Managed XDR

word-embeddings-micros...7_-_2003_document5.doc — malware analysis report

File info

Filename
word-embeddings-microsoft_word_97_-_2003_document5.doc
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 936, Title: AUX 01, Author: lfz, Template: Normal, Revision Number: 7, Name of Creating Application: Microsoft Office Word, Total Editing Time: 01:22:00, Last Printed: Fri Nov 16 02:53:00 2018, Create Time/Date: Mon Apr 15 05:35:00 2019, Last Saved Time/Date: Mon Dec 13 05:25:00 2021, Number of Pages: 1, Number of Words: 444, Number of Characters: 2534, Security: 0
File size
179 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
ba30a238763f621c617ea13be59fc95a7fb3c634
SHA256
1d8e02c681878548ed3b7e0d01065979b319e5ce832d8d48fd048eb55704aa5b
MD5
8df1567a3358adf619948da9dc3d1455

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

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
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
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

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name
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

Command and Control

T1102.003 references_google: Contains links to cloud services of Google (potentially for malicious payload delivery)

Other

yara_rules: Static rules
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
create_rpc_bindings: Creates RPC connection
pdf_compressed_stream: Contains an object with compressed stream
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call