Managed XDR

spreadsheet.xls — malware analysis report

File info

Filename
spreadsheet.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1252, Author: User, Last Saved By: USER, Name of Creating Application: Microsoft Excel, Last Printed: Thu Dec 29 03:02:04 2016, Create Time/Date: Mon May 18 01:58:31 2009, Last Saved Time/Date: Thu Dec 29 03:11:23 2016, Security: 0
File size
4 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
3ba325e2bd2e402010a8f444341aca929bae637d
SHA256
79b93c39c4489badd1a819b7e35cf09fdfc58ee111e898dedf655f6611d35e4a
MD5
dea19dd7d44f494dca196fdb4d3211e9

Signatures

Execution

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)
T1064 office_macros: The document contains macro
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

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1055 injection_failed: The attempt to inject into a process has failed

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

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

Other

network_bind: Starts servers listening at None
creates_doc: Creates (office) documents in the file system
office_summary: The document contains suspicious metadata
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
yara_rules: Static rules
Managed XDR