Managed XDR

vtdl_yvvh1o7q (Follina) — malware analysis report

File info

Filename
vtdl_yvvh1o7q
File type
Microsoft OOXML
File size
788 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
2b7a08c6f9d9de3ca5b2a868060e83e18c8314a7
SHA256
1eb6fbd6ecb08ab6c5453789a3e207c44199b0f1f3f0ff919ec6ecbf58324761
MD5
1c90b31b815263d6656fabf88cf0af16

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 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
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

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

Other

yara_rules: Static rules
break_limit_exceeded: Warning: function calls limit has been exceeded
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

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