Managed XDR

knn-ho-so-gv-hk2-23-24...nhom2-ttkhanh-stll.xls — malware analysis report

File info

Filename
knn-ho-so-gv-hk2-23-24-92-tieng-anh-2-c25qt1-c25qt2-c25th3-ttk-hanh-sll-stgv-nhom-c25-qt-1-2-stgv-ta2-c25-qt-1-2-hk2-ta2-c25qt12-ttkhanh-nhom-2-ta2-c25qt12nhom2-ttkhanh-stll.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: GiangTay, Last Saved By: AutoBVT, Name of Creating Application: Microsoft Excel, Last Printed: Tue Aug 30 14:54:44 2022, Create Time/Date: Sun Apr 7 14:33:38 2019, Last Saved Time/Date: Wed May 15 14:28:49 2024, Security: 0
File size
181 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c91c5d46b43405ff523877b7136fe23f67af045b
SHA256
e4c11f4120fd8bf0e50efd946e6cbd5e6e7f727ef0d511265a81b7a3f9cfac07
MD5
75a28997425865524c875316a8298f5e

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 4)
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 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: 4)
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 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
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
creates_doc: Creates (office) documents in the file system
office_summary: The document contains suspicious metadata
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