File name:

Ngrok.exe

Full analysis: https://app.any.run/tasks/acb35ce7-3f20-46ee-b85f-246d99bc6bbe
Verdict: Malicious activity
Analysis date: August 24, 2021, 01:01:34
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: MS-DOS executable, MZ for MS-DOS
MD5:

A7ED9DED8ADE7A3BAE22C4D8EDA0638B

SHA1:

1AECECBDA019D30A227978F69AE90E7877CDB9AD

SHA256:

44DC4769EEA5535557E23FB1B0E21726A3744F2CEF529198130564F89AF16A0B

SSDEEP:

768:5vkPrwvOlPCvCb9XhR1DsR3ylR4mRjRfoeQQ6I:yPrwviPQCb9X71A1mRjFoeQ8

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

    • Writes to a start menu file

      • Runtime Broker.exe (PID: 3064)

    • Uses Task Scheduler to run other applications

      • Runtime Broker.exe (PID: 3064)

    • Changes the autorun value in the registry

      • Runtime Broker.exe (PID: 3064)

    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 1156)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Ngrok.exe (PID: 3520)
      • Runtime Broker.exe (PID: 3064)

    • Checks supported languages

      • Ngrok.exe (PID: 3520)
      • Runtime Broker.exe (PID: 3064)
      • Server.exe (PID: 3848)

    • Reads the computer name

      • Ngrok.exe (PID: 3520)
      • Runtime Broker.exe (PID: 3064)
      • Server.exe (PID: 3848)

    • Creates files in the user directory

      • Ngrok.exe (PID: 3520)
      • Runtime Broker.exe (PID: 3064)

    • Starts itself from another location

      • Ngrok.exe (PID: 3520)

    • Reads Environment values

      • Runtime Broker.exe (PID: 3064)

    • Executed via Task Scheduler

      • Server.exe (PID: 3848)

  • INFO

    • Checks supported languages

      • schtasks.exe (PID: 1156)
      • explorer.exe (PID: 2908)

    • Reads the computer name

      • schtasks.exe (PID: 1156)
      • explorer.exe (PID: 2908)

    • Manual execution by user

      • explorer.exe (PID: 2908)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x2e5e
UninitializedDataSize: -
InitializedDataSize: 1536
CodeSize: 4096
LinkerVersion: 8
PEType: PE32
TimeStamp: 2010:12:09 19:58:19+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 09-Dec-2010 18:58:19

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0040
Pages in file: 0x0001
Relocations: 0x0000
Size of header: 0x0002
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0xB400
OEM information: 0xCD09
Address of NE header: 0x00000040

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 09-Dec-2010 18:58:19
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x00000E64
0x00001000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.25079
.rsrc
0x00004000
0x00000400
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.51607
.reloc
0x00006000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.52221

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
5
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start ngrok.exe runtime broker.exe schtasks.exe no specs server.exe no specs explorer.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1156schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\admin\AppData\Local\Temp/Server.exeC:\Windows\system32\schtasks.exe—Runtime Broker.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\ole32.dll
2908"C:\Windows\explorer.exe" C:\Windows\explorer.exe—Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
3064"C:\Users\admin\AppData\Roaming\Runtime Broker.exe" C:\Users\admin\AppData\Roaming\Runtime Broker.exe
Ngrok.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\roaming\runtime broker.exe
c:\windows\system32\mscoree.dll
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
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3520"C:\Users\admin\AppData\Local\Temp\Ngrok.exe" C:\Users\admin\AppData\Local\Temp\Ngrok.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\ngrok.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\gdi32.dll
3848C:\Users\admin\AppData\Local\Temp/Server.exe C:\Users\admin\AppData\Local\Temp\Server.exe—taskeng.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\server.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\shlwapi.dll
c:\windows\system32\rpcrt4.dll
Total events
1 606
Read events
1 516
Write events
90
Delete events
0

Modification events

(PID) Process:(3520) Ngrok.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(3520) Ngrok.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3520) Ngrok.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3520) Ngrok.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3520) Ngrok.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(3064) Runtime Broker.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(3064) Runtime Broker.exeKey:HKEY_CURRENT_USER\Environment
Operation:writeName:SEE_MASK_NOZONECHECKS
Value:
1
(PID) Process:(3064) Runtime Broker.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Cortana
Value:
"C:\Users\admin\AppData\Roaming\Runtime Broker.exe" ..
(PID) Process:(3848) Server.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
Executable files
3
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3520Ngrok.exeC:\Users\admin\AppData\Roaming\Runtime Broker.exeexecutable
MD5:—
SHA256:—
3064Runtime Broker.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Cortana Control.exeexecutable
MD5:—
SHA256:—
3064Runtime Broker.exeC:\Users\admin\AppData\Local\Temp\Server.exeexecutable
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
1
Threats
1

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3064
Runtime Broker.exe
3.131.207.170:1362
2.tcp.ngrok.io
—
US
malicious

DNS requests

Domain
IP
Reputation
2.tcp.ngrok.io
  • 3.131.207.170
malicious

Threats

PID
Process
Class
Message
—
—
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
No debug info
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Reports
Ngrok.exe