Managed XDR

c-users-user-desktop-system3_.exe — malware analysis report

File info

Filename
c-users-user-desktop-system3_.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
728 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3fbd5e07490190d1d21d4e3dfc1b4edd77330fca
SHA256
805517a7b20816bf70ae156adedcb850a3fbd03bd042437564f8ae4260d8e068
MD5
e4275071ced591f5b87498d79868b8e7

Signatures

Execution

T1053.002 lolbin_at: Uses At.exe to create a recurring task
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059 autoit: AutoIt script execution detected

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
T1053.002 lolbin_at: Uses At.exe to create a recurring task
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1547.009 suspicious_desktop_ini: Creates desktop.ini file with suspicious content

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
T1053.002 lolbin_at: Uses At.exe to create a recurring task
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1547.009 suspicious_desktop_ini: Creates desktop.ini file with suspicious content

Defense Evasion

T1564.001 stealth_file: Creates hidden or system files
T1574.011 persistence_services: Modifies Services registry key
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Credential Access

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

Discovery

T1057 process_interest: Enumerates processes
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1135 server_share_info: Retrieves information about each shared resource on a server

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
dns_without_resolve: DNS query without a response
browser_startpage: Changes Internet Explorer homepage
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
creates_exe: Creates executable files in the file system
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call