Managed XDR

screenconnect.clientsetup.exe — malware analysis report

File info

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

Environment

w10/x64 en

Hashes

SHA1
f7a55bc60eff2b9b7c2956a6edb8b7dce97025f7
SHA256
acdc6d1e95d4ab177a9d3fb841343f018ebc0817ee76bc94a37da1882745000c
MD5
280dd7d9728bd80070fd2cda1ca50b9e

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

T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

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
T1087.001 local_account_discovery: Enumerates local accounts
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
T1049 list_ts_rdp_sessions: Lists ts/rdp sessions

Other

yara_rules: Static rules
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
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
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
ce_info: ScreenConnect Configuration Data found
Managed XDR