Managed XDR

new-nic-blank.xls (ZLoader) — malware analysis report

File info

Filename
new-nic-blank.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Title: New Item Input Form, Author: Wal-Mart Item File;ISD, Comments: Item Creation Template; contains appropriate headers with definitions., Last Saved By: Jennifer Almeida, Name of Creating Application: Microsoft Excel, Last Printed: Mon Mar 9 20:52:41 2020, Create Time/Date: Fri Aug 1 18:09:42 2003, Last Saved Time/Date: Fri Nov 14 15:02:38 2025, Security: 0
File size
1.5 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
9f7ff897eccc27cc74d9603c0a541925c7686282
SHA256
bddff2173858748f948d8735eb6f227b4fe8aa21b25879c0cf45b03c5a647efd
MD5
ee85aa4ccc47b4f79556bc7550352fcb

Malwares

  • ZLoader

Signatures

Execution

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1064 office_macros_suspicious: Document contains suspicious macro
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: 14)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Defense Evasion

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1064 office_macros: The document contains macroses (total: 14)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

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

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
test_check_service: Starts services
writes_data: Writes big amount of data to disk

Related reports

Managed XDR