Managed XDR

vtdl_49havlu1 — malware analysis report

File info

Filename
vtdl_49havlu1
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
851 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3e5f307ef8881a82ba6190522342aa016dc995a7
SHA256
cf19f3ab8fde5d46e0e87b831ca7eb25da6859292387bc8d4d681b4fbaf0fcd6
MD5
7c00c30c21ffbd414e3a71d648bd679f

Signatures

Initial Access

T1091 spreading_autoruninf: Creates an autorun.inf file

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

T1183 persistence_autorun: Makes itself run automatically on Windows startup
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

T1183 persistence_autorun: Makes itself run automatically on Windows startup
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

T1183 persistence_autorun: Makes itself run automatically on Windows startup
T1112 disable_folder_options: Attempt to disable or modify Explorer Folder Options
T1564.001 stealth_file: Creates hidden or system files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1112 locker_regedit: Disables Windows Registry Editor
T1112 stealth_hidden_extension: Attempts to change system settings so that file extensions won't be displayed
T1112 stealth_hiddenreg: Attempts to change Explorer settings so that hidden files won't be displayed
T1574.011 persistence_services: Modifies Services registry key
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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
T1497.003 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
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1135 server_share_info: Retrieves information about each shared resource on a server

Lateral Movement

T1091 spreading_autoruninf: Creates an autorun.inf file

Command and Control

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

Impact

T1490 disables_system_restore: Disables System Restore

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
locker_taskmgr: Disables Windows Task Manager
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
create_process_failed: Could not start the process
disable_run_command: Attempts to disable or modify the Run commandfrom the Start menu and the New Task (Run) command from Task Manager
copies_self: Creates a copy of itself
dead_link: Attempts to run a file from a dead or blocked URL
http_file_not_found: Attempts to download EXE or DLL file but receives HTML with an error
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
pe_overlay: PE file contains overlay