b43403c0a91577e2fec68c0213a3222bdfb31badca45a59eaeada026cf8120b9

General

Target

CCleanerPro_Ver.5.57.7182_Chs/CCleaner.exe
Size

16.3MB
MD5

1da41756212be1ba59ee5e5d910e8f9b
SHA1

cbba9cb8e6e88a03499b8085a102a71cf9c8625f
SHA256

a2a96b00f8b89434fc231f901bf66bdf4b62526faf65a3ce16587643b04a97c6
SHA512

9aa7c5ffc25b3fa0fa7579aba2245bca945c60696bbd253f5ceea78c3cbc129d52f4e65f18499a623c3067d8bd62b92b57e2325835c942cad73057e72ae8181d
SSDEEP

196608:F/1HeOdzVD9lxIK/uTYTPHxBgSx6UrqNL+sfNUa1Dvu:zfdL8TYrHxBgSkUrqNvjvu

Score

6^/10

bootkit persistence

Malware Config

Signatures

Checks for any installed AV software in registry 1 TTPs 13 IoCs

Security Software Discovery

T1518.001

Processes:

CCleaner64.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Avira\AntiVir Desktop	CCleaner64.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\SOFTWARE\Avira\AntiVirus	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Software\Wow6432Node\Avast Software\Avast	CCleaner64.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Avira\Antivirus	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Software\Wow6432Node\Avira\Speedup	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Avira\AntiVir Desktop	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Software\Avira\AntiVir Desktop	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Software\Wow6432Node\Avira\AntiVir Desktop	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Software\Avira\Speedup	CCleaner64.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Avast Software\Avast	CCleaner64.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\AVAST Software\Avast	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Software\Avast Software\Avast	CCleaner64.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\KasperskyLab	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
T1542.003

Processes:

CCleaner64.exe

description ioc process

File opened for modification \??\PhysicalDrive0 CCleaner64.exe

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

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

Processes:

CCleaner64.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	CCleaner64.exe
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

Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

CCleaner64.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main CCleaner64.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main	CCleaner64.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

CCleaner64.exe

pid	process
2596	CCleaner64.exe
2596	CCleaner64.exe
2596	CCleaner64.exe
2596	CCleaner64.exe
2596	CCleaner64.exe
2596	CCleaner64.exe
2596	CCleaner64.exe
2596	CCleaner64.exe
2596	CCleaner64.exe
2596	CCleaner64.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CCleaner64.exe

description pid process

Token: SeManageVolumePrivilege 2596 CCleaner64.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

CCleaner64.exe

pid process

2596 CCleaner64.exe
2596 CCleaner64.exe
2596 CCleaner64.exe

description	pid	process
Token: SeManageVolumePrivilege	2596	CCleaner64.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

CCleaner.exe

description	pid	process	target process
PID 1672 wrote to memory of 2596	1672	CCleaner.exe	CCleaner64.exe
PID 1672 wrote to memory of 2596	1672	CCleaner.exe	CCleaner64.exe
PID 1672 wrote to memory of 2596	1672	CCleaner.exe	CCleaner64.exe
PID 1672 wrote to memory of 2596	1672	CCleaner.exe	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\CCleanerPro_Ver.5.57.7182_Chs\CCleaner.exe
"C:\Users\Admin\AppData\Local\Temp\CCleanerPro_Ver.5.57.7182_Chs\CCleaner.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\CCleanerPro_Ver.5.57.7182_Chs\CCleaner64.exe
  "C:\Users\Admin\AppData\Local\Temp\CCleanerPro_Ver.5.57.7182_Chs\CCleaner.exe"
  2⤵
  - Checks for any installed AV software in registry
  - Writes to the Master Boot Record (MBR)
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2596

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

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Query Registry

2

T1012

Software Discovery

1

T1518

Security Software Discovery

1

T1518.001

System Information Discovery

1

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
0549776aed723780c7fee174c4a3ac20

SHA1
ea7775525a6368dc18ad7c52b37cf90311bb7449

SHA256
be6917a8bb09f3b0b748c8beda11462c71417eec4dba1e1c5eca978ec8adf5ee

SHA512
10afbf94c0a5d5545373e25373bbaae0462dd637d4899dea012b1b460724a4c817ecf872c19ec769b3d478d0c75177f9b9ee070612ce5e3a56543537f06827b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCleanerPro_Ver.5.57.7182_Chs\ccleaner.ini

Filesize
388B

MD5
abd14da7583a6411086f91cf1973c5fe

SHA1
6bc4e17bddfa4c3e557557320fa54c70f9b185ee

SHA256
cc17ca1cf49b9d58d70c9e6628bc35cf19ae95a63fec3f89c0b13d23de3aa1be

SHA512
d4d641f431f2bef9420c6684dbc641b4d180bdb5a4d9c24b1cc9b189a122a03f021894fea5ef840bd79b6066475b5a1e5d6ea8c923d855c435a87ea67d2d5c23

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCleanerPro_Ver.5.57.7182_Chs\ccleaner.ini

Filesize
255B

MD5
e8d6312d001eb0b88a45ccf2aef179e4

SHA1
44215039af287cad391e0ef48857f26a39545f3a

SHA256
c4f0cec8d6b05e69b5c6ea0c301eac765ee2f7a94961dc98ee87b86df1b0306c

SHA512
2ab093e61ba21cdca0308ef5a73ea72714a1dadd18d8044ade1f9c70e9737ffcac32e501849d67a0ae23d4f9b1463cc1f14303b9dd2f591e27e47b96ee4b2678

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCleanerPro_Ver.5.57.7182_Chs\ccleaner.ini

Filesize
458B

MD5
ac4e738fc609940f80f82faf73ffea49

SHA1
dc87c8a53d30d9cbd93acaa3770e2546d9acce3a

SHA256
a19c40c28f103d98eecbbc26935e9e94cbdf12e08f65d0f623f3abd452486c1b

SHA512
3ed2d7e11ac48a0575d3d011969516deb2fe266b441c5025c8f0d6a6024cd382ca284eb6e324c2149b7f725790de0bf650e08545a76edf4755983fd134c2100a

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCleanerPro_Ver.5.57.7182_Chs\ccleaner.ini

Filesize
492B

MD5
942a65e6f83267594753b7d3e5609833

SHA1
573185bf395644dbd56e6357c4692131597daeb5

SHA256
3728c280cae14014ddaf5cead8d2141324ba4f350f81e21e7b1782fbf6679297

SHA512
ef4693b11d9a2b2a2ac866f62c99133e1a51f58a566d1eb7e236392b138b1e55718245c4527168f3a0915de5d8da214169d6dcfed5a81285f511dfcaff2a90f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab251F.tmp

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar281F.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/2596-59-0x00000000026D0000-0x00000000026E0000-memory.dmp

Filesize
64KB

Download
memory/2596-93-0x00000000034C0000-0x00000000034C8000-memory.dmp

Filesize
32KB

Download
memory/2596-22-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

Filesize
4KB

Download
memory/2596-21-0x0000000001F90000-0x0000000001F91000-memory.dmp

Filesize
4KB

Download
memory/2596-65-0x0000000003100000-0x0000000003110000-memory.dmp

Filesize
64KB

Download
memory/2596-20-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2596-88-0x0000000003390000-0x0000000003398000-memory.dmp

Filesize
32KB

Download
memory/2596-23-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

Filesize
4KB

Download
memory/2596-95-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/2596-100-0x00000000032A0000-0x00000000032A1000-memory.dmp

Filesize
4KB

Download
memory/2596-19-0x0000000001F70000-0x0000000001F71000-memory.dmp

Filesize
4KB

Download
memory/2596-18-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

Filesize
4KB

Download
memory/2596-17-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

Filesize
4KB

Download
memory/2596-16-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads