Managed XDR

c-windows-2ltg9.exe — malware analysis report

File info

Filename
c-windows-2ltg9.exe
File type
Microsoft Excel 2007+
File size
2.2 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
74944e3a059f867867bcbe0aed7a77bd13ea8feb
SHA256
736ec96f36c1daa19d47fb39c2d08f067585deda2815ed9bf8916a0e00fdc26a
MD5
23c61da9cbd0575306e422a66a46c46b

Signatures

Execution

T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1203 office_exploit_http: The document exhibits suspicious behavior (performs HTTP requests)
T1059.003 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)
T1059.003 suspicious_batch: Suspicious batch

Privilege Escalation

T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1497 office_security_check: Checks Microsoft Office security settings
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
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
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

T1082 has_wmi: Executes one or several WMI requests
T1497 office_security_check: Checks Microsoft Office security settings
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1057 has_wmi: Executes one or several WMI requests
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
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

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
T1102.003 cloud_amazonaws: Connects to cloud services of Amazon AWS (potentially for malicious payload delivery)
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
network_bind: Starts servers listening at None
suspicious_process_network: Unusual process network activity detected
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
suricata_alert: Malicious traffic detected
yara_rules: Static rules
Managed XDR