Managed XDR

c-users-user-appdata-l...v0vx90v3rjj0v0v-1-.doc — malware analysis report

File info

Filename
c-users-user-appdata-local-microsoft-windows-temporary-internet-files-content.ie5-d40baapm-sdfoisd09w0dfgkjreg0e9g0e0g0erg0e90g0gdfg889dg90dg90df9g00xcv0vx90v3rjj0v0v-1-.doc
File type
Rich Text Format data, version 1, unknown character set
File size
62.3 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
abffc183900d1979edb74a3dc83cb48fc94bebc0
SHA256
ae00e031d07bf3aa0cbfa8f7b51cf7713d2e446af6fa3bebc015785f9244229d
MD5
c91178c67f35476ba7c9434bb00cdf85

Signatures

Execution

T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1559 suspicious_process: Spawns a suspicious process
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Privilege Escalation

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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497 office_security_check: Checks Microsoft Office security settings
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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

T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1497 office_security_check: Checks Microsoft Office security settings
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
suspicious_process_network: Unusual process network activity detected
unexpected_exception: Unexpected exception
creates_suspended_process: Creates suspended process
test_check_service: Starts services
writes_data: Writes big amount of data to disk