Managed XDR

c-windows-syswow64-precrakerstub.vbs — malware analysis report

File info

Filename
c-windows-syswow64-precrakerstub.vbs
File type
UTF-8 Unicode text, with CRLF line terminators
File size
1.2 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a3331369eced63c78e5e8bd0fca53014c1c19ed7
SHA256
ba816c48fab684fb21e19722da0e8be24e5652afa0c8dd2cf6cd6ec51c270131
MD5
ec385efd59d94fb4fdce01b2d991faa0

Signatures

Execution

T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1569.002 persistence_service: Starts newly created service
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059 wscript_info_discovery: Collects info about system with Wscript.Shell

Persistence

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

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
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1027 obfuscated_vbs: Detected obfuscated VBS
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 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1070 stealth_window: A process created a hidden window

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1007 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
T1057 has_wmi: Executes one or several WMI requests
T1518 recon_programs: Collects information about installed programs
T1082 has_wmi: Executes one or several WMI requests
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1497.001 antivm_network_adapters: Checks NIC addresses
T1033 wscript_info_discovery: Collects info about system with Wscript.Shell
T1049 list_ts_rdp_sessions: Lists ts/rdp sessions
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 reads_csrss: Attempts to read csrss.exe memory

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
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

Impact

T1489 net_stop: Stops services through the use of net stop
T1489 service_control_stop: Stops services via ControlService

Other

AteraAgent: AteraAgent application detected
pe_in_bcryptdecrypt: PE found in BCryptDecrypt function
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
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
message_box: Displays a message
add_base64_to_registry: Writes Base64 encoded data to registry
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
ce_info: AteraAgent Configuration Data found