Managed XDR

c-windows-installer-67e5a8.msi — malware analysis report

File info

Filename
c-windows-installer-67e5a8.msi
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, MSI Installer, Code page: 1252, Title: Installation Database, Subject: PDQConnectAgent, Author: PDQ.com, Keywords: Installer, Comments: This installer database contains the logic and data required to install PDQConnectAgent., Template: x64;1033, Revision Number: {7C5F9173-6A93-4FD3-880A-6F506E02742F}, Create Time/Date: Tue Aug 26 13:18:02 2025, Last Saved Time/Date: Tue Aug 26 13:18:02 2025, Number of Pages: 200, Number of Words: 2, Name of Creating Application: WiX Toolset (5.0.0.0), Security: 2
File size
4.9 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
4e48baa1ede05d7f8848bc29fb90b6070b4b48ff
SHA256
3030c7df31723d03a811f6b1640ba8164f2c3f75b0cca4135aaebacbc679d659
MD5
1532698e97b1e609645978be8fe277fe

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1569.002 persistence_service: Starts newly created service
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1543.003 creates_service: Creates a service, that will start automatically
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1543.003 creates_service: Creates a service, that will start automatically
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 unnamed_memory_regions: Code was executed in unnamed regions
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.004 compiles_code: Compiles C# code
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
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
T1070 stealth_window: A process created a hidden window
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1518 recon_programs: Collects information about installed programs
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

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

Other

creates_in_windows: Creates files in the Windows directory
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
executes_dropped_exe: Executes dropped exe files
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
msi_has_custom_action: MSI file contains custom action
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
yara_rules: Static rules
valid_authenticode: The digital signature has been verified