Managed XDR

c-users-user-appdata-local-ycabi.exe — malware analysis report

File info

Filename
c-users-user-appdata-local-ycabi.exe
File type
PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows
File size
309.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
4221878499600f6f70cef811bf4c14c9c935fbfa
SHA256
d26122b1f67393536fde093aa7a27c334ff3c6b83105b18e739cc101cedd6eeb
MD5
37a9ab06ab8b63c62133240849a83bde

Signatures

Execution

T1059.003 cmd_ping_del: Uses cmd.exe for pausing and deletion of the original file
T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

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

T1070.004 deletes_self: Moves to different location or removes the original executable file
T1070.004 cmd_ping_del: Uses cmd.exe for pausing and deletion of the original file
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497.001 antivm_queries_computername: Retrieves the computer name
T1480 system_default_lang_id_present: Checks the system language
T1070 stealth_window: A process created a hidden window
T1070.004 self_removal_command: Executes command to delete itself

Credential Access

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Discovery

T1057 process_interest: Enumerates processes
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1135 server_share_info: Retrieves information about each shared resource on a server
T1497.001 antivm_queries_computername: Retrieves the computer name
T1016.001 system_network_configuration_discovery: System network configuration discovery detected
T1082 reads_csrss: Attempts to read csrss.exe memory

Command and Control

T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl

Impact

T1486 ransomware_windows_possible: Ransomware indicators detected (possible ransom window creation)

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
static_pe_anomaly: The PE file structure contains anomalies
dead_host: Connects to IP addresses that do not respond to requests
create_rpc_bindings: Creates RPC connection
message_box: Displays a message
error_drawtext: An error occured while executing the file
get_policy_info: Retrieves information about a Policy object