URL:

http://clientupdates.dropboxstatic.com/dbx-releng/client/DropboxClient_69.4.102.exe

Full analysis: https://app.any.run/tasks/9b4b7c59-c3bf-448d-8c00-c15a39811c79
Verdict: Malicious activity
Analysis date: March 21, 2019, 18:12:25
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

C8F40AF65C79DC8011CB3D993EECD8A9

SHA1:

26378B8CBA8B0ACCFE3EF9DF5B1E278649DCEFDC

SHA256:

4C54492EDCAE8ED3CC9B0F2C7D50621F2BF4D638A7B50B1B6F0652879046350D

SSDEEP:

3:N1KdJMtB4AMBaVmWEpdBB+eQoKAMALR6TRpN:Cc4nHDpd3XQo0uqpN

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

      • DropboxClient_69.4.102[1].exe (PID: 1592)
      • Dropbox.exe (PID: 2332)
      • regsvr32.exe (PID: 3004)
      • regsvr32.exe (PID: 1796)

    • Application was dropped or rewritten from another process

      • Dropbox.exe (PID: 2332)

    • Registers / Runs the DLL via REGSVR32.EXE

      • Dropbox.exe (PID: 2332)

  • SUSPICIOUS

    • Loads Python modules

      • Dropbox.exe (PID: 2332)

    • Creates COM task schedule object

      • regsvr32.exe (PID: 1796)

    • Creates a software uninstall entry

      • Dropbox.exe (PID: 2332)

    • Creates files in the user directory

      • Dropbox.exe (PID: 2332)
      • DropboxClient_69.4.102[1].exe (PID: 1592)

    • Executable content was dropped or overwritten

      • DropboxClient_69.4.102[1].exe (PID: 1592)
      • Dropbox.exe (PID: 2332)

    • Modifies the open verb of a shell class

      • Dropbox.exe (PID: 2332)

  • INFO

    • Creates files in the user directory

      • iexplore.exe (PID: 3604)

    • Application launched itself

      • iexplore.exe (PID: 3308)

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 3308)
      • iexplore.exe (PID: 3604)

    • Changes internet zones settings

      • iexplore.exe (PID: 3308)

    • Dropped object may contain Bitcoin addresses

      • DropboxClient_69.4.102[1].exe (PID: 1592)
      • Dropbox.exe (PID: 2332)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
34
Monitored processes
6
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start iexplore.exe iexplore.exe dropboxclient_69.4.102[1].exe dropbox.exe regsvr32.exe no specs regsvr32.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1592"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I0488CJO\DropboxClient_69.4.102[1].exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I0488CJO\DropboxClient_69.4.102[1].exe
iexplore.exe
User:
admin
Company:
Dropbox, Inc.
Integrity Level:
MEDIUM
Description:
Dropbox 69.4.102 Installer
Exit code:
0
Version:
69.4.102
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\content.ie5\i0488cjo\dropboxclient_69.4.102[1].exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
1796C:\Windows\system32\regsvr32.exe /S C:\Users\admin\AppData\Roaming\Dropbox\bin\DropboxExt.27.0.dllC:\Windows\system32\regsvr32.exe—Dropbox.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft(C) Register Server
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\regsvr32.exe
c:\systemroot\system32\ntdll.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\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
2332"C:\Users\admin\AppData\Roaming\Dropbox\bin\..\Client_69.4.102\Dropbox.exe" /install /InstallType:USER /InstallDir:"C:\Users\admin\AppData\Roaming\Dropbox\bin" /KillEveryone:YES /DBData:C:\Users\admin\AppData\Roaming\Dropbox\Client_69.4.102\Dropbox.exe
DropboxClient_69.4.102[1].exe
User:
admin
Company:
Dropbox, Inc.
Integrity Level:
MEDIUM
Description:
Dropbox
Exit code:
3
Version:
69.4.102
Modules
Images
c:\users\admin\appdata\roaming\dropbox\client_69.4.102\dropbox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
3004C:\Windows\system32\regsvr32.exe /S C:\Users\admin\AppData\Roaming\Dropbox\bin\DropboxOfficeAddin.13.dllC:\Windows\system32\regsvr32.exe—Dropbox.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft(C) Register Server
Exit code:
5
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\regsvr32.exe
c:\systemroot\system32\ntdll.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\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
3308"C:\Program Files\Internet Explorer\iexplore.exe" -nohomeC:\Program Files\Internet Explorer\iexplore.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\systemroot\system32\ntdll.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\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
3604"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3308 CREDAT:71937C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\systemroot\system32\ntdll.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\rpcrt4.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
Total events
1 185
Read events
982
Write events
201
Delete events
2

Modification events

(PID) Process:(3308) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(3308) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3308) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3308) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones
Operation:writeName:SecuritySafe
Value:
1
(PID) Process:(3308) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3308) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(3308) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Recovery\Active
Operation:writeName:{E915D7B9-4C04-11E9-B63D-5254004A04AF}
Value:
0
(PID) Process:(3308) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Type
Value:
4
(PID) Process:(3308) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Count
Value:
1
(PID) Process:(3308) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Time
Value:
E30703000400150012000C0028007B00
Executable files
368
Suspicious files
32
Text files
487
Unknown types
10

Dropped files

PID
Process
Filename
Type
3308iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\favicon[1].ico —
MD5:—
SHA256:—
3308iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
3308iexplore.exeC:\Users\admin\AppData\Local\Temp\~DFB2A1539E6E747055.TMP —
MD5:—
SHA256:—
3604iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\7A9LW6LO\DropboxClient_69.4.102[1].exe —
MD5:—
SHA256:—
3308iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I0488CJO\DropboxClient_69.4.102[1].exe —
MD5:—
SHA256:—
3604iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\index.datdat
MD5:—
SHA256:—
3604iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\History\Low\History.IE5\index.datdat
MD5:—
SHA256:—
3308iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Feeds Cache\desktop.iniini
MD5:4A3DEB274BB5F0212C2419D3D8D08612
SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
1592DropboxClient_69.4.102[1].exeC:\Users\admin\AppData\Roaming\Dropbox\Client_69.4.102\Dropbox.VisualElementsManifest.xmltext
MD5:—
SHA256:—
1592DropboxClient_69.4.102[1].exeC:\Users\admin\AppData\Roaming\Dropbox\Client_69.4.102\API-MS-Win-core-xstate-l2-1-0.dllexecutable
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
3
DNS requests
2
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3604
iexplore.exe
GET
301
13.32.220.47:80
http://clientupdates.dropboxstatic.com/dbx-releng/client/DropboxClient_69.4.102.exe
US
html
183 b
whitelisted
3308
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 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
3308
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
3604
iexplore.exe
13.32.220.47:80
clientupdates.dropboxstatic.com
Amazon.com, Inc.
US
unknown
3604
iexplore.exe
13.32.220.47:443
clientupdates.dropboxstatic.com
Amazon.com, Inc.
US
unknown

DNS requests

Domain
IP
Reputation
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
clientupdates.dropboxstatic.com
  • 13.32.220.47
unknown

Threats

PID
Process
Class
Message
—
—
Generic Protocol Command Decode
SURICATA STREAM excessive retransmissions
—
—
Potential Corporate Privacy Violation
ET POLICY Dropbox.com Offsite File Backup in Use
Process
Message
Dropbox.exe
!! dropbox: assigning process to named job object dbx2332
Dropbox.exe
!! dropbox: assigned process to named job object with handle 00000094
Dropbox.exe
dropbox: loading watchdog
Dropbox.exe
dropbox: loaded watchdog. executing watchdog_main
Dropbox.exe
dropbox: package full name is <unpackaged>
Dropbox.exe
dropbox: loading bootstrap
Dropbox.exe
dropbox: initializing
Dropbox.exe
dropbox: initializing python 3.6.7
Dropbox.exe
dropbox: setting program path 'C:\Users\admin\AppData\Roaming\Dropbox\Client_69.4.102\Dropbox.exe'
Dropbox.exe
dropbox: setting home path 'C:\Users\admin\AppData\Roaming\Dropbox\Client_69.4.102'
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Reports
http://clientupdates.dropboxstatic.com/dbx-releng/client/DropboxClient_69.4.102.exe