analyze malware
  • Huge database of samples and IOCs
  • Custom VM setup
  • Unlimited submissions
  • Interactive approach
Sign up, it’s free
URL:

https://keshhub.com/bootstrapper/krnl_console_bootstrapper.exe

Full analysis: https://app.any.run/tasks/f1f88453-4596-489b-abe4-ef89cfbe8b30
Verdict: Malicious activity
Analysis date: February 23, 2021, 03:45:52
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

076C97248A282380765E4DC1E31E6A44

SHA1:

3E9EE3E85E65F789347DD76F4DF5801A0DE11590

SHA256:

016638781AD21DB8559D78C634434BA40D0EFC57FEEC38545923AD1BCA3DCE0C

SSDEEP:

3:N8Fp33WRXEx4UNJPWXEw4A:2yxEqbEw4A

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

      • krnl_console_bootstrapper.exe (PID: 316)
      • krnlss.exe (PID: 3724)
      • 7za.exe (PID: 2140)
      • 7za.exe (PID: 1600)
      • krnlss.exe (PID: 2372)
    • Loads dropped or rewritten executable

      • SearchProtocolHost.exe (PID: 3256)
      • krnlss.exe (PID: 3724)
      • krnlss.exe (PID: 2372)
  • SUSPICIOUS

    • Drops a file with too old compile date

      • firefox.exe (PID: 2556)
      • 7za.exe (PID: 2140)
    • Executable content was dropped or overwritten

      • krnl_console_bootstrapper.exe (PID: 316)
      • firefox.exe (PID: 2556)
      • 7za.exe (PID: 2140)
    • Drops a file that was compiled in debug mode

      • firefox.exe (PID: 2556)
      • krnl_console_bootstrapper.exe (PID: 316)
      • 7za.exe (PID: 2140)
    • Drops a file with a compile date too recent

      • krnl_console_bootstrapper.exe (PID: 316)
    • Executed via COM

      • explorer.exe (PID: 1540)
  • INFO

    • Reads CPU info

      • firefox.exe (PID: 2556)
    • Creates files in the program directory

      • firefox.exe (PID: 2556)
    • Application launched itself

      • firefox.exe (PID: 2556)
      • firefox.exe (PID: 3812)
    • Creates files in the user directory

      • firefox.exe (PID: 2556)
    • Manual execution by user

      • krnlss.exe (PID: 3724)
      • krnlss.exe (PID: 2372)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
55
Monitored processes
14
Malicious processes
7
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start drop and start drop and start firefox.exe no specs firefox.exe firefox.exe no specs firefox.exe firefox.exe firefox.exe krnl_console_bootstrapper.exe searchprotocolhost.exe no specs 7za.exe no specs krnlss.exe no specs 7za.exe explorer.exe no specs explorer.exe no specs krnlss.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3812"C:\Program Files\Mozilla Firefox\firefox.exe" "https://keshhub.com/bootstrapper/krnl_console_bootstrapper.exe"C:\Program Files\Mozilla Firefox\firefox.exeexplorer.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
68.0.1
2556"C:\Program Files\Mozilla Firefox\firefox.exe" https://keshhub.com/bootstrapper/krnl_console_bootstrapper.exeC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
68.0.1
3752"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2556.0.188724494\853238024" -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 2556 "\\.\pipe\gecko-crash-server-pipe.2556" 1184 gpuC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
68.0.1
2188"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2556.3.1749873759\626494046" -childID 1 -isForBrowser -prefsHandle 1720 -prefMapHandle 1716 -prefsLen 1 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 2556 "\\.\pipe\gecko-crash-server-pipe.2556" 1740 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
68.0.1
2308"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2556.13.235783805\256894163" -childID 2 -isForBrowser -prefsHandle 2936 -prefMapHandle 2940 -prefsLen 5996 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 2556 "\\.\pipe\gecko-crash-server-pipe.2556" 2924 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
68.0.1
1220"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2556.20.1233517263\1312918414" -childID 3 -isForBrowser -prefsHandle 3828 -prefMapHandle 3844 -prefsLen 7565 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 2556 "\\.\pipe\gecko-crash-server-pipe.2556" 3868 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
68.0.1
316"C:\Users\admin\Downloads\krnl_console_bootstrapper.exe" C:\Users\admin\Downloads\krnl_console_bootstrapper.exe
firefox.exe
User:
admin
Integrity Level:
MEDIUM
Description:
krnl_console_bootstrapper
Exit code:
0
Version:
1.0.0.0
3256"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe5_ Global\UsGthrCtrlFltPipeMssGthrPipe5 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.exeSearchIndexer.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft Windows Search Protocol Host
Version:
7.00.7600.16385 (win7_rtm.090713-1255)
1600"C:\Users\admin\Downloads\7za.exe" x "C:\Users\admin\Downloads\krnl\bin\Monaco.zip" -y -o"C:\Users\admin\Downloads\krnl\bin"C:\Users\admin\Downloads\7za.exekrnl_console_bootstrapper.exe
User:
admin
Company:
Igor Pavlov
Integrity Level:
MEDIUM
Description:
7-Zip Standalone Console
Exit code:
0
Version:
19.00
3724"C:\Users\admin\Downloads\krnl\krnlss.exe" C:\Users\admin\Downloads\krnl\krnlss.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
krnlss
Exit code:
1
Version:
1.0.0.0
Total events
2 273
Read events
2 170
Write events
0
Delete events
0

Modification events

No data
Executable files
142
Suspicious files
56
Text files
71
Unknown types
120

Dropped files

PID
Process
Filename
Type
2556firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin
MD5:
SHA256:
2556firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shm
MD5:
SHA256:
2556firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.js
MD5:
SHA256:
2556firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmp
MD5:
SHA256:
2556firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1451318868ntouromlalnodry--epcr.sqlite-shm
MD5:
SHA256:
2556firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\2918063365piupsah.sqlite-shm
MD5:
SHA256:
2556firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shm
MD5:
SHA256:
2556firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\search.json.mozlz4.tmp
MD5:
SHA256:
2556firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-child-current.binbinary
MD5:5027177F513CDAE07DB2330E1DED5934
SHA256:0C53F16051E738287A4612F68E296238087627E594CFD6DDFA1FECC2E998328B
2556firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\search.json.mozlz4jsonlz4
MD5:6D378E0D40B6EACA22C8BCE899A1C5C1
SHA256:ADA2467B2477ACEFF837AC7820C435AD1EBBE844B2DA31C7AB9AE8D010C7A639
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
12
TCP/UDP connections
32
DNS requests
72
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2556
firefox.exe
POST
200
142.250.185.131:80
http://ocsp.pki.goog/gts1o1core
US
der
472 b
whitelisted
2556
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
279 b
whitelisted
2556
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
279 b
whitelisted
2556
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
2556
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
2556
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
2556
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt
US
text
8 b
whitelisted
2556
firefox.exe
POST
200
142.250.185.131:80
http://ocsp.pki.goog/gts1o1core
US
der
471 b
whitelisted
2556
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt
US
text
8 b
whitelisted
2556
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
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
2556
firefox.exe
142.250.185.131:80
ocsp.pki.goog
Google Inc.
US
whitelisted
2556
firefox.exe
52.38.202.57:443
search.services.mozilla.com
Amazon.com, Inc.
US
unknown
2556
firefox.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2556
firefox.exe
104.21.40.18:443
keshhub.com
Cloudflare Inc
US
unknown
2556
firefox.exe
65.9.58.80:443
firefox.settings.services.mozilla.com
AT&T Services, Inc.
US
suspicious
2556
firefox.exe
13.32.24.84:443
content-signature-2.cdn.mozilla.net
Amazon.com, Inc.
US
unknown
2556
firefox.exe
65.9.58.34:443
snippets.cdn.mozilla.net
AT&T Services, Inc.
US
suspicious
2556
firefox.exe
142.250.186.42:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
2556
firefox.exe
216.58.212.142:443
sb-ssl.google.com
Google Inc.
US
whitelisted
2556
firefox.exe
34.107.221.82:80
detectportal.firefox.com
US
whitelisted

DNS requests

Domain
IP
Reputation
keshhub.com
  • 104.21.40.18
  • 172.67.174.130
suspicious
detectportal.firefox.com
  • 34.107.221.82
whitelisted
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
whitelisted
search.services.mozilla.com
  • 52.38.202.57
  • 44.230.235.158
  • 34.213.158.239
whitelisted
search.r53-2.services.mozilla.com
  • 34.213.158.239
  • 44.230.235.158
  • 52.38.202.57
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
cs9.wac.phicdn.net
  • 93.184.220.29
whitelisted
push.services.mozilla.com
  • 52.37.150.23
whitelisted
autopush.prod.mozaws.net
  • 52.37.150.23
whitelisted
snippets.cdn.mozilla.net
  • 65.9.58.34
  • 65.9.58.32
  • 65.9.58.121
  • 65.9.58.51
whitelisted

Threats

PID
Process
Class
Message
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
No debug info