File name:

YouTube_private.exe

Full analysis: https://app.any.run/tasks/307c3ae8-887e-45a4-aed7-7daac761f74e
Verdict: Malicious activity
Threats:

njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world.

Analysis date: August 04, 2024, 17:00:56
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
rat
njrat
bladabindi
antivm
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

34EF3AB51DFDA729582B616E9B19D8DC

SHA1:

212B8EE447BA9615B8DBB323203A06D57A479BF4

SHA256:

525532066CF6C089FAE74AA1E6CA3EE7744B50D30EAE7657A90C7F8637A16EF4

SSDEEP:

49152:654HWzIwMkH7x3/SAvYra+DziKDH1FlxzrH1Hl/v+HWCtPf16UWoqvULoYe3dnvV:6kIoVrpHzlJH1Hl/v+PYUWiLOpZn

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

    • NjRAT is detected

      • YouTube_private.exe (PID: 6520)
      • Dllhost.exe (PID: 6840)
    • Create files in the Startup directory

      • Dllhost.exe (PID: 6840)
    • Drops the executable file immediately after the start

      • YouTube_private.exe (PID: 6520)
      • Dllhost.exe (PID: 6840)
    • Changes the autorun value in the registry

      • Dllhost.exe (PID: 6840)
    • NJRAT has been detected (YARA)

      • Dllhost.exe (PID: 6840)
  • SUSPICIOUS

    • The process creates files with name similar to system file names

      • YouTube_private.exe (PID: 6520)
    • Executable content was dropped or overwritten

      • YouTube_private.exe (PID: 6520)
      • Dllhost.exe (PID: 6840)
    • Starts itself from another location

      • YouTube_private.exe (PID: 6520)
    • Reads the date of Windows installation

      • YouTube_private.exe (PID: 6520)
    • Reads security settings of Internet Explorer

      • YouTube_private.exe (PID: 6520)
    • There is functionality for VM detection (antiVM strings)

      • Dllhost.exe (PID: 6840)
    • There is functionality for taking screenshot (YARA)

      • Dllhost.exe (PID: 6840)
    • There is functionality for VM detection (VirtualBox)

      • Dllhost.exe (PID: 6840)
    • Connects to unusual port

      • Dllhost.exe (PID: 6840)
  • INFO

    • Checks supported languages

      • Dllhost.exe (PID: 6840)
      • YouTube_private.exe (PID: 6520)
    • Process checks computer location settings

      • YouTube_private.exe (PID: 6520)
    • Reads the computer name

      • Dllhost.exe (PID: 6840)
      • YouTube_private.exe (PID: 6520)
    • Reads the machine GUID from the registry

      • Dllhost.exe (PID: 6840)
    • Creates files or folders in the user directory

      • Dllhost.exe (PID: 6840)
    • Create files in a temporary directory

      • YouTube_private.exe (PID: 6520)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

NjRat

(PID) Process(6840) Dllhost.exe
C27.tcp.eu.ngrok.io
Ports13775
BotnetHacKed
Options
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\Windows Update
Splitter|Hassan|
VersionNjrat 0.7 Golden By Hassan Amiri
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (61.6)
.dll | Win32 Dynamic Link Library (generic) (14.6)
.exe | Win32 Executable (generic) (10)
.exe | Win16/32 Executable Delphi generic (4.6)
.exe | Generic Win/DOS Executable (4.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2024:08:04 16:29:05+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 41984
InitializedDataSize: 192512
UninitializedDataSize: -
EntryPoint: 0x3fc558
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
133
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #NJRAT youtube_private.exe #NJRAT dllhost.exe

Process information

PID
CMD
Path
Indicators
Parent process
6520"C:\Users\admin\AppData\Local\Temp\YouTube_private.exe" C:\Users\admin\AppData\Local\Temp\YouTube_private.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\youtube_private.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\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\user32.dll
6840"C:\Users\admin\AppData\Local\Temp\Dllhost.exe" C:\Users\admin\AppData\Local\Temp\Dllhost.exe
YouTube_private.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\dllhost.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\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\user32.dll
NjRat
(PID) Process(6840) Dllhost.exe
C27.tcp.eu.ngrok.io
Ports13775
BotnetHacKed
Options
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\Windows Update
Splitter|Hassan|
VersionNjrat 0.7 Golden By Hassan Amiri
Total events
4 421
Read events
4 363
Write events
58
Delete events
0

Modification events

(PID) Process:(6520) YouTube_private.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(6520) YouTube_private.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(6520) YouTube_private.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(6520) YouTube_private.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(6520) YouTube_private.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(6840) Dllhost.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(6840) Dllhost.exeKey:HKEY_CURRENT_USER\Environment
Operation:writeName:SEE_MASK_NOZONECHECKS
Value:
1
(PID) Process:(6840) Dllhost.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Windows Update
Value:
"C:\Users\admin\AppData\Local\Temp\Dllhost.exe" ..
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
6520YouTube_private.exeC:\Users\admin\AppData\Local\Temp\Dllhost.exeexecutable
MD5:34EF3AB51DFDA729582B616E9B19D8DC
SHA256:525532066CF6C089FAE74AA1E6CA3EE7744B50D30EAE7657A90C7F8637A16EF4
6840Dllhost.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exeexecutable
MD5:34EF3AB51DFDA729582B616E9B19D8DC
SHA256:525532066CF6C089FAE74AA1E6CA3EE7744B50D30EAE7657A90C7F8637A16EF4
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
91
DNS requests
17
Threats
1

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5336
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
whitelisted
640
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
7028
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
whitelisted
6992
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
2632
RUXIMICS.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
2120
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3140
svchost.exe
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
3888
svchost.exe
239.255.255.250:1900
whitelisted
4
System
192.168.100.255:137
whitelisted
3140
svchost.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5336
SearchApp.exe
104.126.37.139:443
www.bing.com
Akamai International B.V.
DE
unknown
5336
SearchApp.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
640
svchost.exe
20.190.159.23:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
  • 51.124.78.146
whitelisted
google.com
  • 142.250.184.238
whitelisted
www.bing.com
  • 104.126.37.139
  • 104.126.37.145
  • 104.126.37.147
  • 104.126.37.184
  • 104.126.37.146
  • 104.126.37.155
  • 104.126.37.179
  • 104.126.37.160
  • 104.126.37.153
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
login.live.com
  • 20.190.159.23
  • 20.190.159.75
  • 20.190.159.71
  • 40.126.31.67
  • 20.190.159.0
  • 20.190.159.4
  • 40.126.31.71
  • 20.190.159.2
whitelisted
client.wns.windows.com
  • 40.115.3.253
whitelisted
th.bing.com
  • 104.126.37.171
  • 104.126.37.162
  • 104.126.37.179
  • 104.126.37.160
  • 104.126.37.153
  • 104.126.37.176
  • 104.126.37.177
  • 104.126.37.155
  • 104.126.37.161
whitelisted
fd.api.iris.microsoft.com
  • 20.223.35.26
whitelisted
7.tcp.eu.ngrok.io
  • 3.126.224.214
malicious
arc.msn.com
  • 20.31.169.57
whitelisted

Threats

PID
Process
Class
Message
2256
svchost.exe
Misc activity
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
No debug info