General
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Target
https://wdl1.pcfg.cache.wpscdn.com/wpsdl/wpsoffice/onlinesetup/distsrc/200.1095/wpsinst/wps_office_inst.exe
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Sample
240523-zp6z8sgb34
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
win10v2004-20240426-en
Malware Config
Targets
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Target
https://wdl1.pcfg.cache.wpscdn.com/wpsdl/wpsoffice/onlinesetup/distsrc/200.1095/wpsinst/wps_office_inst.exe
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Modifies boot configuration data using bcdedit
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Blocklisted process makes network request
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Registers COM server for autorun
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1