File name:

Testy.exe

Full analysis: https://app.any.run/tasks/0c0764b8-b98c-4c2b-85ad-acfefa5e45d7
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 18, 2025, 01:48:14
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:

BA39C516A26CADE3B77B6D2FDCA9F9DF

SHA1:

ED20332023E03A485CD385CC5F1F7C9927073EE4

SHA256:

35B8FC2913980E1EC1D885AE80F7619CDCB28FDE5EC3909E1FF2805184A22B18

SSDEEP:

49152:huo7RPY2uikNeRyd72MlsLDil92m3GjNsz/3DgWETck96kZmlt+crReujV/PlJcA:q2uiieRyd72QsLDil92m3GJEDgscQP

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)

      • Testy.exe (PID: 7540)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Testy.exe (PID: 7484)

    • Starts itself from another location

      • Testy.exe (PID: 7484)

    • Reads security settings of Internet Explorer

      • Testy.exe (PID: 7540)

    • There is functionality for taking screenshot (YARA)

      • Testy.exe (PID: 7540)

  • INFO

    • Reads the computer name

      • Testy.exe (PID: 7484)
      • Testy.exe (PID: 7540)

    • Reads Environment values

      • Testy.exe (PID: 7484)
      • Testy.exe (PID: 7540)

    • Checks supported languages

      • Testy.exe (PID: 7484)
      • Testy.exe (PID: 7540)

    • Creates files or folders in the user directory

      • Testy.exe (PID: 7484)

    • Reads the machine GUID from the registry

      • Testy.exe (PID: 7484)
      • Testy.exe (PID: 7540)

    • Checks proxy server information

      • slui.exe (PID: 8020)

    • Reads the software policy settings

      • slui.exe (PID: 8020)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(7540) Testy.exe
Version1.4.1
C2 (3)100.100.210.114:8080
100.121.60.99:8080
Sub_DirSubDir
Install_NameTesty.exe
Mutexff75a7cb-6a92-4b6d-9dff-8ff69f29b826
StartupQuasar Client Startup
TagTest
LogDirLogs
SignatureMdVOtkYvuFb2N6UEt31PeP/N8b7O70PCxswkx4uYpkLuXoMVOwgLF/lHqeE49EOAVKTHq/j1CCOJyWXQqB1TztIKZh7wraX4rLKVlfFH2nAEFxJ3EOstQ6DWKzo7MfYLBMSvi5oSzk8oIIyppfpZctka5jJM9T3CzlkFM7rjNJaJNAzAsXTj6hI81HVm26hvsNWZL4PlmtWo6mBQkILoF1L8+DAfXddIy32zZpy/WRsZwo3A0I70ZMuORZijiddL4RO528NLDJooxQnVKCDoemsFMdNErO6jCh5/vabWvkuz...
CertificateMIIE9DCCAtygAwIBAgIQAMx+N5AvmKcnFAXerW2SYzANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI1MDUxNTA4NTYyN1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAjWE7F/8TaoMujtpwZoLj9763kD6G83neCBdhyB3qfaTT5Eq9LPZAlmPR7+HBuWLAElOTv07O...
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: 0x31e42e
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
127
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
7484"C:\Users\admin\Desktop\Testy.exe" C:\Users\admin\Desktop\Testy.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Exit code:
3
Version:
1.4.1
Modules
Images
c:\users\admin\desktop\testy.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
7540"C:\Users\admin\AppData\Roaming\SubDir\Testy.exe"C:\Users\admin\AppData\Roaming\SubDir\Testy.exe
Testy.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Version:
1.4.1
Modules
Images
c:\users\admin\appdata\roaming\subdir\testy.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(7540) Testy.exe
Version1.4.1
C2 (3)100.100.210.114:8080
100.121.60.99:8080
Sub_DirSubDir
Install_NameTesty.exe
Mutexff75a7cb-6a92-4b6d-9dff-8ff69f29b826
StartupQuasar Client Startup
TagTest
LogDirLogs
SignatureMdVOtkYvuFb2N6UEt31PeP/N8b7O70PCxswkx4uYpkLuXoMVOwgLF/lHqeE49EOAVKTHq/j1CCOJyWXQqB1TztIKZh7wraX4rLKVlfFH2nAEFxJ3EOstQ6DWKzo7MfYLBMSvi5oSzk8oIIyppfpZctka5jJM9T3CzlkFM7rjNJaJNAzAsXTj6hI81HVm26hvsNWZL4PlmtWo6mBQkILoF1L8+DAfXddIy32zZpy/WRsZwo3A0I70ZMuORZijiddL4RO528NLDJooxQnVKCDoemsFMdNErO6jCh5/vabWvkuz...
CertificateMIIE9DCCAtygAwIBAgIQAMx+N5AvmKcnFAXerW2SYzANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI1MDUxNTA4NTYyN1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAjWE7F/8TaoMujtpwZoLj9763kD6G83neCBdhyB3qfaTT5Eq9LPZAlmPR7+HBuWLAElOTv07O...
8020C:\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
4 140
Read events
4 140
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
7484Testy.exeC:\Users\admin\AppData\Roaming\SubDir\Testy.exeexecutable
MD5:BA39C516A26CADE3B77B6D2FDCA9F9DF
SHA256:35B8FC2913980E1EC1D885AE80F7619CDCB28FDE5EC3909E1FF2805184A22B18
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
45
DNS requests
15
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
6404
RUXIMICS.exe
GET
200
23.216.77.28:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
6404
RUXIMICS.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
7836
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.1.crl
unknown
—
—
whitelisted
7836
SIHClient.exe
GET
200
23.216.77.28:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl
unknown
—
—
whitelisted
7836
SIHClient.exe
GET
200
23.216.77.28:80
http://crl.microsoft.com/pki/crl/products/MicTimStaPCA_2010-07-01.crl
unknown
—
—
whitelisted
7836
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
—
—
whitelisted
7836
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.1.crl
unknown
—
—
whitelisted
7836
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.2.crl
unknown
—
—
whitelisted
7836
SIHClient.exe
GET
200
23.35.229.160:80
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
6404
RUXIMICS.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
—
—
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
3216
svchost.exe
172.211.123.250:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
6404
RUXIMICS.exe
23.216.77.28:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
6404
RUXIMICS.exe
23.35.229.160:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
7540
Testy.exe
100.100.210.114:8080
—
—
—
unknown
7836
SIHClient.exe
4.175.87.197:443
slscr.update.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
7836
SIHClient.exe
23.35.229.160:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.124.78.146
whitelisted
google.com
  • 142.250.185.78
whitelisted
client.wns.windows.com
  • 172.211.123.250
whitelisted
crl.microsoft.com
  • 23.216.77.28
  • 23.216.77.6
  • 23.216.77.42
whitelisted
www.microsoft.com
  • 23.35.229.160
whitelisted
slscr.update.microsoft.com
  • 4.175.87.197
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 40.69.42.241
whitelisted
activation-v2.sls.microsoft.com
  • 40.91.76.224
whitelisted
nexusrules.officeapps.live.com
  • 52.111.227.13
whitelisted
login.live.com
  • 40.126.32.134
  • 20.190.160.130
  • 40.126.32.74
  • 20.190.160.132
  • 40.126.32.138
  • 20.190.160.17
  • 20.190.160.131
  • 20.190.160.66
whitelisted

Threats

No threats detected
No debug info
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Reports
Testy.exe