Managed XDR

attachment.xls — malware analysis report

File info

Filename
attachment.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Last Saved By: Linky, Last Saved Time/Date: Wed Oct 15 10:41:56 2025, Security: 1
File size
621.5 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
1d545c9ad98d1aae14771e605f0097f621f9bd5e
SHA256
d7c79f2a0a3141c1b8a6c6875e2e72f36f0d6dba37cddcb59543b60264a6ffc2
MD5
707833af7a71af38be2879a4af63873f

Signatures

Execution

T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious 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)
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)
T1064 office_macros: The document contains macroses (total: 7)
T1064 office_macros_autoexec: The document contains an auto-start macro

Privilege Escalation

T1055 injection_failed: The attempt to inject into a process has failed

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 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1055 injection_failed: The attempt to inject into a process has failed
T1064 office_macros: The document contains macroses (total: 7)
T1064 office_macros_autoexec: The document contains an auto-start macro

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1082 has_wmi: Executes one or several WMI requests

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

kills_explorer: Terminates explorer.exe process
accesses_mailslot: Performs a Mailslot ping, possibly used to get Domain Controller information
office_summary: The document contains suspicious metadata
office_suspicious_data: Office file contains suspicious data
creates_suspended_process: Creates suspended process
test_check_service: Starts services
writes_data: Writes big amount of data to disk
yara_rules: Static rules