Managed XDR

c-users-user-desktop-attachment.xls — malware analysis report

File info

Filename
c-users-user-desktop-attachment.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1251, Title: - -, , Author: EducatedFool, Comments: ==== http://ExcelVBA.ru/ ===== Excel ICQ: 5836318 Skype: ExcelVBA.ru======================, Last Saved By: Igor, Revision Number: 4407, Name of Creating Application: AddinUpdater, Create Time/Date: Mon Dec 23 21:05:58 2024, Last Saved Time/Date: Mon Dec 23 21:05:59 2024, Security: 0
File size
5.8 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
4c6c983cb596bf96412bb54233545d03fdbc46f5
SHA256
ea414cc220e6a1dcdef7d51b47e71abdb6b9e2d52f1f15f1f6c32377dec2bcfe
MD5
a4db289000b8334645c887124fc6e499

Signatures

Execution

T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros_strings: Feature lines found in document macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks
T1064 office_macros: The document contains macroses (total: 170)
T1064 office_macros_autoexec: The document contains an auto-start macro

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_suspicious: Document contains suspicious macro
T1064 office_macros_strings: Feature lines found in document macro
T1027 office_macros_hex_strings: Lines in hex found in document macro
T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 170)
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

Discovery

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

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
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