Managed XDR

rsa_secure_document.docm — malware analysis report

File info

Filename
rsa_secure_document.docm
File type
Microsoft Word 2007+
File size
18.7 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
2ff614d7d4d102bb4769f3cb11835d298ab482f8
SHA256
39ccf908a78e45fe37e06c96f17b395813e1516346d5ca8289bd7b5fc60e96d8
MD5
3be09b22e5ad18d5a6b3bcb04499e918

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behavior (creates PowerShell process)
T1203 office_exploit_creates_cmd: The document exhibits suspicious behavior (creates a cmd.exe process)
T1203 office_exploit_http: The document exhibits suspicious behavior (performs HTTP requests)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_suspicious: Document contains suspicious macro
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1204.002 office_strings: Office file contains suspicious strings
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 suspicious_batch: Suspicious batch
T1059.003 url_cmdline: Cmdline of process contains URL
T1064 office_macros: The document contains 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)
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Privilege Escalation

T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_suspicious: Document contains suspicious macro
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1089 disables_smartscreen: Modifies or disables Windows SmartScreen
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
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
T1070 stealth_window: A process created a hidden window
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
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1082 has_wmi: Executes one or several WMI requests
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1518 locates_browser: Attempts to identify where browsers are installed
T1083 checks_recent_files: Attempt to check recently opened files through registry
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
T1082 recon_systeminfo: Collects system information (ipconfig, netstat, systeminfo, net)

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

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 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

kills_explorer: Terminates explorer.exe process
multiple_useragents: Uses more than one unique User-Agent
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
network_powershell: PowerShell process network connection detected
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
yara_rules: Static rules
Managed XDR