URL:

https://js.adsrvr.cn/up_loader.1.1.0.js

Full analysis: https://app.any.run/tasks/390d6228-be4b-4a84-846c-350c00be8a21
Verdict: Malicious activity
Analysis date: March 11, 2020, 15:35:40
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

7EEA8B7D846CFFE2970D0F01FBAEFC0C

SHA1:

E31136B450C8123F4A040D1FDB87B47B55464CA3

SHA256:

54BABFC65E3B2F92C99E649A026E046D57306B36DD7357FA93E114F04D50A210

SSDEEP:

3:N8uLUiKd+ULhPWn:2cUr+J

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

    No malicious indicators.
  • SUSPICIOUS

    • Executes scripts

      • iexplore.exe (PID: 2892)
  • INFO

    • Changes internet zones settings

      • iexplore.exe (PID: 2892)
    • Reads Internet Cache Settings

      • iexplore.exe (PID: 2892)
      • iexplore.exe (PID: 2760)
    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 2892)
    • Application launched itself

      • iexplore.exe (PID: 2892)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
4
Malicious processes
0
Suspicious processes
0

Behavior graph

Click at the process to see the details
start iexplore.exe iexplore.exe wscript.exe no specs wscript.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1676"C:\Windows\System32\WScript.exe" "C:\Users\admin\Downloads\up_loader.1.1.0.js" C:\Windows\System32\WScript.exeiexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft ® Windows Based Script Host
Exit code:
0
Version:
5.8.7600.16385
Modules
Images
c:\windows\system32\wscript.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
2376"C:\Windows\System32\WScript.exe" "C:\Users\admin\Downloads\up_loader.1.1.0.js" C:\Windows\System32\WScript.exeiexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft ® Windows Based Script Host
Exit code:
0
Version:
5.8.7600.16385
Modules
Images
c:\windows\system32\wscript.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
2760"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2892 CREDAT:267521 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
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\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
2892"C:\Program Files\Internet Explorer\iexplore.exe" https://js.adsrvr.cn/up_loader.1.1.0.jsC:\Program Files\Internet Explorer\iexplore.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
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\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
Total events
824
Read events
700
Write events
118
Delete events
6

Modification events

(PID) Process:(2760) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\LowCache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2760) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\LowCache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2760) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\LowCache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2892) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
3542815858
(PID) Process:(2892) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30799802
(PID) Process:(2892) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2892) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2892) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2892) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2892) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
Executable files
0
Suspicious files
7
Text files
4
Unknown types
2

Dropped files

PID
Process
Filename
Type
2760iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Cab82D4.tmp
MD5:
SHA256:
2760iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Tar82D5.tmp
MD5:
SHA256:
2892iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
MD5:
SHA256:
2760iexplore.exeC:\Users\admin\Downloads\up_loader.1.1.0.js.7fkn8kj.partial
MD5:
SHA256:
2892iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF50C4720B9B3391C2.TMP
MD5:
SHA256:
2892iexplore.exeC:\Users\admin\Downloads\up_loader.1.1.0.js.7fkn8kj.partial:Zone.Identifier
MD5:
SHA256:
2892iexplore.exeC:\Users\admin\AppData\Local\Temp\~DFEEC71690FB1E3FB1.TMP
MD5:
SHA256:
2892iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\RecoveryStore.{FEEC73E5-63AD-11EA-972D-5254004A04AF}.dat
MD5:
SHA256:
2760iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B398B80134F72209547439DB21AB308D_D14B79B440CDC26D7D21C81855E2C04Dder
MD5:
SHA256:
2760iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B398B80134F72209547439DB21AB308D_D14B79B440CDC26D7D21C81855E2C04Dbinary
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
7
DNS requests
6
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2760
iexplore.exe
GET
200
47.246.48.229:80
http://ocsp.dcocsp.cn/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSXi0cW5bD2WLrmnasWibg2OuPDpgQUVXRPsnJP9WC6UNHX5lFcmgGHGtcCEAmCmx5vMvHOOynOxVaA1t0%3D
US
der
471 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
2760
iexplore.exe
180.163.121.238:443
js.adsrvr.cn
China Telecom (Group)
CN
suspicious
2760
iexplore.exe
72.21.91.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2892
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
2760
iexplore.exe
47.246.48.229:80
ocsp.dcocsp.cn
US
malicious

DNS requests

Domain
IP
Reputation
js.adsrvr.cn
  • 180.163.121.238
  • 180.163.121.244
  • 180.163.121.248
  • 180.163.121.241
  • 180.163.121.242
  • 180.163.121.240
  • 180.163.121.239
  • 180.163.121.243
malicious
ocsp.digicert.com
  • 72.21.91.29
whitelisted
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
ocsp.dcocsp.cn
  • 47.246.48.229
  • 47.246.48.230
  • 47.246.48.231
  • 47.246.48.224
  • 47.246.48.225
  • 47.246.48.226
  • 47.246.48.227
  • 47.246.48.228
whitelisted

Threats

No threats detected
No debug info