URL:

http://website.assemblercode.com/masm32/masm32v11r.zip

Full analysis: https://app.any.run/tasks/a03bedf6-e011-41e9-9949-a0156380175b
Verdict: Malicious activity
Analysis date: July 23, 2019, 09:46:05
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

804CC19D00DB89E520EB91272A4446B1

SHA1:

9226B0097072BDDC3D5E665A317A655C86EE5C80

SHA256:

0F95C22C104A423522A2A3E5CE83D1680493BBD233C3C2315E0DC09E40B3E310

SSDEEP:

3:N1KJA2SWyaAtIza1qrU:CO2BA6O1qU

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

    • Application was dropped or rewritten from another process

      • install.exe (PID: 3196)
      • install.exe (PID: 2304)
      • tstexe.exe (PID: 3296)
      • masm32ci.exe (PID: 3724)

    • Loads dropped or rewritten executable

      • Link.exe (PID: 1704)
      • Link.exe (PID: 1764)
      • Link.exe (PID: 2296)
      • Link.exe (PID: 3808)
      • Link.exe (PID: 1472)
      • Link.exe (PID: 3308)
      • Link.exe (PID: 2024)
      • Link.exe (PID: 3636)
      • Link.exe (PID: 2160)
      • Link.exe (PID: 3356)
      • Link.exe (PID: 1752)
      • Link.exe (PID: 2316)
      • Link.exe (PID: 3308)
      • Link.exe (PID: 3976)
      • Link.exe (PID: 3116)
      • Link.exe (PID: 4020)
      • Link.exe (PID: 2296)
      • Link.exe (PID: 3036)
      • Link.exe (PID: 608)
      • Link.exe (PID: 4052)
      • Link.exe (PID: 2856)
      • Link.exe (PID: 3676)
      • Link.exe (PID: 4036)
      • Link.exe (PID: 3488)
      • Link.exe (PID: 2484)
      • Link.exe (PID: 1640)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 1736)
      • install.exe (PID: 2304)
      • masm32ci.exe (PID: 3724)
      • Link.exe (PID: 3308)

    • Starts CMD.EXE for commands execution

      • install.exe (PID: 2304)

    • Application launched itself

      • Link.exe (PID: 2024)

  • INFO

    • Creates files in the user directory

      • firefox.exe (PID: 3760)

    • Reads CPU info

      • firefox.exe (PID: 3760)

    • Manual execution by user

      • explorer.exe (PID: 3112)

    • Application launched itself

      • firefox.exe (PID: 3760)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
111
Monitored processes
69
Malicious processes
1
Suspicious processes
8

Behavior graph

Click at the process to see the details
start drop and start drop and start drop and start drop and start firefox.exe firefox.exe no specs firefox.exe firefox.exe firefox.exe winrar.exe install.exe no specs install.exe tstexe.exe no specs masm32ci.exe explorer.exe no specs cmd.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs ml.exe no specs link.exe link.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs ml.exe no specs link.exe no specs link.exe no specs inc2l.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
540\masm32\bin\ml /c /coff acpisim.asmC:\masm32\bin\ml.exe—inc2l.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\masm32\bin\ml.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sspicli.dll
608"C:\masm32\bin\Link.exe" /lib @"C:\Users\admin\AppData\Local\Temp\lahB198.tmp"C:\masm32\bin\Link.exe—Link.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft (R) Incremental Linker
Exit code:
0
Version:
5.012.8078.0
Modules
Images
c:\masm32\bin\link.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\masm32\bin\mspdb50.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\apphelp.dll
1324\masm32\bin\ml /c /coff advapip.asmC:\masm32\bin\ml.exe—inc2l.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\masm32\bin\ml.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sspicli.dll
1440\masm32\bin\ml /c /coff authz.asmC:\masm32\bin\ml.exe—inc2l.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
1472"C:\masm32\bin\Link.exe" /lib @"C:\Users\admin\AppData\Local\Temp\lahC1B5.tmp"C:\masm32\bin\Link.exe—Link.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft (R) Incremental Linker
Exit code:
0
Version:
5.012.8078.0
Modules
Images
c:\masm32\bin\link.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\masm32\bin\mspdb50.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\apphelp.dll
1636\masm32\bin\ml /c /coff asycfilt.asmC:\masm32\bin\ml.exe—inc2l.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\masm32\bin\ml.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sspicli.dll
1640\masm32\bin\Link /SUBSYSTEM:WINDOWS /DLL /DEF:asycfilt.def asycfilt.objC:\masm32\bin\Link.exe—inc2l.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft (R) Incremental Linker
Exit code:
0
Version:
5.012.8078.0
Modules
Images
c:\masm32\bin\link.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\masm32\bin\mspdb50.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\apphelp.dll
1668inc2l authz.incC:\masm32\include\inc2l.exe—cmd.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
1704"C:\masm32\bin\Link.exe" /lib @"C:\Users\admin\AppData\Local\Temp\lahC3A9.tmp"C:\masm32\bin\Link.exe—Link.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft (R) Incremental Linker
Exit code:
0
Version:
5.012.8078.0
Modules
Images
c:\masm32\bin\link.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\masm32\bin\mspdb50.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\apphelp.dll
1708inc2l advapip.incC:\masm32\include\inc2l.exe—cmd.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\masm32\include\inc2l.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sspicli.dll
Total events
1 609
Read events
1 589
Write events
20
Delete events
0

Modification events

(PID) Process:(3760) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
0000000000000000
(PID) Process:(3760) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3760) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(3760) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3760) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3760) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.zip\OpenWithProgids
Operation:writeName:WinRAR.ZIP
Value:
(PID) Process:(1736) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(1736) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(1736) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\70\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1736) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\masm32v11r.zip
Executable files
60
Suspicious files
74
Text files
1 810
Unknown types
105

Dropped files

PID
Process
Filename
Type
3760firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
3760firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shm —
MD5:—
SHA256:—
3760firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\pluginreg.dat.tmp —
MD5:—
SHA256:—
3760firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.js —
MD5:—
SHA256:—
3760firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmp —
MD5:—
SHA256:—
3760firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1451318868ntouromlalnodry--epcr.sqlite-shm —
MD5:—
SHA256:—
3760firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\2918063365piupsah.sqlite-shm —
MD5:—
SHA256:—
3760firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shm —
MD5:—
SHA256:—
3760firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\search.json.mozlz4.tmp —
MD5:—
SHA256:—
3760firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-child-current.binbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
20
DNS requests
45
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3760
firefox.exe
POST
200
172.217.16.131:80
http://ocsp.pki.goog/GTSGIAG3
US
der
471 b
whitelisted
3760
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3760
firefox.exe
POST
200
172.217.16.131:80
http://ocsp.pki.goog/GTSGIAG3
US
der
471 b
whitelisted
3760
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3760
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3760
firefox.exe
GET
200
65.254.250.106:80
http://website.assemblercode.com/masm32/masm32v11r.zip
US
compressed
4.78 Mb
malicious
3760
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3760
firefox.exe
GET
200
2.16.186.112:80
http://detectportal.firefox.com/success.txt
unknown
text
8 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
3760
firefox.exe
2.16.186.112:80
detectportal.firefox.com
Akamai International B.V.
—
whitelisted
3760
firefox.exe
65.254.250.106:80
website.assemblercode.com
The Endurance International Group, Inc.
US
malicious
3760
firefox.exe
108.128.247.43:443
location.services.mozilla.com
AT&T Services, Inc.
US
unknown
3760
firefox.exe
35.160.103.71:443
push.services.mozilla.com
Amazon.com, Inc.
US
unknown
3760
firefox.exe
54.186.90.148:443
tiles.services.mozilla.com
Amazon.com, Inc.
US
unknown
3760
firefox.exe
99.86.1.62:443
snippets.cdn.mozilla.net
AT&T Services, Inc.
US
unknown
3760
firefox.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3760
firefox.exe
172.217.22.106:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
3760
firefox.exe
52.41.30.135:443
shavar.services.mozilla.com
Amazon.com, Inc.
US
unknown
3760
firefox.exe
13.35.253.81:443
tracking-protection.cdn.mozilla.net
—
US
suspicious

DNS requests

Domain
IP
Reputation
website.assemblercode.com
  • 65.254.250.106
unknown
detectportal.firefox.com
  • 2.16.186.112
  • 2.16.186.50
whitelisted
a1089.dscd.akamai.net
  • 2.16.186.50
  • 2.16.186.112
whitelisted
location.services.mozilla.com
  • 108.128.247.43
  • 52.210.139.31
  • 52.50.56.62
whitelisted
locprod1-elb-eu-west-1.prod.mozaws.net
  • 52.50.56.62
  • 52.210.139.31
  • 108.128.247.43
whitelisted
push.services.mozilla.com
  • 35.160.103.71
whitelisted
autopush.prod.mozaws.net
  • 35.160.103.71
whitelisted
tiles.services.mozilla.com
  • 54.186.90.148
  • 52.43.91.152
  • 34.210.151.118
  • 54.186.163.246
  • 34.213.89.114
  • 34.209.86.85
  • 35.166.166.56
  • 34.208.138.0
whitelisted
snippets.cdn.mozilla.net
  • 99.86.1.62
whitelisted
drcwo519tnci7.cloudfront.net
  • 99.86.1.62
shared

Threats

No threats detected
No debug info
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Reports
http://website.assemblercode.com/masm32/masm32v11r.zip