Date: Fri Mar 8 09:50:00 2024, Last Saved Time/Date: Fri Mar 8 11:57:00 2024, Number of Pages: 1, Number of Words: 1, Number of Characters: 9, Security: 0
File size
1.3 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
06f698eea9f6684e7488644c793e07cde04ca4c9
SHA256
994eb8012115671af15d3fc16815ea8e416b8ef83f43bc08360f569572bb65e8
MD5
d01f3420038f1e37c46171436b95c2c8

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1064 office_macros: The document contains macroses (total: 3)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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

T1027 office_macros_hex_strings: Lines in hex found in document macro
T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1064 office_macros: The document contains macroses (total: 3)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1497.001 antivm_queries_computername: Retrieves the computer name
T1135 server_share_info: Retrieves information about each shared resource on a server
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
create_process_failed: Could not start the process
creates_doc: Creates (office) documents in the file system
creates_exe: Creates executable files in the file system
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
changes_ext_type: File extension changed from executable to non-executable or vice versa
get_policy_info: Retrieves information about a Policy object
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call