File name:

Cheese.exe

Full analysis: https://app.any.run/tasks/39d70f80-f800-4fd4-9b47-1e9d712ea155
Verdict: Malicious activity
Threats:

Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely.

Malware Trends Tracker     >>>
Analysis date: April 15, 2025, 18:45:14
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
quasar
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

207DEBCADD8C7F7806E6130CC5E17649

SHA1:

879080457EB88798FAD913004678CEEC7C7FA253

SHA256:

69F59462602CD5282F76AF54B7C06EC80C713FBFCA53FD37F0DAB706C846539A

SSDEEP:

49152:mXEcsT90z2NkvSCmRf7uY1+DVlYZ+hHjGmt/3DgqtsdIDlsvIm9ffLwtzza9oGdw:02NkKCmRf7uY1+DVlYZ+hHaIDgbwCz0

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

    • Changes the autorun value in the registry

      • Cheese.exe (PID: 7352)
      • LagReducerBetaV1.exe (PID: 7388)

    • QUASAR has been detected (YARA)

      • LagReducerBetaV1.exe (PID: 7388)

  • SUSPICIOUS

    • Starts itself from another location

      • Cheese.exe (PID: 7352)

    • Executable content was dropped or overwritten

      • Cheese.exe (PID: 7352)

    • Connects to unusual port

      • LagReducerBetaV1.exe (PID: 7388)

    • There is functionality for taking screenshot (YARA)

      • LagReducerBetaV1.exe (PID: 7388)

  • INFO

    • Creates files or folders in the user directory

      • Cheese.exe (PID: 7352)

    • Checks supported languages

      • Cheese.exe (PID: 7352)
      • LagReducerBetaV1.exe (PID: 7388)

    • Reads Environment values

      • Cheese.exe (PID: 7352)
      • LagReducerBetaV1.exe (PID: 7388)

    • Reads the computer name

      • Cheese.exe (PID: 7352)
      • LagReducerBetaV1.exe (PID: 7388)

    • Reads the machine GUID from the registry

      • Cheese.exe (PID: 7352)
      • LagReducerBetaV1.exe (PID: 7388)

    • Checks proxy server information

      • slui.exe (PID: 7760)

    • Reads the software policy settings

      • slui.exe (PID: 7760)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(7388) LagReducerBetaV1.exe
Version1.4.1
C2 (2)10.50.0.8:4782
Sub_DirSubDir
Install_NameLagReducerBetaV1.exe
Mutex8b640c47-9e83-488d-bb46-1b5cde89b90e
StartupQuasar Client Startup
TagOffice04
LogDirLogs
SignatureMlsJyBmUqVcThyLsyDGaoq+BhTzIrip5KptWN6ATNp4odIAyHWbXztwyJHn5Y87Blmq/w0vcVrxTUDMs4UyjkpH/pHy5XszmvcX2n+VpAAzvaldlf/PjD1kLH6+XTFtlQtMHfaW78devXHX3F+8JKVVZZ+f5FVDbjB1crvjRpv9vh4Shrpgt7wCcFsZnQ3O4Harh56EOmWg9n0H2rMqLva5nu62YTGf2iQ9noTNAkD7h/MzoOnXO0ZrE7K4EJ6K2J3LJOMMNGTc4kbPIJvAe2pTdCBfJ7u3B+rvqZb7PF/yI...
CertificateMIIE9DCCAtygAwIBAgIQAKXZEXD6lffc13MAk1c5bTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI1MDQxMzE4MDE1N1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvUxrYeVqPFDJtSX+qcYfErIl6UlsoPEMV4h3rkdlnt/ZpzCJKzwWf/Y5FrgRha4yFvKEthv4...
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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2023:03:12 16:16:39+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 3261952
InitializedDataSize: 3584
UninitializedDataSize: -
EntryPoint: 0x31e40e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.4.1.0
ProductVersionNumber: 1.4.1.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: Quasar Client
FileVersion: 1.4.1
InternalName: Client.exe
LegalCopyright: Copyright © MaxXor 2023
LegalTrademarks: -
OriginalFileName: Client.exe
ProductName: Quasar
ProductVersion: 1.4.1
AssemblyVersion: 1.4.1.0
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
124
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start cheese.exe #QUASAR lagreducerbetav1.exe slui.exe

Process information

PID
CMD
Path
Indicators
Parent process
7352"C:\Users\admin\Desktop\Cheese.exe" C:\Users\admin\Desktop\Cheese.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Exit code:
3
Version:
1.4.1
Modules
Images
c:\users\admin\desktop\cheese.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
7388"C:\Users\admin\AppData\Roaming\SubDir\LagReducerBetaV1.exe"C:\Users\admin\AppData\Roaming\SubDir\LagReducerBetaV1.exe
Cheese.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Version:
1.4.1
Modules
Images
c:\users\admin\appdata\roaming\subdir\lagreducerbetav1.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Quasar
(PID) Process(7388) LagReducerBetaV1.exe
Version1.4.1
C2 (2)10.50.0.8:4782
Sub_DirSubDir
Install_NameLagReducerBetaV1.exe
Mutex8b640c47-9e83-488d-bb46-1b5cde89b90e
StartupQuasar Client Startup
TagOffice04
LogDirLogs
SignatureMlsJyBmUqVcThyLsyDGaoq+BhTzIrip5KptWN6ATNp4odIAyHWbXztwyJHn5Y87Blmq/w0vcVrxTUDMs4UyjkpH/pHy5XszmvcX2n+VpAAzvaldlf/PjD1kLH6+XTFtlQtMHfaW78devXHX3F+8JKVVZZ+f5FVDbjB1crvjRpv9vh4Shrpgt7wCcFsZnQ3O4Harh56EOmWg9n0H2rMqLva5nu62YTGf2iQ9noTNAkD7h/MzoOnXO0ZrE7K4EJ6K2J3LJOMMNGTc4kbPIJvAe2pTdCBfJ7u3B+rvqZb7PF/yI...
CertificateMIIE9DCCAtygAwIBAgIQAKXZEXD6lffc13MAk1c5bTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI1MDQxMzE4MDE1N1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvUxrYeVqPFDJtSX+qcYfErIl6UlsoPEMV4h3rkdlnt/ZpzCJKzwWf/Y5FrgRha4yFvKEthv4...
7760C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Activation Client
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll
Total events
3 911
Read events
3 909
Write events
2
Delete events
0

Modification events

(PID) Process:(7388) LagReducerBetaV1.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Quasar Client Startup
Value:
"C:\Users\admin\AppData\Roaming\SubDir\LagReducerBetaV1.exe"
(PID) Process:(7352) Cheese.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Quasar Client Startup
Value:
"C:\Users\admin\AppData\Roaming\SubDir\LagReducerBetaV1.exe"
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
7352Cheese.exeC:\Users\admin\AppData\Roaming\SubDir\LagReducerBetaV1.exeexecutable
MD5:207DEBCADD8C7F7806E6130CC5E17649
SHA256:69F59462602CD5282F76AF54B7C06EC80C713FBFCA53FD37F0DAB706C846539A
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
25
DNS requests
5
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
6148
RUXIMICS.exe
GET
200
23.48.23.166:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
—
—
POST
500
20.83.72.98:443
https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail
unknown
xml
512 b
whitelisted
—
—
POST
500
20.83.72.98:443
https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail
unknown
xml
512 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:138
—
—
—
whitelisted
6148
RUXIMICS.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
—
—
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
—
—
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
6148
RUXIMICS.exe
23.48.23.166:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
7388
LagReducerBetaV1.exe
10.50.0.8:4782
—
—
—
unknown
4
System
192.168.100.255:137
—
—
—
whitelisted
6708
slui.exe
20.83.72.98:443
activation-v2.sls.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
7760
slui.exe
20.83.72.98:443
activation-v2.sls.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.124.78.146
  • 40.127.240.158
whitelisted
google.com
  • 142.250.185.78
whitelisted
crl.microsoft.com
  • 23.48.23.166
  • 23.48.23.162
  • 23.48.23.193
  • 23.48.23.145
  • 23.48.23.158
  • 23.48.23.194
  • 23.48.23.141
  • 23.48.23.176
  • 23.48.23.169
whitelisted
activation-v2.sls.microsoft.com
  • 20.83.72.98
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
Cheese.exe