File name:

rundll32.exe_

Full analysis: https://app.any.run/tasks/a0c325a5-7d80-4aad-9f39-e32b94d57fbb
Verdict: Malicious activity
Analysis date: July 22, 2024, 06:14:14
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
ftp
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

2EB5D76180CE7B3241B281FA79AB3483

SHA1:

06293DEA80E39C7EB7EE2BDB00D60B58D932FA8A

SHA256:

E1B9BEB4617A720D55AFAEC364941BB18EA2C456A8B06B30A736F0CBB5C297E8

SSDEEP:

12288:DTyjXW+48qWywrU4kGFezOAVuJ5PIGww7F5DO3HYffS:fIXW/8yw1ez54lIYF5SXYHS

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

    • Drops the executable file immediately after the start

      • rundll32.exe_.exe (PID: 2116)

    • Changes appearance of the Explorer extensions

      • rundll32.exe_.exe (PID: 2116)
      • rundll32.exe (PID: 7212)
      • rundll32.exe (PID: 8048)

  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • rundll32.exe (PID: 7212)
      • rundll32.exe (PID: 8048)

    • Connects to FTP

      • rundll32.exe (PID: 7212)
      • rundll32.exe (PID: 8048)

    • Identifying current user with WHOAMI command

      • powershell.exe (PID: 6232)

  • INFO

    • Checks supported languages

      • rundll32.exe_.exe (PID: 2116)
      • rundll32.exe (PID: 7212)
      • rundll32.exe (PID: 8048)

    • Reads the computer name

      • rundll32.exe_.exe (PID: 2116)
      • rundll32.exe (PID: 7212)
      • rundll32.exe (PID: 8048)

    • Manual execution by a user

      • powershell.exe (PID: 6232)
      • notepad.exe (PID: 1484)
      • notepad++.exe (PID: 5016)

    • Creates files or folders in the user directory

      • rundll32.exe_.exe (PID: 2116)

    • Checks proxy server information

      • rundll32.exe (PID: 7212)
      • rundll32.exe (PID: 8048)

    • Checks current location (POWERSHELL)

      • powershell.exe (PID: 6232)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (35.8)
.exe | Win64 Executable (generic) (31.7)
.scr | Windows screen saver (15)
.dll | Win32 Dynamic Link Library (generic) (7.5)
.exe | Win32 Executable (generic) (5.1)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2011:01:18 14:44:33+00:00
ImageFileCharacteristics: No relocs, Executable, 32-bit
PEType: PE32
LinkerVersion: 10
CodeSize: 569856
InitializedDataSize: 105472
UninitializedDataSize: -
EntryPoint: 0x7add4
OSVersion: 5
ImageVersion: -
SubsystemVersion: 5
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
151
Monitored processes
10
Malicious processes
0
Suspicious processes
3

Behavior graph

Click at the process to see the details
start rundll32.exe_.exe no specs slui.exe no specs powershell.exe no specs conhost.exe no specs rundll32.exe rundll32.exe notepad.exe no specs rundll32.exe no specs whoami.exe no specs notepad++.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1348\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
1484"C:\WINDOWS\system32\notepad.exe" C:\Windows\System32\notepad.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\notepad.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\user32.dll
2116"C:\Users\admin\Desktop\rundll32.exe_.exe" C:\Users\admin\Desktop\rundll32.exe_.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\desktop\rundll32.exe_.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
3024"C:\WINDOWS\system32\whoami.exe"C:\Windows\System32\whoami.exe—powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
whoami - displays logged on user information
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\whoami.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
5016"C:\Program Files\Notepad++\notepad++.exe" "C:\Users\admin\AppData\Roaming\Microsoft\Office\mspoint.pip"C:\Program Files\Notepad++\notepad++.exe—explorer.exe
User:
admin
Company:
Don HO don.h@free.fr
Integrity Level:
MEDIUM
Description:
Notepad++ : a free (GNU) source code editor
Version:
7.91
Modules
Images
c:\program files\notepad++\notepad++.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\shlwapi.dll
c:\windows\winsxs\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.19041.3636_none_60b6a03d71f818d5\comctl32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\shell32.dll
6044C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -EmbeddingC:\Windows\System32\rundll32.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
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\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll
6232"PowerShell.exe" -noexit -command Set-Location -literalPath 'C:\Users\admin\Desktop'C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
6936C:\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
7212"C:\Users\admin\Desktop\rundll32.exe" ftp.byethost.comC:\Users\admin\Desktop\rundll32.exe
powershell.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\rundll32.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\aclayers.dll
8048"C:\Users\admin\Desktop\rundll32.exe" ftp.byethost10.comC:\Users\admin\Desktop\rundll32.exe
powershell.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\desktop\rundll32.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\aclayers.dll
Total events
11 578
Read events
11 567
Write events
11
Delete events
0

Modification events

(PID) Process:(2116) rundll32.exe_.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Operation:writeName:ShowSuperHidden
Value:
0
(PID) Process:(6232) powershell.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(6232) powershell.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(6232) powershell.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(6232) powershell.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(7212) rundll32.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Operation:writeName:ShowSuperHidden
Value:
0
(PID) Process:(8048) rundll32.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Operation:writeName:ShowSuperHidden
Value:
0
Executable files
0
Suspicious files
4
Text files
10
Unknown types
0

Dropped files

PID
Process
Filename
Type
6232powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\LFZP1O9JPP16EG4BPNY1.tempbinary
MD5:B6CB03AF1C776E0858457C4FF8C38229
SHA256:F9A8CF8F5DD543BB50E86D7676AB4A2291C4FFBE8180F56950898294E6F93CAD
6232powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_uuda5bgf.zch.psm1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6232powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_xulidibw.xe1.ps1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6232powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-msbinary
MD5:B6CB03AF1C776E0858457C4FF8C38229
SHA256:F9A8CF8F5DD543BB50E86D7676AB4A2291C4FFBE8180F56950898294E6F93CAD
6232powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_gwmff52g.yyo.psm1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6232powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_ht3toqsi.mn0.ps1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
2116rundll32.exe_.exeC:\Users\admin\AppData\Roaming\Microsoft\Office\mspoint.piptext
MD5:4C96C144F259C0DAF0EC78AD947C40F3
SHA256:77F8CE76AAFAF692FFEFF3BBC25FF4209F7348079BE41E608E02D485E968096D
5016notepad++.exeC:\Users\admin\AppData\Roaming\Notepad++\langs.xmlxml
MD5:FE22EC5755BC98988F9656F73B2E6FB8
SHA256:F972C425CE176E960F6347F1CA2F64A8CE2B95A375C33A03E57538052BA0624D
5016notepad++.exeC:\Users\admin\AppData\Roaming\Notepad++\stylers.xmlxml
MD5:312281C4126FA897EF21A7E8CCB8D495
SHA256:53B4BE3ED1CFD712E53542B30CFE30C5DB35CC48BE7C57727DFEC26C9E882E90
6232powershell.exeC:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCachebinary
MD5:3F95A05381C6D14195F6A1538F5FBADE
SHA256:0E753E9AD3EDE811C17D076B462F85321B8F559C2E462AF0990A1653573A525F
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
41
DNS requests
16
Threats
1

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5628
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%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
7856
svchost.exe
20.247.184.142:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
SG
unknown
4
System
192.168.100.255:137
—
—
—
whitelisted
4032
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
4716
svchost.exe
20.190.160.22:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5620
MoUsoCoreWorker.exe
20.73.194.208:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
2760
svchost.exe
40.113.103.199:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5820
slui.exe
20.83.72.98:443
activation-v2.sls.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
4716
svchost.exe
40.126.32.72:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
unknown
5620
MoUsoCoreWorker.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted

DNS requests

Domain
IP
Reputation
activation-v2.sls.microsoft.com
  • 20.83.72.98
whitelisted
settings-win.data.microsoft.com
  • 51.124.78.146
whitelisted
arc.msn.com
  • 20.31.169.57
whitelisted
www.bing.com
  • 184.86.251.24
  • 184.86.251.4
  • 184.86.251.30
  • 184.86.251.31
  • 184.86.251.5
  • 184.86.251.26
  • 184.86.251.23
  • 184.86.251.27
  • 184.86.251.29
  • 184.86.251.10
  • 184.86.251.16
  • 184.86.251.9
  • 184.86.251.11
  • 184.86.251.6
  • 184.86.251.15
whitelisted
fd.api.iris.microsoft.com
  • 20.31.169.57
whitelisted
slscr.update.microsoft.com
  • 40.127.169.103
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.242.39.171
whitelisted
ftp.byethost10.com
  • 185.27.134.11
unknown
arm-ring.msedge.net
  • 4.150.241.254
unknown
fp-afd-nocache-ccp.azureedge.net
  • 13.107.246.60
whitelisted

Threats

PID
Process
Class
Message
7212
rundll32.exe
Misc activity
INFO [ANY.RUN] FTP server is ready for the new user
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
rundll32.exe_