General
- Target https://wdl1.pcfg.cache.wpscdn.com/wpsdl/wpsoffice/onlinesetup/distsrc/200.1095/wpsinst/wps_office_inst.exe
- Sample261012-j4mbdattfw
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://wdl1.pcfg.cache.wpscdn.com/wpsdl/wpsoffice/onlinesetup/distsrc/200.1095/wpsinst/wps_office_inst.exe
Resource
win10v2004-20260911-en
Malware Config
Targets
-
- Target https://wdl1.pcfg.cache.wpscdn.com/wpsdl/wpsoffice/onlinesetup/distsrc/200.1095/wpsinst/wps_office_inst.exe
-
Family: PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
-
Downloads MZ/PE file
-
Executes dropped EXE
-
Writes a Windows system DLL name to a user directory
A module named after a system DLL outside System32 can be loaded instead of the real one by a program searching that directory.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
MITRE ATT&CK Enterprise v16
Persistence
Hijack Execution Flow
1DLL Search Order Hijacking
1Pre-OS Boot
1Bootkit
1Defense Evasion
Hijack Execution Flow
1DLL Search Order Hijacking
1Masquerading
1Match Legitimate Name or Location
1Modify Registry
1Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1