Managed XDR

steamweb64.zip — malware analysis report

File info

Filename
steamweb64.zip
File type
Zip archive data, at least v2.0 to extract
File size
12.8 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
999bfb857970be9db639e079baa72fe7b819d5d7
SHA256
401386f7c3b7f02c09098863ca523f9f5a0946141d395bd899953486a2cb648a
MD5
3949f385b52eeeb2f04b6f7341e86ada

Signatures

Execution

T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL
T1059.006 drops_python_dll: Drops python dll

Persistence

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

Privilege Escalation

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Defense Evasion

T1218 suspicious_cmdline: Executes a suspicious command
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1480 system_default_lang_id_present: Checks the system language
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1552.002 infostealer_steam: Attempts to collect information about Steam account
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1135 server_share_info: Retrieves information about each shared resource on a server

Other

network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
only_exec_in_archive: The archive contains only an executable file
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
writes_data: Writes big amount of data to disk