Managed XDR

obf_vba.doc — malware analysis report

File info

Filename
obf_vba.doc
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: vedavyas, Template: Normal, Last Saved By: vedavyas, Revision Number: 2, Name of Creating Application: Microsoft Office Word, Total Editing Time: 10:00, Create Time/Date: Thu Aug 29 16:46:00 2024, Last Saved Time/Date: Thu Aug 29 17:07:00 2024, Number of Pages: 1, Number of Words: 0, Number of Characters: 0, Security: 0
File size
29.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a43dda3501c4f1d720f8d4040f7e6392593a9cc0
SHA256
135651bec1805ff5795e91dff0caf7477633b5725372bf97c033567c7add6d27
MD5
a195d16dca431d5f26f1982c05364cc0

Signatures

Execution

T1064 office_macros_nulled: The document contains a macro with removed source code
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 2)
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)

Privilege Escalation

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

T1064 office_macros_nulled: The document contains a macro with removed source code
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_suspicious: Document contains suspicious macro
T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call