Managed XDR

02.-phan-xay-dung.1.xls — malware analysis report

File info

Filename
02.-phan-xay-dung.1.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: -535, Subject: bacnam.com.vn, Author: Tn Nhng V, Keywords: bacnam.com.vn, Last Saved By: Minh Toan, Name of Creating Application: Microsoft Excel, Last Printed: Mon Dec 9 02:11:52 2024, Create Time/Date: Thu Nov 22 00:41:41 2012, Last Saved Time/Date: Mon Dec 23 14:03:59 2024, Security: 0
File size
6.8 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c26664dae6c5bb179a4d9ab9e97c4a6a70b55778
SHA256
3544f1afa2be52c5e39ea32d1a11592ec887ec97f1b7636ea9e8278ecbcc8e4e
MD5
df739a6a7ecc6ddc90df0443a36cb072

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 53)
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)

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 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 53)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
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 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
creates_suspended_process: Creates suspended process
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
checktokenmembership: Checks user token with CheckTokenMembership call