Managed XDR

office-library-analysis-atpvbako.xla — malware analysis report

File info

Filename
office-library-analysis-atpvbako.xla
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 4.0, Code page: 949, Title: ', Author: Microsoft Corporation, Comments: VBA, Last Saved By: Microsoft Corporation, Security: 0
File size
345.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
159aebd70a848b03e3682045d9f750d812d27086
SHA256
b7edb20d753d1b9bd24a774058537de78d9a3df2d67e75a6144a7633badbbd06
MD5
913952d1477d35f07b89a54b912e6fdd

Signatures

Execution

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 3)
T1064 office_macros_autoexec: The document contains an auto-start macro

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_hidden: Document contains suspicious Excel 4.0 macro
T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
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_autoexec: The document contains an auto-start macro
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

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