Managed XDR

jaryo.docx — malware analysis report

File info

Filename
jaryo.docx
File type
Microsoft OOXML
File size
10 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
7c7cfa0ee80d8a3fb1fbc710f7e9795c67b75771
SHA256
9e04508db5369887bf3bd1d4ac789645a17c923425aa6738e8375781dc36f80e
MD5
29bca2930a7d286cf003c4a7095c8c38

Signatures

Initial Access

T1192 downloader_ms_word: Suspicious link to an external file (Microsoft Word)

Execution

T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Defense Evasion

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1083 checks_recent_files: Attempt to check recently opened files through registry

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
exploit_CVE_2021_40444: Exploits CVE-2021-40444 vulnerability
dead_host: Connects to IP addresses that do not respond to requests
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services