Managed XDR

dental-ct-scanpdf.zip — malware analysis report

File info

Filename
dental-ct-scanpdf.zip
File type
Zip archive data, at least v2.0 to extract
File size
4.3 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
5e9d2623f5b098f2545f7c742b34166264a75f32
SHA256
d18ebb4ee3997f0908d375e280ff751ca5b5f6052ce1b2add99c83bcf03cb6fc
MD5
96ca11a5f5affad3768d9469434737f3

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious PowerShell process
T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1569.002 persistence_service: Starts newly created service
T1059.001 suspicious_process: Spawns a suspicious process

Persistence

T1543.003 creates_service: Creates a service, that will start automatically
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1543.003 creates_service: Creates a service, that will start automatically
T1055.012 injection_runpe: Injects code into another process
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

T1055.012 injection_runpe: Injects code into another process
T1562.001 disables_security: Disables Windows Security options
T1112 creates_largekey: Saves very large data in the registry, can be used to save the configuration or body of the malware
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1027.004 compiles_code: Compiles C# code
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
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
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Credential Access

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

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1057 process_interest: Enumerates processes
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl

Impact

T1489 stops_service: Stops Windows services

Other

network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
only_exec_in_archive: The archive contains only an executable file
unsigned_driver_drop: Sample is not signed and drops a device driver
driver_load: Loads a driver
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
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
pe_overlay: PE file contains overlay
yara_rules: Static rules