Managed XDR

c-users-user-desktop-spreadsheet.xls — malware analysis report

File info

Filename
c-users-user-desktop-spreadsheet.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Last Printed: Sun Jan 2 05:14:25 2022, Last Saved Time/Date: Sun Jan 2 05:15:26 2022, Security: 0
File size
44 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8f7d7052a776de3331a09de897f767205aad018a
SHA256
00f19edd5daea8d0410b2205a1e9e6d3af8f1e512abeb77ca99da5ed1fc7f2fa
MD5
b35ceb923e5a0b2b969994bf6a4e0415

Signatures

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

T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1082 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
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
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