Managed XDR

vtdl_1738475428_f88ymgbq (Tinba) — malware analysis report

File info

Filename
vtdl_1738475428_f88ymgbq
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
4.4 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
56f3e9e9c4bf17cb91f973cc9fb963a04ad9a044
SHA256
6d6abdf54d13a171c162f24d3c905fab684a7993a47c671262333a9a92e7d085
MD5
e04597f6070311d76a3773999ea68faf

Malwares

  • Tinba

Signatures

Execution

T1569.002 persistence_service: Starts newly created service
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1543.003 creates_service: Creates a service, that will start automatically
T1543.003 persistence_services: Modifies Services registry key
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1574.011 persistence_services: Modifies Services registry key

Privilege Escalation

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another process
T1543.003 creates_service: Creates a service, that will start automatically
T1543.003 persistence_services: Modifies Services registry key
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1574.011 persistence_services: Modifies Services registry key
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another process
T1564.001 stealth_file: Creates hidden or system files
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1574.011 persistence_services: Modifies Services registry key
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1480 system_default_lang_id_present: Checks the system language
T1070 stealth_window: A process created a hidden window

Credential Access

T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)
T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1518 locates_browser: Attempts to identify where browsers are installed
T1016 system_network_configuration_discovery: System network configuration discovery detected
T1016.001 system_network_configuration_discovery: System network configuration discovery detected
T1082 reads_csrss: Attempts to read csrss.exe memory
T1082 fingerprint_to_file: Collects data about system and user and writes it to a text file
T1082 recon_systeminfo: Collects system information (ipconfig, netstat, systeminfo, net)
T1135 server_share_info: Retrieves information about each shared resource on a server

Command and Control

T1095 network_icmp: Creates ICMP traffic

Impact

T1489 change_service_config: Stops services via ChangeServiceConfig
T1489 net_stop: Stops services through the use of net stop

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
creates_in_windows: Creates files in the Windows directory
creates_exe: Creates executable files in the file system
unsigned_driver_drop: Sample is not signed and drops a device driver
driver_load: Loads a driver
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
access_recyclebin: Manipulation with recyclebin detected
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process

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