File name:

RingCentral_launcher.exe

Full analysis: https://app.any.run/tasks/ec3473b8-3483-471c-9f11-8c9806fb0128
Verdict: Malicious activity
Analysis date: March 22, 2019, 07:26:14
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

3D7D5A68DDBEF9BDDAA73BE467183C14

SHA1:

F7C0AA4FBFE9FBE7236DF2562879FF0E6D434BB2

SHA256:

5FF07113B7970582D12086AA07F6B591636DA96C4D7D09B466DCC0B9C22C1BB7

SSDEEP:

3072:Smwq0BS3gMNeKflHm5Sw68I+hyWExG1sa0azty/ON0Oh/JYWJK9dYWSkJiDvtpXa:Oq8S3wKflFvQyw1NtfDkEDH1g

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

    • Application was dropped or rewritten from another process

      • Installer.exe (PID: 2948)
      • Zoom.exe (PID: 3432)
      • Zoom.exe (PID: 2780)

    • Loads dropped or rewritten executable

      • Installer.exe (PID: 2948)
      • Zoom.exe (PID: 3432)
      • Zoom.exe (PID: 2780)

  • SUSPICIOUS

    • Creates files in the user directory

      • RingCentral_launcher.exe (PID: 1052)
      • Zoom.exe (PID: 3432)
      • Zoom.exe (PID: 2780)
      • Installer.exe (PID: 2948)

    • Executable content was dropped or overwritten

      • RingCentral_launcher.exe (PID: 1052)
      • Installer.exe (PID: 2948)

    • Creates a software uninstall entry

      • Installer.exe (PID: 2948)

    • Changes IE settings (feature browser emulation)

      • Installer.exe (PID: 2948)

    • Modifies the open verb of a shell class

      • Installer.exe (PID: 2948)

    • Application launched itself

      • Zoom.exe (PID: 3432)

  • INFO

    • Dropped object may contain Bitcoin addresses

      • Installer.exe (PID: 2948)
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) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2018:12:21 06:07:28+01:00
PEType: PE32
LinkerVersion: 9
CodeSize: 85504
InitializedDataSize: 182784
UninitializedDataSize: -
EntryPoint: 0x94b4
OSVersion: 5
ImageVersion: -
SubsystemVersion: 5
Subsystem: Windows GUI
FileVersionNumber: 6.3.15457.1221
ProductVersionNumber: 6.3.15457.1221
FileFlagsMask: 0x0017
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
Comments: RingCentral Meetings
CompanyName: Zoom Video Communications, Inc. and RingCentral Inc.
FileDescription: RingCentral Meetings
FileVersion: 6,3,15457,1221
InternalName: RingCentral Meetings
LegalCopyright: Copyright ©2012-2017 Zoom Video Communications, Inc. and RingCentral Inc. All rights reserved.
LegalTrademarks: RingCentral Meetings
OriginalFileName: RingCentral Meetings
ProductName: RingCentral Meetings
ProductVersion: 6,3,15457,1221

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 21-Dec-2018 05:07:28
Detected languages:
  • English - United States
Debug artifacts:
  • e:\B_41_120199\Bin\Release\RingCentral_launcher.pdb
Comments: RingCentral Meetings
CompanyName: Zoom Video Communications, Inc. and RingCentral Inc.
FileDescription: RingCentral Meetings
FileVersion: 6,3,15457,1221
InternalName: RingCentral Meetings
LegalCopyright: Copyright ©2012-2017 Zoom Video Communications, Inc. and RingCentral Inc. All rights reserved.
LegalTrademarks: RingCentral Meetings
OriginalFilename: RingCentral Meetings
ProductName: RingCentral Meetings
ProductVersion: 6,3,15457,1221

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
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: 0x0000
OEM information: 0x0000
Address of NE header: 0x000000E0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 21-Dec-2018 05:07:28
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
0x00001000
0x00014D73
0x00014E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.54496
.rdata
0x00016000
0x00004494
0x00004600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.37155
.data
0x0001B000
0x00003F6C
0x00002400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.90845
.rsrc
0x0001F000
0x00023F84
0x00024000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.86733
.reloc
0x00043000
0x00001FC8
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
4.39066

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.79597
346
Latin 1 / Western European
English - United States
RT_MANIFEST
2
4.0784
67624
Latin 1 / Western European
English - United States
RT_ICON
3
4.42725
16936
Latin 1 / Western European
English - United States
RT_ICON
4
5.14677
9640
Latin 1 / Western European
English - United States
RT_ICON
5
4.94867
4264
Latin 1 / Western European
English - United States
RT_ICON
6
5.53663
2440
Latin 1 / Western European
English - United States
RT_ICON
7
2.29912
100
Latin 1 / Western European
English - United States
RT_STRING
8
2.21706
84
Latin 1 / Western European
English - United States
RT_STRING
9
2.77292
238
Latin 1 / Western European
English - United States
RT_STRING
10
2.98834
462
Latin 1 / Western European
English - United States
RT_STRING

Imports

ADVAPI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
WININET.dll
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
33
Monitored processes
4
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start drop and start ringcentral_launcher.exe installer.exe zoom.exe zoom.exe

Process information

PID
CMD
Path
Indicators
Parent process
1052"C:\Users\admin\AppData\Local\Temp\RingCentral_launcher.exe" C:\Users\admin\AppData\Local\Temp\RingCentral_launcher.exe
explorer.exe
User:
admin
Company:
Zoom Video Communications, Inc. and RingCentral Inc.
Integrity Level:
MEDIUM
Description:
RingCentral Meetings
Exit code:
0
Version:
6,3,15457,1221
Modules
Images
c:\users\admin\appdata\local\temp\ringcentral_launcher.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wininet.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
2780C:\Users\admin\AppData\Roaming\Zoom\bin\Zoom.exe --action=preload --runaszvideo=TRUE C:\Users\admin\AppData\Roaming\Zoom\bin\Zoom.exe
Zoom.exe
User:
admin
Company:
Zoom Video Communications, Inc.
Integrity Level:
MEDIUM
Description:
Zoom Meetings
Exit code:
0
Version:
4,3,46560,0311
Modules
Images
c:\users\admin\appdata\roaming\zoom\bin\zoom.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\users\admin\appdata\roaming\zoom\bin\zcrashreport.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
2948"C:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exe" C:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exe --cid= --conf.no= --zc= --pwd= --pk= --tk= --browser= --sid= --stype= --token= --uid= --uname= --rtoken= --action=launchC:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exe
RingCentral_launcher.exe
User:
admin
Company:
Zoom Video Communications, Inc.
Integrity Level:
MEDIUM
Description:
Zoom Meetings Installer
Exit code:
0
Version:
4,3,46560,0311
Modules
Images
c:\users\admin\appdata\roaming\ringcentralmeetings\zoomdownload\installer.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\psapi.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3432"C:\Users\admin\AppData\Roaming\Zoom\bin\Zoom.exe" C:\Users\admin\AppData\Roaming\Zoom\bin\Zoom.exe --url=zoomlaunch://win.launch?action=launch&C:\Users\admin\AppData\Roaming\Zoom\bin\Zoom.exe
Installer.exe
User:
admin
Company:
Zoom Video Communications, Inc.
Integrity Level:
MEDIUM
Description:
Zoom Meetings
Exit code:
0
Version:
4,3,46560,0311
Modules
Images
c:\users\admin\appdata\roaming\zoom\bin\zoom.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\users\admin\appdata\roaming\zoom\bin\zcrashreport.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
Total events
1 248
Read events
1 136
Write events
112
Delete events
0

Modification events

(PID) Process:(1052) RingCentral_launcher.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RingCentral_launcher_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(1052) RingCentral_launcher.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RingCentral_launcher_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(1052) RingCentral_launcher.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RingCentral_launcher_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(1052) RingCentral_launcher.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RingCentral_launcher_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(1052) RingCentral_launcher.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RingCentral_launcher_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(1052) RingCentral_launcher.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RingCentral_launcher_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(1052) RingCentral_launcher.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RingCentral_launcher_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(1052) RingCentral_launcher.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RingCentral_launcher_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(1052) RingCentral_launcher.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RingCentral_launcher_RASMANCS
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(1052) RingCentral_launcher.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RingCentral_launcher_RASMANCS
Operation:writeName:ConsoleTracingMask
Value:
4294901760
Executable files
84
Suspicious files
24
Text files
12
Unknown types
3

Dropped files

PID
Process
Filename
Type
1052RingCentral_launcher.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Zoom.msi —
MD5:—
SHA256:—
1052RingCentral_launcher.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exeexecutable
MD5:—
SHA256:—
2948Installer.exeC:\Users\admin\AppData\Roaming\Zoom\zoom_install_src\leave.pcmbinary
MD5:—
SHA256:—
1052RingCentral_launcher.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\admin@zoom[1].txttext
MD5:—
SHA256:—
2948Installer.exeC:\Users\admin\AppData\Roaming\Zoom\zoom_install_src\duilib_license.txttext
MD5:7FAEC2006BB231D14B794A9F31769448
SHA256:7ED2ACCA31A243BA107D8C12FDDECD52462FD326D3D2C73B04D4CF10C76765FF
1052RingCentral_launcher.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\IETldCache\index.datdat
MD5:D7A950FEFD60DBAA01DF2D85FEFB3862
SHA256:75D0B1743F61B76A35B1FEDD32378837805DE58D79FA950CB6E8164BFA72073A
2948Installer.exeC:\Users\admin\AppData\Roaming\Zoom\zoom_install_src\dingdong.pcmbinary
MD5:6634B90AC989DC297DA9F37CE3F656AC
SHA256:80A9A24A19C9749F7D76D2E3A37587A19AC812659DE2E76B50B08F5F293884CD
2948Installer.exeC:\Users\admin\AppData\Roaming\Zoom\zoom_install_src\directui_license.txttext
MD5:AB54B14548A4CC76DD7C27414D971111
SHA256:6033476BE3D1D41166B65984E2BE94C87AC98DCE55BFEC887E932B696E859295
2948Installer.exeC:\Users\admin\AppData\Roaming\Zoom\zoom_install_src\record_start.pcmbinary
MD5:AB8A5F2981E225D3EDAACB520083835A
SHA256:193C4FFEA3DE04802E97E9E62FCD8533D8CA53E7306BA113A2234959B5262EB4
2948Installer.exeC:\Users\admin\AppData\Roaming\Zoom\zoom_install_src\CptControl.exeexecutable
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
4
DNS requests
3
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1052
RingCentral_launcher.exe
GET
301
52.202.62.235:80
http://www.zoom.us/client/latest/Installer.exe
US
html
177 b
whitelisted
1052
RingCentral_launcher.exe
GET
301
52.202.62.235:80
http://www.zoom.us/client/latest/Zoom.msi
US
html
177 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1052
RingCentral_launcher.exe
52.202.62.235:80
www.zoom.us
Amazon.com, Inc.
US
suspicious
1052
RingCentral_launcher.exe
52.202.62.235:443
www.zoom.us
Amazon.com, Inc.
US
suspicious
3432
Zoom.exe
52.202.62.235:443
www.zoom.us
Amazon.com, Inc.
US
suspicious
1052
RingCentral_launcher.exe
52.85.188.14:443
d11yldzmag5yn.cloudfront.net
Amazon.com, Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
www.zoom.us
  • 52.202.62.235
whitelisted
d11yldzmag5yn.cloudfront.net
  • 52.85.188.14
  • 52.85.188.181
  • 52.85.188.111
  • 52.85.188.123
whitelisted
zoom.us
  • 52.202.62.235
whitelisted

Threats

PID
Process
Class
Message
1052
RingCentral_launcher.exe
A Network Trojan was detected
ET POLICY User-Agent (Launcher)
1052
RingCentral_launcher.exe
A Network Trojan was detected
ET POLICY User-Agent (Launcher)
Process
Message
RingCentral_launcher.exe
WinMain start, lpCmdLine is:
RingCentral_launcher.exe
WinMain start, parameter is:
RingCentral_launcher.exe
installer.exe=Installer.exe&package.name=Zoom.msi&package.version=latest&package.size=4980k&downloadRoot=http://www.zoom.us/client
RingCentral_launcher.exe
CZpDownloadMgr::FindParam
RingCentral_launcher.exe
installer.exe
RingCentral_launcher.exe
Installer.exe
RingCentral_launcher.exe
CZpDownloadMgr::FindParam
RingCentral_launcher.exe
package.name
RingCentral_launcher.exe
Zoom.msi
RingCentral_launcher.exe
CZpDownloadMgr::FindParam
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Reports
RingCentral_launcher.exe