privateloader | 85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45

Virtualization/Sandbox Evasion

T1497

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exexVdjXK8MoaN5JQQJANNlRndA.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	xVdjXK8MoaN5JQQJANNlRndA.exe

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

xVdjXK8MoaN5JQQJANNlRndA.exe

pid process

1276 xVdjXK8MoaN5JQQJANNlRndA.exe

pid	process
1276	xVdjXK8MoaN5JQQJANNlRndA.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

Processes:

xVdjXK8MoaN5JQQJANNlRndA.exe85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	xVdjXK8MoaN5JQQJANNlRndA.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	xVdjXK8MoaN5JQQJANNlRndA.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

Processes:

xVdjXK8MoaN5JQQJANNlRndA.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Control Panel\International\Geo\Nation	xVdjXK8MoaN5JQQJANNlRndA.exe

Loads dropped DLL 1 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

pid process

1980 85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exexVdjXK8MoaN5JQQJANNlRndA.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	xVdjXK8MoaN5JQQJANNlRndA.exe

Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

17 ipinfo.io
18 ipinfo.io
25 ipinfo.io
26 ipinfo.io

flow	ioc
17	ipinfo.io
18	ipinfo.io
25	ipinfo.io
26	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

xVdjXK8MoaN5JQQJANNlRndA.exe

description	ioc	process
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	xVdjXK8MoaN5JQQJANNlRndA.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	xVdjXK8MoaN5JQQJANNlRndA.exe
File opened for modification	C:\Windows\System32\GroupPolicy	xVdjXK8MoaN5JQQJANNlRndA.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	xVdjXK8MoaN5JQQJANNlRndA.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exexVdjXK8MoaN5JQQJANNlRndA.exe

pid process

1980 85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
1276 xVdjXK8MoaN5JQQJANNlRndA.exe

Drops file in Program Files directory 2 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

description	ioc	process
File created	C:\Program Files (x86)\PowerControl\PowerControl_Svc.exe	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
File opened for modification	C:\Program Files (x86)\PowerControl\PowerControl_Svc.exe	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

300 schtasks.exe
1560 schtasks.exe

pid	process
300	schtasks.exe
1560	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exexVdjXK8MoaN5JQQJANNlRndA.exe

pid	process
1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
1276	xVdjXK8MoaN5JQQJANNlRndA.exe
1276	xVdjXK8MoaN5JQQJANNlRndA.exe
1276	xVdjXK8MoaN5JQQJANNlRndA.exe
1276	xVdjXK8MoaN5JQQJANNlRndA.exe
1276	xVdjXK8MoaN5JQQJANNlRndA.exe
1276	xVdjXK8MoaN5JQQJANNlRndA.exe
1276	xVdjXK8MoaN5JQQJANNlRndA.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe

description	pid	process	target process
PID 1980 wrote to memory of 1276	1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	xVdjXK8MoaN5JQQJANNlRndA.exe
PID 1980 wrote to memory of 1276	1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	xVdjXK8MoaN5JQQJANNlRndA.exe
PID 1980 wrote to memory of 1276	1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	xVdjXK8MoaN5JQQJANNlRndA.exe
PID 1980 wrote to memory of 1276	1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	xVdjXK8MoaN5JQQJANNlRndA.exe
PID 1980 wrote to memory of 300	1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe
PID 1980 wrote to memory of 300	1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe
PID 1980 wrote to memory of 300	1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe
PID 1980 wrote to memory of 300	1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe
PID 1980 wrote to memory of 1560	1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe
PID 1980 wrote to memory of 1560	1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe
PID 1980 wrote to memory of 1560	1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe
PID 1980 wrote to memory of 1560	1980	85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe
"C:\Users\Admin\AppData\Local\Temp\85b73b7b3c9acc6648beb77ce878ebeea26a2a949bf17c3184f2bd4544d12b45.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1980

C:\Users\Admin\Documents\xVdjXK8MoaN5JQQJANNlRndA.exe
"C:\Users\Admin\Documents\xVdjXK8MoaN5JQQJANNlRndA.exe"
2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1276

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\Program Files (x86)\PowerControl\PowerControl_Svc.exe" /tn "PowerControl HR" /sc HOURLY /rl HIGHEST
2⤵
- Creates scheduled task(s)
PID:300

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\Program Files (x86)\PowerControl\PowerControl_Svc.exe" /tn "PowerControl LG" /sc ONLOGON /rl HIGHEST
2⤵
- Creates scheduled task(s)
PID:1560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

3

Virtualization/Sandbox Evasion

T1497

System Information Discovery

4

Lateral Movement

Collection

Data from Local System