Managed XDR

screenconnect.clientsetup-strose.exe — malware analysis report

File info

Filename
screenconnect.clientsetup-strose.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
14.1 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
53e4244a94c42268b82b8aea0e540c0ee0d085b5
SHA256
e3e283db6036d694a3a43576beea440cb19b1f8d1fff15bef8c385211a9c7f90
MD5
b69a1771d0f64c7174b86ab58473cdec

Signatures

Execution

T1569.002 persistence_service: Starts newly created service

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 packer_entropy: Probably contains compressed or encrypted data
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
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

Credential Access

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

Discovery

T1033 sam_users_discovery: Enumerates users or groups in system with SAM API
T1049 list_ts_rdp_sessions: Lists ts/rdp sessions
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
T1087.001 local_account_discovery: Enumerates local accounts

Command and Control

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

Other

yara_rules: Static rules
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
dead_host: Connects to IP addresses that do not respond to requests
modifies_certs: Attempts to generate or modify system certificates
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
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
ce_info: ScreenConnect Configuration Data found
valid_authenticode: The digital signature has been verified