File name:

btx.it.com

Full analysis: https://app.any.run/tasks/973ff034-50bd-48eb-8fe5-d69e6e2a0439
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 10, 2026, 12:48:13
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
auto-reg
quasar
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

4FE45D9001B8B19E9412699421D90823

SHA1:

71223B62F68A2DA6C70276DA7A9518F6C897CCE0

SHA256:

AE9AFBCFC6391B25C462A02517DD82FC6899BC2C32C4C4A24DF69BFC0AD82CDF

SSDEEP:

49152:Co4atkWn2lgtzqoLD7tceaDilX37Ud//sX/3Dge41+KJbyXlweoRcwdTFgJvx30c:p2lgdqoLD7tceaDilX37UdnQDgDyme

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

      • btx.it.com.exe (PID: 8008)

    • QUASAR has been detected (YARA)

      • btx.it.com.exe (PID: 8008)

  • SUSPICIOUS

    No suspicious indicators.

  • INFO

    • Checks supported languages

      • btx.it.com.exe (PID: 8008)

    • Reads the machine GUID from the registry

      • btx.it.com.exe (PID: 8008)

    • Reads Environment values

      • btx.it.com.exe (PID: 8008)

    • Launching a file from a Registry key

      • btx.it.com.exe (PID: 8008)

    • Reads the computer name

      • btx.it.com.exe (PID: 8008)

    • Reads security settings of Internet Explorer

      • btx.it.com.exe (PID: 8008)

    • There is functionality for taking screenshot (YARA)

      • btx.it.com.exe (PID: 8008)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(8008) btx.it.com.exe
C2 (4)btx.it.com:8080
btx.it.com:80
btx.it.com:443
btx.it.com:8443
Version1.4.1
Sub_DirSubDir
Install_NameClient.exe
Mutexdc84e7d7-1880-44d7-b9b1-977a69077998
Startuphttps://btx.it.com
Tagbtx.it.com
LogDirLogs
SignaturebxsA9MjFzOpUathKdBethD6nE1PWm7xqh+1XZlZH6bXqH68dF5CHn9Kqo8Xbv0TItj6aYz2nQHy2KxGiBjQD2QcQAamdZy144YvE/hYbkbagspM2+nvECMXEJ9N8XDQ8Cah5pjNYI5DaOme1qExk0e2M92thhy5Jw+pROW90YVtjEgTgI16CF6Ju6OGyXaTWI4KDCuz2nw+2ZkySLYZNg0uXfqdJnL78iBKjTVFxw5td3BO9FEaAsjzX++OLzhWifS2cm5zfEzfQ/kGVVJSsnmm1zKH/okWS7bE+oFNIdgUZ...
CertificateMIIE9DCCAtygAwIBAgIQAOe5Ko+kY8HN7lXuJXSprTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI2MDMxNTE0MTAyMFoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAkuDzjpb4utVLLgaX3OPSVEpXtMBLuKmN/8O07fWwvIEVROV9JmCCAMimKPfLsY134p0k4Wfu...
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: 0x31e45e
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
135
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #QUASAR btx.it.com.exe slui.exe

Process information

PID
CMD
Path
Indicators
Parent process
3340C:\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
8008"C:\Users\admin\Desktop\btx.it.com.exe" C:\Users\admin\Desktop\btx.it.com.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Version:
1.4.1
Modules
Images
c:\users\admin\desktop\btx.it.com.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(8008) btx.it.com.exe
C2 (4)btx.it.com:8080
btx.it.com:80
btx.it.com:443
btx.it.com:8443
Version1.4.1
Sub_DirSubDir
Install_NameClient.exe
Mutexdc84e7d7-1880-44d7-b9b1-977a69077998
Startuphttps://btx.it.com
Tagbtx.it.com
LogDirLogs
SignaturebxsA9MjFzOpUathKdBethD6nE1PWm7xqh+1XZlZH6bXqH68dF5CHn9Kqo8Xbv0TItj6aYz2nQHy2KxGiBjQD2QcQAamdZy144YvE/hYbkbagspM2+nvECMXEJ9N8XDQ8Cah5pjNYI5DaOme1qExk0e2M92thhy5Jw+pROW90YVtjEgTgI16CF6Ju6OGyXaTWI4KDCuz2nw+2ZkySLYZNg0uXfqdJnL78iBKjTVFxw5td3BO9FEaAsjzX++OLzhWifS2cm5zfEzfQ/kGVVJSsnmm1zKH/okWS7bE+oFNIdgUZ...
CertificateMIIE9DCCAtygAwIBAgIQAOe5Ko+kY8HN7lXuJXSprTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI2MDMxNTE0MTAyMFoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAkuDzjpb4utVLLgaX3OPSVEpXtMBLuKmN/8O07fWwvIEVROV9JmCCAMimKPfLsY134p0k4Wfu...
Total events
6 964
Read events
6 962
Write events
2
Delete events
0

Modification events

(PID) Process:(8008) btx.it.com.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:https://btx.it.com
Value:
"C:\Users\admin\AppData\Roaming\SubDir\Client.exe"
(PID) Process:(3340) slui.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\3d\52C64B7E
Operation:writeName:@%SystemRoot%\System32\sppcomapi.dll,-3200
Value:
Software Licensing
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
51
TCP/UDP connections
52
DNS requests
21
Threats
1

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5276
MoUsoCoreWorker.exe
GET
304
51.104.136.2:443
https://settings-win.data.microsoft.com/settings/v3.0/wsd/muse?ProcessorClockSpeed=3094&FlightIds=&UpdateOfferedDays=4294967295&BranchReadinessLevel=CB&OEMManufacturerName=DELL&IsCloudDomainJoined=0&ProcessorIdentifier=AMD64%20Family%2023%20Model%201%20Stepping%202&sku=48&ActivationChannel=Retail&AttrDataVer=186&IsMDMEnrolled=0&ProcessorCores=6&ProcessorModel=AMD%20Ryzen%205%203500%206-Core%20Processor&TotalPhysicalRAM=6144&PrimaryDiskType=4294967295&FlightingBranchName=&ChassisTypeId=1&OEMModelNumber=DELL&SystemVolumeTotalCapacity=260281&sampleId=95271487&deviceClass=Windows.Desktop&App=muse&DisableDualScan=0&AppVer=10.0&OEMSubModel=J5CR&locale=en-US&IsAlwaysOnAlwaysConnectedCapable=0&ms=0&DefaultUserRegion=244&UpdateServiceUrl=http%3A%2F%2Fneverupdatewindows10.com&osVer=10.0.19045.4046.amd64fre.vb_release.191206-1406&os=windows&deviceId=s%3ABAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&DeferQualityUpdatePeriodInDays=0&ring=Retail&DeferFeatureUpdatePeriodInDays=30
US
—
—
whitelisted
932
SIHClient.exe
GET
304
74.179.77.204:443
https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL
US
—
—
whitelisted
3340
slui.exe
POST
500
48.192.1.65:443
https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail
US
text
512 b
whitelisted
5316
svchost.exe
POST
200
20.190.159.64:443
https://login.live.com/RST2.srf
US
—
—
whitelisted
3340
slui.exe
POST
500
48.192.1.64:443
https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail
US
text
512 b
whitelisted
5316
svchost.exe
POST
200
20.190.160.22:443
https://login.live.com/RST2.srf
US
xml
1.24 Kb
whitelisted
5316
svchost.exe
POST
400
20.190.159.64:443
https://login.live.com/ppsecure/deviceaddcredential.srf
US
binary
203 b
whitelisted
5316
svchost.exe
POST
400
20.190.160.22:443
https://login.live.com/ppsecure/deviceaddcredential.srf
US
binary
203 b
whitelisted
—
—
POST
400
20.190.159.64:443
https://login.live.com/ppsecure/deviceaddcredential.srf
US
binary
203 b
whitelisted
5316
svchost.exe
POST
400
20.190.160.22:443
https://login.live.com/ppsecure/deviceaddcredential.srf
US
binary
203 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
192.168.100.255:137
—
Not routed
—
whitelisted
7984
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
5276
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
5412
slui.exe
48.192.1.64:443
activation-v2.sls.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
—
—
184.86.251.15:443
www.bing.com
AKAMAI-ASN1
NL
whitelisted
4
System
192.168.100.255:138
—
Not routed
—
whitelisted
7984
svchost.exe
23.216.77.36:80
crl.microsoft.com
AKAMAI-ASN1
NL
whitelisted
7984
svchost.exe
88.221.169.152:80
www.microsoft.com
AKAMAI-AS
US
whitelisted
5276
MoUsoCoreWorker.exe
88.221.169.152:80
www.microsoft.com
AKAMAI-AS
US
whitelisted
8008
btx.it.com.exe
104.21.35.41:8080
btx.it.com
CLOUDFLARENET
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
  • 51.124.78.146
whitelisted
activation-v2.sls.microsoft.com
  • 48.192.1.64
whitelisted
www.bing.com
  • 184.86.251.15
  • 184.86.251.14
  • 184.86.251.18
  • 184.86.251.7
  • 184.86.251.11
  • 184.86.251.10
  • 184.86.251.16
  • 184.86.251.12
  • 184.86.251.13
whitelisted
google.com
  • 142.251.20.139
  • 142.251.20.113
  • 142.251.20.102
  • 142.251.20.101
  • 142.251.20.138
  • 142.251.20.100
whitelisted
crl.microsoft.com
  • 23.216.77.36
  • 23.216.77.25
  • 23.216.77.20
  • 23.216.77.28
  • 23.216.77.30
  • 23.216.77.15
  • 23.216.77.19
  • 23.216.77.34
  • 23.216.77.26
  • 23.216.77.41
  • 23.216.77.29
  • 23.216.77.21
whitelisted
www.microsoft.com
  • 88.221.169.152
  • 23.58.106.108
  • 23.46.189.219
whitelisted
btx.it.com
  • 104.21.35.41
  • 172.67.213.46
unknown
client.wns.windows.com
  • 172.211.123.250
whitelisted
login.live.com
  • 20.190.160.22
  • 20.190.160.128
  • 20.190.160.17
  • 40.126.32.133
  • 40.126.32.140
  • 20.190.160.2
  • 20.190.160.66
  • 20.190.160.131
whitelisted
slscr.update.microsoft.com
  • 74.179.77.204
whitelisted

Threats

PID
Process
Class
Message
5276
MoUsoCoreWorker.exe
Unknown Traffic
ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW)
No debug info
Interactive malware hunting service ANY.RUN
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Reports
btx.it.com