Managed XDR

cve-2017-11882.rtf — malware analysis report

File info

Filename
cve-2017-11882.rtf
File type
Rich Text Format data, version 1, ANSI
File size
7.9 KB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
cfdb2309e93c856f2c517de52f2a8b6ec6e3dc7b
SHA256
8868dc9df733366c2748c1db817a045694465275fe13c08fad3a08535a836d77
MD5
d0340bba56765ef11ceaab5e5a916ee5

Signatures

Execution

T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1203 office_exploit_http: The document exhibits suspicious behavior (performs HTTP requests)
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL

Persistence

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
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

T1218 suspicious_cmdline: Executes a suspicious command
T1562 dep_disable: Disables DEP
T1574.011 persistence_services: Modifies Services registry key
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1082 checks_firmware: Attempts to read firmware information (potentially for evasion)

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 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

suspicious_process_network: Unusual process network activity detected
suspicious_process: Spawns a suspicious process
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
regsvr_scriptlet_ex: Uses regsvr32 for scriptlet execution, perhaps for AWL bypass
yara_rules: Static rules
dotnet_suspicious_cultureidentifier: Dotnet program contains invalid CultureIdentifier