File name:

RFQ 9-XTC-204-60THD.xlsx.exe

Full analysis: https://app.any.run/tasks/2b86bc60-a6a6-4037-b246-a25172eb742a
Verdict: Malicious activity
Threats:

AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions.

Analysis date: December 03, 2024, 14:06:39
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
rat
asyncrat
remote
quasar
evasion
netreactor
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

C9951FB84A416C1F329B39B2DA482348

SHA1:

E250949B96260DF94F7C4CCE9EF009069690FFE6

SHA256:

DE6B367A4B3A81FEA07CDAA9406B9B70A994581CFAE539F5DA441268E4BE4188

SSDEEP:

3072:rsM1iDHDrKOgPSn13EvJzu8QvTu+hb94K2PZLh:4M4D8i3EvL

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 (SURICATA)

      • InstallUtil.exe (PID: 6912)
    • QUASAR has been detected (YARA)

      • InstallUtil.exe (PID: 6912)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • RFQ 9-XTC-204-60THD.xlsx.exe (PID: 1540)
    • Connects to unusual port

      • InstallUtil.exe (PID: 6912)
    • Checks for external IP

      • svchost.exe (PID: 2192)
    • Contacting a server suspected of hosting an CnC

      • InstallUtil.exe (PID: 6912)
  • INFO

    • Checks supported languages

      • RFQ 9-XTC-204-60THD.xlsx.exe (PID: 1540)
    • Reads the computer name

      • RFQ 9-XTC-204-60THD.xlsx.exe (PID: 1540)
    • .NET Reactor protector has been detected

      • RFQ 9-XTC-204-60THD.xlsx.exe (PID: 1540)
    • Reads the machine GUID from the registry

      • RFQ 9-XTC-204-60THD.xlsx.exe (PID: 1540)
    • Manual execution by a user

      • InstallUtil.exe (PID: 6912)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(6912) InstallUtil.exe
Version1.4.1
C2 (2)ert43w221.ydns.eu:6298
Sub_DirSubDir
Install_NameClient.exe
Mutexa9116a3c-c75d-46ba-83b2-70c9a140159e
Startupsvchost
Tagchi
LogDirLogs
SignatureKOy9nBE0h5W+RwoIC96e2UwdSYYqOC/Q2bFDQPA0HiPpunPfkDTu1Mcdt/abHdxhbuw8Tr6lB0iHjT17UEI6C/nDeevBn1btcJS2a5t4bDF1avRWvIDdYHX8fNZHkSx1fNTOACqJB6OI4WgPPbU5lhBIabqu4HGS0fwV0zgCP6uBej/5CJMZd/2LzBN2GLdIA5c25rCvG0oaJjbEchHwciEjEXfOZYPJla3yc7r0b33yF7Bs21FTdK4MSH+V+jOCuQB0cGbLOzGLtQ5wfkAcY4J98yq8h1GG0fXamABUSKg9...
CertificateMIIE9DCCAtygAwIBAgIQAP1KbHL3U+pCrceIhUgt+TANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MTExMzA5NDUzOVoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAotbNh20kwzcfnjmOzbzY+vFn6xto+tecuZPMyVz4Mfst6A3prg9wjhWfmtawwkKgsyX/bNHP...
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: 2024:12:03 09:43:49+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 143872
InitializedDataSize: 2048
UninitializedDataSize: -
EntryPoint: 0x24ffe
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: Avtohnfr
FileVersion: 1.0.0.0
InternalName: Avtohnfr.exe
LegalCopyright: Copyright © 2015
LegalTrademarks: -
OriginalFileName: Avtohnfr.exe
ProductName: Avtohnfr
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
128
Monitored processes
3
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start rfq 9-xtc-204-60thd.xlsx.exe #QUASAR installutil.exe svchost.exe

Process information

PID
CMD
Path
Indicators
Parent process
1540"C:\Users\admin\AppData\Local\Temp\RFQ 9-XTC-204-60THD.xlsx.exe" C:\Users\admin\AppData\Local\Temp\RFQ 9-XTC-204-60THD.xlsx.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Avtohnfr
Exit code:
4294967295
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\rfq 9-xtc-204-60thd.xlsx.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
2192C:\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
6912"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
.NET Framework installation utility
Version:
4.8.9037.0 built by: NET481REL1
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\installutil.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(6912) InstallUtil.exe
Version1.4.1
C2 (2)ert43w221.ydns.eu:6298
Sub_DirSubDir
Install_NameClient.exe
Mutexa9116a3c-c75d-46ba-83b2-70c9a140159e
Startupsvchost
Tagchi
LogDirLogs
SignatureKOy9nBE0h5W+RwoIC96e2UwdSYYqOC/Q2bFDQPA0HiPpunPfkDTu1Mcdt/abHdxhbuw8Tr6lB0iHjT17UEI6C/nDeevBn1btcJS2a5t4bDF1avRWvIDdYHX8fNZHkSx1fNTOACqJB6OI4WgPPbU5lhBIabqu4HGS0fwV0zgCP6uBej/5CJMZd/2LzBN2GLdIA5c25rCvG0oaJjbEchHwciEjEXfOZYPJla3yc7r0b33yF7Bs21FTdK4MSH+V+jOCuQB0cGbLOzGLtQ5wfkAcY4J98yq8h1GG0fXamABUSKg9...
CertificateMIIE9DCCAtygAwIBAgIQAP1KbHL3U+pCrceIhUgt+TANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MTExMzA5NDUzOVoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAotbNh20kwzcfnjmOzbzY+vFn6xto+tecuZPMyVz4Mfst6A3prg9wjhWfmtawwkKgsyX/bNHP...
Total events
5 618
Read events
5 589
Write events
29
Delete events
0

Modification events

(PID) Process:(1540) RFQ 9-XTC-204-60THD.xlsx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RFQ 9-XTC-204-60THD_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(1540) RFQ 9-XTC-204-60THD.xlsx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RFQ 9-XTC-204-60THD_RASAPI32
Operation:writeName:EnableAutoFileTracing
Value:
0
(PID) Process:(1540) RFQ 9-XTC-204-60THD.xlsx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RFQ 9-XTC-204-60THD_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(1540) RFQ 9-XTC-204-60THD.xlsx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RFQ 9-XTC-204-60THD_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(1540) RFQ 9-XTC-204-60THD.xlsx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RFQ 9-XTC-204-60THD_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(1540) RFQ 9-XTC-204-60THD.xlsx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RFQ 9-XTC-204-60THD_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(1540) RFQ 9-XTC-204-60THD.xlsx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RFQ 9-XTC-204-60THD_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(1540) RFQ 9-XTC-204-60THD.xlsx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RFQ 9-XTC-204-60THD_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(1540) RFQ 9-XTC-204-60THD.xlsx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RFQ 9-XTC-204-60THD_RASMANCS
Operation:writeName:EnableAutoFileTracing
Value:
0
(PID) Process:(1540) RFQ 9-XTC-204-60THD.xlsx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RFQ 9-XTC-204-60THD_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
1540RFQ 9-XTC-204-60THD.xlsx.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RealErrorObject.vbstext
MD5:A3AC2E3E3D6CA3F174DB02E127DD035A
SHA256:A24846ECF84C71FB8258A8253FBD7F0D11CC50540AD803A852A12CB4EF6D9E8A
1540RFQ 9-XTC-204-60THD.xlsx.exeC:\Users\admin\AppData\Roaming\RealErrorObject.exeexecutable
MD5:C9951FB84A416C1F329B39B2DA482348
SHA256:DE6B367A4B3A81FEA07CDAA9406B9B70A994581CFAE539F5DA441268E4BE4188
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
35
DNS requests
20
Threats
5

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
716
svchost.exe
GET
200
23.48.23.190:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
716
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
23.48.23.190:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.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
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
whitelisted
7108
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
7108
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
6164
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
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
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
whitelisted
4712
MoUsoCoreWorker.exe
23.48.23.190:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
716
svchost.exe
23.48.23.190:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
716
svchost.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
4712
MoUsoCoreWorker.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
5064
SearchApp.exe
104.126.37.161:443
www.bing.com
Akamai International B.V.
DE
whitelisted
4
System
192.168.100.255:138
whitelisted
1540
RFQ 9-XTC-204-60THD.xlsx.exe
185.78.221.73:443
www.oleonidas.gr
IpHost P.C.
GR
unknown
40.126.32.140:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
  • 20.73.194.208
whitelisted
crl.microsoft.com
  • 23.48.23.190
  • 23.48.23.178
  • 23.48.23.191
  • 23.48.23.173
  • 23.48.23.192
  • 23.48.23.168
  • 23.48.23.174
  • 23.48.23.180
  • 23.48.23.185
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
google.com
  • 172.217.16.142
whitelisted
www.bing.com
  • 104.126.37.161
  • 104.126.37.163
  • 104.126.37.146
  • 104.126.37.162
  • 104.126.37.168
  • 104.126.37.152
  • 104.126.37.170
  • 104.126.37.155
  • 104.126.37.171
whitelisted
www.oleonidas.gr
  • 185.78.221.73
unknown
login.live.com
  • 40.126.32.140
  • 40.126.32.138
  • 40.126.32.134
  • 20.190.160.20
  • 40.126.32.76
  • 20.190.160.17
  • 40.126.32.136
  • 20.190.160.22
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
go.microsoft.com
  • 23.213.166.81
whitelisted
ert43w221.ydns.eu
  • 69.174.99.131
unknown

Threats

PID
Process
Class
Message
Domain Observed Used for C2 Detected
ET MALWARE Generic AsyncRAT Style SSL Cert
Domain Observed Used for C2 Detected
ET MALWARE Observed Malicious SSL Cert (Quasar CnC)
2192
svchost.exe
Potentially Bad Traffic
ET INFO External IP Lookup Domain in DNS Lookup (ipwho .is)
6912
InstallUtil.exe
Malware Command and Control Activity Detected
REMOTE [ANY.RUN] QuasarRAT Successful Connection (CBC_SHA384)
1 ETPRO signatures available at the full report
No debug info