File name:

krnl.exe

Full analysis: https://app.any.run/tasks/58f1b5b7-ab5e-4127-a50b-acabe9a51c09
Verdict: Malicious activity
Analysis date: February 15, 2020, 20:15:43
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:

1C75F8EDEDE642A6BDA1829F1BC832EE

SHA1:

B82030F6C15602C6A6B7994B178DC8EF360BB0A2

SHA256:

84180426C600B31E3CF9BE1A55DCC2A5DE498BD4185B983BD2EFE37F3675C6DE

SSDEEP:

12288:20enKmZrtN2RWr7+G70EE/0GGGGGGhGGGGxdoM43nwqb:2vBzrC4ysGGGGGGhGGGGx1qb

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

    • Changes the autorun value in the registry

      • reg.exe (PID: 2808)

  • SUSPICIOUS

    • Application launched itself

      • Skype.exe (PID: 940)
      • Skype.exe (PID: 2696)
      • Skype.exe (PID: 3180)

    • Uses REG.EXE to modify Windows registry

      • Skype.exe (PID: 940)

    • Modifies the open verb of a shell class

      • Skype.exe (PID: 940)

    • Creates files in the user directory

      • Skype.exe (PID: 2696)
      • Skype.exe (PID: 3180)
      • Skype.exe (PID: 940)

    • Reads CPU info

      • Skype.exe (PID: 940)

  • INFO

    • Manual execution by user

      • Skype.exe (PID: 940)

    • Reads the hosts file

      • Skype.exe (PID: 940)

    • Reads settings of System Certificates

      • Skype.exe (PID: 940)

    • Dropped object may contain Bitcoin addresses

      • Skype.exe (PID: 940)
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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:02:14 11:54:58+01:00
PEType: PE32
LinkerVersion: 48
CodeSize: 775680
InitializedDataSize: 7168
UninitializedDataSize: -
EntryPoint: 0xbf486
OSVersion: 4
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.0
ProductVersionNumber: 1.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: krnlss
FileVersion: 1.0.0.0
InternalName: krnlss.exe
LegalCopyright: Copyright © 2019
LegalTrademarks: -
OriginalFileName: krnlss.exe
ProductName: krnlss
ProductVersion: 1.0.0.0
AssemblyVersion: 1.0.0.0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 14-Feb-2020 10:54:58
Debug artifacts:
  • C:\Users\LaziestBoy\source\repos\krnlss\obj\Release\krnlss.pdb
Comments: -
CompanyName: -
FileDescription: krnlss
FileVersion: 1.0.0.0
InternalName: krnlss.exe
LegalCopyright: Copyright © 2019
LegalTrademarks: -
OriginalFilename: krnlss.exe
ProductName: krnlss
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: 14-Feb-2020 10:54:58
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
0x000BD48C
0x000BD600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.37333
.rsrc
0x000C0000
0x0000187C
0x00001A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.08839
.reloc
0x000C2000
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
1.51664
20
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
52
Monitored processes
12
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start krnl.exe skype.exe skype.exe reg.exe skype.exe no specs reg.exe no specs skype.exe skype.exe no specs skype.exe skype.exe no specs skype.exe no specs skype.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
180"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --ms-disable-indexeddb-transaction-timeout --no-sandbox --service-pipe-token=EAF9E5D938DAE0A184A6275CB34FBED6 --lang=en-US --app-user-model-id=Microsoft.Skype.SkypeDesktop --app-path="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar" --node-integration=false --webview-tag=true --no-sandbox --preload="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar\Preload.js" --context-id=1 --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553 --disable-accelerated-video-decode --disable-gpu-compositing --enable-gpu-async-worker-context --service-request-channel-token=EAF9E5D938DAE0A184A6275CB34FBED6 --renderer-client-id=7 --mojo-platform-channel-handle=2844 /prefetch:1C:\Program Files\Microsoft\Skype for Desktop\Skype.exe—Skype.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Exit code:
0
Version:
8.29.0.50
940"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" C:\Program Files\Microsoft\Skype for Desktop\Skype.exe
explorer.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Exit code:
1073807364
Version:
8.29.0.50
Modules
Images
c:\program files\microsoft\skype for desktop\skype.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\skype for desktop\node.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\program files\microsoft\skype for desktop\msvcp140.dll
2340"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1C:\Program Files\Microsoft\Skype for Desktop\Skype.exe
Skype.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Exit code:
2
Version:
8.29.0.50
Modules
Images
c:\program files\microsoft\skype for desktop\skype.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\skype for desktop\node.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\program files\microsoft\skype for desktop\msvcp140.dll
2696"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --ms-disable-indexeddb-transaction-timeout --no-sandbox --service-pipe-token=1083B1D08F5A536B86F79EBCA79DEE32 --lang=en-US --app-user-model-id=Microsoft.Skype.SkypeDesktop --app-path="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar" --node-integration=false --webview-tag=true --no-sandbox --preload="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar\Preload.js" --context-id=2 --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553 --disable-accelerated-video-decode --disable-gpu-compositing --enable-gpu-async-worker-context --service-request-channel-token=1083B1D08F5A536B86F79EBCA79DEE32 --renderer-client-id=3 --mojo-platform-channel-handle=1576 /prefetch:1C:\Program Files\Microsoft\Skype for Desktop\Skype.exe—Skype.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Exit code:
0
Version:
8.29.0.50
Modules
Images
c:\program files\microsoft\skype for desktop\skype.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\skype for desktop\node.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\program files\microsoft\skype for desktop\msvcp140.dll
2808C:\Windows\system32\reg.exe ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Skype for Desktop" /t REG_SZ /d "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" /fC:\Windows\system32\reg.exe
Skype.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.exe
c:\systemroot\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
2928"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --ms-disable-indexeddb-transaction-timeout --no-sandbox --service-pipe-token=6F7F3E0B890C94370DA1E4D82E924168 --lang=en-US --app-user-model-id=Microsoft.Skype.SkypeDesktop --app-path="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar" --node-integration=false --webview-tag=true --no-sandbox --preload="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar\Preload.js" --context-id=1 --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553 --disable-accelerated-video-decode --disable-gpu-compositing --enable-gpu-async-worker-context --service-request-channel-token=6F7F3E0B890C94370DA1E4D82E924168 --renderer-client-id=5 --mojo-platform-channel-handle=2840 /prefetch:1C:\Program Files\Microsoft\Skype for Desktop\Skype.exe—Skype.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Exit code:
3221225794
Version:
8.29.0.50
Modules
Images
c:\program files\microsoft\skype for desktop\skype.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\skype for desktop\node.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\program files\microsoft\skype for desktop\msvcp140.dll
3180"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --ms-disable-indexeddb-transaction-timeout --no-sandbox --service-pipe-token=43E7FBA75A18CB09389572E9E1ECF65B --lang=en-US --app-user-model-id=Microsoft.Skype.SkypeDesktop --app-path="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar" --node-integration=false --webview-tag=true --no-sandbox --preload="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar\Preload.js" --context-id=1 --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553 --disable-accelerated-video-decode --disable-gpu-compositing --enable-gpu-async-worker-context --service-request-channel-token=43E7FBA75A18CB09389572E9E1ECF65B --renderer-client-id=4 --mojo-platform-channel-handle=2692 /prefetch:1C:\Program Files\Microsoft\Skype for Desktop\Skype.exe—Skype.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Exit code:
1073807364
Version:
8.29.0.50
Modules
Images
c:\program files\microsoft\skype for desktop\skype.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\skype for desktop\node.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\program files\microsoft\skype for desktop\msvcp140.dll
3420"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1C:\Program Files\Microsoft\Skype for Desktop\Skype.exe
Skype.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Exit code:
2
Version:
8.29.0.50
Modules
Images
c:\program files\microsoft\skype for desktop\skype.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\skype for desktop\node.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\program files\microsoft\skype for desktop\msvcp140.dll
3428C:\Windows\system32\reg.exe QUERY HKCU\Software\Microsoft\Skype /v RestartForUpdateC:\Windows\system32\reg.exe—Skype.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.exe
c:\systemroot\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
3504"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1C:\Program Files\Microsoft\Skype for Desktop\Skype.exe
Skype.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Exit code:
1073807364
Version:
8.29.0.50
Modules
Images
c:\program files\microsoft\skype for desktop\skype.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\skype for desktop\node.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\program files\microsoft\skype for desktop\msvcp140.dll
Total events
250
Read events
210
Write events
40
Delete events
0

Modification events

(PID) Process:(3756) krnl.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3756) krnl.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3756) krnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3756) krnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3756) krnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3756) krnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(3756) krnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(3756) krnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(3756) krnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3756) krnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
Executable files
0
Suspicious files
5
Text files
17
Unknown types
0

Dropped files

PID
Process
Filename
Type
940Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\3DF2IZLUNNB7EY9HKNCZ.temp —
MD5:—
SHA256:—
940Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b916037c1e115fe0.customDestinations-msbinary
MD5:—
SHA256:—
940Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\ecscache.jsontext
MD5:—
SHA256:—
2340Skype.exeC:\Users\admin\AppData\Local\Temp\skype-preview Crashes\operation_log.txttext
MD5:—
SHA256:—
2696Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\skylib\slimcore-0-187992553.blogbinary
MD5:—
SHA256:—
940Skype.exeC:\Users\admin\AppData\Local\Temp\f1e2d273-46c1-47b2-af70-8729572e1870.tmp.icoimage
MD5:75A3D7765F2F4F8712775B10E1D18003
SHA256:28854F198091126B6E3A57FE312A3B77C1074CD0B111AED6F7604A2467F52166
940Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\settings.jsontext
MD5:FCB20E92C05828ACADD1AC43E9979E30
SHA256:6C6A926CD18F9952AF42CBCE920BA705AB64D65AD88CA6D039BC20C7F6C7530E
940Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\Local Storage\leveldb\LOG.oldtext
MD5:7F39B22308B34B4138A09991EC4D41C5
SHA256:31C4D714AFBFAB8D23AE08F061F6A5F1E46A26B0AB20795EAC7D2134A55CCEB6
940Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\Local Storage\leveldb\000020.ldbbinary
MD5:293E0F9B607CD2B0CDD018CF9D0CDA80
SHA256:C5D2E32E6B4104D72815C2DD3FF491DC500A1BBD78FC2E2A44C211D340DE6D9B
940Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\IndexedDB\file__0.indexeddb.leveldb\LOG.old~RFa6baad.TMPtext
MD5:0D8DB3D43BCB9F490169188E803314DE
SHA256:1A5CBD55803117484FA35A69D5535F9B6D9FB7D3272A585084C9F4B2FA3C4AC3
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
10
DNS requests
10
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
940
Skype.exe
52.174.193.75:443
get.skype.com
Microsoft Corporation
NL
whitelisted
940
Skype.exe
23.210.249.5:443
download.skype.com
Akamai International B.V.
NL
whitelisted
940
Skype.exe
172.217.21.202:443
www.googleapis.com
Google Inc.
US
whitelisted
940
Skype.exe
13.68.117.223:443
avatar.skype.com
Microsoft Corporation
US
whitelisted
940
Skype.exe
52.114.158.92:443
browser.pipe.aria.microsoft.com
Microsoft Corporation
US
unknown
3756
krnl.exe
104.20.68.143:443
pastebin.com
Cloudflare Inc
US
malicious
940
Skype.exe
152.199.19.160:443
bot-framework.azureedge.net
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
940
Skype.exe
13.107.3.128:443
a.config.skype.com
Microsoft Corporation
US
whitelisted
940
Skype.exe
52.114.32.24:443
pipe.skype.com
Microsoft Corporation
JP
unknown

DNS requests

Domain
IP
Reputation
pastebin.com
  • 104.20.68.143
  • 104.20.67.143
malicious
get.skype.com
  • 52.174.193.75
whitelisted
a.config.skype.com
  • 13.107.3.128
whitelisted
pipe.skype.com
  • 52.114.32.24
whitelisted
download.skype.com
  • 23.210.249.5
whitelisted
www.googleapis.com
  • 172.217.21.202
whitelisted
avatar.skype.com
  • 13.68.117.223
whitelisted
browser.pipe.aria.microsoft.com
  • 52.114.158.92
whitelisted
bot-framework.azureedge.net
  • 152.199.19.160
whitelisted
config.edge.skype.com
  • 13.107.3.128
malicious

Threats

No threats detected
Process
Message
Skype.exe
[3504:3004:0215/201615.593:VERBOSE1:crash_service.cc(145)] window handle is 00080228
Skype.exe
[3504:3244:0215/201615.593:VERBOSE1:crash_service.cc(333)] client start. pid = 940
Skype.exe
[3504:3004:0215/201615.593:VERBOSE1:crash_service.cc(300)] pipe name is \\.\pipe\skype-preview Crash Service dumps at C:\Users\admin\AppData\Local\Temp\skype-preview Crashes
Skype.exe
[3504:3004:0215/201615.593:VERBOSE1:crash_service_main.cc(78)] Session start. cmdline is [--reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1]
Skype.exe
[3504:3004:0215/201615.593:VERBOSE1:crash_service_main.cc(94)] Ready to process crash requests
Skype.exe
[3504:3004:0215/201615.593:VERBOSE1:crash_service.cc(304)] checkpoint is C:\Users\admin\AppData\Local\Temp\skype-preview Crashes\crash_checkpoint.txt server is https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload maximum 128 reports/day reporter is electron-crash-service
Skype.exe
[3504:3244:0215/201617.256:VERBOSE1:crash_service.cc(333)] client start. pid = 2696
Skype.exe
[2340:2052:0215/201617.411:VERBOSE1:crash_service_main.cc(78)] Session start. cmdline is [--reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1]
Skype.exe
[2340:2052:0215/201617.412:VERBOSE1:crash_service.cc(300)] pipe name is \\.\pipe\skype-preview Crash Service dumps at C:\Users\admin\AppData\Local\Temp\skype-preview Crashes
Skype.exe
[2340:2052:0215/201617.412:VERBOSE1:crash_service.cc(300)] pipe name is \\.\pipe\skype-preview Crash Service dumps at C:\Users\admin\AppData\Local\Temp\skype-preview Crashes
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Reports
krnl.exe