Managed XDR

c-users-user-desktop-readme.doc-copy (Follina) — malware analysis report

File info

Filename
c-users-user-desktop-readme.doc-copy
File type
Rich Text Format data, version 1, unknown character set
File size
48.2 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e045c3974b367bd24ca05d189d6e3ec5d91ee4d4
SHA256
e02139b9f30d553084b9ade397c44d336945157c60f6fc0c78c9de09a93f1184
MD5
86cb5244022b4e3bfe99ef066fbf3a1a

Malwares

  • Follina

Signatures

Execution

T1203 exploit_CVE_2017_0199: Possible exploitation of CVE-2017-0199
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

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
T1497.001 antivm_queries_computername: Retrieves the computer name
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

Other

yara_rules: Static rules
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
checktokenmembership: Checks user token with CheckTokenMembership call

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