Managed XDR

host.msi — malware analysis report

File info

Filename
host.msi
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Number of Characters: 0, Last Saved By: InstallShield, Number of Words: 0, Title: Remote Utilities - Host 7.0 installation package, Comments: This installer contains the logic and data to install Remote Utilities - Host 7.0, Keywords: Installer,MSI,Database, Subject: Remote Utilities - Host 7.0, Author: Remote Utilities LLC, Security: 1, Number of Pages: 200, Name of Creating Application: InstallShieldi 2019 - Premier Edition with Virtualization Pack 25, Last Saved Time/Date: Wed Apr 28 20:32:50 2021, Create Time/Date: Wed Apr 28 20:32:50 2021, Last Printed: Wed Apr 28 20:32:50 2021, Revision Number: {18A111BF-CCBC-4844-8DEC-B0E2B0D4E7F1}, Code page: 1252, Template: Intel;1033
File size
20.9 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
637649e4aeb2793e20173d50ba68ea64f955536e
SHA256
1e51a564706af45a84bcca943045b193913b61ae2813ba4e58a7c70441ecc95d
MD5
c88716d0215404cb673e1d503b05fac9

Signatures

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

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

T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
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

Credential Access

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

Discovery

T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Command and Control

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

Other

yara_rules: Static rules
network_bind: Starts servers listening at None
suspicious_process_network: Unusual process network activity detected
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
writes_data: Writes big amount of data to disk