Managed XDR

c-windows-apppatch-svchost.exe (DNS Sinkhole) — malware analysis report

File info

Filename
c-windows-apppatch-svchost.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
205.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
67798cb650a2e1862a1a6f7ba28e1f644b442f50
SHA256
bd114a62272f786c4891dded591b81d4487b4ae417cd82d420000611754ddd3e
MD5
7faa2449e899ecf936109ebb0af3a581

Malwares

  • DNS Sinkhole

Signatures

Persistence

T1547.004 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1068 av_exploit: Attempts to exploit a vulnerability in third-party applications
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

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
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
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1480 system_default_lang_id_present: Checks the system language
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
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

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

Discovery

T1518.001 antiav_detectfile: Attempts to detect installed antiviruses by a certain directory
T1057 pidbruteforce: Enumerates processes using PID Bruteforce
T1057 process_interest: Enumerates processes
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1016 get_hostname: Attempts to get hostname
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
T1497.001 antivm_queries_computername: Retrieves the computer name
T1012 infostealer_typedurls: Collects information about the URLs typed in the browser

Collection

T1113 screenshot_file: Possibly, makes a screenshot and saves it to a file

Command and Control

T1568.002 dga_domains: Connects to DGA domains
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

suricata_alert: Malicious traffic detected
yara_rules: Static rules
network_bind: Starts servers listening at 0.0.0.0:28758
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
dead_host: Connects to IP addresses that do not respond to requests
suspicious_process: Spawns a suspicious process
unnamed_region_exception_handler: Creates an exception handler in an unnamed region
create_rpc_bindings: Creates RPC connection
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
open_winlogon_process: Trying to open winlogon process

Related reports

Managed XDR