d40740578c0a7fd231a2bbfd4f08c1c1892b5fc54f75dd0aa28292a6f84df9b5

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	acb8e654fc73460f04ad20977b6932a8.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	acb8e654fc73460f04ad20977b6932a8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Power Scan = "\"C:\\Program Files (x86)\\Power Scan\\powerscan.exe\" /aid:0"	acb8e654fc73460f04ad20977b6932a8.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Power Scan\uninstall.exe	acb8e654fc73460f04ad20977b6932a8.exe
File created	C:\Program Files (x86)\ISTsvc\istsvc.exe	acb8e654fc73460f04ad20977b6932a8.exe
File opened for modification	C:\Program Files (x86)\ISTsvc\istsvc.exe	acb8e654fc73460f04ad20977b6932a8.exe
File created	C:\Program Files (x86)\ISTbar\istbar.dll	acb8e654fc73460f04ad20977b6932a8.exe
File created	C:\Program Files (x86)\Power Scan\powerscan.exe	acb8e654fc73460f04ad20977b6932a8.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\brxbvxv.exe	acb8e654fc73460f04ad20977b6932a8.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	acb8e654fc73460f04ad20977b6932a8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	acb8e654fc73460f04ad20977b6932a8.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\BandRest = "Never"	acb8e654fc73460f04ad20977b6932a8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\BandRest = "Never"	acb8e654fc73460f04ad20977b6932a8.exe

C:\Users\Admin\AppData\Local\Temp\acb8e654fc73460f04ad20977b6932a8.exe
"C:\Users\Admin\AppData\Local\Temp\acb8e654fc73460f04ad20977b6932a8.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Checks processor information in registry
- Modifies Internet Explorer settings
PID:2136

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2264,i,13734085038406049477,12426093271221802693,262144 --variations-seed-version /prefetch:8
1⤵
PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

4

System Information Discovery

4