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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

      • Dropbox.exe (PID: 2332)
      • DropboxClient_69.4.102[1].exe (PID: 1592)
      • regsvr32.exe (PID: 1796)
      • regsvr32.exe (PID: 3004)
    • 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)
    • Modifies the open verb of a shell class

      • Dropbox.exe (PID: 2332)
    • Creates a software uninstall entry

      • Dropbox.exe (PID: 2332)
    • Creates COM task schedule object

      • regsvr32.exe (PID: 1796)
    • Executable content was dropped or overwritten

      • Dropbox.exe (PID: 2332)
      • DropboxClient_69.4.102[1].exe (PID: 1592)
    • Creates files in the user directory

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

    • Application launched itself

      • iexplore.exe (PID: 3308)
    • Changes internet zones settings

      • iexplore.exe (PID: 3308)
    • Reads Internet Cache Settings

      • iexplore.exe (PID: 3604)
      • iexplore.exe (PID: 3308)
    • Creates files in the user directory

      • iexplore.exe (PID: 3604)
    • Dropped object may contain Bitcoin addresses

      • Dropbox.exe (PID: 2332)
      • DropboxClient_69.4.102[1].exe (PID: 1592)
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
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)
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)
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
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
1796C:\Windows\system32\regsvr32.exe /S C:\Users\admin\AppData\Roaming\Dropbox\bin\DropboxExt.27.0.dllC:\Windows\system32\regsvr32.exeDropbox.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)
3004C:\Windows\system32\regsvr32.exe /S C:\Users\admin\AppData\Roaming\Dropbox\bin\DropboxOfficeAddin.13.dllC:\Windows\system32\regsvr32.exeDropbox.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)
Total events
1 185
Read events
982
Write events
0
Delete events
0

Modification events

No data
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:
3308iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{E915D7BA-4C04-11E9-B63D-5254004A04AF}.datbinary
MD5:A5A4681C24D3F9D6C3A882C4C28C2386
SHA256:A5681F34E60F725AD4AB0C029A735A061AE3200E9D9372B406D068A0F907D974
3308iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\History\History.IE5\MSHist012019032120190322\index.datdat
MD5:41ECB50D4E5A19EB77CADA22558122C7
SHA256:63E6AC65D84D8AD84CED45B861303A6960C3671478D17CA5ABE6A07503BC0AD9
1592DropboxClient_69.4.102[1].exeC:\Users\admin\AppData\Roaming\Dropbox\Client_69.4.102\Dropbox.VisualElementsManifest.xmltext
MD5:24E3650048C439D4258AA9FF16405B3D
SHA256:2160A0DA0DE79006A00F5B98AB1A95840AE352B11070DCB5DB7037D1A9377B87
3604iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\History\Low\History.IE5\MSHist012019032120190322\index.datdat
MD5:14F373547A13F3DF564FA938C9424B18
SHA256:D152846C83725BB027D48BEC4122053CC1035378A0A6C57841DE5350C8365ACE
1592DropboxClient_69.4.102[1].exeC:\Users\admin\AppData\Roaming\Dropbox\Client_69.4.102\API-MS-Win-core-xstate-l2-1-0.dllexecutable
MD5:86D10A6865882224A44C3C1F1872E291
SHA256:69218878A5EA7DB3935423CA865E1F51E341C035D8B970F2D6AC4B593E5FA31C
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
0

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
3604
iexplore.exe
Generic Protocol Command Decode
SURICATA STREAM excessive retransmissions
1592
DropboxClient_69.4.102[1].exe
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'