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File name:

RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe

Full analysis: https://app.any.run/tasks/2d7c0c09-6520-4f8c-8832-cb929974d7be
Verdict: Malicious activity
Analysis date: March 30, 2020, 21:13:03
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:

0DD066CABE96821189596C37FD290268

SHA1:

9509762A17F18696AB7006BE080061DA422898E5

SHA256:

0A473B3F6EA3E4C79DCCAC7330271D1677F61CB51C20D1F656598458C7E1BB26

SSDEEP:

1536:gqWYZeUxiqyVuvDcazwnxDP1gWf0Tmm/VBs7ZsQhxFLYFWA:BWYZeUUqy4DKxf0TmasZsQhUD

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: 1756)
      • Installer.exe (PID: 608)
      • RingCentralMeetings.exe (PID: 2612)
      • RingCentralMeetings.exe (PID: 2608)

    • Loads dropped or rewritten executable

      • Installer.exe (PID: 1756)
      • RingCentralMeetings.exe (PID: 2612)
      • RingCentralMeetings.exe (PID: 2608)

    • Changes settings of System certificates

      • RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe (PID: 3352)

  • SUSPICIOUS

    • Reads Internet Cache Settings

      • RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe (PID: 3352)

    • Creates files in the user directory

      • RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe (PID: 3352)
      • RingCentralMeetings.exe (PID: 2612)
      • Installer.exe (PID: 1756)
      • RingCentralMeetings.exe (PID: 2608)

    • Application launched itself

      • Installer.exe (PID: 1756)
      • RingCentralMeetings.exe (PID: 2612)

    • Executable content was dropped or overwritten

      • RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe (PID: 3352)
      • Installer.exe (PID: 1756)

    • Creates a software uninstall entry

      • Installer.exe (PID: 1756)

    • Starts itself from another location

      • RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe (PID: 3352)

    • Modifies the open verb of a shell class

      • Installer.exe (PID: 1756)

    • Changes IE settings (feature browser emulation)

      • Installer.exe (PID: 1756)

    • Starts application with an unusual extension

      • RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe (PID: 3352)

    • Adds / modifies Windows certificates

      • RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe (PID: 3352)

  • INFO

    • Dropped object may contain Bitcoin addresses

      • Installer.exe (PID: 1756)

    • Reads settings of System Certificates

      • RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe (PID: 3352)
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: 2019:12:17 15:00:56+01:00
PEType: PE32
LinkerVersion: 9
CodeSize: 36864
InitializedDataSize: 16896
UninitializedDataSize: -
EntryPoint: 0x1276
OSVersion: 5
ImageVersion: -
SubsystemVersion: 5
Subsystem: Windows GUI
FileVersionNumber: 19.4.23042.1217
ProductVersionNumber: 19.4.23042.1217
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Windows, Latin1
Comments: RingCentral Meetings Opener
CompanyName: RingCentral Video Communications, Inc. and RingCentral Inc.
FileDescription: RingCentral Meetings Opener
FileVersion: 19,4,23042,1217
InternalName: RingCentral Meetings Opener
LegalCopyright: Copyright ©2012-2019 Zoom Video Communications, Inc. and RingCentral Inc. All rights reserved.
LegalTrademarks: RingCentral Meetings Opener
OriginalFileName: RingCentral Meetings Opener
ProductName: RingCentral Meetings Opener
ProductVersion: 19,4,23042,1217

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 17-Dec-2019 14:00:56
Detected languages:
  • English - United States
Debug artifacts:
  • d:\ZoomCode\svn-br-41-127507\Bin\Release\ZoomWebLauncher_ringcentral.pdb
Comments: RingCentral Meetings Opener
CompanyName: RingCentral Video Communications, Inc. and RingCentral Inc.
FileDescription: RingCentral Meetings Opener
FileVersion: 19,4,23042,1217
InternalName: RingCentral Meetings Opener
LegalCopyright: Copyright ©2012-2019 Zoom Video Communications, Inc. and RingCentral Inc. All rights reserved.
LegalTrademarks: RingCentral Meetings Opener
OriginalFilename: RingCentral Meetings Opener
ProductName: RingCentral Meetings Opener
ProductVersion: 19,4,23042,1217

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: 0x000000D0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 17-Dec-2019 14:00:56
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
0x00008FE4
0x00009000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.43156
.rdata
0x0000A000
0x00002401
0x00002600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.47063
.data
0x0000D000
0x0000014C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0.10191
.rsrc
0x0000E000
0x00000EE8
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.30733
.reloc
0x0000F000
0x00000922
0x00000A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
5.89188

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.44454
1276
UNKNOWN
English - United States
RT_VERSION
2
1.91924
20
UNKNOWN
English - United States
RT_GROUP_ICON
7
2.93352
224
UNKNOWN
English - United States
RT_STRING
32
3.08868
462
UNKNOWN
English - United States
RT_STRING
33
3.11204
290
UNKNOWN
English - United States
RT_STRING

Imports

ADVAPI32.dll
CRYPT32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
44
Monitored processes
6
Malicious processes
5
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start drop and start start drop and start ringcentralmeetingslauncher_u5fxikfwus8_adb835f42203705c.exe installer.exe installer.exe ringcentralmeetings.exe zmdf0e.tmp no specs ringcentralmeetings.exe

Process information

PID
CMD
Path
Indicators
Parent process
3352"C:\Users\admin\AppData\Local\Temp\RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe" C:\Users\admin\AppData\Local\Temp\RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe
explorer.exe
User:
admin
Company:
RingCentral Video Communications, Inc. and RingCentral Inc.
Integrity Level:
MEDIUM
Description:
RingCentral Meetings Opener
Exit code:
0
Version:
19,4,23042,1217
1756"C:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exe" ZInstaller --conf.mode=silent --ipc_wnd=655650C:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exe
RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe
User:
admin
Company:
RingCentral Video Communications, Inc. and RingCentral Inc.
Integrity Level:
MEDIUM
Description:
RingCentral Meetings Installer
Exit code:
0
Version:
19,4,23042,1217
608"C:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exe" /addfwexception --bin_home=C:\Users\admin\AppData\Roaming\RINGCE~1\binC:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exe
Installer.exe
User:
admin
Company:
RingCentral Video Communications, Inc. and RingCentral Inc.
Integrity Level:
HIGH
Description:
RingCentral Meetings Installer
Exit code:
0
Version:
19,4,23042,1217
2612"C:\Users\admin\AppData\Roaming\RingCentralMeetings\bin\RingCentralMeetings.exe" "--url=zoomrc://win.launch?action=join&browser=chrome&confid=dGlkPVFQTGdaanllUUIyanRHX21SNHVXMkE%3D&confno=1487015680&mcv=0.92.11227.0929&zc=0"C:\Users\admin\AppData\Roaming\RingCentralMeetings\bin\RingCentralMeetings.exe
RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe
User:
admin
Company:
RingCentral Video Communications, Inc. and RingCentral Inc.
Integrity Level:
MEDIUM
Description:
RingCentral Meetings
Version:
19,4,23042,1217
1116"C:\Users\admin\AppData\Local\Temp\zmDF0E.tmp" -DAF8C715436E44649F1312698287E6A5=C:\Users\admin\AppData\Local\Temp\RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exeC:\Users\admin\AppData\Local\Temp\zmDF0E.tmp—RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe
User:
admin
Company:
RingCentral Video Communications, Inc. and RingCentral Inc.
Integrity Level:
MEDIUM
Description:
RingCentral Meetings Opener
Exit code:
0
Version:
19,4,23042,1217
2608C:\Users\admin\AppData\Roaming\RingCentralMeetings\bin\RingCentralMeetings.exe --action=preload --runaszvideo=TRUE C:\Users\admin\AppData\Roaming\RingCentralMeetings\bin\RingCentralMeetings.exe
RingCentralMeetings.exe
User:
admin
Company:
RingCentral Video Communications, Inc. and RingCentral Inc.
Integrity Level:
MEDIUM
Description:
RingCentral Meetings
Version:
19,4,23042,1217
Total events
6 761
Read events
1 592
Write events
0
Delete events
0

Modification events

No data
Executable files
99
Suspicious files
9
Text files
16
Unknown types
3

Dropped files

PID
Process
Filename
Type
3352RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\N0KZ3Q6H.txt —
MD5:—
SHA256:—
3352RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\UDJV13IP.txt —
MD5:—
SHA256:—
3352RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Zoom.msi —
MD5:—
SHA256:—
3352RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\29DHH92W.txttext
MD5:1748199751529067E136B5843B297BB4
SHA256:E77BD0AA00A3C20E997D9C8A7472E4FAFDF0728CAEAC2539AB918F84DF9B3275
3352RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\ZoomDownload\Installer.exeexecutable
MD5:4187596A82F52FFB6150BD65B6365F89
SHA256:CF5EC12DDA4B89CC133E448EA6649CE70E1AF9AF992A97DB836E25B95165D521
1756Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\Installer.exeexecutable
MD5:4187596A82F52FFB6150BD65B6365F89
SHA256:CF5EC12DDA4B89CC133E448EA6649CE70E1AF9AF992A97DB836E25B95165D521
1756Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\ssb_sdk.dllexecutable
MD5:DAB22B9A5F826AFEBF2A98843D97583C
SHA256:5CA7EFDCA0A186BC0957449C856D4AACC460E1825D31B1A65170F6CB72E1B4D9
1756Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\annoter.dllexecutable
MD5:02A597344BA42D65005EFC32B5570453
SHA256:7D40CB65AAFF9E7B701FD6D45551F4F839008C654048E00A8B853595025744A1
1756Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\airhost.exeexecutable
MD5:48002A27EC4056359CBE794D0E36AD2D
SHA256:ADC656676C6D520706C00F6FADE9E3FF9F85CBCD274BD203C9A838EA981D29C1
1756Installer.exeC:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\nprcmsplugin.dllexecutable
MD5:02ABF0EB7A13BB4ABEDC1358917B332C
SHA256:1E434CF0421696FEADDA6702FD13F81F312FCC40A4EA4BBD22939166E9B03CBD
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
8
DNS requests
3
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
2608
RingCentralMeetings.exe
3.221.179.135:443
ringcentral.zoom.us
—
US
unknown
2612
RingCentralMeetings.exe
3.221.179.135:443
ringcentral.zoom.us
—
US
unknown
3352
RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe
34.196.32.114:443
ringcentral.zoom.us
Amazon.com, Inc.
US
unknown
2612
RingCentralMeetings.exe
104.245.57.62:443
api-rcm.ringcentral.com
RingCentral Inc
US
unknown

DNS requests

Domain
IP
Reputation
ringcentral.zoom.us
  • 34.196.32.114
  • 52.2.151.19
  • 52.206.53.125
  • 3.221.179.135
whitelisted
api-rcm.ringcentral.com
  • 104.245.57.62
unknown

Threats

No threats detected
Process
Message
Installer.exe
[ProductPathHelper::RecursiveRemoveDirA] Path is:
Installer.exe
C:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src
Installer.exe
[ProductPathHelper::RecursiveRemoveDirA] Path is:
Installer.exe
C:\Users\admin\AppData\Roaming\RingCentralMeetings\uninstall
Installer.exe
[ProductPathHelper::RecursiveRemoveDirA] Path is:
Installer.exe
C:\Users\admin\AppData\Roaming\RingCentralMeetings\bin
Installer.exe
[CZoomProductPathHelper::RecursiveRemoveDirA] Path is:
Installer.exe
C:\Users\admin\AppData\Roaming\RingCentralMeetings\zoom_install_src\
RingCentralMeetings.exe
App Start with Web join! Url:
RingCentralMeetings.exe
zoomrc://win.launch?action=join&browser=chrome&confid=dGlkPVFQTGdaanllUUIyanRHX21SNHVXMkE%3D&confno=1487015680&mcv=0.92.11227.0929&zc=0
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Reports
RingCentralMeetingslauncher_u5fxikfwus8_adb835f42203705c.exe