Managed XDR

attachment.xls — malware analysis report

File info

Filename
attachment.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Author: CCB, Name of Creating Application: Microsoft Excel, Last Printed: Sat Feb 24 02:04:54 2018, Create Time/Date: Wed Feb 8 02:30:09 2012, Last Saved Time/Date: Thu Oct 22 07:43:21 2020, Security: 0
File size
250 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6c580dfdf18b604a4afd16e5b9bccf9800975b3d
SHA256
c7be9674c23f27c31b2d6ec53e48d2d6571b61a7db7282f9e478f7750ee098e6
MD5
91322198b9ef01a0872a211d62c1602d

Signatures

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

T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
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

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
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