File name:

USBDriverTemp.tmp.exe

Full analysis: https://app.any.run/tasks/a84176fd-08d7-4f8e-acfc-8423c82cae1e
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 29, 2025, 10:34:40
OS: Windows 10 Professional (build: 19044, 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:

7EF3E82CADD3404D948FE8C4DB47B6A7

SHA1:

44829D985B25AB1BB3F7D9068A54B56CECD5AF22

SHA256:

C8D3289326B615ABBEE41EC1E22F268308DCDECF59F0795AB5106C3D75B2D32B

SSDEEP:

49152:I6gGOhX02hD2nPiLq3A6770DODdl/rADxXhCk/3DguU9IA9j7JoOXOXVttgTzvCv:A2nP6q3A6770DODdl/rADxRLDg+g0T

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)

      • USBDriverTemp.tmp.exe (PID: 4040)

  • SUSPICIOUS

    • There is functionality for taking screenshot (YARA)

      • USBDriverTemp.tmp.exe (PID: 4040)

  • INFO

    • Checks proxy server information

      • slui.exe (PID: 516)

    • Reads the software policy settings

      • slui.exe (PID: 516)

    • Reads Environment values

      • USBDriverTemp.tmp.exe (PID: 4040)

    • Reads the machine GUID from the registry

      • USBDriverTemp.tmp.exe (PID: 4040)

    • Checks supported languages

      • USBDriverTemp.tmp.exe (PID: 4040)

    • Reads the computer name

      • USBDriverTemp.tmp.exe (PID: 4040)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(4040) USBDriverTemp.tmp.exe
Version1.4.1
C2 (2)127.0.0.1:4782
Sub_DirUSBData
Install_NameUSBDriverTemp.tmp.exe
Mutex6e505d81-ca45-4d2a-82e6-a78c00d79544
StartupUSB Driver
TagOffice04
LogDirLogs
SignatureL5hgvehzRn0VyAGvXrptgLLMPsU49Elej6YONj5GC+AGVnaO7hAmhw5XrI3VmL5E108x6CLtGenPVDS9IYTyx8qRR9zr/6rIDrSreLjNDiK9QK6x+zSQKCBQgHxjQ5gQ4UcB7xB1L4djGW8Kze6rbxLLOWqK0C8jPw6WYQ1YDkwl3tUl9qgXU5g3MdfarBSRRPK9C3oLyY5xwn12noShuAYaZyfGFn6duv5h6PlIOXYGa26X3kC7AbNX7h2zzruPQ18qqYEKbiWk0jWP3djKVmh6CNGoIRikBPzham9oKosF...
CertificateMIIE9DCCAtygAwIBAgIQAOb9V60q5/1Zj+5xLds8ezANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI1MDQyNzEwMjc1OFoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAziqUfdfip/x7Y38bYwiLXVeOdpf4k2sSpEAFGtJ2fk9VW3wdq0vfj/Si4r0ccu0dEnV6P2L1...
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: 3261440
InitializedDataSize: 3584
UninitializedDataSize: -
EntryPoint: 0x31e3be
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
122
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #QUASAR usbdrivertemp.tmp.exe no specs slui.exe

Process information

PID
CMD
Path
Indicators
Parent process
516C:\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
4040"C:\Users\admin\Desktop\USBDriverTemp.tmp.exe" C:\Users\admin\Desktop\USBDriverTemp.tmp.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Version:
1.4.1
Modules
Images
c:\users\admin\desktop\usbdrivertemp.tmp.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(4040) USBDriverTemp.tmp.exe
Version1.4.1
C2 (2)127.0.0.1:4782
Sub_DirUSBData
Install_NameUSBDriverTemp.tmp.exe
Mutex6e505d81-ca45-4d2a-82e6-a78c00d79544
StartupUSB Driver
TagOffice04
LogDirLogs
SignatureL5hgvehzRn0VyAGvXrptgLLMPsU49Elej6YONj5GC+AGVnaO7hAmhw5XrI3VmL5E108x6CLtGenPVDS9IYTyx8qRR9zr/6rIDrSreLjNDiK9QK6x+zSQKCBQgHxjQ5gQ4UcB7xB1L4djGW8Kze6rbxLLOWqK0C8jPw6WYQ1YDkwl3tUl9qgXU5g3MdfarBSRRPK9C3oLyY5xwn12noShuAYaZyfGFn6duv5h6PlIOXYGa26X3kC7AbNX7h2zzruPQ18qqYEKbiWk0jWP3djKVmh6CNGoIRikBPzham9oKosF...
CertificateMIIE9DCCAtygAwIBAgIQAOb9V60q5/1Zj+5xLds8ezANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI1MDQyNzEwMjc1OFoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAziqUfdfip/x7Y38bYwiLXVeOdpf4k2sSpEAFGtJ2fk9VW3wdq0vfj/Si4r0ccu0dEnV6P2L1...
Total events
3 539
Read events
3 539
Write events
0
Delete events
0

Modification events

No data
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
23
TCP/UDP connections
43
DNS requests
13
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
—
—
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
—
—
—
—
—
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
—
—
—
6032
SIHClient.exe
GET
200
23.48.23.176:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
—
—
GET
200
20.242.39.171:443
https://fe3cr.delivery.mp.microsoft.com/clientwebservice/ping
unknown
—
—
—
6032
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.1.crl
unknown
—
—
whitelisted
6032
SIHClient.exe
GET
200
23.48.23.176:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl
unknown
—
—
whitelisted
6032
SIHClient.exe
GET
200
23.48.23.176:80
http://crl.microsoft.com/pki/crl/products/MicTimStaPCA_2010-07-01.crl
unknown
—
—
whitelisted
6032
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
—
—
whitelisted
6032
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.1.crl
unknown
—
—
whitelisted
6032
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.2.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
192.168.100.255:137
—
—
—
whitelisted
—
—
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
3216
svchost.exe
172.211.123.249:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
6032
SIHClient.exe
172.202.163.200:443
slscr.update.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
GB
whitelisted
6032
SIHClient.exe
23.48.23.176:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
6032
SIHClient.exe
23.35.229.160:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
6032
SIHClient.exe
20.242.39.171:443
fe3cr.delivery.mp.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
3300
slui.exe
40.91.76.224:443
activation-v2.sls.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6544
svchost.exe
40.126.31.129:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
whitelisted
google.com
  • 142.250.185.142
whitelisted
client.wns.windows.com
  • 172.211.123.249
  • 172.211.123.248
whitelisted
slscr.update.microsoft.com
  • 172.202.163.200
whitelisted
crl.microsoft.com
  • 23.48.23.176
  • 23.48.23.143
whitelisted
www.microsoft.com
  • 23.35.229.160
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.242.39.171
whitelisted
activation-v2.sls.microsoft.com
  • 40.91.76.224
whitelisted
nexusrules.officeapps.live.com
  • 52.111.243.30
whitelisted
login.live.com
  • 40.126.31.129
  • 20.190.159.64
  • 40.126.31.73
  • 40.126.31.130
  • 40.126.31.128
  • 20.190.159.68
  • 20.190.159.129
  • 20.190.159.0
whitelisted

Threats

No threats detected
No debug info
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Reports
USBDriverTemp.tmp.exe