d4c48762f128436fed18b9c714e55bf7360802127efb233ad31ec4b0f7f649b1

Analysis

max time kernel
114s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
22/05/2022, 05:39

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General

Target

PCclear_Eng_mini.exe
Size

32KB
MD5

b41541e6a56a4b091855938cefc8b0f0
SHA1

8006b2728d05eab4c5d6dc0bb3b115ddc1e2eaa7
SHA256

d4c48762f128436fed18b9c714e55bf7360802127efb233ad31ec4b0f7f649b1
SHA512

a3c2b5dddbb5b8ded63e04672610287458b4bed6ea054e45804e612a2896d92412ef632c621a49b445412d8998a5edc914b055502e22fcfe0e178e5098b64828

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{2D97CC0F-9ECF-46D7-8303-DB546948F366}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{BBFA1243-803E-48ED-B33B-9B3025EAD8CC}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\ActiveX Compatibility\{625F76EE-DE78-428A-8B2D-96F06F3707A5}	PCclear_Eng_mini.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\ActiveX Compatibility\{625F76EE-DE78-428A-8B2D-96F06F3707A5}\Compatibility Flags = "1024"	PCclear_Eng_mini.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4120	PCclear_Eng_mini.exe
4120	PCclear_Eng_mini.exe

C:\Users\Admin\AppData\Local\Temp\PCclear_Eng_mini.exe
"C:\Users\Admin\AppData\Local\Temp\PCclear_Eng_mini.exe"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4120

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4184

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads