File name:

95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe

Full analysis: https://app.any.run/tasks/5819b64b-d768-4d20-98f8-e7769068181d
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: December 14, 2024, 12:07:13
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:

E80F9A2D968A10CE2BBD655666BEFE8C

SHA1:

D56125DA872BDA98B592DF56BAF7FBFDEFF94B6D

SHA256:

95F172A69BB9E7310BF636D76E310EC9603601E488473F2BDFE3C0E7DD2B9667

SSDEEP:

49152:QdQiXe62WWr1ey637+Yk/DRlJOu5CRdIw5/3Dg61RADAY5oszvT9oGuDZIHHE22T:O2WW5ey637+Yk/DRlJOu5CX/DghoMm

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)

      • System.exe (PID: 6496)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • 95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe (PID: 6456)
    • Starts itself from another location

      • 95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe (PID: 6456)
    • The process creates files with name similar to system file names

      • 95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe (PID: 6456)
    • Connects to unusual port

      • System.exe (PID: 6496)
  • INFO

    • Creates files or folders in the user directory

      • 95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe (PID: 6456)
    • Reads the computer name

      • 95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe (PID: 6456)
      • System.exe (PID: 6496)
    • Checks supported languages

      • 95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe (PID: 6456)
      • System.exe (PID: 6496)
    • Reads Environment values

      • 95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe (PID: 6456)
      • System.exe (PID: 6496)
    • The process uses the downloaded file

      • 95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe (PID: 6456)
      • System.exe (PID: 6496)
    • Reads the machine GUID from the registry

      • 95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe (PID: 6456)
      • System.exe (PID: 6496)
    • Reads the software policy settings

      • System.exe (PID: 6496)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(6496) System.exe
CertificateMIIE9DCCAtygAwIBAgIQAKtZ3rBz3SfDdWZeIlOekTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MDUxMDIyNDc1NloYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEApiPNqQ08cVYfhFD8tECn1d++xHGM0XquhiMvNb7ESPo2Pt4PwTVZv9UzXf+6gXlD8dhOKTcU...
SignatureimTqvJ5BLZg8q7C3w6d0sDYPmkDsLlg+6IClH4yJHTsdO/lUkzfPCdkWZKJ6N957hO316PyvfhYgSL6I0eSrmsIoXUJqDMo8ZnUox3DzZoZvckIeFDvz7+sRC833w+YiMoj6Yzsl195xMWqr5cFmZLIimvoAM4gYmZNxclIn4cNxLnCLURKAe711UKSRiwsoylGrkRmMyJ0r7sTpfiqx4kV5nFOD+GUtND9TV87YSlKqCi/NMaMnuHf4v8QBRUR4mIoNRlHPoVhoDhGE1d5O7w70Dbmz6aB6xL3OkyZ2sxUl...
LogDirLogs
Tagbotnet
StartupOffice
Mutex713051d4-4ad4-4ad0-b2ed-4ddd8fe2349d
Install_NameSystem.exe
Sub_DirWinrar
C2 (4)165.227.31.192:22069
193.161.193.99:64425
193.161.193.99:60470
Version1.4.1
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: 2024:06:01 16:58:18+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 3261952
InitializedDataSize: 3584
UninitializedDataSize: -
EntryPoint: 0x31e44e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.0
ProductVersionNumber: 1.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: -
FileVersion: 1.0.0.0
InternalName: -
LegalCopyright: -
LegalTrademarks: -
OriginalFileName: -
ProductName: -
ProductVersion: 1.0.0.0
AssemblyVersion: 1.0.0.0
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
118
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start 95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe #QUASAR system.exe

Process information

PID
CMD
Path
Indicators
Parent process
6456"C:\Users\admin\Desktop\95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe" C:\Users\admin\Desktop\95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3
Version:
1.0.0.0
Modules
Images
c:\users\admin\desktop\95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.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
6496"C:\Users\admin\AppData\Roaming\Winrar\System.exe"C:\Users\admin\AppData\Roaming\WinRAR\System.exe
95f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\roaming\winrar\system.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(6496) System.exe
CertificateMIIE9DCCAtygAwIBAgIQAKtZ3rBz3SfDdWZeIlOekTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MDUxMDIyNDc1NloYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEApiPNqQ08cVYfhFD8tECn1d++xHGM0XquhiMvNb7ESPo2Pt4PwTVZv9UzXf+6gXlD8dhOKTcU...
SignatureimTqvJ5BLZg8q7C3w6d0sDYPmkDsLlg+6IClH4yJHTsdO/lUkzfPCdkWZKJ6N957hO316PyvfhYgSL6I0eSrmsIoXUJqDMo8ZnUox3DzZoZvckIeFDvz7+sRC833w+YiMoj6Yzsl195xMWqr5cFmZLIimvoAM4gYmZNxclIn4cNxLnCLURKAe711UKSRiwsoylGrkRmMyJ0r7sTpfiqx4kV5nFOD+GUtND9TV87YSlKqCi/NMaMnuHf4v8QBRUR4mIoNRlHPoVhoDhGE1d5O7w70Dbmz6aB6xL3OkyZ2sxUl...
LogDirLogs
Tagbotnet
StartupOffice
Mutex713051d4-4ad4-4ad0-b2ed-4ddd8fe2349d
Install_NameSystem.exe
Sub_DirWinrar
C2 (4)165.227.31.192:22069
193.161.193.99:64425
193.161.193.99:60470
Version1.4.1
Total events
3 471
Read events
3 471
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
645695f172a69bb9e7310bf636d76e310ec9603601e488473f2bdfe3c0e7dd2b9667.exeC:\Users\admin\AppData\Roaming\WinRAR\System.exeexecutable
MD5:E80F9A2D968A10CE2BBD655666BEFE8C
SHA256:95F172A69BB9E7310BF636D76E310EC9603601E488473F2BDFE3C0E7DD2B9667
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
63
DNS requests
7
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
4712
MoUsoCoreWorker.exe
GET
200
23.48.23.143:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
2356
svchost.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
2356
svchost.exe
GET
200
23.48.23.143:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.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
192.168.100.255:137
whitelisted
2356
svchost.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4712
MoUsoCoreWorker.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
104.126.37.130:443
www.bing.com
Akamai International B.V.
DE
whitelisted
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4
System
192.168.100.255:138
whitelisted
4712
MoUsoCoreWorker.exe
23.48.23.143:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
2356
svchost.exe
23.48.23.143:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
6496
System.exe
165.227.31.192:22069
DIGITALOCEAN-ASN
US
malicious
2356
svchost.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 20.73.194.208
whitelisted
www.bing.com
  • 104.126.37.130
  • 104.126.37.129
  • 104.126.37.178
  • 104.126.37.171
  • 104.126.37.170
  • 104.126.37.123
  • 104.126.37.131
  • 104.126.37.185
  • 104.126.37.179
whitelisted
google.com
  • 142.250.185.206
whitelisted
crl.microsoft.com
  • 23.48.23.143
  • 23.48.23.156
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
self.events.data.microsoft.com
  • 52.168.117.169
whitelisted

Threats

No threats detected
No debug info