File name:

CCleaner64.exe

Full analysis: https://app.any.run/tasks/1273d0b7-dcda-401e-b557-a9abdf8ae516
Verdict: Malicious activity
Threats:

AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions.

Analysis date: February 08, 2022, 15:29:08
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
rat
quasar
asyncrat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

2BDD7D4F775A0CBBBFF857C59D349A44

SHA1:

0DDFC3827E513AC1CE28CD2CAE704F641AE8E2B9

SHA256:

7BBF7382B07BB95D91A70624EDF0BB1ECF6918237556FE083CE6E735CE562742

SSDEEP:

768:K8F2bUlhd5b2FlJZwep5Jxnz5ijaX9urEt7SFFv:ib8x2Flo0z5ijaXQE87v

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Writes to a start menu file

      • CCleaner64.exe (PID: 2332)
    • QUASAR was detected

      • CCleaner64.exe (PID: 3912)
    • Connects to CnC server

      • CCleaner64.exe (PID: 3912)
    • ASYNCRAT was detected

      • CCleaner64.exe (PID: 3912)
  • SUSPICIOUS

    • Checks supported languages

      • CCleaner64.exe (PID: 2332)
      • CCleaner64.exe (PID: 3912)
    • Reads the computer name

      • CCleaner64.exe (PID: 2332)
      • CCleaner64.exe (PID: 3912)
    • Executable content was dropped or overwritten

      • CCleaner64.exe (PID: 2332)
    • Reads Environment values

      • CCleaner64.exe (PID: 3912)
      • CCleaner64.exe (PID: 2332)
    • Application launched itself

      • CCleaner64.exe (PID: 2332)
    • Creates files in the user directory

      • CCleaner64.exe (PID: 2332)
    • Drops a file that was compiled in debug mode

      • CCleaner64.exe (PID: 2332)
    • Drops a file with a compile date too recent

      • CCleaner64.exe (PID: 2332)
  • INFO

    • Reads settings of System Certificates

      • CCleaner64.exe (PID: 2332)
      • CCleaner64.exe (PID: 3912)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

AssemblyVersion: 0.0.0.0
ProductVersion: 0.0.0.0
OriginalFileName: Hotel.exe
LegalCopyright:
InternalName: Hotel.exe
FileVersion: 0.0.0.0
FileDescription: Hotel
Comments: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 0.0.0.0
FileVersionNumber: 0.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x8842
UninitializedDataSize: -
InitializedDataSize: 28672
CodeSize: 27136
LinkerVersion: 48
PEType: PE32
TimeStamp: 2100:11:02 14:48:24+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 26-Sep-1964 07:20:08
Debug artifacts:
  • C:\Users\Administrator\Desktop\HotelManagementSystem-master\obj\Debug\Hotel.pdb
Comments: -
FileDescription: Hotel
FileVersion: 0.0.0.0
InternalName: Hotel.exe
LegalCopyright: -
OriginalFilename: Hotel.exe
ProductVersion: 0.0.0.0
Assembly Version: 0.0.0.0

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 26-Sep-1964 07:20:08
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x00006848
0x00006A00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.20624
.rsrc
0x0000A000
0x00006DA4
0x00006E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
1.5203
.reloc
0x00012000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST
2
1.21573
16936
UNKNOWN
UNKNOWN
RT_ICON
32512
2.40927
34
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start ccleaner64.exe #QUASAR ccleaner64.exe

Process information

PID
CMD
Path
Indicators
Parent process
2332"C:\Users\admin\AppData\Local\Temp\CCleaner64.exe" C:\Users\admin\AppData\Local\Temp\CCleaner64.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
Hotel
Exit code:
0
Version:
0.0.0.0
3912"C:\Users\admin\AppData\Local\Temp\CCleaner64.exe"C:\Users\admin\AppData\Local\Temp\CCleaner64.exe
CCleaner64.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Hotel
Exit code:
0
Version:
0.0.0.0
Total events
0
Read events
0
Write events
0
Delete events
0

Modification events

No data
Executable files
1
Suspicious files
3
Text files
0
Unknown types
1

Dropped files

PID
Process
Filename
Type
3912CCleaner64.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506binary
MD5:
SHA256:
2332CCleaner64.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CCleaner64.exeexecutable
MD5:
SHA256:
3912CCleaner64.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506compressed
MD5:ACAEDA60C79C6BCAC925EEB3653F45E0
SHA256:6B0CECCF0103AFD89844761417C1D23ACC41F8AEBF3B7230765209B61EEE5658
3912CCleaner64.exeC:\Users\admin\AppData\Local\Temp\Cab12B4.tmpcompressed
MD5:ACAEDA60C79C6BCAC925EEB3653F45E0
SHA256:6B0CECCF0103AFD89844761417C1D23ACC41F8AEBF3B7230765209B61EEE5658
3912CCleaner64.exeC:\Users\admin\AppData\Local\Temp\Tar12B5.tmpcat
MD5:D99661D0893A52A0700B8AE68457351A
SHA256:BDD5111162A6FA25682E18FA74E37E676D49CAFCB5B7207E98E5256D1EF0D003
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
5
DNS requests
5
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3912
CCleaner64.exe
GET
200
2.16.186.81:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?cb9e683aac027839
unknown
compressed
59.9 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2332
CCleaner64.exe
172.67.221.126:443
yggtorrentapp.com
US
unknown
3912
CCleaner64.exe
2.16.186.81:80
ctldl.windowsupdate.com
Akamai International B.V.
whitelisted
3912
CCleaner64.exe
41.102.88.31:500
tornoob.me
Telecom Algeria
DZ
malicious
3912
CCleaner64.exe
185.172.148.96:443
tools.keycdn.com
proinity GmbH
DE
suspicious
3912
CCleaner64.exe
54.91.59.199:443
api.ipify.org
Amazon.com, Inc.
US
malicious

DNS requests

Domain
IP
Reputation
yggtorrentapp.com
  • 172.67.221.126
  • 104.21.38.96
malicious
tornoob.me
  • 41.102.88.31
malicious
ctldl.windowsupdate.com
  • 2.16.186.81
  • 2.16.186.56
whitelisted
tools.keycdn.com
  • 185.172.148.96
suspicious
api.ipify.org
  • 54.91.59.199
  • 3.220.57.224
  • 3.232.242.170
  • 52.20.78.240
shared

Threats

PID
Process
Class
Message
3912
CCleaner64.exe
A Network Trojan was detected
ET TROJAN Observed Malicious SSL Cert (Quasar CnC)
2 ETPRO signatures available at the full report
No debug info