Managed XDR

vtdl_ffbrbvg8 — malware analysis report

File info

Filename
vtdl_ffbrbvg8
File type
Zip archive data, at least v2.0 to extract
File size
164.3 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
987e21c4f8088fe646a8f90614b9323d87bd8f85
SHA256
fa8e21ab617b73f63d0b25255cefcab39d4a74263e8ed648252850419d1dc466
MD5
b1007a6c60e959c8e7e32ce805de2fb6

Signatures

Execution

T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1203 office_write_exe: Office document dropped an executable file
T1059.003 suspicious_process: Spawns a suspicious process

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

T1218.011 rundll_suspicious_extension: Runs rundll32, submitting a file with a suspicious extension
T1218.011 rundll_incorrect_pe: Runs rundll32, submitting incorrect PE file
T1036 rundll_suspicious_extension: Runs rundll32, submitting a file with a suspicious extension
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

T1135 server_share_info: Retrieves information about each shared resource on a server
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
message_box: Displays a message
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