Managed XDR

attachment.xls (ZLoader) — malware analysis report

File info

Filename
attachment.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1253, Author: Panagiotis Fassilis, Last Saved By: Panagiotis Fassilis, Name of Creating Application: Microsoft Excel, Last Printed: Tue May 13 06:52:34 2014, Create Time/Date: Thu Jan 29 09:23:45 1998, Last Saved Time/Date: Wed May 29 07:37:44 2019, Security: 0
File size
178 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
63b92b8c647f0b7385a3a1d43adf20d2a85ddac5
SHA256
11c7bb3e873ff2cee90a3f7178ae9e9078f4c8be672ee9280bb38b42e5be611d
MD5
c2b55b0dc065dbc3bc58bb3fbb06dab0

Malwares

  • ZLoader

Signatures

Execution

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 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: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro

Defense Evasion

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1064 office_macros: The document contains macroses (total: 2)
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