Managed XDR

fw-upit.msg — malware analysis report

File info

Filename
fw-upit.msg
File type
Composite Document File V2 Document, No summary info
File size
308 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
846451f76c0a037ef9f1adf92e80f0ddd8d02f55
SHA256
5b75b948d60845d2b9e05f209f9b51541420f830790d1dfa3f73a35638b37f84
MD5
b1e7a5146c0bbf11c810987f44c41557

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious PowerShell process
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.001 suspicious_process: Spawns a suspicious process
T1059 wscript_info_discovery: Collects info about system with Wscript.Shell

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1070 stealth_window: A process created a hidden window
T1562.001 amsi_patching_attempt: Attempts to patch Microsoft AMSI protection (amsi.dll)
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1082 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1033 wscript_info_discovery: Collects info about system with Wscript.Shell
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1082 wscript_info_discovery: Collects info about system with Wscript.Shell

Command and Control

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

Other

copies_self: Creates a copy of itself
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
network_powershell: PowerShell process network connection detected
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services