File name:

Invoice-02.exe

Full analysis: https://app.any.run/tasks/b256ab28-a793-4e53-b78b-38d859b439fc
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: December 14, 2018, 21:38:07
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
nanocore
rat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

A288CE8D9F901393EA219E7A1869E6D1

SHA1:

5D009A0776101433A3FD2D28E1CC637D4584247B

SHA256:

10A61D338F8432F214AB9041FDD4D62D7E04CE2F8716EA2B8B15BFDDB2D6706F

SSDEEP:

24576:x4OHaWFA3ya15DJVlfcSjrqpAepaqqkqG3zAYCI40mTL:rTW3y+LVNxipAeYqqMzinXTL

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

      • Invoice-02.exe (PID: 2808)
    • NanoCore was detected

      • RegAsm.exe (PID: 3956)
    • Connects to CnC server

      • RegAsm.exe (PID: 3956)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Invoice-02.exe (PID: 2808)
    • Creates files in the user directory

      • RegAsm.exe (PID: 3956)
    • Connects to unusual port

      • RegAsm.exe (PID: 3956)
  • 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

.exe | Generic CIL Executable (.NET, Mono, etc.) (81)
.dll | Win32 Dynamic Link Library (generic) (7.2)
.exe | Win32 Executable (generic) (4.9)
.exe | Win16/32 Executable Delphi generic (2.2)
.exe | Generic Win/DOS Executable (2.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2018:12:14 15:42:23+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 982016
InitializedDataSize: 2560
UninitializedDataSize: -
EntryPoint: 0xf1aee
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 0.0.0.0
ProductVersionNumber: 0.0.0.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Unknown (0)
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
FileDescription: 1302434e-5e32-4dd2-a929-4493cfe1818
LegalCopyright: 8fa02be7-f47f-4922-ac65-4b2b03e12960
OriginalFileName: 0955ca4c-a6b6-405f-bf47-e08c34ef88fd.exe
FileVersion: 1.0.0.0
ProductVersion: 1.0.0.0
ProductName: 492576b9-2ad7-43cf-b353-8fca292e8620
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
31
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start invoice-02.exe #NANOCORE regasm.exe

Process information

PID
CMD
Path
Indicators
Parent process
2808"C:\Users\admin\AppData\Local\Temp\Invoice-02.exe" C:\Users\admin\AppData\Local\Temp\Invoice-02.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
1302434e-5e32-4dd2-a929-4493cfe1818
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\invoice-02.exe
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
3956"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
Invoice-02.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
4.6.1055.0 built by: NETFXREL2
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\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
33
Read events
32
Write events
1
Delete events
0

Modification events

(PID) Process:(2808) Invoice-02.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:startupname
Value:
C:\Users\admin\filename.exe
Executable files
1
Suspicious files
2
Text files
1
Unknown types
1

Dropped files

PID
Process
Filename
Type
2808Invoice-02.exeC:\Users\admin\filename.exeexecutable
MD5:
SHA256:
3956RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dattext
MD5:
SHA256:
3956RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\catalog.datbs
MD5:9E7D0351E4DF94A9B0BADCEB6A9DB963
SHA256:AAFC7B40C5FE680A2BB549C3B90AABAAC63163F74FFFC0B00277C6BBFF88B757
3956RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\storage.datbinary
MD5:2E52F446105FBF828E63CF808B721F9C
SHA256:2F7479AA2661BD259747BC89106031C11B3A3F79F12190E7F19F5DF65B7C15C8
3956RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\settings.binbinary
MD5:4E5E92E2369688041CC82EF9650EDED2
SHA256:F8098A6290118F2944B9E7C842BD014377D45844379F863B00D54515A8A64B48
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
0
Threats
108

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
3956
RegAsm.exe
66.154.98.81:65272
QuadraNet, Inc
US
malicious

DNS requests

No data

Threats

PID
Process
Class
Message
3956
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3956
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3956
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3956
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3956
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3956
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3956
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3956
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3956
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3956
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
72 ETPRO signatures available at the full report
No debug info