Managed XDR

052e__autosaved-305835573815488128__.xls — malware analysis report

File info

Filename
052e__autosaved-305835573815488128__.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Author: user1, Last Saved By: chansim, Name of Creating Application: Microsoft Excel, Create Time/Date: Wed Feb 4 06:35:08 2015, Last Saved Time/Date: Sat Apr 1 08:34:52 2017, Security: 0
File size
2.2 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
7b9fd225693d35adf70cdcf06edaabcd67795afd
SHA256
834777355d90afab48e49aad2eaf25d8a25c033cf24e178941cbaf14659cae11
MD5
71e36bcd89fa3e0072c660fc08132d8c

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_strings: Feature lines found in document macro
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)

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562.001 disables_browser_warn: Disables browser security notifications
T1562.001 browser_security: Modifies browser security settings
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1064 office_macros_suspicious: Document contains suspicious macro
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1070 stealth_window: A process created a hidden window

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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
T1016.001 system_network_configuration_discovery: System network configuration discovery detected
T1135 server_share_info: Retrieves information about each shared resource on a server

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
hidden_ie: Starts hidden Internet Explorer
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
rpc_listen: Waits for 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