Managed XDR

christmas_card.docx (Follina) — malware analysis report

File info

Filename
christmas_card.docx
File type
Microsoft OOXML
File size
75.8 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
8083701800ba9e7c09fa8ad840a39f6eb336977b
SHA256
4ceb0fe03ba253e2c720234ff74a10ed7dab8f85d229319f12c07b134557ec8c
MD5
6178345627346ca45aa878ab49eb7bf9

Malwares

  • Follina

Signatures

Initial Access

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

Execution

T1203 exploit_CVE_2022_30190: Exploitation of Follina (CVE-2022-30190) Vulnerability
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

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
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents

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

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
writes_data: Writes big amount of data to disk

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