7dc6fae7550e79701c54df21d4a2f9804e51c3a44b6e50fb405dfb081389e1b5

Analysis

max time kernel
30s
max time network
32s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
01/04/2025, 16:17

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General

Target

CCleaner64.exe
Size

43.3MB
MD5

eb3f46bce05231e76b5d419de44f04b7
SHA1

51bb120c8d8c15e0be036a0f569752a2fd2367fd
SHA256

7dc6fae7550e79701c54df21d4a2f9804e51c3a44b6e50fb405dfb081389e1b5
SHA512

768ab087ac41b7593f0f322a1410d044b6913c3810c8764a5a2f196af82d9f3866f6be739c3a528c5602833f7392663b887da0c082aba5d8bd2f949d3f31e069
SSDEEP

393216:moD2J2695Op4gT/ADHIpWR96HJEoEkc+unfmGffVgSKoJ9jLcsWrqNZTSP+R42u1:moZ69syDEuneGFKon/SP+R4dws1J

Score

8^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Downloads MZ/PE file 1 IoCs

flow	pid	Process
50	5696	CCleaner64.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Control Panel\International\Geo\Nation	CCleaner64.exe

Loads dropped DLL 1 IoCs

pid	Process
5696	CCleaner64.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Checks for any installed AV software in registry 1 TTPs 8 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira\AntiVir Desktop	CCleaner64.exe
Key opened	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Avira\AntiVirus	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira\Speedup	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Software\WOW6432Node\Avast Software\Avast	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Avira\AntiVir Desktop	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Avira\Speedup	CCleaner64.exe
Key opened	\REGISTRY\MACHINE\Software\Avast Software\Avast	CCleaner64.exe
Key opened	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Avast Software\Avast	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

Checks system information in the registry 2 TTPs 2 IoCs

System 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\SYSTEM\ControlSet001\Control\SystemInformation\SystemManufacturer	CCleaner64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemProductName	CCleaner64.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\addinutil.exe.log	CCleaner64.exe

Drops file in Windows directory 25 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Logs\MoSetup\UpdateAgent.Old.log	CCleaner64.exe
File opened for modification	C:\Windows\Panther\UnattendGC\setupact.log	CCleaner64.exe
File opened for modification	C:\Windows\Panther\UnattendGC\setuperr.log	CCleaner64.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edbtmp.log	CCleaner64.exe
File opened for modification	C:\Windows\security\logs\scesetup.log	CCleaner64.exe
File opened for modification	C:\Windows\Logs\CBS\CbsPersist_20250401161817.log	CCleaner64.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	CCleaner64.exe
File opened for modification	C:\Windows\DtcInstall.log	CCleaner64.exe
File opened for modification	C:\Windows\setupact.log	CCleaner64.exe
File opened for modification	C:\Windows\Debug\NetSetup.LOG	CCleaner64.exe
File opened for modification	C:\Windows\Debug\PASSWD.LOG	CCleaner64.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	CCleaner64.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	CCleaner64.exe
File opened for modification	C:\Windows\Logs\DISM\dism.log	CCleaner64.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework\v2.0.50727\ngen.log	CCleaner64.exe
File opened for modification	C:\Windows\lsasetup.log	CCleaner64.exe
File opened for modification	C:\Windows\setuperr.log	CCleaner64.exe
File opened for modification	C:\Windows\Debug\sammui.log	CCleaner64.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.log	CCleaner64.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\ngen.log	CCleaner64.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	CCleaner64.exe
File opened for modification	C:\Windows\Panther\setupact.log	CCleaner64.exe
File opened for modification	C:\Windows\Panther\setuperr.log	CCleaner64.exe
File opened for modification	C:\Windows\WindowsUpdate.log	CCleaner64.exe
File opened for modification	C:\Windows\Logs\MoSetup\UpdateAgent.log	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 7 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\~MHz	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 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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
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5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe
5696	CCleaner64.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	5696	CCleaner64.exe
Token: SeShutdownPrivilege	5696	CCleaner64.exe
Token: SeCreatePagefilePrivilege	5696	CCleaner64.exe
Token: SeShutdownPrivilege	5696	CCleaner64.exe
Token: SeCreatePagefilePrivilege	5696	CCleaner64.exe
Token: SeShutdownPrivilege	5696	CCleaner64.exe
Token: SeCreatePagefilePrivilege	5696	CCleaner64.exe
Token: SeShutdownPrivilege	5696	CCleaner64.exe
Token: SeCreatePagefilePrivilege	5696	CCleaner64.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5696	CCleaner64.exe
5696	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⤵
- Downloads MZ/PE file
- Checks computer location settings
- Loads dropped DLL
- Checks for any installed AV software in registry
- Writes to the Master Boot Record (MBR)
- Checks system information in the registry
- Drops file in System32 directory
- Drops file in Windows directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Software Discovery

T1518

Security Software Discovery

T1518.001

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

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
418358a22ad603c2cae146bacd6a6d16

SHA1
d1e85a0a0554c800c96580ce649b6f24c0fe0db1

SHA256
7a8ea37574f9c3a159672a259d63e6336bad72be981bf9c395330832f3f08598

SHA512
f0be23719ea6dd6721d89c3de02ee749389663fdcb92324e9bce580e6a8bdf31f227b18c87d44a81c2d697260f046b329e79f1d50a4462a1fa34ef5165b4db2b

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

Filesize
14.0MB

MD5
0de8ca5c166f483b8f1f2c5b7351c20a

SHA1
af558fc69983ef6365aa2e1feb3d3a0ec0ad9d24

SHA256
1412b58685031709e3cce8cb201e09ee58d07ad70aa2f6b186c27e8801a7d609

SHA512
098b6b4c9f9d022f574b7b491c33af71e4e5af22071b7e750d7d1965213b06e19a20e8e8bf84840c7c8c8b7a99127f0d48fc3fe73f13950d8c120f880d8ff50f

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

Filesize
14.0MB

MD5
104e5d3b1ffe08a93030419991dfa198

SHA1
1f64f167ba615cbe7cc5cf1465e8f5a5c1f0c75f

SHA256
2a1e3811011e0377425c8ce8f9e16ba33d640d2931ff015d721a23e2d0dccfc9

SHA512
e042045ddae14e10be2dba200bc148c1d2f63cc970b01cc3c43b8100d5bf5b432e1daedfabdb1de465e348fb4afbbf98b9c618fc6fd8b548f77633e029b2a059

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

Filesize
14.0MB

MD5
13e697f0a4ac8fb813ff61e29a15afe1

SHA1
f2b93271ecc575974fd65b6c6a08ae1d59a9497a

SHA256
d81bf0cc8c0394d10d16f885e6d9e1621936f2e2dac28d923e2a227496f80937

SHA512
7cb951d5c6fd1a799015af99fe64a7137df504bce9fb9bdab743c15aa1286d45df29c8841faedfb063597cfb4aa68b80675d9f425f68b30996d447b7303cb9e9

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

Filesize
16KB

MD5
b2a9fea1f48f17954e3f3cb2735928d5

SHA1
1ae3fbe00b8b40df370a3dffde8a5fef1771a617

SHA256
42798855b1b97baec23e362adf9de80893dd40691f6fe6d4d5959a5ee6163e81

SHA512
baa12fb716763ddd7a6ae8976f220436f511ea5b75dc3cf8efe336ca4101338752172c4fc03586434b93ad276e1c8565974f6581b4d043a0284e889508dfd361

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

Filesize
16KB

MD5
f29ccf7cb355adcba4253c3ec0678413

SHA1
49de962d5e20ec8e19be4129769a6c70d2bcc648

SHA256
585a2fbb63177e87bcca83a964c217d1d3b467fbad5b0c2a57d160bcdbbf7f53

SHA512
7e97fb95c55d6474fe6d3198c05e0428faeb7d8cb7a82bae0ffce36c90661d3849b7a2ca6f1ed3fdcb0a81f58290f86f2d2b212a3fa60a642c6e958fccdac187

Download Submit
C:\Users\Admin\AppData\Local\Temp\gcapi_17435242975696.dll

Filesize
740KB

MD5
f17f96322f8741fe86699963a1812897

SHA1
a8433cab1deb9c128c745057a809b42110001f55

SHA256
8b6ce3a640e2d6f36b0001be2a1abb765ae51e62c314a15911e75138cbb544bb

SHA512
f10586f650a5d602287e6e7aeeaf688b275f0606e20551a70ea616999579acdf7ea2f10cebcfaa817dae4a2fc9076e7fa5b74d9c4b38878fbf590ffe0e7d81c9

Download Submit
memory/5696-46-0x0000028BD7750000-0x0000028BD7751000-memory.dmp

Filesize
4KB

Download
memory/5696-5-0x00007FFEEBDF0000-0x00007FFEEBDF1000-memory.dmp

Filesize
4KB

Download
memory/5696-24-0x0000028BC7230000-0x0000028BC7240000-memory.dmp

Filesize
64KB

Download
memory/5696-19-0x0000028BC71E0000-0x0000028BC71F0000-memory.dmp

Filesize
64KB

Download
memory/5696-42-0x0000028BD7870000-0x0000028BD7878000-memory.dmp

Filesize
32KB

Download
memory/5696-44-0x0000028BD78E0000-0x0000028BD78E8000-memory.dmp

Filesize
32KB

Download
memory/5696-45-0x0000028BD7760000-0x0000028BD7768000-memory.dmp

Filesize
32KB

Download
memory/5696-0-0x00007FFEEBD50000-0x00007FFEEBD51000-memory.dmp

Filesize
4KB

Download
memory/5696-48-0x0000028BD7760000-0x0000028BD7768000-memory.dmp

Filesize
32KB

Download
memory/5696-51-0x0000028BD7750000-0x0000028BD7758000-memory.dmp

Filesize
32KB

Download
memory/5696-54-0x0000028BD7700000-0x0000028BD7701000-memory.dmp

Filesize
4KB

Download
memory/5696-4-0x00007FFEEBD80000-0x00007FFEEBD81000-memory.dmp

Filesize
4KB

Download
memory/5696-66-0x0000028BD7790000-0x0000028BD7798000-memory.dmp

Filesize
32KB

Download
memory/5696-68-0x0000028BD7840000-0x0000028BD7848000-memory.dmp

Filesize
32KB

Download
memory/5696-71-0x0000028BD7750000-0x0000028BD7751000-memory.dmp

Filesize
4KB

Download
memory/5696-75-0x0000028BD7700000-0x0000028BD7701000-memory.dmp

Filesize
4KB

Download
memory/5696-6-0x00007FFEEBD90000-0x00007FFEEBD91000-memory.dmp

Filesize
4KB

Download
memory/5696-7-0x00007FFEEA440000-0x00007FFEEA441000-memory.dmp

Filesize
4KB

Download
memory/5696-3-0x00007FFEEBDC0000-0x00007FFEEBDC1000-memory.dmp

Filesize
4KB

Download
memory/5696-1-0x00007FFEEBD60000-0x00007FFEEBD61000-memory.dmp

Filesize
4KB

Download
memory/5696-2-0x00007FFEEBD70000-0x00007FFEEBD71000-memory.dmp

Filesize
4KB

Download