Managed XDR

greetings.docx (Follina) — malware analysis report

File info

Filename
greetings.docx
File type
Zip archive data, at least v2.0 to extract
File size
11.8 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e70c7763c296f925e1ac9b5bf2c268a8843ab731
SHA256
8754625faf65a4a06ffb6939f218f2bed0eaaa04043a6c2e2d6efdc102b72b68
MD5
450827e8c8f41b860d1f94f292262abd

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

Privilege Escalation

T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

Command and Control

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

Other

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
suricata_alert: Malicious traffic detected

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