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
16.2 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
d5996458d35fa68f4a44bece92444050949bd5b7
SHA256
07f9d9a000b6ff61597017898b83daa52086f47a4ce07d71aaefa1431495fcda
MD5
4541c9db4d9985e6d337f1f2e5fc0671

Signatures

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

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
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 debugs_self: Creates a process and debugs it
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

Discovery

T1497 debugs_self: Creates a process and debugs it

Collection

T1115 checks_clipboard: Monitors clipboard data

Impact

T1486 mass_data_encryption: Encrypts data using the same key (possible ransomware behaviour)

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
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
break_limit_exceeded: Warning: function calls limit has been exceeded
error_drawtext: An error occured while executing the file
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