Managed XDR

attachment.xls — malware analysis report

File info

Filename
attachment.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 5.1, Code page: 1200, Locale ID: 2052, Last Saved By: e, Create Time/Date: Tue Dec 17 01:32:42 1996, Last Saved Time/Date: Tue Jan 20 08:19:06 2015, Last Printed: Tue Dec 30 10:23:28 2014, Number of Pages: 0, Number of Words: 0, Number of Characters: 0, Name of Creating Application: Microsof, Security: 0
File size
43.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
d405218c12674eece9393a96e85f8ae67a013bab
SHA256
ee3e2e2798d5de0bbba1c8c9e16ca09cc850fa10fc4154b047644f808d71e591
MD5
3ba83bc6f169a871169048d9a1d1d08d

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

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
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro

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
T1135 server_share_info: Retrieves information about each shared resource on a server
T1497 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
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