Managed XDR

c-windows-sfzrv.exe — malware analysis report

File info

Filename
c-windows-sfzrv.exe
File type
PE32+ executable (console) x86-64 (stripped to external PDB), for MS Windows
File size
4.5 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
5c70f661ba9f1d2d7976253247ffbdab1a589efd
SHA256
b6783bfb6fe511a229628547da4a6352f74e13f5ea1eaf764e3c404de9b427a9
MD5
571bc1459e1bf23f4d69a6fe41b6e463

Signatures

Privilege Escalation

T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1027.002 packer_polymorphic: Creates a modified copy of itself
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
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

T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Collection

T1074.001 access_recyclebin: Manipulation with recyclebin detected

Command and Control

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

Other

creates_exe: Creates executable files in the file system
network_bind: Starts servers listening at None
creates_doc: Creates (office) documents in the file system
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