Managed XDR

c-windows-installer-73af6a.msi — malware analysis report

File info

Filename
c-windows-installer-73af6a.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: {75096DA9-3C36-4522-A621-C90255FCDD43}, Create Time/Date: Thu Feb 27 22:15:00 2025, Last Saved Time/Date: Thu Feb 27 22:15:00 2025, Number of Pages: 200, Number of Words: 2, Name of Creating Application: WiX Toolset (5.0.0.0), Security: 2
File size
4.8 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
c47b05fe2b65888b591192833de9c5e4602bc38d
SHA256
65e4128c78baac9814fc9b8a9768d4c7a83f753515cde86c20892cf7cd70c8ac
MD5
86651d18f7015a3f492ed6740e64e02a

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
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1070 stealth_window: A process created a hidden window

Discovery

T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1007 has_wmi: Executes one or several WMI requests
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1518 recon_programs: Collects information about installed programs

Other

pe_in_bcryptdecrypt: PE found in BCryptDecrypt function
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