Managed XDR

saesl-tv-critical-list...5-linkcall-updates.xls — malware analysis report

File info

Filename
saesl-tv-critical-list-30032015-linkcall-updates.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 5.1, Code page: 1252, Author: Test, Last Saved By: Test, Name of Creating Application: Microsoft Excel, Create Time/Date: Mon Mar 30 09:34:15 2015, Last Saved Time/Date: Mon Mar 30 09:34:46 2015, Security: 0
File size
407.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
0e9227b38f221dfd9495e3cf9dcafbd9685f10af
SHA256
baf7d44ce11e06a3c0eda97e379e2a8bd4456200dca322f4e3411b3871b956ed
MD5
76ab966b89246fc0f215dc22c1d1cc3d

Signatures

Execution

T1203 office_runs_dll: Suspicious document behavior (tries to execute DLL file in hidden window)
T1203 office_write_exe: Office document dropped an executable file
T1203 office_exploit_http: The document exhibits suspicious behavior (performs HTTP requests)
T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious macro
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
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)
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1027 office_macros_hex_strings: Lines in hex found in document macro
T1564.001 stealth_file: Creates hidden or system files
T1562.001 browser_security: Modifies browser security settings
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
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
T1055 injection_failed: The attempt to inject into a process has failed

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1057 has_wmi: Executes one or several WMI requests
T1016 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

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

Other

network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
creates_doc: Creates (office) documents in the file system
dead_host: Connects to IP addresses that do not respond to requests
office_summary: The document contains suspicious metadata
creates_suspended_process: Creates suspended process
creates_in_programdata: Creates files in the ProgramData directory
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
js_suspicious: Suspicious javascript
yara_rules: Static rules