File name:

spectrum.exe

Full analysis: https://app.any.run/tasks/9d4612d3-3997-4336-921e-1a689cd70539
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: December 16, 2024, 07:08:42
OS: Windows 10 Professional (build: 19045, 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:

1441905FC4082EE6055EA39F5875A6C5

SHA1:

78F91F9F9FFE47E5F47E9844BD026D150146744E

SHA256:

1B05C4D74E0D17A983F9B91AA706A7A60F37EC270B7E2433D6798AFA1C7BE766

SSDEEP:

6144:x7WLUK8OeUAX3QcyBwCKTtqGNrvhhqOb8F9zrx/ppwdvLMeqo:x7WD8OeUAwDB4TM2LhhqpdrdwBL5J

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

      • spectrum.exe (PID: 6268)
      • Java Updater.exe (PID: 6444)

    • QUASAR has been detected (YARA)

      • Java Updater.exe (PID: 6444)

  • SUSPICIOUS

    • Starts itself from another location

      • spectrum.exe (PID: 6268)

    • Executable content was dropped or overwritten

      • spectrum.exe (PID: 6268)

    • Connects to unusual port

      • Java Updater.exe (PID: 6444)

  • INFO

    • Reads the machine GUID from the registry

      • spectrum.exe (PID: 6268)
      • Java Updater.exe (PID: 6444)

    • Checks supported languages

      • spectrum.exe (PID: 6268)
      • Java Updater.exe (PID: 6444)

    • Reads Environment values

      • spectrum.exe (PID: 6268)
      • Java Updater.exe (PID: 6444)

    • Reads the computer name

      • spectrum.exe (PID: 6268)
      • Java Updater.exe (PID: 6444)

    • The process uses the downloaded file

      • Java Updater.exe (PID: 6444)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(6444) Java Updater.exe
Version1.4.0
C2 (5)192.168.31.99:4782
2001:4bc9:1f98:a4e::676:4782
255.255.255.0:4782
fe80::cabf:4cff:fe84:9572%17:4782
Sub_DirSubDir
Install_NameJava Updater.exe
Mutex1f65a787-81b8-4955-95e4-b7751e10cd50
StartupJava Updater
TagOffice04
LogDirLogs
SignatureIpoC4G3VyXpCX73v8GLDgGX/ZD0uyJLyqReXAqvKNH4BzMk3aCKHatwBDnXbtrYfH96ChJhU2qLyWTlHJUq+HoFp5tRNEGlBaYc4IVl0lEBCjQsDf3wMCaU/2Ns/z3lVzh7AYhfCMb7L/mgf/ZfDTlEJasxUBvBxHVeahyU9WD2HTH2ZyabAt3fHWrcnpoZWMA40Zn+F5whQw5O7VIRpO5BFmYGBosHkSSeFe56cyRhha4rXQLWUx6ghioEm4px39T6OhjYSHUIArYzIM7z7hcOTAbXEgoZ7o6mG/GfLaECs...
CertificateMIIE9DCCAtygAwIBAgIQALWSoR4pE9fOZHv3Ui7LYTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTIyMTEyNDEwMTk1M1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAhOEJcBCuOOX0MDmITV+fSJpkL4NBxf1/CNJoEpUamratcDd5r9kc9hO+9tpd7DnFmZc5JQTa...
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: 2020:06:05 15:59:49+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 510464
InitializedDataSize: 3584
UninitializedDataSize: -
EntryPoint: 0x7e87e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.4.0.0
ProductVersionNumber: 1.4.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: Quasar Client
FileVersion: 1.4.0
InternalName: Client.exe
LegalCopyright: Copyright © MaxXor 2020
LegalTrademarks: -
OriginalFileName: Client.exe
ProductName: Quasar
ProductVersion: 1.4.0
AssemblyVersion: 1.4.0.0
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
129
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start spectrum.exe #QUASAR java updater.exe

Process information

PID
CMD
Path
Indicators
Parent process
6268"C:\Users\admin\AppData\Local\Temp\spectrum.exe" C:\Users\admin\AppData\Local\Temp\spectrum.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Exit code:
0
Version:
1.4.0
Modules
Images
c:\users\admin\appdata\local\temp\spectrum.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
6444"C:\Users\admin\AppData\Roaming\SubDir\Java Updater.exe"C:\Users\admin\AppData\Roaming\SubDir\Java Updater.exe
spectrum.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Version:
1.4.0
Modules
Images
c:\users\admin\appdata\roaming\subdir\java updater.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(6444) Java Updater.exe
Version1.4.0
C2 (5)192.168.31.99:4782
2001:4bc9:1f98:a4e::676:4782
255.255.255.0:4782
fe80::cabf:4cff:fe84:9572%17:4782
Sub_DirSubDir
Install_NameJava Updater.exe
Mutex1f65a787-81b8-4955-95e4-b7751e10cd50
StartupJava Updater
TagOffice04
LogDirLogs
SignatureIpoC4G3VyXpCX73v8GLDgGX/ZD0uyJLyqReXAqvKNH4BzMk3aCKHatwBDnXbtrYfH96ChJhU2qLyWTlHJUq+HoFp5tRNEGlBaYc4IVl0lEBCjQsDf3wMCaU/2Ns/z3lVzh7AYhfCMb7L/mgf/ZfDTlEJasxUBvBxHVeahyU9WD2HTH2ZyabAt3fHWrcnpoZWMA40Zn+F5whQw5O7VIRpO5BFmYGBosHkSSeFe56cyRhha4rXQLWUx6ghioEm4px39T6OhjYSHUIArYzIM7z7hcOTAbXEgoZ7o6mG/GfLaECs...
CertificateMIIE9DCCAtygAwIBAgIQALWSoR4pE9fOZHv3Ui7LYTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTIyMTEyNDEwMTk1M1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAhOEJcBCuOOX0MDmITV+fSJpkL4NBxf1/CNJoEpUamratcDd5r9kc9hO+9tpd7DnFmZc5JQTa...
Total events
559
Read events
557
Write events
2
Delete events
0

Modification events

(PID) Process:(6444) Java Updater.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Java Updater
Value:
"C:\Users\admin\AppData\Roaming\SubDir\Java Updater.exe"
(PID) Process:(6268) spectrum.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Java Updater
Value:
"C:\Users\admin\AppData\Local\Temp\spectrum.exe"
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
6268spectrum.exeC:\Users\admin\AppData\Roaming\SubDir\Java Updater.exeexecutable
MD5:1441905FC4082EE6055EA39F5875A6C5
SHA256:1B05C4D74E0D17A983F9B91AA706A7A60F37EC270B7E2433D6798AFA1C7BE766
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
36
DNS requests
18
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
—
—
GET
200
23.216.77.31:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
—
—
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
—
—
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
—
—
whitelisted
1176
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
6372
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
—
—
whitelisted
6292
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
—
—
whitelisted
6292
SIHClient.exe
GET
200
184.30.21.171:80
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
3996
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
192.168.100.255:137
—
—
—
whitelisted
4712
MoUsoCoreWorker.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
23.216.77.31:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
—
—
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
5064
SearchApp.exe
104.126.37.155:443
www.bing.com
Akamai International B.V.
DE
whitelisted
—
—
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
1176
svchost.exe
20.190.160.22:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
  • 51.104.136.2
whitelisted
google.com
  • 172.217.18.14
whitelisted
crl.microsoft.com
  • 23.216.77.31
  • 23.216.77.21
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
www.bing.com
  • 104.126.37.155
  • 104.126.37.152
  • 104.126.37.160
  • 104.126.37.163
  • 104.126.37.171
  • 104.126.37.170
  • 104.126.37.162
  • 104.126.37.161
  • 104.126.37.153
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
login.live.com
  • 20.190.160.22
  • 40.126.32.72
  • 20.190.160.17
  • 40.126.32.76
  • 40.126.32.134
  • 40.126.32.133
  • 40.126.32.138
  • 20.190.160.20
whitelisted
go.microsoft.com
  • 23.218.210.69
whitelisted
arc.msn.com
  • 20.199.58.43
whitelisted
fd.api.iris.microsoft.com
  • 20.199.58.43
whitelisted

Threats

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