File name:

webex.exe

Full analysis: https://app.any.run/tasks/1e75d1b2-ce05-4d6f-b8da-f6f31df99ff2
Verdict: Malicious activity
Analysis date: March 05, 2020, 09:57:06
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:

0211FEEF41043925FDD1BF500432FC6B

SHA1:

E64FAEA55D844971B494AA9F23F3FCCB42B506AD

SHA256:

FD6CA42CB6ABAFE925ED32B16395B4092AA80666DBD454990E5B8C3E5A1DC509

SSDEEP:

49152:ekDIiVWYzJ/xs1w2pNwhwvHiGHrghWTut+bsTdS8feMXUsBO/o:ekDSYA1w2pNwOfiGLgxt+re

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

      • webex.exe (PID: 3996)
      • atmgr.exe (PID: 2068)

    • Changes settings of System certificates

      • webex.exe (PID: 3996)

    • Application was dropped or rewritten from another process

      • webex.exe (PID: 3224)
      • atmgr.exe (PID: 2068)
      • atcliun.exe (PID: 3128)
      • WEBEXA~1.EXE (PID: 3488)

  • SUSPICIOUS

    • Reads Internet Cache Settings

      • webex.exe (PID: 3996)
      • atmgr.exe (PID: 2068)

    • Changes IE settings (feature browser emulation)

      • atmgr.exe (PID: 2068)

    • Executable content was dropped or overwritten

      • webex.exe (PID: 3996)
      • atmgr.exe (PID: 2068)

    • Creates a software uninstall entry

      • atcliun.exe (PID: 3128)

    • Modifies the open verb of a shell class

      • webex.exe (PID: 3224)

    • Creates COM task schedule object

      • atmgr.exe (PID: 2068)

  • INFO

    • Dropped object may contain Bitcoin addresses

      • atmgr.exe (PID: 2068)

    • Reads settings of System Certificates

      • atmgr.exe (PID: 2068)
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) (3.6)
.exe | Generic Win/DOS Executable (1.6)
.exe | DOS Executable Generic (1.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:02:28 05:58:57+01:00
PEType: PE32
LinkerVersion: 14.16
CodeSize: 1891840
InitializedDataSize: 1068032
UninitializedDataSize: -
EntryPoint: 0x16b773
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 10050.2.2020.228
ProductVersionNumber: 10050.2.2020.228
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Dynamic link library
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Cisco Webex LLC
FileDescription: Cisco Webex Meeting
FileVersion: 10050,2,2020,0228
InternalName: CiscoWebExStart
LegalCopyright: © 2019 Cisco and/or its affiliates. All rights reserved.
OriginalFileName: CiscoWebExStart.exe
ProductName: Cisco Webex Meeting
ProductVersion: 10050,2,2020,0228
GPCVersion: 3
UrlProtocolVersion: 1

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 28-Feb-2020 04:58:57
Detected languages:
  • Chinese - PRC
  • Chinese - Taiwan
  • Danish - Denmark
  • Dutch - Netherlands
  • English - United States
  • French - France
  • German - Germany
  • Italian - Italy
  • Japanese - Japan
  • Korean - Korea
  • Portuguese - Brazil
  • Russian - Russia
  • Spanish - Mexico
  • Spanish - Spain (International sort)
  • Swedish - Sweden
  • Turkish - Turkey
Debug artifacts:
  • O:\webex-windows-plugin\output\maps\Release\CiscoWebExStart.pdb
CompanyName: Cisco Webex LLC
FileDescription: Cisco Webex Meeting
FileVersion: 10050,2,2020,0228
InternalName: CiscoWebExStart
LegalCopyright: © 2019 Cisco and/or its affiliates. All rights reserved.
OriginalFilename: CiscoWebExStart.exe
ProductName: Cisco Webex Meeting
ProductVersion: 10050,2,2020,0228
GPCVersion: 3
UrlProtocolVersion: 1

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: 0x00000130

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 28-Feb-2020 04:58:57
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
0x001CDC1A
0x001CDE00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.67632
.rdata
0x001CF000
0x0008459C
0x00084600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.74473
.data
0x00254000
0x00019514
0x0000C000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.14743
.rsrc
0x0026E000
0x00048F40
0x00049000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.00572
.reloc
0x002B7000
0x0001DE24
0x0001E000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.64094

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.91161
381
UNKNOWN
English - United States
RT_MANIFEST
2
2.78316
1064
UNKNOWN
English - United States
RT_ICON
3
3.12693
16936
UNKNOWN
English - United States
RT_ICON
4
3.3525
9640
UNKNOWN
English - United States
RT_ICON
5
3.46429
6760
UNKNOWN
English - United States
RT_ICON
6
3.63817
4264
UNKNOWN
English - United States
RT_ICON
7
3.8938
2440
UNKNOWN
English - United States
RT_ICON
8
3.00149
714
UNKNOWN
Spanish - Spain (International sort)
RT_STRING
9
4.82731
1128
UNKNOWN
English - United States
RT_ICON
10
2.23879
2216
UNKNOWN
English - United States
RT_ICON

Imports

ADVAPI32.dll
AUTHZ.dll
COMCTL32.dll
CRYPT32.dll
GDI32.dll
IMM32.dll
KERNEL32.dll
MSIMG32.dll
OLEACC.dll
OLEAUT32.dll

Exports

Title
Ordinal
Address
GetWclAccObject
1
0x0016157F
GetWclAccObjectUsage
2
0x00161632
GetWclAccStyleByClassName
3
0x00165617
No data.
screenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
5
Malicious processes
3
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start start drop and start drop and start drop and start webex.exe atmgr.exe webexa~1.exe webex.exe atcliun.exe

Process information

PID
CMD
Path
Indicators
Parent process
2068 /mcstd "C:\Users\admin\AppData\LocalLow\WebEx"C:\Users\admin\AppData\Local\WebEx\WebEx\Meetings\atmgr.exe
webex.exe
User:
admin
Company:
Cisco Webex LLC
Integrity Level:
MEDIUM
Description:
Cisco Webex Service
Exit code:
0
Version:
4002.0000.2001.1800
Modules
Images
c:\users\admin\appdata\local\webex\webex\meetings\atmgr.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
c:\windows\system32\msvcrt.dll
3128C:\Users\admin\AppData\Local\WebEx\atcliun.exe /r MC language=SPC:\Users\admin\AppData\Local\WebEx\atcliun.exe
atmgr.exe
User:
admin
Company:
Cisco System Inc.
Integrity Level:
MEDIUM
Description:
Cisco Webex Uninstaller
Exit code:
0
Version:
2800.4001.1912.1001
Modules
Images
c:\users\admin\appdata\local\webex\atcliun.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3224"C:\Users\admin\appdata\local\webex\webex.exe" /rC:\Users\admin\appdata\local\webex\webex.exe
atmgr.exe
User:
admin
Company:
Cisco Webex LLC
Integrity Level:
MEDIUM
Description:
Cisco Webex Meeting
Exit code:
1
Version:
10050,2,2020,0228
Modules
Images
c:\users\admin\appdata\local\webex\webex.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\api-ms-win-downlevel-user32-l1-1-0.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
3488"C:\Users\admin\appdata\local\webex\WEBEXA~1.EXE" /rC:\Users\admin\appdata\local\webex\WEBEXA~1.EXE
atmgr.exe
User:
admin
Company:
Cisco WebEx LLC
Integrity Level:
MEDIUM
Description:
WebEx Productivity Tools Application
Exit code:
0
Version:
3911,0,2001,1600
Modules
Images
c:\users\admin\appdata\local\webex\webexa~1.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\api-ms-win-downlevel-user32-l1-1-0.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
3996"C:\Users\admin\AppData\Local\Temp\webex.exe" C:\Users\admin\AppData\Local\Temp\webex.exe
explorer.exe
User:
admin
Company:
Cisco Webex LLC
Integrity Level:
MEDIUM
Description:
Cisco Webex Meeting
Exit code:
0
Version:
10050,2,2020,0228
Modules
Images
c:\users\admin\appdata\local\temp\webex.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\api-ms-win-downlevel-user32-l1-1-0.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
Total events
2 164
Read events
2 040
Write events
124
Delete events
0

Modification events

(PID) Process:(3996) webex.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3996) webex.exeKey:HKEY_CURRENT_USER\Software\Microsoft\SystemCertificates\CA\Certificates\92C1588E85AF2201CE7915E8538B492F605B80C6
Operation:writeName:Blob
Value:
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
(PID) Process:(3996) webex.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3996) webex.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
46000000A1000000010000000000000000000000000000000000000000000000C0E333BBEAB1D301000000000000000000000000020000001700000000000000FE800000000000007D6CB050D9C573F70B000000000000006D00330032005C004D00530049004D004700330032002E0064006C000100000004AA400014AA4000040000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000C0A8016400000000000000000000000000000000000000000800000000000000805D3F00983740000008000002000000000000600000002060040000B8A94000020000008802000060040000B8A9400004000000F8010000B284000088B64000B84B400043003A000000000000000000000000000000000000000000
(PID) Process:(3996) webex.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(3996) webex.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(3996) webex.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(3996) webex.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\NativeMessagingHosts\com.webex.meeting
Operation:writeName:
Value:
C:\Users\admin\AppData\Local\WebEx\chrome.json
(PID) Process:(3996) webex.exeKey:HKEY_CURRENT_USER\Software\Mozilla\NativeMessagingHosts\com.webex.meeting
Operation:writeName:
Value:
C:\Users\admin\AppData\Local\WebEx\firefox.json
(PID) Process:(3996) webex.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
Executable files
202
Suspicious files
214
Text files
15
Unknown types
3

Dropped files

PID
Process
Filename
Type
3996webex.exeC:\Users\admin\AppData\Local\Temp\Cab7F89.tmp —
MD5:—
SHA256:—
3996webex.exeC:\Users\admin\AppData\Local\Temp\Tar7F8A.tmp —
MD5:—
SHA256:—
3996webex.exeC:\Users\admin\AppData\Local\Temp\Cab7FB9.tmp —
MD5:—
SHA256:—
3996webex.exeC:\Users\admin\AppData\Local\Temp\Tar7FBA.tmp —
MD5:—
SHA256:—
3996webex.exeC:\Users\admin\AppData\Local\Temp\Cab8F3D.tmp —
MD5:—
SHA256:—
3996webex.exeC:\Users\admin\AppData\Local\Temp\Tar8F3E.tmp —
MD5:—
SHA256:—
3996webex.exeC:\Users\admin\AppData\Local\Temp\wbx8D67.tmp —
MD5:—
SHA256:—
3996webex.exeC:\Users\admin\AppData\Local\Temp\wbxB6DC.tmp —
MD5:—
SHA256:—
3996webex.exeC:\Users\admin\AppData\Local\WebEx\WebEx\Meetings\atgpcdec.dll.tmp —
MD5:—
SHA256:—
3996webex.exeC:\Users\admin\AppData\Local\Temp\wbxB6DD.tmp —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
41
DNS requests
6
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3996
webex.exe
GET
200
52.214.133.244:80
http://ocsp.quovadisglobal.com/MFUwUzBRME8wTTAJBgUrDgMCGgUABBTyhcKR1A4XhQLFZRt5u%2BT8TDsYdQQUGoRivEhMMyUE1O7Q9gPEGUbRlGsCFHUXFneD0EN%2BtVbDV5RuRWO469Os
IE
der
1.78 Kb
whitelisted
3996
webex.exe
GET
200
52.219.73.58:80
http://crl.quovadisglobal.com/qvrca2.crl
DE
der
1.50 Kb
shared
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3996
webex.exe
62.109.230.11:443
es-orange.webex.com
Cisco Webex LLC
NL
unknown
2068
atmgr.exe
62.109.230.11:443
es-orange.webex.com
Cisco Webex LLC
NL
unknown
3996
webex.exe
104.18.10.39:80
cacerts.digicert.com
Cloudflare Inc
US
shared
3996
webex.exe
52.214.133.244:80
ocsp.quovadisglobal.com
Amazon.com, Inc.
IE
unknown
3996
webex.exe
23.62.114.191:443
akamaicdn.webex.com
Akamai Technologies, Inc.
NL
unknown
2068
atmgr.exe
23.62.114.191:443
akamaicdn.webex.com
Akamai Technologies, Inc.
NL
unknown
3996
webex.exe
52.219.73.58:80
crl.quovadisglobal.com
Amazon.com, Inc.
DE
unknown

DNS requests

Domain
IP
Reputation
cacerts.digicert.com
  • 104.18.10.39
  • 104.18.11.39
whitelisted
es-orange.webex.com
  • 62.109.230.11
unknown
ocsp.quovadisglobal.com
  • 52.214.133.244
whitelisted
crl.quovadisglobal.com
  • 52.219.73.58
shared
akamaicdn.webex.com
  • 23.62.114.191
whitelisted

Threats

No threats detected
Process
Message
webex.exe
WbxMapViewOfFile szMapFileName=WBX_TRACE_MAPVIEW_MAP_NAME_PRE_3996
webex.exe
WbxMapViewOfFile szMapFileName=WBX_TRACE_MAPVIEW_MAP_NAME_PRE_3996
webex.exe
WbxMapViewOfFile new lpBaseAddress=25100288
webex.exe
WbxMapViewOfFile reuse lpBaseAddress=25100288
webex.exe
WbxMapViewOfFile szMapFileName=WBX_TRACE_MAPVIEW_MAP_NAME_PRE_3996
webex.exe
WbxMapViewOfFile AddMapFileRef=1 lpBaseAddress=25100288
webex.exe
WbxMapViewOfFile
webex.exe
WbxMapViewOfFile AddMapFileRef data.dwRefCount=2
atmgr.exe
Install_Exception_Handler, meeting id = 0, session id = ******, meeting type = 0, langid = 0
atmgr.exe
WbxMapViewOfFile
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Reports
webex.exe