File name:

Installer.exe

Full analysis: https://app.any.run/tasks/779c2398-ffb9-4408-b394-c0ffbd553a98
Verdict: Malicious activity
Analysis date: December 06, 2024, 18:56:05
OS: Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

9819A03FFD0525DC2C67095ED032EE48

SHA1:

4D39FCE7DF80E6D8ED1D07670A614879DCF15695

SHA256:

74F36CE2089CEA27236550F53C879258E279615C9815F905776FEF84F4C4DB81

SSDEEP:

49152:P2kd+2HLIOZwyWMzFceAyLmWv4s/T67FnJxHocKVK90fSKz1WzKcDmbmR22LIOZ3:P5nEeAJWv4MiFflB2bz14EuTeAJ

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

    No malicious indicators.
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Installer.exe (PID: 6248)
    • Executes application which crashes

      • NucleusCoop.exe (PID: 4640)
      • NucleusCoop.exe (PID: 6748)
    • Process drops legitimate windows executable

      • Installer.exe (PID: 6248)
    • There is functionality for taking screenshot (YARA)

      • NucleusCoop.exe (PID: 524)
  • INFO

    • Reads the machine GUID from the registry

      • Installer.exe (PID: 6248)
    • Checks supported languages

      • Installer.exe (PID: 6248)
    • Reads the computer name

      • Installer.exe (PID: 6248)
    • Disables trace logs

      • Installer.exe (PID: 6248)
    • Manual execution by a user

      • NucleusCoop.exe (PID: 4640)
      • NucleusCoop.exe (PID: 6748)
      • NucleusCoop.exe (PID: 524)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (63.1)
.exe | Win64 Executable (generic) (23.8)
.dll | Win32 Dynamic Link Library (generic) (5.6)
.exe | Win32 Executable (generic) (3.8)
.exe | Generic Win/DOS Executable (1.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2075:07:15 00:41:51+00:00
ImageFileCharacteristics: Executable, Large address aware, 32-bit
PEType: PE32
LinkerVersion: 48
CodeSize: 758272
InitializedDataSize: 342528
UninitializedDataSize: -
EntryPoint: 0xbb16e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 1.1.0.0
ProductVersionNumber: 1.1.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: Nucleus Co-op installation tool
CompanyName: https://github.com/Mikou27
FileDescription: Nucleus Co-op Installer
FileVersion: 1.1.0.0
InternalName: Installer.exe
LegalCopyright: Copyright © 2022
LegalTrademarks: -
OriginalFileName: Installer.exe
ProductName: Nucleus Co-op Installer
ProductVersion: 1.1.0.0
AssemblyVersion: 1.1.0.0
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
145
Monitored processes
11
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start installer.exe rundll32.exe no specs nucleuscoop.exe werfault.exe nucleuscoop.exe werfault.exe nucleuscoop.exe reg.exe no specs conhost.exe no specs updater.exe splitcalculator.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
524"C:\New folder\NucleusCoop.exe" C:\New folder\NucleusCoop.exe
explorer.exe
User:
admin
Company:
Lucas Assis, ZeroFox, Ilyaki & Mikou27
Integrity Level:
MEDIUM
Description:
Nucleus Co-op
Exit code:
4294967295
Version:
2.3.0.0
Modules
Images
c:\new folder\nucleuscoop.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\advapi32.dll
1224C:\WINDOWS\SysWOW64\WerFault.exe -u -p 6748 -s 1040C:\Windows\SysWOW64\WerFault.exe
NucleusCoop.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\werfault.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\msvcrt.dll
c:\windows\syswow64\combase.dll
3172C:\WINDOWS\SysWOW64\WerFault.exe -u -p 4640 -s 1068C:\Windows\SysWOW64\WerFault.exe
NucleusCoop.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\werfault.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\msvcrt.dll
c:\windows\syswow64\combase.dll
4640"C:\New folder\NucleusCoop.exe" C:\New folder\NucleusCoop.exe
explorer.exe
User:
admin
Company:
Lucas Assis, ZeroFox, Ilyaki & Mikou27
Integrity Level:
MEDIUM
Description:
Nucleus Co-op
Exit code:
3762504530
Version:
2.3.0.0
Modules
Images
c:\new folder\nucleuscoop.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
5340"C:\New folder\utils\SplitCalculator\SplitCalculator.exe" C:\New folder\utils\SplitCalculator\SplitCalculator.exeNucleusCoop.exe
User:
admin
Company:
Splitscreen Dreams
Integrity Level:
MEDIUM
Description:
SplitCalculator
Exit code:
0
Version:
0.4.0.0
Modules
Images
c:\new folder\utils\splitcalculator\splitcalculator.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
5872C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -EmbeddingC:\Windows\System32\rundll32.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll
6248"C:\Users\admin\Installer.exe" C:\Users\admin\Installer.exe
explorer.exe
User:
admin
Company:
https://github.com/Mikou27
Integrity Level:
MEDIUM
Description:
Nucleus Co-op Installer
Exit code:
0
Version:
1.1.0.0
Modules
Images
c:\users\admin\installer.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
6748"C:\New folder\NucleusCoop.exe" C:\New folder\NucleusCoop.exe
explorer.exe
User:
admin
Company:
Lucas Assis, ZeroFox, Ilyaki & Mikou27
Integrity Level:
MEDIUM
Description:
Nucleus Co-op
Exit code:
3762504530
Version:
2.3.0.0
Modules
Images
c:\new folder\nucleuscoop.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\advapi32.dll
7004"reg.exe" export "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" "C:\New folder\utils\backup\User Shell Folders.reg" /yC:\Windows\SysWOW64\reg.exeNucleusCoop.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\reg.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\msvcrt.dll
c:\windows\syswow64\advapi32.dll
7028\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exereg.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
Total events
16 120
Read events
16 067
Write events
52
Delete events
1

Modification events

(PID) Process:(6248) Installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Installer_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(6248) Installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Installer_RASAPI32
Operation:writeName:EnableAutoFileTracing
Value:
0
(PID) Process:(6248) Installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Installer_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(6248) Installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Installer_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(6248) Installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Installer_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(6248) Installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Installer_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(6248) Installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Installer_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(6248) Installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Installer_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(6248) Installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Installer_RASMANCS
Operation:writeName:EnableAutoFileTracing
Value:
0
(PID) Process:(6248) Installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Installer_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
Executable files
337
Suspicious files
163
Text files
1 031
Unknown types
4

Dropped files

PID
Process
Filename
Type
6248Installer.exeC:\New folder\Temp\NucleusApp.zip
MD5:
SHA256:
6248Installer.exeC:\New folder\EasyHook32Svc.exe.tmpexecutable
MD5:642338E293AE96E6F43A003B7C5041AA
SHA256:65492608F5DA52ED8D5B6F9360B6D9792456802E6FB03ADF38656223501A923A
6248Installer.exeC:\New folder\EasyHook32.dll.tmpexecutable
MD5:E646A64FD89411E72122AD17FCAA3F2A
SHA256:AAB29D771BDB8C600B4DF654DE2D6832CDA259DC3F4955B2C697DB30FD151817
6248Installer.exeC:\New folder\EasyHook32.dllexecutable
MD5:E646A64FD89411E72122AD17FCAA3F2A
SHA256:AAB29D771BDB8C600B4DF654DE2D6832CDA259DC3F4955B2C697DB30FD151817
6248Installer.exeC:\New folder\EasyHook64.dllexecutable
MD5:F8243AFB8DC94D1BD47F25E524847104
SHA256:04F967D77DBA69D8369218A2AE316C210749F0B1279AC563D8D281DEA7B8C6E4
6248Installer.exeC:\New folder\EasyHook64Svc.exe.tmpexecutable
MD5:A769C48087512D942B9461C2AD292295
SHA256:361A8652870DFC554F2EF6D87C517A3C50770B90BC06E9D44B06D2005DD67BCD
6248Installer.exeC:\New folder\EasyHook64.dll.tmpexecutable
MD5:F8243AFB8DC94D1BD47F25E524847104
SHA256:04F967D77DBA69D8369218A2AE316C210749F0B1279AC563D8D281DEA7B8C6E4
6248Installer.exeC:\New folder\gui\icons\default.png.tmpimage
MD5:84E471BF222016BF825FF9AB2BDDB64B
SHA256:74A3050C4526E92A3A2B18463C34E34BDAD605BD8E1FFA8CD466F92EFF3BEF1C
6248Installer.exeC:\New folder\EasyHook.dllexecutable
MD5:1125599EB9FDC1C3401EDB4E9827A953
SHA256:DF58E7A3F6423DD8AA6E95867F59691845672A5884BE2D4D28257C5C931FFF0E
6248Installer.exeC:\New folder\gui\shortcuts\KbShortcutsReminder.jpegimage
MD5:2E578A87C61567B8DAC75CBD97503CD9
SHA256:87CDA630E05D3103464F2A6E684A094F68D47D447E0E843EAF872B5799CA5161
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
43
DNS requests
29
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
GET
200
23.32.238.153:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
5064
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
whitelisted
GET
200
23.218.209.163:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
1176
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
3732
SIHClient.exe
GET
200
88.221.169.152:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
6352
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
whitelisted
3732
SIHClient.exe
GET
200
88.221.169.152:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
3172
WerFault.exe
GET
200
23.52.120.96:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
3172
WerFault.exe
GET
200
2.16.241.12:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4712
MoUsoCoreWorker.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
whitelisted
3884
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5064
SearchApp.exe
104.126.37.155:443
www.bing.com
Akamai International B.V.
DE
whitelisted
5064
SearchApp.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
23.32.238.153:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
23.218.209.163:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
4
System
192.168.100.255:138
whitelisted
6248
Installer.exe
140.82.121.5:443
api.github.com
GITHUB
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
  • 51.124.78.146
  • 40.127.240.158
  • 20.73.194.208
whitelisted
google.com
  • 172.217.18.14
whitelisted
www.bing.com
  • 104.126.37.155
  • 104.126.37.176
  • 104.126.37.171
  • 104.126.37.163
  • 104.126.37.123
  • 104.126.37.154
  • 104.126.37.178
  • 104.126.37.170
  • 104.126.37.160
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
crl.microsoft.com
  • 23.32.238.153
  • 23.32.238.155
  • 23.32.238.123
  • 23.32.238.97
  • 23.32.238.107
  • 2.19.198.43
  • 23.32.238.145
  • 2.16.241.12
  • 2.16.241.19
whitelisted
www.microsoft.com
  • 23.218.209.163
  • 88.221.169.152
  • 23.52.120.96
whitelisted
api.github.com
  • 140.82.121.5
whitelisted
login.live.com
  • 20.190.159.23
  • 20.190.159.4
  • 20.190.159.71
  • 20.190.159.0
  • 20.190.159.68
  • 20.190.159.75
  • 20.190.159.64
  • 40.126.31.73
whitelisted
go.microsoft.com
  • 23.213.166.81
whitelisted
arc.msn.com
  • 20.105.99.58
whitelisted

Threats

No threats detected
Process
Message
NucleusCoop.exe
WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.