Managed XDR

siatex-ltd-inquiry-ref.-191791.docx — malware analysis report

File info

Filename
siatex-ltd-inquiry-ref.-191791.docx
File type
Zip archive data, at least v2.0 to extract
File size
1.1 MB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
ec6b7e5426e85c2bf17fbdadb5e889b15896117a
SHA256
eb2c24816da9fec4b4eeda3b26bb5af6b6185e12e51cfcdb0847490d46405250
MD5
cf102e90b65644ec1d651a030bc9f645

Signatures

Execution

T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1059.005 bad_vbs: Suspicious VBScript file
T1203 office_write_exe: Office document dropped an executable file
T1059.001 suspicious_powershell: Creates suspicious PowerShell process
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_process: Spawns a suspicious process

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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562 dep_disable: Disables DEP
T1574.011 persistence_services: Modifies Services registry key
T1070 stealth_window: A process created a hidden window
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_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Credential Access

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

Discovery

T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 checks_firmware: Attempts to read firmware information (potentially for evasion)

Collection

T1560.001 archive_via_utility: Detected archiving data via utility

Other

yara_rules: Static rules
office_embedded: Office document contains embedded executable file(s)
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
creates_suspended_process: Creates suspended process
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