Managed XDR

k4.xls — malware analysis report

File info

Filename
k4.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: -535, Last Saved By: george, Name of Creating Application: WPS Office , Last Printed: Mon Nov 19 02:23:58 2012, Create Time/Date: Wed Sep 13 03:21:51 2006, Last Saved Time/Date: Wed Oct 9 17:15:03 2024, Number of Pages: 0, Number of Words: 0, Number of Characters: 0, Security: 0
File size
275 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
975fa94ef8717232457b9c8e36c5427f5093d0ce
SHA256
58ab352c5966ee83010b3a96c1ac99a9727b82302944b721d8583694cba8d340
MD5
f1f887029ed44e1a5dbd11ad3b5105c5

Signatures

Execution

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1064 office_macros_suspicious: Document contains suspicious macro
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)

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
T1064 office_macros_suspicious: Document contains suspicious macro
T1562.001 office_security: Attempts to modify Microsoft Office security settings
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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
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
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