Managed XDR

c-windows-y8s9rw.exe — malware analysis report

File info

Filename
c-windows-y8s9rw.exe
File type
Microsoft Excel 2007+
File size
50.1 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
03d993ec868d9cb260477aa51a76fedc3075c700
SHA256
f2ce5eefc2afb33e7fa6726d5dc4727131ef6dc748ece74c770fef26d9a71587
MD5
1d9d9f0cd8f64d9f46ed1811288c659b

Signatures

Execution

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
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
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

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
T1055 injection_failed: The attempt to inject into a process has failed
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

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

Discovery

T1082 recon_url_beacon: Sends information about the computer over the network using URL
T1033 recon_url_beacon: Sends information about the computer over the network using URL
T1082 has_wmi: Executes one or several WMI requests
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

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behavior (performs HTTP requests)
T1071.001 recon_url_beacon: Sends information about the computer over the network using URL
T1071.004 office_exploit_dns: The document exhibits suspicious behavior (performs DNS 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
creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services