Managed XDR

invoice.3329.xls — malware analysis report

File info

Filename
invoice.3329.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: owRWz, Last Saved By: Administrator, Name of Creating Application: Microsoft Excel, Create Time/Date: Wed Aug 5 09:00:36 2020, Last Saved Time/Date: Wed Aug 5 09:00:50 2020, Security: 0
File size
250.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
42c436cf362d445787312757f13a8018b8b98ca1
SHA256
6ac8e3d6825f57e8f3eea0dcc8719f0cb518c9be4dfc1584f3ae054db2330b07
MD5
27fa692defb3406292c2a0c411554c2a

Signatures

Execution

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1204.002 office_strings: Office file contains suspicious strings
T1064 office_macros: The document contains macroses (total: 2)
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)

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 macroses (total: 2)
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
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
office_summary: The document contains suspicious metadata
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
dotnet_suspicious_cultureidentifier: Dotnet program contains invalid CultureIdentifier