Managed XDR

unknownspf.exe — malware analysis report

File info

Filename
unknownspf.exe
File type
PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows
File size
3.6 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
127c2a3f3df35553335e0d68316709723a149c2e
SHA256
1beb993b17cc10222a67f3c5391c636ff3282122d5d77c1639b61e392018bb28
MD5
e321b35dba2e07379dfe9ea2add757f6

Signatures

Execution

T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059.003 suspicious_batch: Suspicious batch

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

Defense Evasion

T1070.004 deletes_self: Moves to different location or removes the original executable file
T1562.001 disables_security: Disables Windows Security options
T1564.001 hides_original_file: Makes original executable file hidden
T1564.001 stealth_file: Creates hidden or system files
T1027.002 packer_polymorphic: Creates a modified copy of itself
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_hyperv_keys: Attempts to detect Hyper-V
T1562 modify_uac_prompt: Attempts to modify UAC pop-up window behavior
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497.001 antivm_network_adapters: Checks NIC addresses
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
T1497.001 antivm_queries_computername: Retrieves the computer name
T1070 stealth_window: A process created a hidden window

Credential Access

T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

Discovery

T1033 sam_users_discovery: Enumerates users or groups in system with SAM API
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_hyperv_keys: Attempts to detect Hyper-V
T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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
T1518 locates_browser: Attempts to identify where browsers are installed
T1135 server_share_info: Retrieves information about each shared resource on a server
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 network_http: Performs HTTP requests

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Impact

T1489 stops_service: Stops Windows services
T1489 net_stop: Stops services through the use of net stop

Other

static_pe_anomaly: The PE file structure contains anomalies
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
break_limit_exceeded: Warning: function calls limit has been exceeded
test_check_service: Starts services
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
suricata_alert: Malicious traffic detected
yara_rules: Static rules
Managed XDR