download:

Mail-Nuker_exe

Full analysis: https://app.any.run/tasks/a32d849a-d117-4ae4-a430-5af07f5c8262
Verdict: Malicious activity
Threats:

Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns.

Malware Trends Tracker     >>>
Analysis date: October 20, 2020, 11:20:17
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
stealer
evasion
Indicators:
MIME: text/html
File info: HTML document, ASCII text, with very long lines
MD5:

64D36463F51E941CA1FB24A79C8E84B7

SHA1:

092265702D1291E42922FCC5635AB1095081E329

SHA256:

A39A23686BEA879DA0FBD09D632606DCC30203322514B6B389FABB344387F7D0

SSDEEP:

96:/+q5nI2ApXAZvaqcWIADE/gEAe4PiJyYnkZ:/7I2ApXszcIA4Ed4PiJyYW

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

      • Mail-Nuker.exe (PID: 3492)

    • Actions looks like stealing of personal data

      • MSBuild.exe (PID: 2444)

    • Stealing of credential data

      • MSBuild.exe (PID: 2444)

  • SUSPICIOUS

    • Creates files in the user directory

      • Mail-Nuker.exe (PID: 3492)

    • Starts CMD.EXE for commands execution

      • Mail-Nuker.exe (PID: 3492)
      • MSBuild.exe (PID: 2444)

    • Uses NETSH.EXE for network configuration

      • MSBuild.exe (PID: 2444)

    • Executable content was dropped or overwritten

      • Mail-Nuker.exe (PID: 3492)
      • iexplore.exe (PID: 2952)

    • Reads the cookies of Google Chrome

      • MSBuild.exe (PID: 2444)

    • Uses TASKLIST.EXE to query information about running processes

      • cmd.exe (PID: 2860)

    • Reads Environment values

      • MSBuild.exe (PID: 2444)

    • Checks for external IP

      • MSBuild.exe (PID: 2444)

    • Searches for installed software

      • MSBuild.exe (PID: 2444)

  • INFO

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 2952)
      • iexplore.exe (PID: 3020)

    • Application launched itself

      • iexplore.exe (PID: 2952)
      • iexplore.exe (PID: 2804)

    • Changes settings of System certificates

      • iexplore.exe (PID: 2952)

    • Reads internet explorer settings

      • iexplore.exe (PID: 2804)

    • Changes internet zones settings

      • iexplore.exe (PID: 2952)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 3020)
      • iexplore.exe (PID: 2952)

    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 2952)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 2952)

    • Creates files in the user directory

      • iexplore.exe (PID: 2952)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.html | HyperText Markup Language (100)

EXIF

HTML

HTTPEquivXUACompatible: IE=edge
viewport: width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no
Robots: index, follow
Title: Mail-Nuker.exe - AnonFiles
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
51
Monitored processes
9
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start iexplore.exe iexplore.exe iexplore.exe mail-nuker.exe msbuild.exe cmd.exe no specs netsh.exe no specs cmd.exe no specs tasklist.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2152"C:\Windows\System32\cmd.exe" /c keys.utilC:\Windows\System32\cmd.exe—Mail-Nuker.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2444"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
Mail-Nuker.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
MSBuild.exe
Exit code:
0
Version:
4.7.3062.0 built by: NET472REL1
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\msbuild.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
2708tasklist /FO TABLE C:\Windows\system32\tasklist.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Lists the current running tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\tasklist.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.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
2804"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2952 CREDAT:144385 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
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
2860"C:\Windows\System32\cmd.exe" /C tasklist /FO TABLE > "C:\Users\admin\AppData\Local\Temp\bf86bf30272b0385cd40291dc75c4d03\ef73856a39bec359068d0fe61f18eeaa\processes.txt"C:\Windows\System32\cmd.exe—MSBuild.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2952"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\admin\AppData\Local\Temp\Mail-Nuker_exe.htmlC:\Program Files\Internet Explorer\iexplore.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
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
3020"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2952 CREDAT:398593 /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
3236"netsh" wlan show profilesC:\Windows\system32\netsh.exe—MSBuild.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Network Command Shell
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.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\credui.dll
c:\windows\system32\user32.dll
3492"C:\Users\admin\Downloads\Mail-Nuker.exe" C:\Users\admin\Downloads\Mail-Nuker.exe
iexplore.exe
User:
admin
Company:
.NET Foundation
Integrity Level:
MEDIUM
Description:
xUnit.net Assertion Library
Exit code:
0
Version:
2.4.1
Modules
Images
c:\users\admin\downloads\mail-nuker.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
Total events
2 610
Read events
2 413
Write events
195
Delete events
2

Modification events

(PID) Process:(2952) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
413210158
(PID) Process:(2952) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30844627
(PID) Process:(2952) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2952) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2952) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2952) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2952) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(2952) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(2952) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2952) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
Executable files
3
Suspicious files
17
Text files
16
Unknown types
6

Dropped files

PID
Process
Filename
Type
2952iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
2952iexplore.exeC:\Users\admin\AppData\Local\Temp\Cab2470.tmp —
MD5:—
SHA256:—
2952iexplore.exeC:\Users\admin\AppData\Local\Temp\Tar2471.tmp —
MD5:—
SHA256:—
2952iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver24C0.tmp —
MD5:—
SHA256:—
2952iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\W5BCGED3.txt —
MD5:—
SHA256:—
2952iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\VXZMND8B.txt —
MD5:—
SHA256:—
3020iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Cab7C44.tmp —
MD5:—
SHA256:—
3020iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Tar7C45.tmp —
MD5:—
SHA256:—
2952iexplore.exeC:\Users\admin\AppData\Local\Temp\~DFE10D039ABD1302D9.TMP —
MD5:—
SHA256:—
3020iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MFAQUS6V\Mail-Nuker[1].exe —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
23
DNS requests
16
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3020
iexplore.exe
GET
200
2.16.186.35:80
http://isrg.trustid.ocsp.identrust.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRv9GhNQxLSSGKBnMArPUcsHYovpgQUxKexpHsscfrb4UuQdf%2FEFWCFiRACEAoBQUIAAAFThXNqC4Xspwg%3D
unknown
der
1.37 Kb
whitelisted
2444
MSBuild.exe
GET
200
208.95.112.1:80
http://ip-api.com/xml/
unknown
xml
416 b
malicious
3020
iexplore.exe
GET
200
2.16.186.11:80
http://isrg.trustid.ocsp.identrust.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRv9GhNQxLSSGKBnMArPUcsHYovpgQUxKexpHsscfrb4UuQdf%2FEFWCFiRACEAoBQUIAAAFThXNqC4Xspwg%3D
unknown
der
1.37 Kb
whitelisted
2952
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8sEMlbBsCTf7jUSfg%2BhWk%3D
US
der
1.47 Kb
whitelisted
2952
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8sEMlbBsCTf7jUSfg%2BhWk%3D
US
der
1.47 Kb
whitelisted
2952
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8sEMlbBsCTf7jUSfg%2BhWk%3D
US
der
1.47 Kb
whitelisted
2952
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 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
4
System
151.101.2.217:445
vjs.zencdn.net
Fastly
US
suspicious
4
System
151.101.66.217:445
vjs.zencdn.net
Fastly
US
suspicious
4
System
151.101.130.217:445
vjs.zencdn.net
Fastly
US
suspicious
2952
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
2952
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2952
iexplore.exe
204.79.197.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
2804
iexplore.exe
152.199.19.161:443
iecvlist.microsoft.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3020
iexplore.exe
217.64.149.229:443
cdn-110.anonfiles.com
—
IR
unknown
3020
iexplore.exe
2.16.186.35:80
isrg.trustid.ocsp.identrust.com
Akamai International B.V.
—
whitelisted
2444
MSBuild.exe
208.95.112.1:80
ip-api.com
IBURST
—
malicious

DNS requests

Domain
IP
Reputation
vjs.zencdn.net
  • 151.101.2.217
  • 151.101.66.217
  • 151.101.130.217
  • 151.101.194.217
whitelisted
api.bing.com
  • 13.107.47.80
whitelisted
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
iecvlist.microsoft.com
  • 152.199.19.161
whitelisted
r20swj13mr.microsoft.com
  • 152.199.19.161
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
ieonline.microsoft.com
  • 204.79.197.200
whitelisted
cdn-110.anonfiles.com
  • 217.64.149.229
suspicious
isrg.trustid.ocsp.identrust.com
  • 2.16.186.35
  • 2.16.186.11
whitelisted
ip-api.com
  • 208.95.112.1
malicious

Threats

PID
Process
Class
Message
2444
MSBuild.exe
Potentially Bad Traffic
ET INFO TLS Handshake Failure
2444
MSBuild.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
2444
MSBuild.exe
Potential Corporate Privacy Violation
AV POLICY Internal Host Retrieving External IP Address (ip-api. com)
2444
MSBuild.exe
Potentially Bad Traffic
ET INFO TLS Handshake Failure
No debug info
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Reports
Mail-Nuker_exe