Managed XDR

tmp-eml_attach_for_sca...59a43388f3581417d.file — malware analysis report

File info

Filename
tmp-eml_attach_for_scan-f6014534a847f0a59a43388f3581417d.file
File type
Microsoft Excel 2007+
File size
2.1 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
871279fda1b4b789ed8dc1a2507b9038ab14bb9d
SHA256
97fc00a27903282e5379ed78959824f3c199570f4c72ef255cc7853c034feb82
MD5
f6014534a847f0a59a43388f3581417d

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1559 suspicious_process: Spawns a suspicious process
T1059 suspicious_process: Spawns a suspicious process
T1059.001 suspicious_process: Spawns a suspicious process
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1059.005 bad_vbs: Suspicious VBScript file
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Defense Evasion

T1497 office_security_check: Checks Microsoft Office security settings
T1497 debugs_self: Creates a process and debugs it
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)

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 office_security_check: Checks Microsoft Office security settings
T1497 debugs_self: Creates a process and debugs it
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1083 checks_recent_files: Attempt to check recently opened files through registry

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

Other

creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
unexpected_exception: Unexpected exception
network_powershell: Powershell process network connection detected
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
writes_data: Writes big amount of data to disk
suricata_alert: Malicious traffic detected
yara_rules: Static rules
dotnet_suspicious_cultureidentifier: Dotnet program contains invalid CultureIdentifier