File name:

Client-built.exe.exe

Full analysis: https://app.any.run/tasks/51d6f639-2aeb-4cc9-aa2b-6d342837cf7a
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: May 15, 2025, 19:24:20
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:

0F476BD37B1A79866DB7BD91E93EE5BA

SHA1:

BB1472ACC5CC75C07E600016C5DFA7E292DA1B5C

SHA256:

7A3170963A7220014B0D0556C30789E310CD316C2A0D9D4A53527C35C8974169

SSDEEP:

49152:70EcsT90z2NkvSCmRf7uY1+DVlYZ+hHjGmt/3Dg9iIb9j7JoOXOXVttg1zv7LoGP:o2NkKCmRf7uY1+DVlYZ+hHaIDg+gxx

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

    • QUASAR has been detected (YARA)

      • Client.exe (PID: 7456)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Client-built.exe.exe (PID: 7428)

    • Starts itself from another location

      • Client-built.exe.exe (PID: 7428)

    • There is functionality for taking screenshot (YARA)

      • Client.exe (PID: 7456)

    • Connects to unusual port

      • Client.exe (PID: 7456)

  • INFO

    • Reads the machine GUID from the registry

      • Client-built.exe.exe (PID: 7428)
      • Client.exe (PID: 7456)

    • Creates files or folders in the user directory

      • Client-built.exe.exe (PID: 7428)

    • Reads Environment values

      • Client-built.exe.exe (PID: 7428)
      • Client.exe (PID: 7456)

    • Reads the computer name

      • Client-built.exe.exe (PID: 7428)
      • Client.exe (PID: 7456)

    • Checks supported languages

      • Client-built.exe.exe (PID: 7428)
      • Client.exe (PID: 7456)

    • Checks proxy server information

      • slui.exe (PID: 7928)

    • Reads the software policy settings

      • slui.exe (PID: 7928)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(7456) Client.exe
Version1.4.1
C2 (2)10.0.0.114:4782
Sub_DirSubDir
Install_NameClient.exe
Mutexc9753698-a42e-4d78-9fac-db0f662ee0b1
StartupQuasar Client Startup
TagOffice04
LogDirLogs
SignatureJzapCPp2cNNmk8CBoQoXLdDmxzJbLkVes7L+QItIHvPqZlWiKknBJg3iBmOtbpe1wDqkz4HsGkwLVNEfWfOmvqM+JguK8NOQkRV3JMLlBzw/fCTeTgQ2clrj1jndxelbjjQ/0ZMbdXBIu40BSEDVy4nIYy6GLgo1WByovmArbPITwXg++1JZ7bXCCz8KYwGYnuo7yiXthPsMNOgEklG9IomL5PyU3xzGNgwpGQUgCKfxIGQMxD38PDu2P9MPTUDlOAA5HZRtrHxrTLbV+ddAQ8D1Hg2XzlTAhrJXVvLJnjqu...
CertificateMIIE9DCCAtygAwIBAgIQAItcNMA9k3YtEoWgPM6I4zANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI1MDUxMzEyNDcyOFoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEApEfBiY9iHzQllkLah2d8UZQglL1jpmDqUyYsaxGp3/lbBCFsQyFAnCBs9ttuxqfmm4UPWugS...
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: 0x31e3fe
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 client-built.exe.exe #QUASAR client.exe slui.exe

Process information

PID
CMD
Path
Indicators
Parent process
7428"C:\Users\admin\Desktop\Client-built.exe.exe" C:\Users\admin\Desktop\Client-built.exe.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Exit code:
3
Version:
1.4.1
Modules
Images
c:\users\admin\desktop\client-built.exe.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
7456"C:\Users\admin\AppData\Roaming\SubDir\Client.exe"C:\Users\admin\AppData\Roaming\SubDir\Client.exe
Client-built.exe.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Version:
1.4.1
Modules
Images
c:\users\admin\appdata\roaming\subdir\client.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(7456) Client.exe
Version1.4.1
C2 (2)10.0.0.114:4782
Sub_DirSubDir
Install_NameClient.exe
Mutexc9753698-a42e-4d78-9fac-db0f662ee0b1
StartupQuasar Client Startup
TagOffice04
LogDirLogs
SignatureJzapCPp2cNNmk8CBoQoXLdDmxzJbLkVes7L+QItIHvPqZlWiKknBJg3iBmOtbpe1wDqkz4HsGkwLVNEfWfOmvqM+JguK8NOQkRV3JMLlBzw/fCTeTgQ2clrj1jndxelbjjQ/0ZMbdXBIu40BSEDVy4nIYy6GLgo1WByovmArbPITwXg++1JZ7bXCCz8KYwGYnuo7yiXthPsMNOgEklG9IomL5PyU3xzGNgwpGQUgCKfxIGQMxD38PDu2P9MPTUDlOAA5HZRtrHxrTLbV+ddAQ8D1Hg2XzlTAhrJXVvLJnjqu...
CertificateMIIE9DCCAtygAwIBAgIQAItcNMA9k3YtEoWgPM6I4zANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI1MDUxMzEyNDcyOFoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEApEfBiY9iHzQllkLah2d8UZQglL1jpmDqUyYsaxGp3/lbBCFsQyFAnCBs9ttuxqfmm4UPWugS...
7928C:\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
3 907
Read events
3 907
Write events
0
Delete events
0

Modification events

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

Dropped files

PID
Process
Filename
Type
7428Client-built.exe.exeC:\Users\admin\AppData\Roaming\SubDir\Client.exeexecutable
MD5:0F476BD37B1A79866DB7BD91E93EE5BA
SHA256:7A3170963A7220014B0D0556C30789E310CD316C2A0D9D4A53527C35C8974169
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
64
DNS requests
12
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
7712
SIHClient.exe
GET
200
2.19.11.120:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
7712
SIHClient.exe
GET
200
2.19.11.120:80
http://crl.microsoft.com/pki/crl/products/MicTimStaPCA_2010-07-01.crl
unknown
—
—
whitelisted
7712
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.1.crl
unknown
—
—
whitelisted
7712
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
—
—
whitelisted
7712
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.1.crl
unknown
—
—
whitelisted
7712
SIHClient.exe
GET
200
2.19.11.120:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl
unknown
—
—
whitelisted
7712
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.2.crl
unknown
—
—
whitelisted
7712
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.2.crl
unknown
—
—
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
—
—
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
3216
svchost.exe
172.211.123.249:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
7456
Client.exe
10.0.0.114:4782
—
—
—
unknown
7712
SIHClient.exe
20.12.23.50:443
slscr.update.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
7712
SIHClient.exe
2.19.11.120:80
crl.microsoft.com
Elisa Oyj
NL
whitelisted
7712
SIHClient.exe
95.101.149.131:80
www.microsoft.com
Akamai International B.V.
NL
whitelisted
7712
SIHClient.exe
20.3.187.198:443
fe3cr.delivery.mp.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6480
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
  • 20.73.194.208
whitelisted
google.com
  • 142.250.186.174
whitelisted
client.wns.windows.com
  • 172.211.123.249
whitelisted
slscr.update.microsoft.com
  • 20.12.23.50
whitelisted
crl.microsoft.com
  • 2.19.11.120
  • 2.19.11.105
whitelisted
www.microsoft.com
  • 95.101.149.131
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.3.187.198
whitelisted
activation-v2.sls.microsoft.com
  • 20.83.72.98
whitelisted
nexusrules.officeapps.live.com
  • 52.111.227.11
whitelisted
login.live.com
  • 20.190.160.65
  • 20.190.160.17
  • 20.190.160.132
  • 20.190.160.14
  • 40.126.32.72
  • 40.126.32.138
  • 20.190.160.128
  • 20.190.160.67
whitelisted

Threats

No threats detected
No debug info
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Reports
Client-built.exe.exe