File name:

Windows-ISO-Downloader.exe

Full analysis: https://app.any.run/tasks/086a3934-6613-4ea3-8c91-d60652300cb3
Verdict: Malicious activity
Analysis date: July 25, 2020, 14:03:44
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

421AFBD29F46977BE567E7A2E6AE0A6C

SHA1:

B3A1A24BCC880CB93D029358FF4D02D3D0F3AF3F

SHA256:

530346523D0860FAA2226709DE3815D8FAA3E4C33C4C8B39F8DC1C58A4CCF61B

SSDEEP:

98304:uI68IzIRIRILgscFLWoDy9G32dm/RUFVHB/mQJkP4G:Y5syWoDy9GGOIlBewkP

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

    • Changes settings of System certificates

      • Windows-ISO-Downloader.exe (PID: 2624)
  • SUSPICIOUS

    • Reads internet explorer settings

      • Windows-ISO-Downloader.exe (PID: 2624)
    • Reads Internet Cache Settings

      • Windows-ISO-Downloader.exe (PID: 2624)
    • Adds / modifies Windows certificates

      • Windows-ISO-Downloader.exe (PID: 2624)
    • Starts Internet Explorer

      • Windows-ISO-Downloader.exe (PID: 2624)
    • Creates files in the user directory

      • Windows-ISO-Downloader.exe (PID: 2624)
  • INFO

    • Changes internet zones settings

      • iexplore.exe (PID: 4008)
    • Reads Internet Cache Settings

      • iexplore.exe (PID: 4008)
      • iexplore.exe (PID: 1980)
    • Reads settings of System Certificates

      • iexplore.exe (PID: 1980)
    • Application launched itself

      • iexplore.exe (PID: 4008)
    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 4008)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:07:07 23:58:09+02:00
PEType: PE32
LinkerVersion: 80
CodeSize: 6363648
InitializedDataSize: 308736
UninitializedDataSize: -
EntryPoint: 0x61394a
OSVersion: 4
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 8.38.0.144
ProductVersionNumber: 8.38.0.144
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: HeiDoc V.O.F.
FileDescription: Windows ISO Downloader
FileVersion: 8.38.0.0144
InternalName: Windows-ISO-Downloader.exe
LegalCopyright: Copyright © 2016-2020
LegalTrademarks: -
OriginalFileName: Windows-ISO-Downloader.exe
ProductName: Windows ISO Downloader
ProductVersion: 8.38.0.0144
AssemblyVersion: 8.38.0.144

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 07-Jul-2020 21:58:09
Debug artifacts:
  • C:\Users\jan\source\repos\Windows ISO Downloader\Windows ISO Downloader\obj\Release\Windows-ISO-Downloader.pdb
Comments: -
CompanyName: HeiDoc V.O.F.
FileDescription: Windows ISO Downloader
FileVersion: 8.38.0.0144
InternalName: Windows-ISO-Downloader.exe
LegalCopyright: Copyright © 2016-2020
LegalTrademarks: -
OriginalFilename: Windows-ISO-Downloader.exe
ProductName: Windows ISO Downloader
ProductVersion: 8.38.0.0144
Assembly Version: 8.38.0.144

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 07-Jul-2020 21:58:09
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x00611950
0x00611A00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.86771
.rsrc
0x00614000
0x0004B3DC
0x0004B400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.42961
.reloc
0x00660000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.43345
962
UNKNOWN
UNKNOWN
RT_VERSION
2
4.66927
2440
UNKNOWN
UNKNOWN
RT_ICON
3
4.31647
4264
UNKNOWN
UNKNOWN
RT_ICON
4
3.81771
9640
UNKNOWN
UNKNOWN
RT_ICON
5
3.50631
16936
UNKNOWN
UNKNOWN
RT_ICON
6
3.15714
38056
UNKNOWN
UNKNOWN
RT_ICON
7
3.02373
67624
UNKNOWN
UNKNOWN
RT_ICON
8
2.78483
152104
UNKNOWN
UNKNOWN
RT_ICON
9
7.95518
14279
UNKNOWN
UNKNOWN
RT_ICON
32512
3.07075
132
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
3
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start windows-iso-downloader.exe iexplore.exe no specs iexplore.exe

Process information

PID
CMD
Path
Indicators
Parent process
1980"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:4008 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
2624"C:\Users\admin\AppData\Local\Temp\Windows-ISO-Downloader.exe" C:\Users\admin\AppData\Local\Temp\Windows-ISO-Downloader.exe
explorer.exe
User:
admin
Company:
HeiDoc V.O.F.
Integrity Level:
MEDIUM
Description:
Windows ISO Downloader
Exit code:
0
Version:
8.38.0.0144
Modules
Images
c:\users\admin\appdata\local\temp\windows-iso-downloader.exe
c:\systemroot\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\microsoft.net\framework\v4.0.30319\mscoreei.dll
4008"C:\Program Files\Internet Explorer\iexplore.exe" https://download.microsoft.com/download/E/D/A/EDA6B508-7663-4E30-86F9-949932F443D0/7601.24214.180801-1700.win7sp1_ldr_escrow_CLIENT_HOMEPREMIUM_x86FRE_en-us.isoC:\Program Files\Internet Explorer\iexplore.exeWindows-ISO-Downloader.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
1 028
Read events
885
Write events
130
Delete events
13

Modification events

(PID) Process:(2624) Windows-ISO-Downloader.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2624) Windows-ISO-Downloader.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2624) Windows-ISO-Downloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows-ISO-Downloader_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2624) Windows-ISO-Downloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows-ISO-Downloader_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2624) Windows-ISO-Downloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows-ISO-Downloader_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(2624) Windows-ISO-Downloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows-ISO-Downloader_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(2624) Windows-ISO-Downloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows-ISO-Downloader_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(2624) Windows-ISO-Downloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows-ISO-Downloader_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(2624) Windows-ISO-Downloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows-ISO-Downloader_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2624) Windows-ISO-Downloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows-ISO-Downloader_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
Executable files
0
Suspicious files
49
Text files
54
Unknown types
30

Dropped files

PID
Process
Filename
Type
2624Windows-ISO-Downloader.exeC:\Users\admin\AppData\Local\Temp\Cab83E6.tmp
MD5:
SHA256:
2624Windows-ISO-Downloader.exeC:\Users\admin\AppData\Local\Temp\Tar83E7.tmp
MD5:
SHA256:
2624Windows-ISO-Downloader.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\R9Y6OU4J.txt
MD5:
SHA256:
2624Windows-ISO-Downloader.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\www-player-vflKe1UkR[1].css
MD5:
SHA256:
2624Windows-ISO-Downloader.exeC:\Users\admin\AppData\Local\Temp\7f237b41-a518-461b-9e7c-34ec4cac4017.csstext
MD5:
SHA256:
2624Windows-ISO-Downloader.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CFE86DBBE02D859DC92F1E17E0574EE8_46766FC45507C0B9E264E4C18BC7288Bder
MD5:
SHA256:
2624Windows-ISO-Downloader.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CC197601BE0898B7B0FCC91FA15D8A69_92C27301B80B002C2BC1DBC4706E59ACder
MD5:
SHA256:
2624Windows-ISO-Downloader.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CFE86DBBE02D859DC92F1E17E0574EE8_46766FC45507C0B9E264E4C18BC7288Bbinary
MD5:
SHA256:
2624Windows-ISO-Downloader.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CC197601BE0898B7B0FCC91FA15D8A69_92C27301B80B002C2BC1DBC4706E59ACbinary
MD5:
SHA256:
2624Windows-ISO-Downloader.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CC197601BE0898B7B0FCC91FA15D8A69_2207949320C9D045C2BF5129A5E62E71binary
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
25
TCP/UDP connections
43
DNS requests
34
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2624
Windows-ISO-Downloader.exe
GET
200
172.217.18.99:80
http://ocsp.pki.goog/gts1o1core/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRCRjDCJxnb3nDwj%2Fxz5aZfZjgXvAQUmNH4bhDrz5vsYJ8YkBug630J%2FSsCEDG%2BB3sanMzgAgAAAABybGI%3D
US
der
471 b
whitelisted
2624
Windows-ISO-Downloader.exe
GET
200
172.217.18.99:80
http://ocsp.pki.goog/gts1o1core/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBRCRjDCJxnb3nDwj%2Fxz5aZfZjgXvAQUmNH4bhDrz5vsYJ8YkBug630J%2FSsCEQDUNE31eU%2BUwggAAAAAS%2FW7
US
der
472 b
whitelisted
1980
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEAiIzVJfGSRETRSlgpHeuVI%3D
US
der
1.47 Kb
whitelisted
1048
svchost.exe
GET
200
2.16.186.74:80
http://crl.microsoft.com/pki/crl/products/MicCodSigPCA_08-31-2010.crl
unknown
der
555 b
whitelisted
2624
Windows-ISO-Downloader.exe
GET
200
172.217.18.99:80
http://ocsp.pki.goog/gts1o1core/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBRCRjDCJxnb3nDwj%2Fxz5aZfZjgXvAQUmNH4bhDrz5vsYJ8YkBug630J%2FSsCEQDpm82fm1X8LggAAAAAS%2FSO
US
der
472 b
whitelisted
2624
Windows-ISO-Downloader.exe
GET
200
172.217.18.99:80
http://ocsp.pki.goog/gsr2/ME4wTDBKMEgwRjAJBgUrDgMCGgUABBTgXIsxbvr2lBkPpoIEVRE6gHlCnAQUm%2BIHV2ccHsBqBt5ZtJot39wZhi4CDQHjtJqhjYqpgSVpULg%3D
US
der
468 b
whitelisted
1980
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEAiIzVJfGSRETRSlgpHeuVI%3D
US
der
1.47 Kb
whitelisted
2624
Windows-ISO-Downloader.exe
GET
200
172.217.18.99:80
http://ocsp.pki.goog/gts1o1core/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRCRjDCJxnb3nDwj%2Fxz5aZfZjgXvAQUmNH4bhDrz5vsYJ8YkBug630J%2FSsCEBB4SLbjrf2YCAAAAABL9g0%3D
US
der
471 b
whitelisted
2624
Windows-ISO-Downloader.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEAtqs7A%2Bsan2xGCSaqjN%2FrM%3D
US
der
1.47 Kb
whitelisted
2624
Windows-ISO-Downloader.exe
GET
200
104.18.25.243:80
http://ocsp.msocsp.com/MFQwUjBQME4wTDAJBgUrDgMCGgUABBQphfxhPb4vsBIPXkIOTJ7D1Z79fAQUCP4ln3TqhwTCvLuOqDhfM8bRbGUCEy0AEN5nIjOP96kKQIsAAAAQ3mc%3D
US
der
1.79 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
1980
iexplore.exe
92.122.255.148:443
download.microsoft.com
GTT Communications Inc.
malicious
1048
svchost.exe
2.16.186.74:80
crl.microsoft.com
Akamai International B.V.
whitelisted
2624
Windows-ISO-Downloader.exe
104.168.147.90:443
www.heidoc.net
Hostwinds LLC.
US
unknown
2624
Windows-ISO-Downloader.exe
216.58.210.10:443
fonts.googleapis.com
Google Inc.
US
whitelisted
2624
Windows-ISO-Downloader.exe
172.217.18.99:80
ocsp.pki.goog
Google Inc.
US
whitelisted
2624
Windows-ISO-Downloader.exe
172.217.23.99:443
fonts.gstatic.com
Google Inc.
US
whitelisted
2624
Windows-ISO-Downloader.exe
172.217.21.238:443
www.youtube.com
Google Inc.
US
whitelisted
2624
Windows-ISO-Downloader.exe
172.217.22.78:443
s.ytimg.com
Google Inc.
US
whitelisted
2624
Windows-ISO-Downloader.exe
172.217.16.194:443
googleads.g.doubleclick.net
Google Inc.
US
whitelisted
2624
Windows-ISO-Downloader.exe
216.58.206.6:443
static.doubleclick.net
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
www.heidoc.net
  • 104.168.147.90
whitelisted
aa.online-metrix.net
  • 91.235.132.129
whitelisted
c.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
fonts.googleapis.com
  • 216.58.210.10
whitelisted
ocsp.pki.goog
  • 172.217.18.99
whitelisted
fonts.gstatic.com
  • 172.217.23.99
whitelisted
www.youtube.com
  • 172.217.21.238
  • 172.217.23.174
  • 172.217.23.142
  • 216.58.205.238
  • 172.217.22.14
  • 216.58.206.14
  • 172.217.18.14
  • 172.217.18.174
  • 216.58.207.46
  • 216.58.207.78
  • 172.217.23.110
  • 216.58.212.142
  • 172.217.16.174
  • 216.58.208.46
  • 172.217.16.142
  • 172.217.18.110
whitelisted
s.ytimg.com
  • 172.217.22.78
whitelisted
googleads.g.doubleclick.net
  • 172.217.16.194
whitelisted
static.doubleclick.net
  • 216.58.206.6
whitelisted

Threats

No threats detected
No debug info