Managed XDR

vtdl_1757055925_fszr_8mn (Tinba) — malware analysis report

File info

Filename
vtdl_1757055925_fszr_8mn
File type
Zip archive data, at least v2.0 to extract
File size
3 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
125dcd3a4566008cd2499a70d09317a603432a1b
SHA256
dff1a0f578d70b6af073f2573b96a28c203dfb37a24b6d6d872423d44d79566a
MD5
1f72071a6a1602ac5eeb037d8fc3570d

Malwares

  • Tinba

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1547.001 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_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

T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Discovery

T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 pidbruteforce: Enumerates processes using PID Bruteforce
T1057 process_interest: Enumerates processes
T1135 server_share_info: Retrieves information about each shared resource on a server

Command and Control

T1568.002 dga_domains: Connects to DGA domains
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
hides_autorun_taskmanager: Hides application autorun record from Task Manager
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
executes_dropped_exe: Executes dropped exe files
only_exec_in_archive: The archive contains only an executable file
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object
suspicious_network_port: Performs TCP or UDP request to non-standard port
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process
suricata_alert: Malicious traffic detected

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