Managed XDR

spreadsheet.xls — malware analysis report

File info

Filename
spreadsheet.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Title: Cong ty TNHH Phan mem xay dung Bac Nam (BNSC), Author: Tungnx_0966.966.455, Keywords: bacnam.com.vn, Last Saved By: KH-KT-Mr.Khue, Name of Creating Application: Microsoft Excel, Last Printed: Mon Sep 19 06:26:23 2016, Create Time/Date: Thu Nov 22 00:41:41 2012, Last Saved Time/Date: Wed Nov 16 08:49:04 2016, Security: 0
File size
9.7 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
255b672eca52a60460ed78f7c8f21c40a7e74155
SHA256
7fc7b4e5546fe0adbe0b19cda98521a2fb92e651bcdfe080c91b546ecce6d6c9
MD5
f29daf1a910660eae91f108e582fad18

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 88)
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

T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 88)
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

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
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