Managed XDR

chi-tiet-2023-nkc-2023.xls — malware analysis report

File info

Filename
chi-tiet-2023-nkc-2023.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: SC COMPUTER, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Last Printed: Tue Mar 5 12:06:34 2019, Create Time/Date: Tue Jan 8 04:12:49 1980, Last Saved Time/Date: Thu Jul 25 08:43:34 2024, Security: 0
File size
3.7 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
1969425bb3eed44a9f91391c05767ed6dfeabafa
SHA256
597c05c024e75ffbcedd5d39719bdf56f46770dffd57d2bad6507b06297a77fb
MD5
e8f4b824c507532a86ca1094b47084c6

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 246)
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

T1064 office_macros: The document contains macroses (total: 246)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

yara_rules: Static rules
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
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