Managed XDR

new-order-12-.xlam (STRRAT) — malware analysis report

File info

Filename
new-order-12-.xlam
File type
Microsoft Excel 2007+
File size
3.5 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
7eb6d623b64f165813db9ab8113e1538290b3dd6
SHA256
2b4505f79755c3d3a80e6e3ac1e20a0018bc8341865ce52ea31d0b1300eef2cc
MD5
e3713933ac1af99922a477d7e83860c5

Malwares

  • STRRAT

Signatures

Execution

T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1559 suspicious_process: Spawns a suspicious process
T1047 has_wmi: Executes one or several WMI requests
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Persistence

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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
T1222 icacls: May obtain or change Discretionary access control lists (DACLs)
T1497 office_security_check: Checks Microsoft Office security settings
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
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents

Credential Access

T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1552 infostealer_mail: Collects personal data from local email clients
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

T1033 recon_beacon: The process has sent information about the computer over the network
T1497 office_security_check: Checks Microsoft Office security settings
T1016.001 system_network_configuration_discovery: System network configuration discovery detected
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1082 has_wmi: Executes one or several WMI requests

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.001 recon_beacon: The process has sent information about the computer over the network
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests
T1102.003 cloud_github: Connects to cloud services of Github (potentially for malicious payload delivery)
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
networkdyndns_checkip: Connects to a Dynamic DNS domain
creates_exe: Creates executable files in the file system
ip_domains: Identifies an IP address using external resources
suspicious_process_network: Unusual process network activity detected
dead_host: Connects to IP addresses that do not respond to requests
unexpected_exception: Unexpected exception
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
writes_data: Writes big amount of data to disk

Related reports

Managed XDR