Managed XDR

mal_sample_45 — malware analysis report

File info

Filename
mal_sample_45
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 5.2, Code page: 936, Name of Creating Application: Microsoft Excel, Create Time/Date: Tue Dec 17 01:32:42 1996, Last Saved Time/Date: Mon May 11 02:39:41 2009, Security: 0
File size
97 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6796e0ac73ccb2dbc85384b8b09a1d408fec2fab
SHA256
977c8d3dc730c9e8e9862aba7b64970c50f4b2b2e9ce6138827f4e807b432492
MD5
aaa0aa1c73fd551f419d555a0ac8c266

Signatures

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains 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

T1096 persistence_ads: Creates Alternate Data Stream (ADS)
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 macro

Discovery

T1497 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
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
creates_suspended_process: Creates suspended process
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