URL:

https://bbs.kafan.cn/

Full analysis: https://app.any.run/tasks/1fe98783-ab50-45f9-99a6-7b4bf70ca0e1
Verdict: Malicious activity
Analysis date: June 29, 2021, 02:01:33
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

258D5418CB031EB1F11505B4829AFF74

SHA1:

33D7FD1341960ECBBBC00FCB83F6153C33F22963

SHA256:

AB0521D961979301A3E8D116A481592D55D68B4F36DA2DC1C2B8A27A62D5BB87

SSDEEP:

3:N84LSnn:21

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

    • Drops executable file immediately after starts

      • msdt.exe (PID: 3732)

  • SUSPICIOUS

    • Reads Microsoft Outlook installation path

      • iexplore.exe (PID: 2320)

    • Executable content was dropped or overwritten

      • msdt.exe (PID: 3732)

    • Drops a file with too old compile date

      • msdt.exe (PID: 3732)

    • Executed via COM

      • sdiagnhost.exe (PID: 3236)

    • Uses IPCONFIG.EXE to discover IP address

      • sdiagnhost.exe (PID: 3236)

  • INFO

    • Checks supported languages

      • iexplore.exe (PID: 2064)
      • iexplore.exe (PID: 2320)
      • msdt.exe (PID: 3732)
      • sdiagnhost.exe (PID: 3236)
      • ipconfig.exe (PID: 2372)
      • ROUTE.EXE (PID: 744)
      • makecab.exe (PID: 3988)

    • Reads the computer name

      • iexplore.exe (PID: 2064)
      • iexplore.exe (PID: 2320)
      • msdt.exe (PID: 3732)
      • sdiagnhost.exe (PID: 3236)
      • ROUTE.EXE (PID: 744)
      • ipconfig.exe (PID: 2372)

    • Reads the date of Windows installation

      • iexplore.exe (PID: 2064)

    • Manual execution by user

      • msdt.exe (PID: 3732)

    • Changes internet zones settings

      • iexplore.exe (PID: 2064)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 2064)
      • msdt.exe (PID: 3732)

    • Checks Windows Trust Settings

      • iexplore.exe (PID: 2064)
      • msdt.exe (PID: 3732)
      • sdiagnhost.exe (PID: 3236)

    • Application launched itself

      • iexplore.exe (PID: 2064)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
7
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start iexplore.exe iexplore.exe msdt.exe sdiagnhost.exe no specs ipconfig.exe no specs route.exe no specs makecab.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
744"C:\Windows\system32\ROUTE.EXE" printC:\Windows\system32\ROUTE.EXE—sdiagnhost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
TCP/IP Route Command
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\route.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\iphlpapi.dll
c:\windows\system32\nsi.dll
c:\windows\system32\winnsi.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
2064"C:\Program Files\Internet Explorer\iexplore.exe" "https://bbs.kafan.cn/"C:\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:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\api-ms-win-downlevel-version-l1-1-0.dll
2320"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2064 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:\windows\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\api-ms-win-downlevel-version-l1-1-0.dll
2372"C:\Windows\system32\ipconfig.exe" /allC:\Windows\system32\ipconfig.exe—sdiagnhost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
IP Configuration Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ipconfig.exe
c:\windows\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\dnsapi.dll
c:\windows\system32\ws2_32.dll
3236C:\Windows\System32\sdiagnhost.exe -EmbeddingC:\Windows\System32\sdiagnhost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Scripted Diagnostics Native Host
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\sdiagnhost.exe
c:\windows\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\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
3732 -skip TRUE -path C:\Windows\diagnostics\system\networking -af C:\Users\admin\AppData\Local\Temp\NDF3C5E.tmp -ep NetworkDiagnosticsGenericNetConnectionC:\Windows\system32\msdt.exe
Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Diagnostics Troubleshooting Wizard
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\msdt.exe
c:\windows\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
3988"C:\Windows\system32\makecab.exe" /f NetworkConfiguration.ddfC:\Windows\system32\makecab.exe—sdiagnhost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft� Cabinet Maker
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\makecab.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\version.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
12 426
Read events
12 321
Write events
104
Delete events
1

Modification events

(PID) Process:(2064) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
1
(PID) Process:(2064) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchLowDateTime
Value:
(PID) Process:(2064) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
30895242
(PID) Process:(2064) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
(PID) Process:(2064) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30895242
(PID) Process:(2064) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2064) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2064) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2064) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2064) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
Executable files
2
Suspicious files
40
Text files
32
Unknown types
8

Dropped files

PID
Process
Filename
Type
2064iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_711ED44619924BA6DC33E69F97E7FF63der
MD5:—
SHA256:—
2064iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF7BEF989DED2D908B.TMPgmc
MD5:—
SHA256:—
2064iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_711ED44619924BA6DC33E69F97E7FF63binary
MD5:—
SHA256:—
2064iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Last Active\RecoveryStore.{42C873D0-1D90-11EB-BA2C-12A9866C77DE}.datbinary
MD5:—
SHA256:—
2064iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF4D23B5657823E288.TMPgmc
MD5:—
SHA256:—
2064iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157binary
MD5:—
SHA256:—
2064iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{F7C2E418-D87D-11EB-97B3-12A9866C77DE}.datbinary
MD5:—
SHA256:—
2064iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF671480A24AF181F5.TMPgmc
MD5:—
SHA256:—
2064iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF5FA7A0A1516C208D.TMPgmc
MD5:—
SHA256:—
2064iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\RecoveryStore.{F7C2E416-D87D-11EB-97B3-12A9866C77DE}.datbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
7
DNS requests
7
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2064
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8Ull8gIGmZT9XHrHiJQeI%3D
US
der
1.47 Kb
whitelisted
2064
iexplore.exe
GET
200
2.16.186.25:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?7f42cd742142eb6e
unknown
compressed
4.70 Kb
whitelisted
2064
iexplore.exe
GET
200
2.16.186.25:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?04584ee3e8de871a
unknown
compressed
4.70 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2320
iexplore.exe
103.215.36.97:443
bbs.kafan.cn
AS Number for CHINANET jiangsu province backbone
CN
suspicious
2064
iexplore.exe
204.79.197.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
2064
iexplore.exe
2.16.186.25:80
ctldl.windowsupdate.com
Akamai International B.V.
—
whitelisted
2064
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted

DNS requests

Domain
IP
Reputation
bbs.kafan.cn
  • 103.215.36.97
suspicious
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
ctldl.windowsupdate.com
  • 2.16.186.25
  • 2.16.186.33
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
https://bbs.kafan.cn/