Managed XDR

tss.zip — malware analysis report

File info

Filename
tss.zip
File type
Zip archive data, at least v2.0 to extract
File size
30.8 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
4981c9570ef1a129a09f4720b757f72fe453136d
SHA256
70f3734c68d3ed218cf83a8e267a54de13dd7c0f9964c1c06deeee48729e1d70
MD5
b025e9702a7dcf65174867826b242997

Signatures

Execution

T1059.003 suspicious_process: Spawns a suspicious process
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059 wscript_info_discovery: Collects info about system with Wscript.Shell
T1059.005 bad_vbs: Suspicious VBScript file
T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

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

T1036.001 invalid_authenticode: Digital signature of one or several attached files has failed to be verified
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1027.004 compiles_code: Compiles C# code
T1070 stealth_window: A process created a hidden window
T1027 obfuscated_vbs: Detected obfuscated VBS
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 wscript_info_discovery: Collects info about system with Wscript.Shell

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

static_pe_anomaly: The PE file structure contains anomalies
creates_exe: Creates executable files in the file system
network_powershell: Powershell process network connection detected
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
break_limit_exceeded: Warning: function calls limit has been exceeded
message_box: Displays a message
error_drawtext: An error occured while executing the file
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
yara_rules: Static rules
many_files_in_archive: The archive contains more than 5 files