Managed XDR

c-windows-rf49ny2.exe — malware analysis report

File info

Filename
c-windows-rf49ny2.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
1.4 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
4641ae222009a686008633c0b04da82098c75bd4
SHA256
e8046c6d11692f45104605959b0ec843c6c94df195903836155c19002af27c64
MD5
4dabca661021e4eac538c06d13d3e75c

Signatures

Execution

T1059 autoit: AutoIt script execution detected

Persistence

T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
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

T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
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

Credential Access

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

Discovery

T1057 process_interest: Enumerates processes
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Impact

T1485 deletes_files: Removes 100 or more files from C: drive

Other

creates_exe: Creates executable files in the file system
static_pe_anomaly: The PE file structure contains anomalies
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
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
executes_dropped_exe: Executes dropped exe files
yara_rules: Static rules
Managed XDR