Managed XDR

attachment.xls — malware analysis report

File info

Filename
attachment.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1251, Author: Dream, Last Saved By: RHRSDJTJDGHT, Name of Creating Application: Microsoft Excel, Create Time/Date: Fri Jun 5 18:19:34 2015, Last Saved Time/Date: Sun Jun 12 18:21:36 2022, Security: 0
File size
60.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
c708ac79c60b584b27984b19f74850e894162661
SHA256
78eadb827d1d38ebaa929d0b8d8086874efb761367b2cdefe97319b416ee3a8a
MD5
7f6b4c31435daed996c8696435ade9b7

Signatures

Execution

T1203 office_runs_dll: Suspicious document behavior (tries to execute DLL file in hidden window)
T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1203 office_exploit_http: The document exhibits suspicious behavior (performs HTTP requests)
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1064 office_macros: The document contains macroses (total: 3)
T1064 office_macros_autoexec: The document contains an auto-start macro
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
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
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: 3)
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

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1082 has_wmi: Executes one or several WMI requests
T1057 has_wmi: Executes one or several WMI requests
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 office_exploit_http: The document exhibits suspicious behavior (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behavior (performs DNS requests)
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

network_bind: Starts servers listening at None
dead_host: Connects to IP addresses that do not respond to requests
office_summary: The document contains suspicious metadata
office_suspicious_data: Office file contains suspicious data
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
yara_rules: Static rules