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

krnl.exe

Full analysis: https://app.any.run/tasks/5ae937e3-c6d1-48da-b4df-ab960ceba10d
Verdict: Malicious activity
Analysis date: January 24, 2022, 16:05:47
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:

E2A9FEC47A88D70D0BB16160420418BA

SHA1:

95B7634A88A21EE918576401F2A5FD40B8D919C9

SHA256:

D7F152F22CE516AD72F5FA46148C045417F922A80B2D9869D3DAC328944C8B7F

SSDEEP:

768:yU8+/s6nFkBywGNunzi+pCWg9PgRv52rpMIH+:NxyGNF+fg9oRvM1e

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

    • Writes to a start menu file

      • krnl.exe (PID: 2172)

    • Uses Task Scheduler to run other applications

      • krnl.exe (PID: 2172)

    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 268)

    • Changes the autorun value in the registry

      • krnl.exe (PID: 2172)

  • SUSPICIOUS

    • Reads the computer name

      • krnl.exe (PID: 2172)
      • krnl.exe (PID: 1820)
      • krnl.exe (PID: 3624)
      • krnl.exe (PID: 3656)
      • krnl.exe (PID: 3148)

    • Checks supported languages

      • krnl.exe (PID: 2172)
      • krnl.exe (PID: 1820)
      • krnl.exe (PID: 3624)
      • krnl.exe (PID: 3148)
      • krnl.exe (PID: 3656)

    • Reads Environment values

      • krnl.exe (PID: 2172)

    • Creates files in the user directory

      • krnl.exe (PID: 2172)

    • Drops a file with a compile date too recent

      • krnl.exe (PID: 2172)

    • Executable content was dropped or overwritten

      • krnl.exe (PID: 2172)

    • Executed via Task Scheduler

      • krnl.exe (PID: 1820)
      • krnl.exe (PID: 3624)
      • krnl.exe (PID: 3656)
      • krnl.exe (PID: 3148)

    • Modifies files in Chrome extension folder

      • chrome.exe (PID: 2444)

  • INFO

    • Reads the computer name

      • schtasks.exe (PID: 268)
      • chrome.exe (PID: 2444)
      • chrome.exe (PID: 1076)
      • chrome.exe (PID: 3196)
      • chrome.exe (PID: 2928)
      • chrome.exe (PID: 1996)

    • Checks supported languages

      • schtasks.exe (PID: 268)
      • chrome.exe (PID: 3196)
      • chrome.exe (PID: 2444)
      • chrome.exe (PID: 1972)
      • chrome.exe (PID: 1572)
      • chrome.exe (PID: 3604)
      • chrome.exe (PID: 3992)
      • chrome.exe (PID: 1076)
      • chrome.exe (PID: 2928)
      • chrome.exe (PID: 3532)
      • chrome.exe (PID: 3184)
      • chrome.exe (PID: 3236)
      • chrome.exe (PID: 1996)
      • chrome.exe (PID: 4076)
      • chrome.exe (PID: 116)

    • Reads settings of System Certificates

      • krnl.exe (PID: 2172)
      • chrome.exe (PID: 1076)

    • Manual execution by user

      • chrome.exe (PID: 2444)

    • Reads the hosts file

      • chrome.exe (PID: 2444)
      • chrome.exe (PID: 1076)

    • Application launched itself

      • chrome.exe (PID: 2444)
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.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

AssemblyVersion: 0.0.0.0
ProductVersion: 0.0.0.0
OriginalFileName: krnl.exe
LegalCopyright:
InternalName: krnl.exe
FileVersion: 0.0.0.0
FileDescription:
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 0.0.0.0
FileVersionNumber: 0.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0xc1ee
UninitializedDataSize: -
InitializedDataSize: 47616
CodeSize: 41472
LinkerVersion: 11
PEType: PE32
TimeStamp: 2022:01:24 16:45:40+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 24-Jan-2022 15:45:40
FileDescription: -
FileVersion: 0.0.0.0
InternalName: krnl.exe
LegalCopyright: -
OriginalFilename: krnl.exe
ProductVersion: 0.0.0.0
Assembly Version: 0.0.0.0

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: 24-Jan-2022 15:45:40
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x0000A1F4
0x0000A200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.70268
.rsrc
0x0000E000
0x0000B784
0x0000B800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.80797
.reloc
0x0001A000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
2
3.20769
16936
Latin 1 / Western European
UNKNOWN
RT_ICON
3
3.18977
9640
Latin 1 / Western European
UNKNOWN
RT_ICON
4
3.4226
6760
Latin 1 / Western European
UNKNOWN
RT_ICON
5
3.17064
4264
Latin 1 / Western European
UNKNOWN
RT_ICON
6
3.39088
2440
Latin 1 / Western European
UNKNOWN
RT_ICON
7
3.34639
1720
Latin 1 / Western European
UNKNOWN
RT_ICON
8
2.99605
1128
Latin 1 / Western European
UNKNOWN
RT_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
56
Monitored processes
20
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start krnl.exe schtasks.exe no specs krnl.exe no specs krnl.exe no specs chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs krnl.exe no specs krnl.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2172"C:\Users\admin\AppData\Local\Temp\krnl.exe" C:\Users\admin\AppData\Local\Temp\krnl.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
Version:
0.0.0.0
268"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 1 /tn "krnl" /tr "C:\Users\admin\AppData\Roaming\krnl.exe"C:\Windows\System32\schtasks.exe—krnl.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
1820C:\Users\admin\AppData\Roaming\krnl.exe C:\Users\admin\AppData\Roaming\krnl.exe—taskeng.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
0.0.0.0
3624C:\Users\admin\AppData\Roaming\krnl.exe C:\Users\admin\AppData\Roaming\krnl.exe—taskeng.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
0.0.0.0
2444"C:\Program Files\Google\Chrome\Application\chrome.exe" C:\Program Files\Google\Chrome\Application\chrome.exe
Explorer.EXE
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
3221225547
Version:
86.0.4240.198
1972"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win32 --annotation=prod=Chrome --annotation=ver=86.0.4240.198 --initial-client-data=0xc8,0xcc,0xd0,0x9c,0xd4,0x6e25d988,0x6e25d998,0x6e25d9a4C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
86.0.4240.198
3196"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1052,12116702548259864514,13120823525327746666,131072 --enable-features=PasswordImport --gpu-preferences=MAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAQAAAAAAAAAAAAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAA= --mojo-platform-channel-handle=1064 /prefetch:2C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
86.0.4240.198
1076"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1052,12116702548259864514,13120823525327746666,131072 --enable-features=PasswordImport --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1340 /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exe
chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
86.0.4240.198
1572"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1052,12116702548259864514,13120823525327746666,131072 --enable-features=PasswordImport --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1940 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
86.0.4240.198
3604"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1052,12116702548259864514,13120823525327746666,131072 --enable-features=PasswordImport --lang=en-US --instant-process --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1948 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
86.0.4240.198
Total events
13 165
Read events
13 069
Write events
0
Delete events
0

Modification events

No data
Executable files
2
Suspicious files
125
Text files
105
Unknown types
8

Dropped files

PID
Process
Filename
Type
2444chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\BrowserMetrics\BrowserMetrics-61EECEF8-98C.pma —
MD5:—
SHA256:—
2172krnl.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\krnl.exeexecutable
MD5:E2A9FEC47A88D70D0BB16160420418BA
SHA256:D7F152F22CE516AD72F5FA46148C045417F922A80B2D9869D3DAC328944C8B7F
2444chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Preferencestext
MD5:A94C8C2058CC31AF0CD7E46C76252497
SHA256:D7CBD58E5D9DB361A1B4681FC7F606A8131CECA0EE98AF404986D8AD50955F67
2444chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\a895b075-1852-4508-8906-99277c027445.tmptext
MD5:A94C8C2058CC31AF0CD7E46C76252497
SHA256:D7CBD58E5D9DB361A1B4681FC7F606A8131CECA0EE98AF404986D8AD50955F67
2172krnl.exeC:\Users\admin\AppData\Roaming\krnl.exeexecutable
MD5:E2A9FEC47A88D70D0BB16160420418BA
SHA256:D7F152F22CE516AD72F5FA46148C045417F922A80B2D9869D3DAC328944C8B7F
2444chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Last Versiontext
MD5:00046F773EFDD3C8F8F6D0F87A2B93DC
SHA256:593EDE11D17AF7F016828068BCA2E93CF240417563FB06DC8A579110AEF81731
1076chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Cache\indexbinary
MD5:75FAD7382FBE74DAF7D113E4F034E488
SHA256:16342DA87DCAD0FBB07D85089FE77802921A05B650B993EB88C409BCD83B143A
2444chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.oldtext
MD5:5BD3C311F2136A7A88D3E197E55CF902
SHA256:FA331915E1797E59979A3E4BCC2BD0D3DEAA039B94D4DB992BE251FD02A224B9
2444chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Local Storage\leveldb\LOG.oldtext
MD5:7721CDA9F5B73CE8A135471EB53B4E0E
SHA256:DD730C576766A46FFC84E682123248ECE1FF1887EC0ACAB22A5CE93A450F4500
2444chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.oldtext
MD5:8FF312A95D60ED89857FEB720D80D4E1
SHA256:946A57FAFDD28C3164D5AB8AB4971B21BD5EC5BFFF7554DBF832CB58CC37700B
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
15
DNS requests
14
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1076
chrome.exe
GET
200
34.104.35.123:80
http://edgedl.me.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvNzI0QUFXNV9zT2RvdUwyMERESEZGVmJnQQ/1.0.0.6_nmmhkkegccagdldgiimedpiccmgmieda.crx
US
crx
242 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1076
chrome.exe
142.250.186.77:443
accounts.google.com
Google Inc.
US
suspicious
2172
krnl.exe
3.140.223.7:17858
6.tcp.ngrok.io
—
US
malicious
—
—
208.95.112.1:80
ip-api.com
IBURST
—
malicious
1076
chrome.exe
142.250.186.100:443
www.google.com
Google Inc.
US
whitelisted
1076
chrome.exe
142.250.186.174:443
clients2.google.com
Google Inc.
US
whitelisted
2172
krnl.exe
162.159.138.85:443
sharetext.me
Cloudflare Inc
—
malicious
1076
chrome.exe
142.250.184.227:443
www.gstatic.com
Google Inc.
US
whitelisted
1076
chrome.exe
142.250.181.238:443
apis.google.com
Google Inc.
US
whitelisted
1076
chrome.exe
216.58.212.131:443
clientservices.googleapis.com
Google Inc.
US
whitelisted
1076
chrome.exe
34.104.35.123:80
edgedl.me.gvt1.com
—
US
whitelisted

DNS requests

Domain
IP
Reputation
ip-api.com
  • 208.95.112.1
shared
sharetext.me
  • 162.159.138.85
  • 162.159.137.85
malicious
6.tcp.ngrok.io
  • 3.140.223.7
malicious
www.google.com
  • 142.250.186.100
whitelisted
accounts.google.com
  • 142.250.186.77
shared
clients2.google.com
  • 142.250.186.174
whitelisted
fonts.googleapis.com
  • 142.250.186.106
whitelisted
www.gstatic.com
  • 142.250.184.227
whitelisted
fonts.gstatic.com
  • 142.250.181.227
whitelisted
apis.google.com
  • 142.250.181.238
whitelisted

Threats

PID
Process
Class
Message
—
—
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
No debug info
Interactive malware hunting service ANY.RUN
© 2017-2024 ANY.RUN LLC. ALL RIGHTS RESERVED
ANY.RUN
Reports
krnl.exe