Managed XDR

bieu-cao-nam-2018-2023...2-bao-cao-nam-2020.xls — malware analysis report

File info

Filename
bieu-cao-nam-2018-2023-gui-chi-phuong-nestplus-bieu-so-1-va-so-2-bao-cao-nam-2020.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: Ulysses R. Gotera, Last Saved By: THUONG, Name of Creating Application: Microsoft Excel, Last Printed: Tue Feb 2 03:38:53 2021, Create Time/Date: Tue Oct 12 07:50:08 2004, Last Saved Time/Date: Fri Apr 12 01:15:12 2024, Security: 0
File size
305.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
ec134a6c8565f3093543694a15f5a535cee1a0ff
SHA256
acc6c8674729bdf6e4d98bf1b5e67d829c624f0552efae5a700619124fec3aa6
MD5
fa48660d4c0cfc6028d40967a43bfc45

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 2)
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

T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1064 office_macros: The document contains macroses (total: 2)
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

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1135 server_share_info: Retrieves information about each shared resource on a server
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
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