File name:

GCLauncher.bin(2).zip

Full analysis: https://app.any.run/tasks/09a2e32b-a2e3-4250-8230-c37a4fd5ddd9
Verdict: Malicious activity
Analysis date: May 30, 2020, 20:15:49
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract
MD5:

FAEF3E871F9406E435C556ED2C62EF96

SHA1:

5A986403131E7EB0B6133DF6C70B8E08877839C1

SHA256:

9B0A954969819CC879450AEBD8D482233EC6CECA1421FE751E8EE754127D4DA3

SSDEEP:

196608:ZiLPDOdYL15HXMdh8gPaj746Re0e0bvrmkgvjWRGtjiyoXx+bKkl9Z4gB5WyLlkh:IrOdYL1ujete0mRvj0h1u4aWyLlkOCKe

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: 536)

  • SUSPICIOUS

    • Creates files in the user directory

      • Skype.exe (PID: 2392)
      • Skype.exe (PID: 3764)
      • Skype.exe (PID: 2332)

    • Application launched itself

      • Skype.exe (PID: 2392)
      • Skype.exe (PID: 3764)
      • Skype.exe (PID: 2332)

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 1492)

    • Uses RUNDLL32.EXE to load library

      • WinRAR.exe (PID: 1492)

    • Reads CPU info

      • Skype.exe (PID: 2392)

    • Modifies the open verb of a shell class

      • Skype.exe (PID: 2392)

    • Changes IE settings (feature browser emulation)

      • AcroRd32.exe (PID: 2424)

    • Uses REG.EXE to modify Windows registry

      • Skype.exe (PID: 2392)

  • INFO

    • Manual execution by user

      • Skype.exe (PID: 2392)
      • opera.exe (PID: 2488)

    • Reads the hosts file

      • Skype.exe (PID: 2392)
      • RdrCEF.exe (PID: 3952)

    • Application launched itself

      • AcroRd32.exe (PID: 2424)
      • RdrCEF.exe (PID: 3952)

    • Creates files in the user directory

      • opera.exe (PID: 2488)

    • Reads settings of System Certificates

      • Skype.exe (PID: 2392)

    • Dropped object may contain Bitcoin addresses

      • Skype.exe (PID: 2392)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.zip | ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion: 788
ZipBitFlag: 0x0001
ZipCompression: Deflated
ZipModifyDate: 2020:05:30 22:08:17
ZipCRC: 0x939d3000
ZipCompressedSize: 13638161
ZipUncompressedSize: 13817488
ZipFileName: GCLauncher.bin
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
50
Monitored processes
15
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe rundll32.exe no specs skype.exe skype.exe reg.exe skype.exe no specs reg.exe no specs acrord32.exe no specs opera.exe acrord32.exe no specs skype.exe rdrcef.exe no specs rdrcef.exe no specs skype.exe no specs skype.exe

Process information

PID
CMD
Path
Indicators
Parent process
536C:\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
1360"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
1492"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\GCLauncher.bin(2).zip"C:\Program Files\WinRAR\WinRAR.exe
explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.60.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
1992"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-3d-apis --disable-databases --disable-direct-npapi-requests --disable-file-system --disable-notifications --disable-shared-workers --disable-direct-write --lang=en-US --lang=en-US --log-severity=disable --product-version="ReaderServices/15.23.20053 Chrome/45.0.2454.85" --device-scale-factor=1 --enable-delegated-renderer --num-raster-threads=2 --gpu-rasterization-msaa-sample-count=8 --content-image-texture-target=3553 --video-image-texture-target=3553 --disable-accelerated-video-decode --disable-webrtc-hw-encoding --disable-gpu-compositing --channel="3952.0.1031253272\1879545664" --allow-no-sandbox-job /prefetch:673131151C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe—RdrCEF.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
LOW
Description:
Adobe RdrCEF
Exit code:
0
Version:
15.23.20053.211670
Modules
Images
c:\program files\adobe\acrobat reader dc\reader\acrocef\rdrcef.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
2284"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Local\Temp\Rar$DIb1492.11287\GCLauncher.binC:\Windows\system32\rundll32.exe—WinRAR.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
2332"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --ms-disable-indexeddb-transaction-timeout --no-sandbox --service-pipe-token=E49E4A6D855220AF01F29582343A585D --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=E49E4A6D855220AF01F29582343A585D --renderer-client-id=4 --mojo-platform-channel-handle=2672 /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
2392"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
2424"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\admin\AppData\Local\Temp\Rar$DIb1492.11287\GCLauncher.bin"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe—rundll32.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
MEDIUM
Description:
Adobe Acrobat Reader DC
Exit code:
0
Version:
15.23.20070.215641
Modules
Images
c:\program files\adobe\acrobat reader dc\reader\acrord32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
2488"C:\Program Files\Opera\opera.exe" C:\Program Files\Opera\opera.exe
explorer.exe
User:
admin
Company:
Opera Software
Integrity Level:
MEDIUM
Description:
Opera Internet Browser
Exit code:
0
Version:
1748
Modules
Images
c:\program files\opera\opera.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\psapi.dll
c:\windows\system32\wintrust.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msasn1.dll
c:\windows\system32\rpcrt4.dll
2648C:\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
1 406
Read events
1 242
Write events
164
Delete events
0

Modification events

(PID) Process:(1492) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(1492) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(1492) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12F\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1492) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12F\52C64B7E
Operation:writeName:@C:\Windows\system32\NetworkExplorer.dll,-1
Value:
Network
(PID) Process:(1492) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\GCLauncher.bin(2).zip
(PID) Process:(1492) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(1492) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(1492) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(1492) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(1492) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface
Operation:writeName:ShowPassword
Value:
0
Executable files
1
Suspicious files
29
Text files
16
Unknown types
5

Dropped files

PID
Process
Filename
Type
2392Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\5OE3C9QU55NVGVZWS7YI.temp —
MD5:—
SHA256:—
2488opera.exeC:\Users\admin\AppData\Roaming\Opera\Opera\opr1A77.tmp —
MD5:—
SHA256:—
2488opera.exeC:\Users\admin\AppData\Roaming\Opera\Opera\opr1AC7.tmp —
MD5:—
SHA256:—
4028AcroRd32.exeC:\Users\admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages-journal —
MD5:—
SHA256:—
2392Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b916037c1e115fe0.customDestinations-msbinary
MD5:—
SHA256:—
2488opera.exeC:\Users\admin\AppData\Local\Opera\Opera\cache\sesn\opr00001.tmp —
MD5:—
SHA256:—
2488opera.exeC:\Users\admin\AppData\Roaming\Opera\Opera\opssl6.datbinary
MD5:—
SHA256:—
2488opera.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\HDVCT9ZV6ZSRPRUB9T5C.temp —
MD5:—
SHA256:—
2816Skype.exeC:\Users\admin\AppData\Local\Temp\skype-preview Crashes\operation_log.txttext
MD5:—
SHA256:—
2488opera.exeC:\Users\admin\AppData\Roaming\Opera\Opera\operaprefs.initext
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
11
DNS requests
9
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2488
opera.exe
GET
200
93.184.220.29:80
http://crl4.digicert.com/DigiCertHighAssuranceEVRootCA.crl
US
der
564 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
2392
Skype.exe
23.210.249.5:443
download.skype.com
Akamai International B.V.
NL
whitelisted
2488
opera.exe
185.26.182.93:443
certs.opera.com
Opera Software AS
—
whitelisted
2488
opera.exe
93.184.220.29:80
crl4.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2392
Skype.exe
172.217.21.202:443
www.googleapis.com
Google Inc.
US
whitelisted
2392
Skype.exe
152.199.19.160:443
bot-framework.azureedge.net
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2392
Skype.exe
52.174.193.75:443
get.skype.com
Microsoft Corporation
NL
whitelisted
2392
Skype.exe
13.107.42.23:443
a.config.skype.com
Microsoft Corporation
US
suspicious
2392
Skype.exe
52.233.180.130:443
avatar.skype.com
Microsoft Corporation
NL
unknown
—
—
13.107.42.23:443
a.config.skype.com
Microsoft Corporation
US
suspicious

DNS requests

Domain
IP
Reputation
get.skype.com
  • 52.174.193.75
whitelisted
a.config.skype.com
  • 13.107.42.23
whitelisted
download.skype.com
  • 23.210.249.5
whitelisted
certs.opera.com
  • 185.26.182.93
  • 185.26.182.94
whitelisted
crl4.digicert.com
  • 93.184.220.29
whitelisted
www.googleapis.com
  • 172.217.21.202
  • 216.58.212.170
  • 172.217.23.170
  • 216.58.205.234
  • 172.217.22.10
  • 216.58.208.42
  • 172.217.18.10
  • 172.217.18.170
  • 216.58.210.10
  • 172.217.16.170
  • 172.217.18.106
  • 172.217.16.202
  • 172.217.23.106
  • 216.58.212.138
  • 172.217.22.42
  • 172.217.22.74
whitelisted
avatar.skype.com
  • 52.233.180.130
whitelisted
bot-framework.azureedge.net
  • 152.199.19.160
whitelisted
config.edge.skype.com
  • 13.107.42.23
malicious

Threats

No threats detected
Process
Message
Skype.exe
[1360:1836:0530/211645.194:VERBOSE1:crash_service.cc(333)] client start. pid = 2392
Skype.exe
[1360:2160:0530/211645.194:VERBOSE1:crash_service.cc(145)] window handle is 0002015E
Skype.exe
[1360:2160:0530/211645.194: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
[1360:2160:0530/211645.194: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
[1360:2160:0530/211645.194: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
[1360:2160:0530/211645.194:VERBOSE1:crash_service_main.cc(94)] Ready to process crash requests
Skype.exe
[1360:1836:0530/211653.827:VERBOSE1:crash_service.cc(333)] client start. pid = 3764
Skype.exe
[2816:2696:0530/211654.155:ERROR:crash_service.cc(311)] could not start dumper
Skype.exe
[2816:2696:0530/211654.155: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
[2816:2696:0530/211654.155: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
GCLauncher.bin(2).zip