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NanoCore.exe

Full analysis: https://app.any.run/tasks/c847addd-6fef-466a-9efb-3f63f3d7fdf1
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: November 08, 2018, 17:29:14
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
nanocore
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

5091E1D0CB0FFCD67C680DC6E1B32A32

SHA1:

4B5C621D8990CBF86A7356A80EDF5DC3B6747DC4

SHA256:

B12CD1D0B10C562FF5A7D08F7DBDFCBA4B57958DFA7BE54A7AE92C74B837FA2B

SSDEEP:

3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIbIPAGTwjgaxODOeSQcY/UShKQ:MLV6Bta6dtJmakIM5Br8PxtPY/1KZq

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

    • NanoCore was detected

      • NanoCore.exe (PID: 3792)
    • Changes the autorun value in the registry

      • NanoCore.exe (PID: 3792)
  • SUSPICIOUS

    • Creates files in the user directory

      • NanoCore.exe (PID: 3792)
    • Connects to unusual port

      • NanoCore.exe (PID: 3792)
    • Executable content was dropped or overwritten

      • NanoCore.exe (PID: 3792)
  • 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.) (63.1)
.exe | Win64 Executable (generic) (23.8)
.dll | Win32 Dynamic Link Library (generic) (5.6)
.exe | Win32 Executable (generic) (3.8)
.exe | Generic Win/DOS Executable (1.7)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x1e792
UninitializedDataSize: -
InitializedDataSize: 90624
CodeSize: 116736
LinkerVersion: 6
PEType: PE32
TimeStamp: 2015:02:22 01:49:37+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 22-Feb-2015 00:49:37

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 22-Feb-2015 00:49:37
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x0001C798
0x0001C800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.59805
.reloc
0x00020000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191
.rsrc
0x00022000
0x00015FC0
0x00016000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.99782

Resources

Title
Entropy
Size
Codepage
Language
Type
1
7.99798
89960
Latin 1 / Western European
UNKNOWN
RT_RCDATA

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
31
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #NANOCORE nanocore.exe

Process information

PID
CMD
Path
Indicators
Parent process
3792"C:\Users\admin\AppData\Local\Temp\NanoCore.exe" C:\Users\admin\AppData\Local\Temp\NanoCore.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Total events
15
Read events
14
Write events
1
Delete events
0

Modification events

(PID) Process:(3792) NanoCore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:TCP Monitor
Value:
C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3792NanoCore.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exeexecutable
MD5:5091E1D0CB0FFCD67C680DC6E1B32A32
SHA256:B12CD1D0B10C562FF5A7D08F7DBDFCBA4B57958DFA7BE54A7AE92C74B837FA2B
3792NanoCore.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dattext
MD5:F7C9EBB5C98DFC6009E16E96FE205D1D
SHA256:97D7B58BCE8735AD856E6620364297761BAE03DAF87A364E7C4C27E81D6E72DA
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
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
3792
NanoCore.exe
81.110.242.142:1334
Virgin Media Limited
GB
suspicious

DNS requests

No data

Threats

No threats detected
No debug info