URL:

https://www.nartac.com/Downloads/IISCrypto/IISCrypto.exe

Full analysis: https://app.any.run/tasks/8f5c9cda-6f33-4e64-8584-7492828b42f8
Verdict: Malicious activity
Analysis date: August 01, 2022, 20:58:25
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

8F213FBBADEB0EBEA79130900AB53DDB

SHA1:

3B8DD9F703DEEF60D5F7EEA23C9AE7A703AF2E5F

SHA256:

2267FCA9302D82568AA3D6725F672B0D1EA4074BD20587BC3BAB6CA3EF95BA1B

SSDEEP:

3:N8DSLwBTGTEZgKPKsXwLAdA:2OLwBuCPP3XwLN

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

      • iexplore.exe (PID: 3380)
      • iexplore.exe (PID: 2948)

    • Changes settings of System certificates

      • IISCrypto.exe (PID: 3312)

    • Application was dropped or rewritten from another process

      • IISCrypto.exe (PID: 2960)
      • IISCrypto.exe (PID: 3312)

  • SUSPICIOUS

    • Reads Microsoft Outlook installation path

      • iexplore.exe (PID: 3380)

    • Executable content was dropped or overwritten

      • iexplore.exe (PID: 3380)
      • iexplore.exe (PID: 2948)

    • Drops a file with a compile date too recent

      • iexplore.exe (PID: 3380)
      • iexplore.exe (PID: 2948)

    • Reads the computer name

      • IISCrypto.exe (PID: 3312)

    • Checks supported languages

      • IISCrypto.exe (PID: 3312)

    • Reads Environment values

      • IISCrypto.exe (PID: 3312)

    • Adds / modifies Windows certificates

      • IISCrypto.exe (PID: 3312)

  • INFO

    • Application launched itself

      • iexplore.exe (PID: 2948)

    • Reads the computer name

      • iexplore.exe (PID: 2948)
      • iexplore.exe (PID: 3380)

    • Checks supported languages

      • iexplore.exe (PID: 3380)
      • iexplore.exe (PID: 2948)

    • Changes internet zones settings

      • iexplore.exe (PID: 2948)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 2948)
      • iexplore.exe (PID: 3380)
      • IISCrypto.exe (PID: 3312)

    • Checks Windows Trust Settings

      • iexplore.exe (PID: 2948)
      • iexplore.exe (PID: 3380)
      • IISCrypto.exe (PID: 3312)

    • Reads internet explorer settings

      • iexplore.exe (PID: 3380)

    • Reads the date of Windows installation

      • iexplore.exe (PID: 2948)

    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 2948)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 2948)

    • Changes settings of System certificates

      • iexplore.exe (PID: 2948)

    • Manual execution by user

      • IISCrypto.exe (PID: 2960)
      • IISCrypto.exe (PID: 3312)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
4
Malicious processes
1
Suspicious processes
2

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
2948"C:\Program Files\Internet Explorer\iexplore.exe" "https://www.nartac.com/Downloads/IISCrypto/IISCrypto.exe"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\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
2960"C:\Users\admin\Desktop\IISCrypto.exe" C:\Users\admin\Desktop\IISCrypto.exe—Explorer.EXE
User:
admin
Company:
Nartac Software Inc.
Integrity Level:
MEDIUM
Description:
IIS Crypto
Exit code:
3221226540
Version:
3.2.16.0
Modules
Images
c:\users\admin\desktop\iiscrypto.exe
c:\windows\system32\ntdll.dll
3312"C:\Users\admin\Desktop\IISCrypto.exe" C:\Users\admin\Desktop\IISCrypto.exe
Explorer.EXE
User:
admin
Company:
Nartac Software Inc.
Integrity Level:
HIGH
Description:
IIS Crypto
Exit code:
0
Version:
3.2.16.0
Modules
Images
c:\users\admin\desktop\iiscrypto.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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
3380"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2948 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\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\api-ms-win-downlevel-version-l1-1-0.dll
Total events
23 917
Read events
23 699
Write events
213
Delete events
5

Modification events

(PID) Process:(2948) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
1
(PID) Process:(2948) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchLowDateTime
Value:
(PID) Process:(2948) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
30975465
(PID) Process:(2948) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
(PID) Process:(2948) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30975465
(PID) Process:(2948) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2948) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2948) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2948) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2948) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
Executable files
3
Suspicious files
8
Text files
4
Unknown types
5

Dropped files

PID
Process
Filename
Type
3380iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850Dbinary
MD5:—
SHA256:—
2948iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF5C9A8B54AAC25870.TMPgmc
MD5:—
SHA256:—
3380iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\DY534W2X\IISCrypto[1].exeexecutable
MD5:—
SHA256:—
2948iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{BB282AC4-11DC-11ED-B13F-12A9866C77DE}.datbinary
MD5:—
SHA256:—
2948iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF4BA615EC9B8BE2E9.TMPgmc
MD5:—
SHA256:—
3380iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850Dder
MD5:—
SHA256:—
3380iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157binary
MD5:—
SHA256:—
2948iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF018990264C236AC7.TMPgmc
MD5:—
SHA256:—
2948iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\69C6F6EC64E114822DF688DC12CDD86Cder
MD5:—
SHA256:—
2948iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\RecoveryStore.{B1AF733B-11DC-11ED-B13F-12A9866C77DE}.datbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
20
DNS requests
13
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3380
iexplore.exe
GET
200
104.18.32.68:80
http://ocsp.usertrust.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTNMNJMNDqCqx8FcBWK16EHdimS6QQUU3m%2FWqorSs9UgOHYm8Cd8rIDZssCEH1bUSa0droR23QWC7xTDac%3D
US
der
2.18 Kb
whitelisted
2948
iexplore.exe
GET
200
93.184.220.29:80
http://crl3.digicert.com/DigiCertGlobalRootCA.crl
US
der
631 b
whitelisted
2948
iexplore.exe
GET
200
8.241.78.126:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?933bead0edc51bf2
US
compressed
4.70 Kb
whitelisted
2948
iexplore.exe
GET
200
8.238.36.254:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?5d5316d772b7bea3
US
compressed
4.70 Kb
whitelisted
3380
iexplore.exe
GET
200
8.248.115.254:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?9535bc8dec02140c
US
compressed
4.70 Kb
whitelisted
3380
iexplore.exe
GET
200
8.248.115.254:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?b277426fc54be6dd
US
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
2948
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2948
iexplore.exe
8.238.36.254:80
ctldl.windowsupdate.com
Level 3 Communications, Inc.
US
suspicious
3380
iexplore.exe
52.237.26.208:443
www.nartac.com
Microsoft Corporation
CA
suspicious
2948
iexplore.exe
204.79.197.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
2948
iexplore.exe
8.241.78.126:80
ctldl.windowsupdate.com
Level 3 Communications, Inc.
US
suspicious
3380
iexplore.exe
8.248.115.254:80
ctldl.windowsupdate.com
Level 3 Communications, Inc.
US
suspicious
3380
iexplore.exe
104.18.32.68:80
ocsp.usertrust.com
Cloudflare Inc
US
suspicious
2948
iexplore.exe
152.199.19.161:443
iecvlist.microsoft.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3312
IISCrypto.exe
52.237.26.208:443
www.nartac.com
Microsoft Corporation
CA
suspicious
—
—
152.199.19.161:443
iecvlist.microsoft.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted

DNS requests

Domain
IP
Reputation
www.nartac.com
  • 52.237.26.208
suspicious
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
ctldl.windowsupdate.com
  • 8.241.78.126
  • 8.238.36.254
  • 8.241.9.126
  • 8.248.143.254
  • 8.241.11.254
  • 8.248.115.254
  • 8.238.28.254
  • 8.248.139.254
whitelisted
ocsp.usertrust.com
  • 104.18.32.68
  • 172.64.155.188
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
iecvlist.microsoft.com
  • 152.199.19.161
whitelisted
r20swj13mr.microsoft.com
  • 152.199.19.161
whitelisted
crl3.digicert.com
  • 93.184.220.29
whitelisted
update.nartac.com
  • 52.237.26.208
suspicious

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
https://www.nartac.com/Downloads/IISCrypto/IISCrypto.exe