download:

eicar.com

Full analysis: https://app.any.run/tasks/d770c71a-86d9-4cb6-bddc-136a0a3d008f
Verdict: Malicious activity
Analysis date: January 16, 2020, 02:38:18
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: text/plain
File info: EICAR virus test files
MD5:

69630E4574EC6798239B091CDA43DCA0

SHA1:

CF8BD9DFDDFF007F75ADF4C2BE48005CEA317C62

SHA256:

131F95C51CC819465FA1797F6CCACF9D494AAAFF46FA3EAC73AE63FFBDFD8267

SSDEEP:

3:a+JraNvsgzsVqSwHqN:tJuOgzsky

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: 2880)

  • SUSPICIOUS

    • Application launched itself

      • Skype.exe (PID: 1952)
      • Skype.exe (PID: 3988)
      • Skype.exe (PID: 3804)

    • Uses REG.EXE to modify Windows registry

      • Skype.exe (PID: 1952)

    • Reads CPU info

      • Skype.exe (PID: 1952)

    • Creates files in the user directory

      • Skype.exe (PID: 1952)
      • Skype.exe (PID: 3804)
      • Skype.exe (PID: 3988)

    • Modifies the open verb of a shell class

      • Skype.exe (PID: 1952)

  • INFO

    • Manual execution by user

      • Skype.exe (PID: 1952)

    • Reads the hosts file

      • Skype.exe (PID: 1952)

    • Reads settings of System Certificates

      • Skype.exe (PID: 1952)

    • Dropped object may contain Bitcoin addresses

      • Skype.exe (PID: 1952)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.com | EICAR antivirus test file (100)
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
45
Monitored processes
9
Malicious processes
1
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
912"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
1952"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:
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
2284"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:
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
2868"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:\systemroot\system32\ntdll.dll
c:\program files\microsoft\skype for desktop\skype.exe
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
2880C:\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
3168"C:\Windows\system32\ntvdm.exe" -i1 C:\Windows\system32\ntvdm.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
NTVDM.EXE
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ntvdm.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\gdi32.dll
c:\windows\system32\user32.dll
3804"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --ms-disable-indexeddb-transaction-timeout --no-sandbox --service-pipe-token=9A41FC32CA8F1F0B270E7E0BF477673B --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=9A41FC32CA8F1F0B270E7E0BF477673B --renderer-client-id=3 --mojo-platform-channel-handle=1540 /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
3988"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --ms-disable-indexeddb-transaction-timeout --no-sandbox --service-pipe-token=76A38B89E2C7F62A694FDA98C81B5C85 --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=76A38B89E2C7F62A694FDA98C81B5C85 --renderer-client-id=4 --mojo-platform-channel-handle=2656 /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
4080C:\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
Total events
188
Read events
169
Write events
19
Delete events
0

Modification events

(PID) Process:(1952) Skype.exeKey:HKEY_CLASSES_ROOT\skype
Operation:writeName:URL Protocol
Value:
(PID) Process:(1952) Skype.exeKey:HKEY_CLASSES_ROOT\skype
Operation:writeName:
Value:
URL:skype
(PID) Process:(1952) Skype.exeKey:HKEY_CLASSES_ROOT\skype\shell\open\command
Operation:writeName:
Value:
"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" -- "%1"
(PID) Process:(2880) reg.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Skype for Desktop
Value:
C:\Program Files\Microsoft\Skype for Desktop\Skype.exe
(PID) Process:(1952) Skype.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1952) Skype.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\system32\p2pcollab.dll,-8042
Value:
Peer to Peer Trust
(PID) Process:(1952) Skype.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\system32\qagentrt.dll,-10
Value:
System Health Authentication
(PID) Process:(1952) Skype.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dnsapi.dll,-103
Value:
Domain Name System (DNS) Server Trust
(PID) Process:(1952) Skype.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\System32\fveui.dll,-843
Value:
BitLocker Drive Encryption
(PID) Process:(1952) Skype.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\System32\fveui.dll,-844
Value:
BitLocker Data Recovery Agent
Executable files
0
Suspicious files
6
Text files
17
Unknown types
0

Dropped files

PID
Process
Filename
Type
3168ntvdm.exeC:\Users\admin\AppData\Local\Temp\scsA5EF.tmp —
MD5:—
SHA256:—
3168ntvdm.exeC:\Users\admin\AppData\Local\Temp\scsA5FF.tmp —
MD5:—
SHA256:—
1952Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\B1DCO30IW01HXNFFF89D.temp —
MD5:—
SHA256:—
1952Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\ecscache.jsontext
MD5:—
SHA256:—
3804Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\skylib\slimcore-0-507587889.blogbinary
MD5:—
SHA256:—
3988Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\skylib\slimcore-1-507587889.blogbinary
MD5:—
SHA256:—
1952Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b916037c1e115fe0.customDestinations-msbinary
MD5:—
SHA256:—
1952Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\Local Storage\leveldb\000020.ldbbinary
MD5:293E0F9B607CD2B0CDD018CF9D0CDA80
SHA256:C5D2E32E6B4104D72815C2DD3FF491DC500A1BBD78FC2E2A44C211D340DE6D9B
1952Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\IndexedDB\file__0.indexeddb.leveldb\LOG.oldtext
MD5:0D8DB3D43BCB9F490169188E803314DE
SHA256:1A5CBD55803117484FA35A69D5535F9B6D9FB7D3272A585084C9F4B2FA3C4AC3
1952Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\IndexedDB\file__0.indexeddb.leveldb\LOG.old~RF39ff2b.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
9
DNS requests
9
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
1952
Skype.exe
13.90.95.57:443
get.skype.com
Microsoft Corporation
US
whitelisted
1952
Skype.exe
13.107.3.128:443
a.config.skype.com
Microsoft Corporation
US
whitelisted
1952
Skype.exe
2.18.233.81:443
download.skype.com
Akamai International B.V.
—
whitelisted
1952
Skype.exe
172.217.18.170:443
www.googleapis.com
Google Inc.
US
whitelisted
1952
Skype.exe
13.68.117.223:443
avatar.skype.com
Microsoft Corporation
US
whitelisted
1952
Skype.exe
152.199.19.160:443
bot-framework.azureedge.net
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
1952
Skype.exe
40.122.160.14:443
browser.pipe.aria.microsoft.com
Microsoft Corporation
US
unknown
1952
Skype.exe
52.114.76.35:443
pipe.skype.com
Microsoft Corporation
IE
whitelisted

DNS requests

Domain
IP
Reputation
get.skype.com
  • 13.90.95.57
whitelisted
a.config.skype.com
  • 13.107.3.128
whitelisted
pipe.skype.com
  • 52.114.76.35
whitelisted
download.skype.com
  • 2.18.233.81
whitelisted
www.googleapis.com
  • 172.217.18.170
whitelisted
avatar.skype.com
  • 13.68.117.223
whitelisted
bot-framework.azureedge.net
  • 152.199.19.160
whitelisted
browser.pipe.aria.microsoft.com
  • 40.122.160.14
whitelisted
config.edge.skype.com
  • 13.107.3.128
malicious

Threats

No threats detected
Process
Message
Skype.exe
[2284:2116:0116/023853.092:VERBOSE1:crash_service_main.cc(94)] Ready to process crash requests
Skype.exe
[2284:600:0116/023853.092:VERBOSE1:crash_service.cc(333)] client start. pid = 1952
Skype.exe
[2284:2116:0116/023853.092: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
[2284:2116:0116/023853.092: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
[2284:2116:0116/023853.092:VERBOSE1:crash_service.cc(145)] window handle is 0005012C
Skype.exe
[2284:2116:0116/023853.092: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
[2284:600:0116/023854.881:VERBOSE1:crash_service.cc(333)] client start. pid = 3804
Skype.exe
[912:3928:0116/023855.078: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
[912:3928:0116/023855.079: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
[912:3928:0116/023855.079:VERBOSE1:crash_service.cc(145)] window handle is 0003014C
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