Managed XDR

attachment.xls — malware analysis report

File info

Filename
attachment.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Last Saved By: Bruno, Last Saved Time/Date: Wed Sep 10 17:56:42 2025, Security: 0
File size
615.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
27e60cbece5ba977ca44e35a6745601d9af4645a
SHA256
73af5327c303e866baa519cf7708f74c8ff0dc5baacf69d77ae1d9f1d945b32d
MD5
b689e2d211a72c42c39426ea89b9069e

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 9)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1047 has_wmi: Executes one or several WMI requests
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

T1027 office_macros_empty_space: The document contains a macro with a lot of spaces or empty lines
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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: 9)
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1082 reads_csrss: Attempts to read csrss.exe memory
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
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity

Other

kills_explorer: Terminates explorer.exe process
creates_exe: Creates executable files in the file system
office_summary: The document contains suspicious metadata
office_suspicious_data: Office file contains suspicious data
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call
yara_rules: Static rules