File name:

krnl_bootstrapper.exe

Full analysis: https://app.any.run/tasks/2aea2701-757d-4d84-b77a-3a64b208e818
Verdict: Malicious activity
Analysis date: June 27, 2022, 09:06:24
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:

B126080844FCB2496B5B59E448AA41D1

SHA1:

893BCD19EE2838701568C6F847C7866EC6DE25ED

SHA256:

6292748B0BB9C1AA3FAA742EFC661E4B77B75AC83AF84AEFA7E4948F2C8A29A1

SSDEEP:

12288:EBVCrK2jsP3zv+FSF68GANNhWLS0B6L+FOCN+AzrnxdanvzFzh:cU7ecSgL6y+gk+rnxdarF

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

    • Drops executable file immediately after starts

      • krnl_bootstrapper.exe (PID: 3056)

    • Application was dropped or rewritten from another process

      • 7za.exe (PID: 952)

    • Loads dropped or rewritten executable

      • krnl_bootstrapper.exe (PID: 3056)
      • SearchProtocolHost.exe (PID: 3196)

  • SUSPICIOUS

    • Checks supported languages

      • krnl_bootstrapper.exe (PID: 1560)
      • krnl_bootstrapper.exe (PID: 1820)
      • 7za.exe (PID: 952)
      • krnl_bootstrapper.exe (PID: 3056)

    • Reads the computer name

      • krnl_bootstrapper.exe (PID: 1560)
      • krnl_bootstrapper.exe (PID: 1820)
      • krnl_bootstrapper.exe (PID: 3056)
      • 7za.exe (PID: 952)

    • Reads Environment values

      • krnl_bootstrapper.exe (PID: 1560)
      • krnl_bootstrapper.exe (PID: 1820)
      • krnl_bootstrapper.exe (PID: 3056)

    • Executable content was dropped or overwritten

      • krnl_bootstrapper.exe (PID: 3056)

    • Drops a file with a compile date too recent

      • krnl_bootstrapper.exe (PID: 3056)

  • INFO

    • Checks supported languages

      • WISPTIS.EXE (PID: 2104)
      • SearchProtocolHost.exe (PID: 3196)

    • Reads the computer name

      • WISPTIS.EXE (PID: 2104)
      • SearchProtocolHost.exe (PID: 3196)

    • Reads settings of System Certificates

      • krnl_bootstrapper.exe (PID: 1560)
      • krnl_bootstrapper.exe (PID: 3056)

    • Manual execution by user

      • krnl_bootstrapper.exe (PID: 1820)
      • krnl_bootstrapper.exe (PID: 3056)
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

AssemblyVersion: 1.0.0.0
ProductVersion: 1.0.0.0
ProductName: krnl_bootstrapper
OriginalFileName: krnl_bootstrapper.exe
LegalTrademarks: -
LegalCopyright: Copyright © 2022
InternalName: krnl_bootstrapper.exe
FileVersion: 1.0.0.0
FileDescription: krnl_bootstrapper
CompanyName: -
Comments: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.0.0
FileVersionNumber: 1.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 6
ImageVersion: -
OSVersion: 4
EntryPoint: 0xe7322
UninitializedDataSize: -
InitializedDataSize: 257024
CodeSize: 939008
LinkerVersion: 48
PEType: PE32
TimeStamp: 2085:11:14 17:53:23+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 09-Oct-1949 10:25:07
Debug artifacts:
  • C:\Users\kto\Documents\krnl_bootstrapper\obj\Release\net472\krnl_bootstrapper.pdb
Comments: -
CompanyName: -
FileDescription: krnl_bootstrapper
FileVersion: 1.0.0.0
InternalName: krnl_bootstrapper.exe
LegalCopyright: Copyright © 2022
LegalTrademarks: -
OriginalFilename: krnl_bootstrapper.exe
ProductName: krnl_bootstrapper
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

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: 09-Oct-1949 10:25:07
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
0x000E5328
0x000E5400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.53587
.rsrc
0x000E8000
0x0003E8D8
0x0003EA00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
1.20735
.reloc
0x00128000
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
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST
32512
2.01924
20
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
49
Monitored processes
7
Malicious processes
2
Suspicious processes
2

Behavior graph

Click at the process to see the details
start drop and start krnl_bootstrapper.exe wisptis.exe no specs wisptis.exe krnl_bootstrapper.exe krnl_bootstrapper.exe 7za.exe no specs searchprotocolhost.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
952"C:\Users\admin\Desktop\krnl\7za.exe" x "C:\Users\admin\Desktop\krnl\bin\Monaco.zip" -o"C:\Users\admin\Desktop\krnl\bin" -aoa -bsp1C:\Users\admin\Desktop\krnl\7za.exe—krnl_bootstrapper.exe
User:
admin
Company:
Igor Pavlov
Integrity Level:
MEDIUM
Description:
7-Zip Standalone Console
Exit code:
0
Version:
15.14
Modules
Images
c:\users\admin\desktop\krnl\7za.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
1560"C:\Users\admin\Desktop\krnl_bootstrapper.exe" C:\Users\admin\Desktop\krnl_bootstrapper.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
krnl_bootstrapper
Exit code:
3489660927
Version:
1.0.0.0
Modules
Images
c:\users\admin\desktop\krnl_bootstrapper.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\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
1820"C:\Users\admin\Desktop\krnl_bootstrapper.exe" C:\Users\admin\Desktop\krnl_bootstrapper.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
krnl_bootstrapper
Exit code:
3489660927
Version:
1.0.0.0
Modules
Images
c:\users\admin\desktop\krnl_bootstrapper.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
2104"C:\Windows\SYSTEM32\WISPTIS.EXE" /ManualLaunch;C:\Windows\SYSTEM32\WISPTIS.EXE
krnl_bootstrapper.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft Pen and Touch Input Component
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\wisptis.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\rpcrt4.dll
3056"C:\Users\admin\Desktop\krnl_bootstrapper.exe" C:\Users\admin\Desktop\krnl_bootstrapper.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
krnl_bootstrapper
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\desktop\krnl_bootstrapper.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
3196"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe4_ Global\UsGthrCtrlFltPipeMssGthrPipe4 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
3880"C:\Windows\SYSTEM32\WISPTIS.EXE" /ManualLaunch;C:\Windows\SYSTEM32\WISPTIS.EXE—krnl_bootstrapper.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Pen and Touch Input Component
Exit code:
3221226540
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\wisptis.exe
Total events
8 477
Read events
8 372
Write events
105
Delete events
0

Modification events

(PID) Process:(1560) krnl_bootstrapper.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication
Operation:writeName:Name
Value:
krnl_bootstrapper.exe
(PID) Process:(1560) krnl_bootstrapper.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(1560) krnl_bootstrapper.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(1560) krnl_bootstrapper.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(1560) krnl_bootstrapper.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2104) WISPTIS.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication
Operation:writeName:Name
Value:
WISPTIS.EXE
(PID) Process:(2104) WISPTIS.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Wisp\Touch
Operation:writeName:TouchGate
Value:
1
(PID) Process:(2104) WISPTIS.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Wisp\MultiTouch
Operation:writeName:MultiTouchEnabled
Value:
1
(PID) Process:(2104) WISPTIS.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Wisp\Pen\SysEventParameters
Operation:writeName:FlickMode
Value:
1
(PID) Process:(2104) WISPTIS.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Wisp\Pen\SysEventParameters
Operation:writeName:TouchFlickTolerance
Value:
50
Executable files
7
Suspicious files
1
Text files
20
Unknown types
0

Dropped files

PID
Process
Filename
Type
9527za.exeC:\Users\admin\Desktop\krnl\bin\Monaco\vs\base\worker\workerMain.jstext
MD5:27EAD90C7702154755785E0E53398755
SHA256:BDF9433692A08851E13DD58504EEF19F51BD2EC7241923A68EDF5772E0E53AF5
9527za.exeC:\Users\admin\Desktop\krnl\bin\Monaco\Monaco.htmlhtml
MD5:F872D6BB3D3364428DB47E8DB7050D43
SHA256:0F4292152A1F55A75E7DE8A5DEF919A7DDACFB9A774FD02C4B82C8FA99715E96
9527za.exeC:\Users\admin\Desktop\krnl\bin\Monaco\vs\basic-languages\lua\lua.jstext
MD5:9CF08ADA63C048E4E38C8816409ED958
SHA256:C171352021B601D49147F9C8A8B241CA0D8E905F79937164AC824AD2FF3F9CCC
9527za.exeC:\Users\admin\Desktop\krnl\bin\Monaco\vs\editor\contrib\suggest\media\String_inverse_16x.svgimage
MD5:6E5C0CE7EC09969F07EA6EE078EF8AD6
SHA256:7D23C0F30CB9C05C81BB15785A3299772AE3CFBE51F3E04895AA1F23FFBEBA5B
9527za.exeC:\Users\admin\Desktop\krnl\bin\Monaco\vs\editor\editor.main.csstext
MD5:233217455A3EF3604BF4942024B94F98
SHA256:2EC118616A1370E7C37342DA85834CA1819400C28F83ABFCBBB1EF50B51F7701
9527za.exeC:\Users\admin\Desktop\krnl\bin\Monaco\vs\editor\editor.main.nls.es.jstext
MD5:B371235F971BAA51F58F123F40C4435A
SHA256:203FF3591E02EB7B55A591E53919CC337F8DEA73E6446FC3493227761C0794BA
9527za.exeC:\Users\admin\Desktop\krnl\bin\Monaco\vs\editor\editor.main.nls.de.jstext
MD5:4D83BC1BCED6F773423BE6F939472CFE
SHA256:0DEE462D5FB231F169F6CBC432465A43FD445C011FE650E29F5FB2BCCC31EAAE
9527za.exeC:\Users\admin\Desktop\krnl\bin\Monaco\vs\editor\contrib\suggest\media\String_16x.svgimage
MD5:48E754CB54C78A85DCC9AAEA9A27847E
SHA256:D1AA361F33564E8F9D527A01A66C7CE35D73F23417432E80DDF51F562770EE79
3056krnl_bootstrapper.exeC:\Users\admin\Desktop\krnl\7za.exeexecutable
MD5:EC79CABD55A14379E4D676BB17D9E3DF
SHA256:44A55F5D9C31D0990DE47B9893E0C927478930CEF06FBE2D1F520A6D6CBA587D
9527za.exeC:\Users\admin\Desktop\krnl\bin\Monaco\vs\editor\editor.main.jstext
MD5:9399A8EAA741D04B0AE6566A5EBB8106
SHA256:93D28520C07FBCA09E20886087F28797BB7BD0E6CF77400153AAB5AE67E3CE18
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
27
DNS requests
5
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1560
krnl_bootstrapper.exe
91.134.128.60:443
cdn.krnl.place
OVH SAS
FR
suspicious
1820
krnl_bootstrapper.exe
145.239.192.146:443
cdn.krnl.place
OVH SAS
FR
suspicious
1560
krnl_bootstrapper.exe
188.114.96.3:443
k-storage.com
Cloudflare Inc
US
malicious
3056
krnl_bootstrapper.exe
91.134.128.60:443
cdn.krnl.place
OVH SAS
FR
suspicious
1560
krnl_bootstrapper.exe
145.239.192.146:443
cdn.krnl.place
OVH SAS
FR
suspicious
—
—
91.134.128.60:443
cdn.krnl.place
OVH SAS
FR
suspicious
3056
krnl_bootstrapper.exe
188.114.96.3:443
k-storage.com
Cloudflare Inc
US
malicious

DNS requests

Domain
IP
Reputation
cdn.krnl.place
  • 145.239.192.146
  • 91.134.128.60
suspicious
dns.msftncsi.com
  • 131.107.255.255
shared
k-storage.com
  • 188.114.96.3
  • 188.114.97.3
malicious

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
krnl_bootstrapper.exe