File name:

sedsvc.exe

Full analysis: https://app.any.run/tasks/c99dd2a5-e0f1-43e8-b17e-2669ea65a63a
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.

Analysis date: May 24, 2025, 21:03:54
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
quasar
rat
evasion
auto-reg
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

AE5B84C6E41A7C6CDA147C5F0CF93B7F

SHA1:

CD5458914FB4BA66FE232B52607DCE36EC006D24

SHA256:

EE8AFF67F72B3EEC979B90ADF9AFC7866B9AF57AD6461C90FA33539306D25B3D

SSDEEP:

3072:0UDccrJQIqBzElWSWs/GBg5Aiym6O3fT847TlLkOCqaBlCw5x2bkc8xLeq5gsufr:WLHzElrAC8w62bkbxLR5g9pStT0

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 mutex has been found

      • sedsvc.exe (PID: 2656)
      • Update.exe (PID: 6108)
      • Update.exe (PID: 7000)
      • sedsvc.exe (PID: 2984)
    • Changes the autorun value in the registry

      • sedsvc.exe (PID: 2656)
      • Update.exe (PID: 6108)
    • QUASAR has been detected (YARA)

      • Update.exe (PID: 6108)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • sedsvc.exe (PID: 2656)
    • Starts itself from another location

      • sedsvc.exe (PID: 2656)
    • Checks for external IP

      • svchost.exe (PID: 2196)
      • sedsvc.exe (PID: 2656)
      • Update.exe (PID: 6108)
    • Connects to unusual port

      • Update.exe (PID: 6108)
    • Potential Corporate Privacy Violation

      • svchost.exe (PID: 2196)
    • There is functionality for taking screenshot (YARA)

      • Update.exe (PID: 6108)
  • INFO

    • Checks supported languages

      • sedsvc.exe (PID: 2656)
      • Update.exe (PID: 6108)
      • Update.exe (PID: 7000)
      • sedsvc.exe (PID: 2984)
    • Reads the computer name

      • sedsvc.exe (PID: 2656)
      • Update.exe (PID: 6108)
      • Update.exe (PID: 7000)
      • sedsvc.exe (PID: 2984)
    • Disables trace logs

      • sedsvc.exe (PID: 2656)
      • Update.exe (PID: 6108)
    • Reads the machine GUID from the registry

      • sedsvc.exe (PID: 2656)
      • Update.exe (PID: 6108)
      • Update.exe (PID: 7000)
      • sedsvc.exe (PID: 2984)
    • Checks proxy server information

      • sedsvc.exe (PID: 2656)
      • Update.exe (PID: 6108)
      • slui.exe (PID: 3176)
    • Creates files or folders in the user directory

      • sedsvc.exe (PID: 2656)
    • Auto-launch of the file from Registry key

      • sedsvc.exe (PID: 2656)
      • Update.exe (PID: 6108)
    • Manual execution by a user

      • Update.exe (PID: 7000)
      • sedsvc.exe (PID: 2984)
    • Reads the software policy settings

      • slui.exe (PID: 3176)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(6108) Update.exe
Version1.3.0.0
C2 (2)Quassar53-56065.portmap.io:56065
Sub_DirSteam32
Install_NameUpdate.exe
MutexQSR_MUTEX_rbU9CpLDEEpZX4Es5l
Startupsedsvc
Tagpc
LogDirLogs
Signature
Certificate
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: 2025:05:23 01:11:44+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 345600
InitializedDataSize: 3072
UninitializedDataSize: -
EntryPoint: 0x564ae
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.3.0.0
ProductVersionNumber: 1.3.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: -
FileVersion: 1.3.0.0
InternalName: Client.exe
LegalCopyright: -
LegalTrademarks: -
OriginalFileName: Client.exe
ProductName: -
ProductVersion: 1.3.0.0
AssemblyVersion: 1.3.0.0
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
127
Monitored processes
6
Malicious processes
4
Suspicious processes
1

Behavior graph

Click at the process to see the details
start #QUASAR sedsvc.exe #QUASAR update.exe svchost.exe #QUASAR update.exe no specs #QUASAR sedsvc.exe no specs slui.exe

Process information

PID
CMD
Path
Indicators
Parent process
2196C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s DnscacheC:\Windows\System32\svchost.exe
services.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\kernel.appcore.dll
2656"C:\Users\admin\Desktop\sedsvc.exe" C:\Users\admin\Desktop\sedsvc.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.3.0.0
Modules
Images
c:\users\admin\desktop\sedsvc.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
2984"C:\Users\admin\Desktop\sedsvc.exe"C:\Users\admin\Desktop\sedsvc.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.3.0.0
Modules
Images
c:\users\admin\desktop\sedsvc.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\advapi32.dll
3176C:\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
6108"C:\Users\admin\AppData\Roaming\Steam32\Update.exe"C:\Users\admin\AppData\Roaming\Steam32\Update.exe
sedsvc.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.3.0.0
Modules
Images
c:\users\admin\appdata\roaming\steam32\update.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
Quasar
(PID) Process(6108) Update.exe
Version1.3.0.0
C2 (2)Quassar53-56065.portmap.io:56065
Sub_DirSteam32
Install_NameUpdate.exe
MutexQSR_MUTEX_rbU9CpLDEEpZX4Es5l
Startupsedsvc
Tagpc
LogDirLogs
Signature
Certificate
7000"C:\Users\admin\AppData\Roaming\Steam32\Update.exe"C:\Users\admin\AppData\Roaming\Steam32\Update.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.3.0.0
Modules
Images
c:\users\admin\appdata\roaming\steam32\update.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\advapi32.dll
Total events
7 098
Read events
7 068
Write events
30
Delete events
0

Modification events

(PID) Process:(2656) sedsvc.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\sedsvc_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2656) sedsvc.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\sedsvc_RASAPI32
Operation:writeName:EnableAutoFileTracing
Value:
0
(PID) Process:(2656) sedsvc.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\sedsvc_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2656) sedsvc.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\sedsvc_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(2656) sedsvc.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\sedsvc_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(2656) sedsvc.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\sedsvc_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(2656) sedsvc.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\sedsvc_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(2656) sedsvc.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\sedsvc_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2656) sedsvc.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\sedsvc_RASMANCS
Operation:writeName:EnableAutoFileTracing
Value:
0
(PID) Process:(2656) sedsvc.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\sedsvc_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2656sedsvc.exeC:\Users\admin\AppData\Roaming\Steam32\Update.exeexecutable
MD5:AE5B84C6E41A7C6CDA147C5F0CF93B7F
SHA256:EE8AFF67F72B3EEC979B90ADF9AFC7866B9AF57AD6461C90FA33539306D25B3D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
25
TCP/UDP connections
50
DNS requests
17
Threats
8

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3332
RUXIMICS.exe
GET
200
2.16.168.124:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
6108
Update.exe
GET
200
208.95.112.1:80
http://ip-api.com/json/
unknown
whitelisted
GET
304
172.202.163.200:443
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
unknown
2656
sedsvc.exe
GET
200
208.95.112.1:80
http://ip-api.com/json/
unknown
whitelisted
GET
200
172.202.163.200:443
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
unknown
3332
RUXIMICS.exe
GET
200
2.23.246.101:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
1660
SIHClient.exe
GET
200
2.23.181.156:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.1.crl
unknown
whitelisted
1660
SIHClient.exe
GET
200
23.32.238.34:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl
unknown
whitelisted
1660
SIHClient.exe
GET
200
23.32.238.34:80
http://crl.microsoft.com/pki/crl/products/MicTimStaPCA_2010-07-01.crl
unknown
whitelisted
1660
SIHClient.exe
GET
200
2.23.181.156:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.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
4
System
192.168.100.255:138
whitelisted
3332
RUXIMICS.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
whitelisted
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3332
RUXIMICS.exe
2.16.168.124:80
crl.microsoft.com
Akamai International B.V.
RU
whitelisted
3332
RUXIMICS.exe
2.23.246.101:80
www.microsoft.com
Ooredoo Q.S.C.
QA
whitelisted
2656
sedsvc.exe
208.95.112.1:80
ip-api.com
TUT-AS
US
whitelisted
6108
Update.exe
208.95.112.1:80
ip-api.com
TUT-AS
US
whitelisted
6108
Update.exe
193.161.193.99:56065
Quassar53-56065.portmap.io
OOO Bitree Networks
RU
malicious
3216
svchost.exe
172.211.123.249:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 40.127.240.158
whitelisted
google.com
  • 142.250.185.238
whitelisted
crl.microsoft.com
  • 2.16.168.124
  • 2.16.168.114
  • 23.32.238.34
  • 2.19.198.194
whitelisted
www.microsoft.com
  • 2.23.246.101
  • 2.23.181.156
whitelisted
ip-api.com
  • 208.95.112.1
whitelisted
Quassar53-56065.portmap.io
  • 193.161.193.99
malicious
client.wns.windows.com
  • 172.211.123.249
whitelisted
slscr.update.microsoft.com
  • 172.202.163.200
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 40.69.42.241
whitelisted
activation-v2.sls.microsoft.com
  • 40.91.76.224
  • 20.83.72.98
whitelisted

Threats

PID
Process
Class
Message
Device Retrieving External IP Address Detected
INFO [ANY.RUN] External IP Check (ip-api .com)
Device Retrieving External IP Address Detected
ET INFO External IP Lookup ip-api.com
A Network Trojan was detected
ET MALWARE Common RAT Connectivity Check Observed
Device Retrieving External IP Address Detected
ET INFO External IP Lookup Domain in DNS Lookup (ip-api .com)
Device Retrieving External IP Address Detected
ET INFO External IP Lookup ip-api.com
A Network Trojan was detected
ET MALWARE Common RAT Connectivity Check Observed
Potential Corporate Privacy Violation
ET INFO DNS Query to a Reverse Proxy Service Observed
Misc activity
ET INFO DNS Query for Port Mapping/Tunneling Service Domain (.portmap .io)
No debug info