URL:

https://github.com/ZeroFox5866/nucleuscoop/releases/download/v1.1.2/NucleusCoop.Mod.v1.1.2.zip

Full analysis: https://app.any.run/tasks/3b51a7ac-b500-424c-bf4f-f7fbde1ffa35
Verdict: Malicious activity
Analysis date: September 23, 2021, 07:17:18
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

57FC06B516485F14CFEED442A31A3A14

SHA1:

E372373F3BB5A0C9A77BA036DE39D4CB26C90048

SHA256:

FC5871ADA49B6AC450B77BCBADA659DC694764A8C4B29F9865473BB5949D365B

SSDEEP:

3:N8tEd4CdTxBKlh2kCmSaEGemoKdLc:2u+CdVB6MsSavePKu

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

    • Loads dropped or rewritten executable

      • SearchProtocolHost.exe (PID: 1384)
      • NucleusCoop.exe (PID: 952)

    • Application was dropped or rewritten from another process

      • NucleusCoop.exe (PID: 952)

  • SUSPICIOUS

    • Checks supported languages

      • WinRAR.exe (PID: 3384)
      • NucleusCoop.exe (PID: 952)

    • Reads the computer name

      • WinRAR.exe (PID: 3384)
      • NucleusCoop.exe (PID: 952)

    • Reads Microsoft Outlook installation path

      • iexplore.exe (PID: 3420)

    • Drops a file with a compile date too recent

      • WinRAR.exe (PID: 3384)

    • Drops a file that was compiled in debug mode

      • WinRAR.exe (PID: 3384)

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 3384)

    • Drops a file with too old compile date

      • WinRAR.exe (PID: 3384)

    • Reads Environment values

      • NucleusCoop.exe (PID: 952)

  • INFO

    • Checks supported languages

      • iexplore.exe (PID: 2360)
      • iexplore.exe (PID: 3420)
      • SearchProtocolHost.exe (PID: 1384)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 3420)
      • iexplore.exe (PID: 2360)

    • Reads internet explorer settings

      • iexplore.exe (PID: 3420)

    • Reads the date of Windows installation

      • iexplore.exe (PID: 2360)

    • Creates files in the user directory

      • iexplore.exe (PID: 2360)

    • Changes settings of System certificates

      • iexplore.exe (PID: 2360)

    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 2360)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 2360)

    • Reads the computer name

      • iexplore.exe (PID: 3420)
      • iexplore.exe (PID: 2360)
      • SearchProtocolHost.exe (PID: 1384)

    • Application launched itself

      • iexplore.exe (PID: 2360)

    • Changes internet zones settings

      • iexplore.exe (PID: 2360)

    • Checks Windows Trust Settings

      • iexplore.exe (PID: 2360)
      • iexplore.exe (PID: 3420)

    • Dropped object may contain Bitcoin addresses

      • WinRAR.exe (PID: 3384)

    • Manual execution by user

      • NucleusCoop.exe (PID: 952)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
5
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start iexplore.exe iexplore.exe winrar.exe searchprotocolhost.exe no specs nucleuscoop.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
952"C:\Users\admin\Desktop\NucleusCoop\NucleusCoop.exe" C:\Users\admin\Desktop\NucleusCoop\NucleusCoop.exe—Explorer.EXE
User:
admin
Company:
Lucas Assis, ZeroFox & Ilyaki
Integrity Level:
MEDIUM
Description:
Nucleus Coop Tool (Mod)
Exit code:
0
Version:
2.0.0.8
Modules
Images
c:\users\admin\desktop\nucleuscoop\nucleuscoop.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
1384"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe3_ Global\UsGthrCtrlFltPipeMssGthrPipe3 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon" C:\Windows\system32\SearchProtocolHost.exe—SearchIndexer.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft Windows Search Protocol Host
Exit code:
0
Version:
7.00.7601.24542 (win7sp1_ldr_escrow.191209-2211)
Modules
Images
c:\windows\system32\searchprotocolhost.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
2360"C:\Program Files\Internet Explorer\iexplore.exe" "https://github.com/ZeroFox5866/nucleuscoop/releases/download/v1.1.2/NucleusCoop.Mod.v1.1.2.zip"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:\windows\system32\ntdll.dll
c:\program files\internet explorer\iexplore.exe
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
3384"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\NucleusCoop.Mod.v1.1.2.zip"C:\Program Files\WinRAR\WinRAR.exe
iexplore.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\windows\system32\ntdll.dll
c:\program files\winrar\winrar.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\comdlg32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\usp10.dll
3420"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2360 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\advapi32.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\api-ms-win-downlevel-version-l1-1-0.dll
Total events
18 683
Read events
18 488
Write events
191
Delete events
4

Modification events

(PID) Process:(2360) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
1
(PID) Process:(2360) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchLowDateTime
Value:
351795248
(PID) Process:(2360) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
30912587
(PID) Process:(2360) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
651956576
(PID) Process:(2360) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30912587
(PID) Process:(2360) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2360) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2360) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2360) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2360) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
Executable files
122
Suspicious files
21
Text files
159
Unknown types
20

Dropped files

PID
Process
Filename
Type
2360iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442der
MD5:—
SHA256:—
2360iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442binary
MD5:—
SHA256:—
3420iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\NucleusCoop.Mod.v1.1.2.zip.dycxcuy.partial —
MD5:—
SHA256:—
3420iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\12B578593FDE07EC53D020B1D5DEBF3B_5D74C2DB556F94499BCD6D74A36958A3binary
MD5:—
SHA256:—
3420iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\2A7611428D62805A3E4E5BC4103D82E4_D0FA13DADFB59BDF00C474952E166CC1binary
MD5:—
SHA256:—
2360iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776der
MD5:—
SHA256:—
2360iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\NucleusCoop.Mod.v1.1.2.zip —
MD5:—
SHA256:—
2360iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157binary
MD5:—
SHA256:—
2360iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776binary
MD5:—
SHA256:—
3420iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EDC238BFF48A31D55A97E1E93892934B_C20E0DA2D0F89FE526E1490F4A2EE5ABbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
11
TCP/UDP connections
28
DNS requests
14
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2360
iexplore.exe
GET
200
92.123.195.28:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?b17ee077a706dad0
unknown
compressed
4.70 Kb
whitelisted
2360
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8Ull8gIGmZT9XHrHiJQeI%3D
US
der
1.47 Kb
whitelisted
2360
iexplore.exe
GET
200
92.123.195.28:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?578500d736587b57
unknown
compressed
4.70 Kb
whitelisted
3420
iexplore.exe
GET
200
67.27.158.126:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?c6cece346a37ec5d
US
compressed
4.70 Kb
whitelisted
3420
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTfqhLjKLEJQZPin0KCzkdAQpVYowQUsT7DaQP4v0cB1JgmGggC72NkK8MCEATh56TcXPLzbcArQrhdFZ8%3D
US
der
471 b
whitelisted
3420
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTGMlruL6P9M9B3if1rTM7wyj%2FQKQQUUGGmoNI1xBEqII0fD6xC8M0pz0sCEA6L83cNktGW8Lth%2BTxBZr4%3D
US
der
279 b
whitelisted
3420
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTfqhLjKLEJQZPin0KCzkdAQpVYowQUsT7DaQP4v0cB1JgmGggC72NkK8MCEAZnA1u7FP1jr8DWqFNO%2FhY%3D
US
der
471 b
whitelisted
2360
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA%2BnRyLFPYjID1ie%2Bx%2BdSjo%3D
US
der
1.47 Kb
whitelisted
2360
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAxq6XzO1ZmDhpCgCp6lMhQ%3D
US
der
471 b
whitelisted
2360
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
US
der
471 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
2360
iexplore.exe
13.107.21.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
3420
iexplore.exe
140.82.121.3:443
github.com
—
US
suspicious
2360
iexplore.exe
92.123.195.57:80
ctldl.windowsupdate.com
Akamai International B.V.
—
whitelisted
2360
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2360
iexplore.exe
152.199.19.161:443
iecvlist.microsoft.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2360
iexplore.exe
92.123.195.28:80
ctldl.windowsupdate.com
Akamai International B.V.
—
suspicious
3420
iexplore.exe
67.27.158.126:80
ctldl.windowsupdate.com
Level 3 Communications, Inc.
US
malicious
3420
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3420
iexplore.exe
185.199.109.154:443
github-releases.githubusercontent.com
GitHub, Inc.
NL
suspicious
2360
iexplore.exe
204.79.197.200:443
www.bing.com
Microsoft Corporation
US
whitelisted

DNS requests

Domain
IP
Reputation
github.com
  • 140.82.121.3
malicious
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 13.107.21.200
  • 204.79.197.200
whitelisted
ctldl.windowsupdate.com
  • 92.123.195.57
  • 92.123.195.28
  • 67.27.158.126
  • 67.27.157.126
  • 8.253.207.121
  • 8.253.204.249
  • 8.248.143.254
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
github-releases.githubusercontent.com
  • 185.199.109.154
  • 185.199.108.154
  • 185.199.111.154
  • 185.199.110.154
whitelisted
ieonline.microsoft.com
  • 204.79.197.200
whitelisted
go.microsoft.com
  • 104.89.38.104
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
https://github.com/ZeroFox5866/nucleuscoop/releases/download/v1.1.2/NucleusCoop.Mod.v1.1.2.zip