Managed XDR

wextract.exe-.mui — malware analysis report

File info

Filename
wextract.exe-.mui
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
1.3 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
ed9f61a9809bcb75005081ccebc99918cc755659
SHA256
920039788b3a1620bbafc5b02d10827ce68ec4bb6f9088014f76c8eecb01875d
MD5
ea09896ab82a8dce13e4fec8c0210b94

Signatures

Execution

T1059 autoit: AutoIt script execution detected
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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_runmru: Attempts to detect Sandbox by Run MRU
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1480 system_default_lang_id_present: Checks the system language
T1070 stealth_window: A process created a hidden window

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_runmru: Attempts to detect Sandbox by Run MRU
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1135 server_share_info: Retrieves information about each shared resource on a server

Command and Control

T1568.002 dga_domains: Connects to DGA domains
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

static_pe_anomaly: The PE file structure contains anomalies
creates_in_windows: Creates files in the Windows directory
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
executes_dropped_exe: Executes dropped exe files
create_rpc_bindings: Creates RPC connection
dll_mapping_exception: Failed mapping of DLL with exception
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
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
checktokenmembership: Checks user token with CheckTokenMembership call
yara_rules: Static rules
Managed XDR