Managed XDR

packed_hr.doc — malware analysis report

File info

Filename
packed_hr.doc
File type
Microsoft OOXML
File size
346.2 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
ce03ee2f81801bb8fea11eb582c2fcd3c85e7149
SHA256
4e2810b2e091ec329db89fc74c32fd2d1604c64020c54eedf4932c68e0403e71
MD5
f87a830f642abc3afcb90af62db84bb4

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

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

T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name
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

Credential Access

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

Discovery

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name
T1135 server_share_info: Retrieves information about each shared resource on a server

Command and Control

T1102.003 references_github: Contains links to cloud services of Github (potentially for malicious payload delivery)

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
create_process_failed: Could not start the process
http_file_not_found: Attempts to download EXE or DLL file but receives HTML with an error
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
error_drawtext: An error occured while executing the file
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call