22e4f72c966d77d30c53ee44964d584aefc4d7247ab5403d558ab24791bda4b8

General

Target

CCleaner64.exe
Size

17.5MB
MD5

c7bab4fb92edd4ec40f20c0951168360
SHA1

dcb42f8964e93e13a2d2d05fb2d229bf9e48f4f2
SHA256

ef9139178ada1bcb0813c319acc2489f507b6048d93a182feccb05fba11b9ece
SHA512

ebfb65122f2433b6a49e56074957361d6023b4eae650f5db321f34a0e74090d1a52d72b5b901712a9d9d7fd7a96a88ebf905c79fd3108d4b327f7054646ade7a
SSDEEP

98304:hFbG5jIqxuVHEAINRFAl/Bf5S9g8peGVErqN0EV+RzI6ES2InIgIkSVftdH3cHvv:LsjIKuVdIn+rf50lpErqNJD2GLA9J

Score

7^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

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
T1552.001

Checks for any installed AV software in registry 1 TTPs 6 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\SOFTWARE\Avira\AntiVirus	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Software\Avast Software\Avast	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Software\Wow6432Node\Avast Software\Avast	CCleaner64.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Avast Software\Avast	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Avira\AntiVir Desktop	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Avira\AntiVir Desktop	CCleaner64.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

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	CCleaner64.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 6 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	CCleaner64.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	CCleaner64.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	CCleaner64.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	CCleaner64.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main	CCleaner64.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	CCleaner64.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	CCleaner64.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2460	CCleaner64.exe
2460	CCleaner64.exe
2460	CCleaner64.exe
2460	CCleaner64.exe
2460	CCleaner64.exe
2460	CCleaner64.exe
2460	CCleaner64.exe
2460	CCleaner64.exe
2460	CCleaner64.exe
2460	CCleaner64.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2460	CCleaner64.exe
2460	CCleaner64.exe
2460	CCleaner64.exe
2460	CCleaner64.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\CCleaner64.exe
"C:\Users\Admin\AppData\Local\Temp\CCleaner64.exe"
1⤵
- Checks for any installed AV software in registry
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Modifies Internet Explorer settings
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

3

T1012

Software Discovery

1

T1518

Security Software Discovery

1

T1518.001

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2460-0-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2460-1-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2460-3-0x0000000001EC0000-0x0000000001EC1000-memory.dmp

Filesize
4KB

Download
memory/2460-2-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

Filesize
4KB

Download
memory/2460-4-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

Filesize
4KB

Download
memory/2460-5-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

Filesize
4KB

Download
memory/2460-6-0x0000000001EF0000-0x0000000001EF1000-memory.dmp

Filesize
4KB

Download
memory/2460-8-0x0000000001F90000-0x0000000001F91000-memory.dmp

Filesize
4KB

Download
memory/2460-7-0x0000000001F00000-0x0000000001F01000-memory.dmp

Filesize
4KB

Download
memory/2460-45-0x0000000001F90000-0x0000000001F91000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads