Managed XDR

4d6da085-f0ef-4f9c-bfd0-dc30575d564f.eml — malware analysis report

File info

Filename
4d6da085-f0ef-4f9c-bfd0-dc30575d564f.eml
File type
RFC 822 mail, ASCII text, with CRLF line terminators
File size
17.1 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
244b030736a371830a456fd9202fd4d8b87d3db2
SHA256
4a2cb64d07e31465828c7b37442d553a882195da3a65a94c67229f8738c2f62a
MD5
4693042192909f6eceb76db6b6cbac18

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1569.002 persistence_service: Starts newly created service
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
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1543.003 creates_service: Creates a service, that will start automatically
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1543.003 creates_service: Creates a service, that will start automatically
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

Defense Evasion

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1497.001 antivm_generic_bios: Checks the BIOS version, possibly for anti-virtualization
T1497.001 antivm_generic_system: Checks the system manufacturer, possibly for anti-virtualization
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1497.001 antivm_network_adapters: Checks NIC addresses
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Discovery

T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1497.001 antivm_generic_bios: Checks the BIOS version, possibly for anti-virtualization
T1497.001 antivm_generic_system: Checks the system manufacturer, possibly for anti-virtualization
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1057 pidbruteforce: Enumerates processes using PID Bruteforce
T1082 has_wmi: Executes one or several WMI requests
T1497.001 antivm_network_adapters: Checks NIC addresses
T1049 list_ts_rdp_sessions: Lists ts/rdp sessions
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1016 get_hostname: Attempts to get hostname
T1082 wts_enumproc: Attempts to enumerate processes using WTS
T1082 reads_csrss: Attempts to read csrss.exe memory
T1082 recon_systeminfo: Collects system information (ipconfig, netstat, systeminfo, net)

Command and Control

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

Other

yara_rules: Static rules
creates_in_windows: Creates files in the Windows directory
modifies_certs: Attempts to generate or modify system certificates
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
creates_doc: Creates (office) documents in the file system
executes_dropped_exe: Executes dropped exe files
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
msi_has_custom_action: MSI file contains custom action
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
open_winlogon_process: Trying to open winlogon process
suricata_alert: Malicious traffic detected
valid_authenticode: The digital signature has been verified