Managed XDR

c-users-user-desktop-41f80000 — malware analysis report

File info

Filename
c-users-user-desktop-41f80000
File type
Microsoft Excel 2007+
File size
2.9 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a536064b4bcfd1b4a83759d71a39352bf6956bc1
SHA256
2add4af8f7c62a1f65c9a02f7aad2b099356b43ac3b62e0197add5ca28b77184
MD5
c7a59c8bc77154a2e8b7e07c2c715cab

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204 office_mshtml_load: Microsoft Office loads MSHTML DLL files (indicator of ActiveX usage)
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 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 2)
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 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
creates_doc: Creates (office) documents in the file system
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