File name:

c2cac3865dd7f7465c0d82534148c240.zip

Full analysis: https://app.any.run/tasks/9c1adece-9ba2-4886-9a59-a4d68463cd3e
Verdict: Malicious activity
Threats:

NanoCore is a Remote Access Trojan or RAT. This malware is highly customizable with plugins which allow attackers to tailor its functionality to their needs. Nanocore is created with the .NET framework and it’s available for purchase for just $25 from its “official” website.

Analysis date: April 25, 2019, 15:02:28
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
nanocore
rat
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract
MD5:

9CA98E4619F2105BA52BE65E0FB8A098

SHA1:

E816ACB7FF797B9CCE84E4DDA3DE4385CD7E2648

SHA256:

09BD11F9863DB23F24A4D3723756C4DF1410D3744C572ECC431547EF10E26EB5

SSDEEP:

12288:aZSrSXyiqJR93DBQVyuq+0jTYx2nNRsjuDgRXrPmuYdltfSUrYNmPP:agrSibf3DBUqdLNDgRreXllB53

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

      • Img-US10018922189-0001901001.exe (PID: 3476)
    • NanoCore was detected

      • RegAsm.exe (PID: 3500)
    • Changes the autorun value in the registry

      • RegAsm.exe (PID: 3500)
    • Application was dropped or rewritten from another process

      • Img-US10018922189-0001901001.exe (PID: 3476)
      • RegAsm.exe (PID: 3500)
    • Connects to CnC server

      • RegAsm.exe (PID: 3500)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 1548)
      • Img-US10018922189-0001901001.exe (PID: 3476)
      • RegAsm.exe (PID: 3500)
    • Creates files in the user directory

      • Img-US10018922189-0001901001.exe (PID: 3476)
      • RegAsm.exe (PID: 3500)
  • INFO

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2948)
    • Application launched itself

      • AcroRd32.exe (PID: 3288)
      • RdrCEF.exe (PID: 2724)
    • Creates files in the user directory

      • WINWORD.EXE (PID: 2948)
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: 20
ZipBitFlag: 0x0009
ZipCompression: Deflated
ZipModifyDate: 2019:04:25 10:01:17
ZipCRC: 0x3c061484
ZipCompressedSize: 772955
ZipUncompressedSize: 2097152
ZipFileName: c2cac3865dd7f7465c0d82534148c240
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
45
Monitored processes
9
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe no specs acrord32.exe no specs acrord32.exe no specs rdrcef.exe no specs rdrcef.exe no specs winword.exe no specs winrar.exe img-us10018922189-0001901001.exe #NANOCORE regasm.exe

Process information

PID
CMD
Path
Indicators
Parent process
296"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="2724.0.1136169286\1807125604" --allow-no-sandbox-job /prefetch:673131151C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeRdrCEF.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
1500"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" --type=renderer "C:\Users\admin\Desktop\c2cac3865dd7f7465c0d82534148c240.pdf"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exeAcroRd32.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
LOW
Description:
Adobe Acrobat Reader DC
Exit code:
1
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\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
1548"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Desktop\c2cac3865dd7f7465c0d82534148c240.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
2604"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\c2cac3865dd7f7465c0d82534148c240.zip"C:\Program Files\WinRAR\WinRAR.exeexplorer.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
2724"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16448250C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeAcroRd32.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
MEDIUM
Description:
Adobe RdrCEF
Exit code:
3221225547
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
2948"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\c2cac3865dd7f7465c0d82534148c240.doc"C:\Program Files\Microsoft Office\Office14\WINWORD.EXEexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Exit code:
0
Version:
14.0.6024.1000
Modules
Images
c:\program files\microsoft office\office14\winword.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\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
3288"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\admin\Desktop\c2cac3865dd7f7465c0d82534148c240.pdf"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exeexplorer.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
MEDIUM
Description:
Adobe Acrobat Reader DC
Exit code:
1
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\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
3476"C:\Users\admin\AppData\Local\Temp\Rar$EXa1548.16241\Img-US10018922189-0001901001.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa1548.16241\Img-US10018922189-0001901001.exe
WinRAR.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa1548.16241\img-us10018922189-0001901001.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wsock32.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\version.dll
3500"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
Img-US10018922189-0001901001.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
Total events
1 529
Read events
1 371
Write events
152
Delete events
6

Modification events

(PID) Process:(2604) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(2604) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(2604) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2604) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\c2cac3865dd7f7465c0d82534148c240.zip
(PID) Process:(2604) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(2604) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(2604) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(2604) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(2604) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface
Operation:writeName:ShowPassword
Value:
0
(PID) Process:(1500) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\ExitSection
Operation:writeName:bLastExitNormal
Value:
0
Executable files
3
Suspicious files
4
Text files
3
Unknown types
8

Dropped files

PID
Process
Filename
Type
2604WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRb2604.7298\c2cac3865dd7f7465c0d82534148c240
MD5:
SHA256:
1500AcroRd32.exeC:\Users\admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages-journal
MD5:
SHA256:
1500AcroRd32.exeC:\Users\admin\AppData\Local\Adobe\Acrobat\DC\Cache\AdobeFnt16.lst.1500
MD5:
SHA256:
1500AcroRd32.exeC:\Users\admin\AppData\Local\Adobe\Acrobat\DC\AdobeFnt16.lst.1500
MD5:
SHA256:
2948WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR58B.tmp.cvr
MD5:
SHA256:
2948WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRD0000.doc
MD5:
SHA256:
2948WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRD0001.doc
MD5:
SHA256:
2948WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{2D146890-9765-4BB2-B9E0-78850079CF6C}.tmp
MD5:
SHA256:
2948WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{9A3A6EA9-6402-4EF7-A185-91FB393DEB14}.tmp
MD5:
SHA256:
3288AcroRd32.exeC:\Users\admin\AppData\Local\Adobe\Acrobat\DC\AdobeSysFnt15.lstps
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
1
Threats
81

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
3500
RegAsm.exe
185.247.228.161:8050
moran101.duckdns.org
malicious

DNS requests

Domain
IP
Reputation
moran101.duckdns.org
  • 185.247.228.161
malicious

Threats

PID
Process
Class
Message
3500
RegAsm.exe
Misc activity
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
3500
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 64B
3500
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3500
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3500
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3500
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3500
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 64B
3500
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3500
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3500
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 64B
49 ETPRO signatures available at the full report
No debug info