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File name:

RingCentralMeetings_launcher.exe

Full analysis: https://app.any.run/tasks/6656faeb-3d71-4a29-a3d9-ee9658ffa206
Verdict: Malicious activity
Analysis date: March 14, 2019, 19:01:42
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:

83DF577A005FF4FE32214DDDD3F13DA7

SHA1:

BE430819358E9E6C75CFBED1DA2CCCC9EBD1AA1E

SHA256:

7CA248D766DE6FEAEA177937B0B34A428C36CCD566E6C1FF799F624D13C1AB95

SSDEEP:

3072:9mwq0BS3gMNeKflHm5Sw68I+hCWExG1sa0azty/ON0Oh/JYWJK9dYWSkJiDvtpX4:3q8S3wKflFvQCw1NtfDkEDH4d

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

    • Loads dropped or rewritten executable

      • RingCentralMeetings.exe (PID: 3436)
      • RingCentralMeetings.exe (PID: 2792)

    • Application was dropped or rewritten from another process

      • RingCentralMeetings.exe (PID: 3436)
      • Installer.exe (PID: 3300)
      • RingCentralMeetings.exe (PID: 2792)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • RingCentralMeetings_launcher.exe (PID: 3372)
      • Installer.exe (PID: 3300)

    • Modifies the open verb of a shell class

      • Installer.exe (PID: 3300)

    • Application launched itself

      • RingCentralMeetings.exe (PID: 3436)

    • Creates files in the user directory

      • RingCentralMeetings_launcher.exe (PID: 3372)
      • RingCentralMeetings.exe (PID: 3436)
      • RingCentralMeetings.exe (PID: 2792)
      • Installer.exe (PID: 3300)

    • Changes IE settings (feature browser emulation)

      • Installer.exe (PID: 3300)

    • Creates a software uninstall entry

      • Installer.exe (PID: 3300)

  • INFO

    • Dropped object may contain Bitcoin addresses

      • Installer.exe (PID: 3300)
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

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

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
2.05118
.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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
34
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 ringcentralmeetings_launcher.exe installer.exe ringcentralmeetings.exe ringcentralmeetings.exe

Process information

PID
CMD
Path
Indicators
Parent process
3372"C:\Users\admin\AppData\Local\Temp\RingCentralMeetings_launcher.exe" C:\Users\admin\AppData\Local\Temp\RingCentralMeetings_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
3300"C:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exe" C:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exe --cid=dGlkPTM2NjVkMWJlZWY4ZjU2ZjljM2Y5OWE5YzM5YTcwOGI1 --conf.no=3164689608 --zc=0 --pwd= --pk= --tk= --browser=firefox --sid= --stype= --token= --uid= --uname= --rtoken= --action=joinC:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exe
RingCentralMeetings_launcher.exe
User:
admin
Company:
Zoom Video Communications, Inc. and RingCentral Inc.
Integrity Level:
MEDIUM
Description:
RingCentral Meetings Installer
Exit code:
0
Version:
6,3,15457,1221
3436"C:\Users\admin\AppData\Roaming\RingCentralMeetings\bin\RingCentralMeetings.exe" C:\Users\admin\AppData\Roaming\RingCentralMeetings\bin\RingCentralMeetings.exe --url=zoomrc://win.launch?confid=dGlkPTM2NjVkMWJlZWY4ZjU2ZjljM2Y5OWE5YzM5YTcwOGI1&confno=3164689608&browser=firefox&zc=0&action=join&C:\Users\admin\AppData\Roaming\RingCentralMeetings\bin\RingCentralMeetings.exe
Installer.exe
User:
admin
Company:
Zoom Video Communications, Inc. and RingCentral Inc.
Integrity Level:
MEDIUM
Description:
RingCentral Meetings
Version:
6,3,15457,1221
2792C:\Users\admin\AppData\Roaming\RingCentralMeetings\bin\RingCentralMeetings.exe --action=join --runaszvideo=TRUE C:\Users\admin\AppData\Roaming\RingCentralMeetings\bin\RingCentralMeetings.exe
RingCentralMeetings.exe
User:
admin
Company:
Zoom Video Communications, Inc. and RingCentral Inc.
Integrity Level:
MEDIUM
Description:
RingCentral Meetings
Version:
6,3,15457,1221
Total events
1 213
Read events
1 142
Write events
0
Delete events
0

Modification events

No data
Executable files
98
Suspicious files
9
Text files
13
Unknown types
4

Dropped files

PID
Process
Filename
Type
3372RingCentralMeetings_launcher.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Zoom.msi —
MD5:—
SHA256:—
3300Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\ring.pcmbinary
MD5:8CB38998FFA6B56164C375375EB01DB0
SHA256:2F6BBE479C720072CE7A34182389BEC94AAC83310326F312C826F2F95C2A6EEA
3300Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\libfaac.dllexecutable
MD5:E126B3E775D4BD4FEF837939250966E1
SHA256:D97234B8347453922EB907BD58F5F2264EBB632A187876682F7DF9524C2FD368
3372RingCentralMeetings_launcher.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exeexecutable
MD5:B15CB6EE6706E12B6D88EC4E20FFC864
SHA256:C9677A5D4ABE53C9E2EBEEDDCC7F3413426F967661E6C15DC628BF18BEA29A62
3300Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\nprcmsplugin.dllexecutable
MD5:A552EBCE65307D94394C084A00D952F0
SHA256:7E07D5D38EA99BD98A80B75BF9A5789B4B068A365EAA6A025ABEA0E5A4321980
3300Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\CptShare.dllexecutable
MD5:DEB541E909FB3D46D2B40302A052CD7D
SHA256:401FA7E006E7159042D43B9693F558B26414270FB289679E9490B0BAB5E02266
3300Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\CmmBrowserEngine.dllexecutable
MD5:931CA7F72666816B86CE129673B945C9
SHA256:7923C29FE2AABC3AE9AB195163B738EC8953CF4DCF72B3FEAD90CDF6BD3071E9
3300Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\mcm.dllexecutable
MD5:2DD422A882D665E781E7BC301283012B
SHA256:1E72E2D3B9096317937C9D85452814FD7F8470C2404C021C805F4AEC0279D51C
3300Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\nydus.dllexecutable
MD5:4C1BD6F9671C67E075ACB2507275567F
SHA256:415FC5AFBC1649B7CCD21B957AEB7022DD8B58CACDEDBF743F2D170AC51A1F79
3300Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\airhost.exeexecutable
MD5:16741020B1C7DBC147239E765026328F
SHA256:34BBADB1A253B3D870D36A442AB90D2C39F73C0280B24CF9DF6314899A1F703F
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
6
DNS requests
4
Threats
0

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
3372
RingCentralMeetings_launcher.exe
52.205.152.54:443
ringcentral.zoom.us
Amazon.com, Inc.
US
unknown
3436
RingCentralMeetings.exe
52.44.149.11:443
ringcentral.zoom.us
Amazon.com, Inc.
US
unknown
2792
RingCentralMeetings.exe
52.205.152.54:443
ringcentral.zoom.us
Amazon.com, Inc.
US
unknown
3436
RingCentralMeetings.exe
104.245.57.62:443
api-rcm.ringcentral.com
RingCentral Inc
US
unknown

DNS requests

Domain
IP
Reputation
ringcentral.zoom.us
  • 52.205.152.54
  • 52.44.149.11
whitelisted
api-rcm.ringcentral.com
  • 104.245.57.62
unknown

Threats

PID
Process
Class
Message
3372
RingCentralMeetings_launcher.exe
Generic Protocol Command Decode
SURICATA STREAM excessive retransmissions
3372
RingCentralMeetings_launcher.exe
Generic Protocol Command Decode
SURICATA STREAM excessive retransmissions
Process
Message
RingCentralMeetings_launcher.exe
WinMain start, lpCmdLine is:
RingCentralMeetings_launcher.exe
WinMain start, parameter is:
RingCentralMeetings_launcher.exe
package.name=Zoom.msi&package.version=latest&package.size=15988k&downloadRoot=https://ringcentral.zoom.us/client&action=join&browser=firefox&confid=dGlkPTM2NjVkMWJlZWY4ZjU2ZjljM2Y5OWE5YzM5YTcwOGI1&confno=3164689608&zc=0&mcv=0.92.11227.0929&sta=false&installer.exe=Installer.exe
RingCentralMeetings_launcher.exe
CZpDownloadMgr::FindParam
RingCentralMeetings_launcher.exe
package.name
RingCentralMeetings_launcher.exe
Zoom.msi
RingCentralMeetings_launcher.exe
CZpDownloadMgr::FindParam
RingCentralMeetings_launcher.exe
package.version
RingCentralMeetings_launcher.exe
latest
RingCentralMeetings_launcher.exe
CZpDownloadMgr::FindParam
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Reports
RingCentralMeetings_launcher.exe