Managed XDR

vtdl_k4zv_rht — malware analysis report

File info

Filename
vtdl_k4zv_rht
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
21.6 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c1c009f84d07d49934c6957c7245b5f151a7b215
SHA256
58a57a178606d6c1cd7315584ff74366c8f1e6f35bed17e38c8e8d07eaa3b0b5
MD5
8cf5b5d17fab0b53ddc58c433eddb193

Signatures

Execution

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1059.003 executes_dropped_cmd: Executes dropped batch files

Persistence

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

Discovery

T1082 fingerprint_to_file: Collects data about system and user and writes it to a text file
T1135 server_share_info: Retrieves information about each shared resource on a server

Command and Control

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

Other

creates_exe: Creates executable files in the file system
codepage: Checks the system code page
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
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
suricata_alert: Malicious traffic detected