Managed XDR

vtdl_1762345125_mzzqzv7n (DCRat) — malware analysis report

File info

Filename
vtdl_1762345125_mzzqzv7n
File type
PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
File size
784 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
a961c3da6493d58a8a218a7c2af5284ab2a4ad83
SHA256
2e9339d3b5d046a2c399e036b2f55362c2872b234492544d4c393711eb76e2ef
MD5
f74d786207e989ed6b9b7964d1945a7c

Malwares

  • DCRat

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1564.001 hides_original_file: Makes original executable file hidden
T1564.001 stealth_file: Creates hidden or system files
T1562 modify_uac_prompt: Attempts to modify UAC pop-up window behavior
T1562 disables_uac: Disable UAC
T1027.002 packer_polymorphic: Creates a modified copy of itself
T1036 system_filename: Created a file named as a common system file
T1497 debugs_self: Creates a process and debugs it
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

Discovery

T1497 debugs_self: Creates a process and debugs it
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name
T1135 server_share_info: Retrieves information about each shared resource on a server

Collection

T1115 checks_clipboard: Monitors clipboard data

Command and Control

T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
suspicious_process: Spawns a suspicious process
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
dotnet_suspicious_module_name: Dotnet program has suspicious module name
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
message_box: Displays a message
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk

Related reports

Managed XDR