c2b88b7c0e3a630f69c35d3d476a01c38f83fca3efbba10e55188e0264ff56d6

Analysis

max time kernel
68s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
20-05-2023 16:53

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General

Target

CCleaner.Technician.6.12.10490.Portable/App/CCleaner/CCleaner.exe
Size

32.7MB
MD5

79c9b293cfcf00a925b9c2de29551788
SHA1

d9df445c7abb906ef54638865f3faabf2b054b38
SHA256

8be625c9d9b17ec6529957221ef1ee951803fae647cf74c46382723b46fb626b
SHA512

bfba25f62c480a21ae85911634cdd3c9f17a976bfcaed1130a5c253aa20a4b1612475c5ebb02b23978938979a7b3d393cb0e94592b81e192d1fcbedeead5deef
SSDEEP

393216:I0OM+LR8MO0cz36nEy9larq8x2rxrxPCgQ/P9cND0oDtg8XrqNuIpfkl9hSkAePy:78LRFOr3hrD2rtZYHGVFIpg9PgKU

Score

6^/10

bootkit persistence

Malware Config

Signatures

Checks for any installed AV software in registry 1 TTPs 11 IoCs

Security Software Discovery

T1063

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira\AntiVir Desktop	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Software\AVAST Software\Avast	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Avira\AntiVir Desktop	CCleaner64.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Avira\AntiVirus	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Avira\Speedup	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira\Speedup	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\MACHINE\Software\WOW6432Node\Avira\Antivirus	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Software\WOW6432Node\Avast Software\Avast	CCleaner64.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Avast Software\Avast	CCleaner64.exe

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

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	CCleaner64.exe

Loads dropped DLL 1 IoCs

pid	Process
3096	CCleaner64.exe

Checks processor information in registry 2 TTPs 10 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	CCleaner64.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	CCleaner64.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	CCleaner64.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor	CCleaner64.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	CCleaner64.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3096	CCleaner64.exe

Suspicious behavior: EnumeratesProcesses 40 IoCs

pid	Process
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe
3096	CCleaner64.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3096	CCleaner64.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3096	CCleaner64.exe
Token: SeShutdownPrivilege	3096	CCleaner64.exe
Token: SeCreatePagefilePrivilege	3096	CCleaner64.exe
Token: SeShutdownPrivilege	3096	CCleaner64.exe
Token: SeCreatePagefilePrivilege	3096	CCleaner64.exe
Token: SeShutdownPrivilege	3096	CCleaner64.exe
Token: SeCreatePagefilePrivilege	3096	CCleaner64.exe
Token: SeShutdownPrivilege	3096	CCleaner64.exe
Token: SeCreatePagefilePrivilege	3096	CCleaner64.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3096	CCleaner64.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3096	CCleaner64.exe
3096	CCleaner64.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 3096	464	CCleaner.exe	85
PID 464 wrote to memory of 3096	464	CCleaner.exe	85

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\CCleaner.Technician.6.12.10490.Portable\App\CCleaner\CCleaner.exe
"C:\Users\Admin\AppData\Local\Temp\CCleaner.Technician.6.12.10490.Portable\App\CCleaner\CCleaner.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:464
- C:\Users\Admin\AppData\Local\Temp\CCleaner.Technician.6.12.10490.Portable\App\CCleaner\CCleaner64.exe
  "C:\Users\Admin\AppData\Local\Temp\CCleaner.Technician.6.12.10490.Portable\App\CCleaner\CCleaner.exe"
  2⤵
  - Checks for any installed AV software in registry
  - Writes to the Master Boot Record (MBR)
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  PID:3096

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Security Software Discovery

T1063

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\WebCache\V01.log

Filesize
512KB

MD5
142bfbd3d27c28c128faa05ff0794f38

SHA1
11ad155dc565c24df344209220e535df30f04e7b

SHA256
27df224a20cc374f68ae4f3c2b992eb19382965d2f9ee6af79f0b231a0302026

SHA512
fa36812e9a4ef7188d953ea598ce77631a068008da0d61516e9777e52f43a0ca6f40705ff4d05c35914290d6a8dcf20b0a42e26379ec5c6d748e7af3936b8f01

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\WebCache\WebCacheV01.dat

Filesize
14.0MB

MD5
f88f5bc0be5e959feb95a6bafea8b5eb

SHA1
0c31075d1214f7000eb2ff0e77030cd390f84ba9

SHA256
4e8e839ac6806b2a89a81816546d4730ecc300176f6c067e3c508e9908b237a3

SHA512
b2fc883d8e7142781b3d0735640c601242389ffc47bf49ad7752a45c4e2eb7912de55bcc06dd5c3f9f1c6b28b703f7a63fa62fefdb2a111275a51c4c901c09d3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\WebCache\WebCacheV01.jfm

Filesize
16KB

MD5
9167d3580b64618e1901c07eeac703c5

SHA1
b2fe8043c7d685b3c7fa48713e638354ff21b1f3

SHA256
f44b3e89d41a4c829ab6bd3b16c6e3d2da28c12110a3a0bb02176dd08fdd95db

SHA512
def2aedd00c6bc32cd6813a9a254ba29eb23f9798a61c0c984795a06073012aa64f910f562ddbb36dac77cdb14e92ebc20ba1cfcc32e28b03f05b9ee444d1988

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCleaner.Technician.6.12.10490.Portable\App\CCleaner\gcapi_16846019433096.dll

Filesize
740KB

MD5
f17f96322f8741fe86699963a1812897

SHA1
a8433cab1deb9c128c745057a809b42110001f55

SHA256
8b6ce3a640e2d6f36b0001be2a1abb765ae51e62c314a15911e75138cbb544bb

SHA512
f10586f650a5d602287e6e7aeeaf688b275f0606e20551a70ea616999579acdf7ea2f10cebcfaa817dae4a2fc9076e7fa5b74d9c4b38878fbf590ffe0e7d81c9

Download Submit
memory/3096-175-0x00000251C62E0000-0x00000251C62E8000-memory.dmp

Filesize
32KB

Download
memory/3096-176-0x00000251C62D0000-0x00000251C62D1000-memory.dmp

Filesize
4KB

Download
memory/3096-139-0x00007FFED6220000-0x00007FFED6221000-memory.dmp

Filesize
4KB

Download
memory/3096-140-0x00007FFED4790000-0x00007FFED4791000-memory.dmp

Filesize
4KB

Download
memory/3096-137-0x00007FFED6210000-0x00007FFED6211000-memory.dmp

Filesize
4KB

Download
memory/3096-149-0x00000251BDD60000-0x00000251BDD70000-memory.dmp

Filesize
64KB

Download
memory/3096-155-0x00000251BDDC0000-0x00000251BDDD0000-memory.dmp

Filesize
64KB

Download
memory/3096-173-0x00000251C6400000-0x00000251C6408000-memory.dmp

Filesize
32KB

Download
memory/3096-133-0x00007FFED61E0000-0x00007FFED61E1000-memory.dmp

Filesize
4KB

Download
memory/3096-138-0x00007FFED6280000-0x00007FFED6281000-memory.dmp

Filesize
4KB

Download
memory/3096-178-0x00000251C62E0000-0x00000251C62E8000-memory.dmp

Filesize
32KB

Download
memory/3096-181-0x00000251C62D0000-0x00000251C62D8000-memory.dmp

Filesize
32KB

Download
memory/3096-184-0x00000251C6290000-0x00000251C6291000-memory.dmp

Filesize
4KB

Download
memory/3096-136-0x00007FFED6250000-0x00007FFED6251000-memory.dmp

Filesize
4KB

Download
memory/3096-196-0x00000251C6380000-0x00000251C6388000-memory.dmp

Filesize
32KB

Download
memory/3096-198-0x00000251C63C0000-0x00000251C63C8000-memory.dmp

Filesize
32KB

Download
memory/3096-201-0x00000251C62D0000-0x00000251C62D1000-memory.dmp

Filesize
4KB

Download
memory/3096-205-0x00000251C6290000-0x00000251C6291000-memory.dmp

Filesize
4KB

Download
memory/3096-135-0x00007FFED6200000-0x00007FFED6201000-memory.dmp

Filesize
4KB

Download
memory/3096-134-0x00007FFED61F0000-0x00007FFED61F1000-memory.dmp

Filesize
4KB

Download