Managed XDR

vgu_final.doc — malware analysis report

File info

Filename
vgu_final.doc
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Nguyen Long Phan, Template: Normal.dotm, Last Saved By: K K, Revision Number: 2, Name of Creating Application: Microsoft Office Word, Create Time/Date: Thu Dec 5 11:44:00 2024, Last Saved Time/Date: Thu Dec 5 11:44:00 2024, Number of Pages: 1, Number of Words: 10, Number of Characters: 62, Security: 0
File size
48.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
cd5c58905c31753f2bc2920053b85de4835fae86
SHA256
4434e5b7bbd577a0119ddbacb11744a63299646f4b61efebd83e3ef8fb75f49f
MD5
33ef79ab8673ac5c7c054b354592b4be

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1059.001 suspicious_process: Spawns a suspicious process
T1203 office_start_thread: Allocates memory and starts a thread inside an office application
T1064 office_macros_suspicious: Document contains suspicious macro
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)
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL

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

T1064 office_macros_suspicious: Document contains suspicious macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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

T1518 locates_browser: Attempts to identify where browsers are installed
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
code_share_services: Connects to text storage services (potentially for malicious payload delivery)
modifies_certs: Attempts to generate or modify system certificates
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