File name:

version.dll_new

Full analysis: https://app.any.run/tasks/440b7f19-eff9-4cd9-ad7c-862e239dbd1d
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: August 23, 2024, 18:12:46
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
quasar
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5:

9E94126E8A26EFD10B2A5B179D64BE90

SHA1:

8AFC58D0518BA0B03956F2897C420B1A5132EFA9

SHA256:

6BDCD10A2434861F81F6DC75BD2B40F3AA847ADB4B358AB6855D1C760A3090A1

SSDEEP:

98304:USddgwCgjTDwm112/bGSfqOnoM3Ep792zonKXlticJJbYMly5CSopPu+1lzGrN0G:tMgmMxx

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 login/logoff helper path in the registry

      • rundll32.exe (PID: 2260)

    • QUASAR has been detected (YARA)

      • rundll32.exe (PID: 2260)

  • SUSPICIOUS

    • Process drops legitimate windows executable

      • rundll32.exe (PID: 2260)

    • Drops the executable file immediately after the start

      • rundll32.exe (PID: 2260)

  • INFO

    • Reads the computer name

      • wmpnscfg.exe (PID: 3564)

    • Checks supported languages

      • wmpnscfg.exe (PID: 3564)

    • Manual execution by a user

      • wmpnscfg.exe (PID: 3564)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(2260) rundll32.exe
Version1.4.1
C2 (2)216.74.123.97:4783
Sub_DirSubDir
Install_NameClient.exe
Mutex119b3cf8-7838-4346-af21-cf49d01ddc86
StartupRSewiz Client Startup
TagftMQPwsMnB
LogDirLogs
SignatureUsPxDCl95cHhYUw6ScVGzchM5Iq4Tj9sVPnpyEvk5RAOL9EA/nwErL/E+kYkoZxfyPoZQSlQAzeqc2mcrF4F1yzYjADlnxkJ/m6tCau0zo3b9z5egm1H/HTWWlYAMdVM+PaEaELbEcYpIJP2/gRYswUUTCU6c7X/0CBeBLzDdIVnWAnccscqZKFGu+h7qXqmExLnebdYjf5VrUj+T/RVqylEwZDrzm/9yOua3aGtegiB9A8mtgwW9gPUsJ+lbFkh9ZoM0ghT5+ipUjHyvL6KracLXKCvCC2R1oQj55ivjMDt...
CertificateMIIE9DCCAtygAwIBAgIQAIee27xpWQiMQFxxivo9nzANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBSU2V3aXogU2VydmVyIENBMCAXDTI0MDgwODA3MjUzM1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBSU2V3aXogU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAgLpK/n/pSjNpH6v17dsglRg0FvncO8+rGJlhZqtj04OUL2BKu9OUHdgWFB2F0nOwG++4+L59...
No Malware configuration.

TRiD

.exe | Win32 Executable (generic) (52.9)
.exe | Generic Win/DOS Executable (23.5)
.exe | DOS Executable Generic (23.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2024:08:23 06:37:11+00:00
ImageFileCharacteristics: Executable, 32-bit, DLL
PEType: PE32
LinkerVersion: 14.27
CodeSize: 9216
InitializedDataSize: 3316736
UninitializedDataSize: -
EntryPoint: 0x2517
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 6.2.19041.3636
ProductVersionNumber: 10.0.19041.3636
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Dynamic link library
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Microsoft Corporation
FileDescription: Version Checking and File Installation Libraries
FileVersion: 6.2.19041.3636 (WinBuild.160101.0800)
InternalName: version
LegalCopyright: ⓒ Microsoft Corporation. All rights reserved.
OriginalFileName: VERSION.DLL
ProductName: Microsoft® Windows® Operating System
ProductVersion: 10.0.19041.3636
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #QUASAR rundll32.exe wmpnscfg.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2260"C:\Windows\System32\rundll32.exe" C:\Users\admin\AppData\Local\Temp\version.dll_new.dll, #1C:\Windows\System32\rundll32.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
Quasar
(PID) Process(2260) rundll32.exe
Version1.4.1
C2 (2)216.74.123.97:4783
Sub_DirSubDir
Install_NameClient.exe
Mutex119b3cf8-7838-4346-af21-cf49d01ddc86
StartupRSewiz Client Startup
TagftMQPwsMnB
LogDirLogs
SignatureUsPxDCl95cHhYUw6ScVGzchM5Iq4Tj9sVPnpyEvk5RAOL9EA/nwErL/E+kYkoZxfyPoZQSlQAzeqc2mcrF4F1yzYjADlnxkJ/m6tCau0zo3b9z5egm1H/HTWWlYAMdVM+PaEaELbEcYpIJP2/gRYswUUTCU6c7X/0CBeBLzDdIVnWAnccscqZKFGu+h7qXqmExLnebdYjf5VrUj+T/RVqylEwZDrzm/9yOua3aGtegiB9A8mtgwW9gPUsJ+lbFkh9ZoM0ghT5+ipUjHyvL6KracLXKCvCC2R1oQj55ivjMDt...
CertificateMIIE9DCCAtygAwIBAgIQAIee27xpWQiMQFxxivo9nzANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBSU2V3aXogU2VydmVyIENBMCAXDTI0MDgwODA3MjUzM1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBSU2V3aXogU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAgLpK/n/pSjNpH6v17dsglRg0FvncO8+rGJlhZqtj04OUL2BKu9OUHdgWFB2F0nOwG++4+L59...
3564"C:\Program Files\Windows Media Player\wmpnscfg.exe"C:\Program Files\Windows Media Player\wmpnscfg.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Media Player Network Sharing Service Configuration Application
Exit code:
0
Version:
12.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\windows media player\wmpnscfg.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Total events
198
Read events
197
Write events
1
Delete events
0

Modification events

(PID) Process:(2260) rundll32.exeKey:HKEY_CURRENT_USER\Environment
Operation:writeName:UserInitMprLogonScript
Value:
C:\Windows\System32\rundll32.exe
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
4
TCP/UDP connections
12
DNS requests
6
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1372
svchost.exe
GET
304
217.20.57.39:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?33775f6043c93e33
unknown
—
—
whitelisted
1060
svchost.exe
GET
304
93.184.221.240:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?8f69642324cc87bd
unknown
—
—
whitelisted
1372
svchost.exe
GET
200
23.48.23.180:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
1372
svchost.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.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
—
—
239.255.255.250:3702
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
—
—
224.0.0.252:5355
—
—
—
whitelisted
1060
svchost.exe
224.0.0.252:5355
—
—
—
whitelisted
1372
svchost.exe
40.127.240.158:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
1372
svchost.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
1372
svchost.exe
217.20.57.39:80
ctldl.windowsupdate.com
—
US
unknown
1372
svchost.exe
23.48.23.180:80
crl.microsoft.com
Akamai International B.V.
DE
unknown
1372
svchost.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
unknown

DNS requests

Domain
IP
Reputation
google.com
  • 216.58.206.46
whitelisted
settings-win.data.microsoft.com
  • 51.124.78.146
whitelisted
ctldl.windowsupdate.com
  • 217.20.57.39
  • 217.20.57.26
  • 217.20.57.40
  • 217.20.57.22
  • 217.20.57.27
  • 217.20.57.38
  • 93.184.221.240
whitelisted
crl.microsoft.com
  • 23.48.23.180
  • 23.48.23.143
  • 23.48.23.193
  • 23.48.23.158
  • 23.48.23.183
  • 23.48.23.169
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
version.dll_new