Managed XDR

03.he-thong-cap-thoat-nuoc.xls — malware analysis report

File info

Filename
03.he-thong-cap-thoat-nuoc.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 02:10:17 2024, Create Time/Date: Thu Nov 22 00:41:41 2012, Last Saved Time/Date: Mon Dec 23 14:08:30 2024, Security: 0
File size
4.5 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3313a8f87be125507417f130083973737121d770
SHA256
ca1a9c33b8dff1bdab0b886c930e14a1158115cd4aef772fec9b5676aeff2d0e
MD5
599e90881a63bd76aca45364f24554c8

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 52)
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: 52)
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