File name:

Sales Contract Docs A612-005-20.ace

Full analysis: https://app.any.run/tasks/59a7c84a-0937-42ac-b9f1-98d0d9ed3f90
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: May 20, 2019, 12:18:25
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
nanocore
Indicators:
MIME: application/octet-stream
File info: ACE archive data version 20, from Win/32, version 20 to extract, contains AV-String (unregistered), solid
MD5:

B4AB5D35D4C982AE9CC6DB0C537C04A5

SHA1:

B15E5E6C65CCC6BD47B6C5A31BB32208FC6A9ACC

SHA256:

0F76EB043361405B9349E09AADD6CA714A24691BD96CE9E43313F8F37878FAC4

SSDEEP:

24576:MkMw2srboMV20mzX+i9o3hBLmvsP5EZjCVq3zla6JfQb3iGll07hYh:+svT0zui9shBqAaAkZPJfQb3OF8

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

      • cscript.exe (PID: 3236)
    • Application was dropped or rewritten from another process

      • Sales Contract Docs A612-005-20.com (PID: 3076)
      • RegAsm.exe (PID: 3888)
    • NanoCore was detected

      • RegAsm.exe (PID: 3888)
    • Changes the autorun value in the registry

      • RegAsm.exe (PID: 3888)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 2948)
      • Sales Contract Docs A612-005-20.com (PID: 3076)
      • RegAsm.exe (PID: 3888)
    • Starts application with an unusual extension

      • WinRAR.exe (PID: 2948)
    • Executes scripts

      • Sales Contract Docs A612-005-20.com (PID: 3076)
    • Creates files in the user directory

      • Sales Contract Docs A612-005-20.com (PID: 3076)
      • cscript.exe (PID: 3236)
      • RegAsm.exe (PID: 3888)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.ace | ACE compressed archive (100)
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
4
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start winrar.exe sales contract docs a612-005-20.com cscript.exe #NANOCORE regasm.exe

Process information

PID
CMD
Path
Indicators
Parent process
2948"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Sales Contract Docs A612-005-20.ace"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
3076"C:\Users\admin\AppData\Local\Temp\Rar$DIa2948.23468\Sales Contract Docs A612-005-20.com" C:\Users\admin\AppData\Local\Temp\Rar$DIa2948.23468\Sales Contract Docs A612-005-20.com
WinRAR.exe
User:
admin
Company:
The Apache Software Foundation
Integrity Level:
MEDIUM
Description:
Apache log4net for .NET Framework 4.5
Exit code:
0
Version:
2.0.8.0
Modules
Images
c:\users\admin\appdata\local\temp\rar$dia2948.23468\sales contract docs a612-005-20.com
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3236"C:\Windows\System32\cscript.exe" //B //Nologo C:\Users\admin\RegAsm.vbsC:\Windows\System32\cscript.exe
Sales Contract Docs A612-005-20.com
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft ® Console Based Script Host
Exit code:
0
Version:
5.8.7600.16385
Modules
Images
c:\windows\system32\cscript.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
3888"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
Sales Contract Docs A612-005-20.com
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\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
891
Read events
865
Write events
26
Delete events
0

Modification events

(PID) Process:(2948) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(2948) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(2948) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2948) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\Sales Contract Docs A612-005-20.ace
(PID) Process:(2948) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(2948) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(2948) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(2948) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(2948) WinRAR.exeKey:HKEY_CURRENT_USER\Software\ACE Compression Software\ActiveAce\2.0
Operation:writeName:Count
Value:
0
(PID) Process:(2948) WinRAR.exeKey:HKEY_CURRENT_USER\Software\ACE Compression Software\ActiveAce\2.0
Operation:writeName:Name
Value:
542D4B42647265644B76737A7E794B566767537663764B5B7874767B4B43727A674B44767B7264375478796365767463375378746437562126253A2727223A252739767472171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171717171700
Executable files
3
Suspicious files
1
Text files
1
Unknown types
1

Dropped files

PID
Process
Filename
Type
3076Sales Contract Docs A612-005-20.comC:\Users\admin\RegAsm.vbstext
MD5:
SHA256:
2948WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DIa2948.23468\Sales Contract Docs A612-005-20.comexecutable
MD5:
SHA256:
3076Sales Contract Docs A612-005-20.comC:\Users\admin\AppData\Roaming\App.exeexecutable
MD5:
SHA256:
3236cscript.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RegAsm.Lnklnk
MD5:
SHA256:
3888RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.datbinary
MD5:
SHA256:
3888RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exeexecutable
MD5:278EDBD499374BF73621F8C1F969D894
SHA256:C6999B9F79932C3B4F1C461A69D9DC8DC301D6A155ABC33EFE1B6E9E4A038391
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
16
DNS requests
0
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
3888
RegAsm.exe
184.75.209.172:7030
Amanah Tech Inc.
CA
suspicious
184.75.209.172:7030
Amanah Tech Inc.
CA
suspicious

DNS requests

No data

Threats

No threats detected
No debug info