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File name:

NanoCoreClient.exe

Full analysis: https://app.any.run/tasks/a86078b6-446e-4e07-8569-d50032e60fe2
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: August 08, 2020, 19:56:22
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:

7003A29DCEA194BECE63C003F708C286

SHA1:

07473313DF74AF9D3E3E6C03955FF87F64B903B4

SHA256:

673786339832E6088569525658B9A09F6E69BB30052851AA365A01850D686EA5

SSDEEP:

6144:ELV6Bta6dtJmakIM5SBGVW+qZgB6TX7PihC2hA:ELV6BtpmkRkf+z74LhA

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

    • Loads the Task Scheduler COM API

      • explorer.exe (PID: 3472)
    • NANOCORE was detected

      • NanoCoreClient.exe (PID: 2700)
    • Connects to CnC server

      • NanoCoreClient.exe (PID: 2700)
  • SUSPICIOUS

    • Creates files in the user directory

      • NanoCoreClient.exe (PID: 2700)
  • 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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2015:02:22 01:49:37+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 116736
InitializedDataSize: 97280
UninitializedDataSize: -
EntryPoint: 0x1e792
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

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
6.59811
.reloc
0x00020000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191
.rsrc
0x00022000
0x00017848
0x00017A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.99719

Resources

Title
Entropy
Size
Codepage
Language
Type
1
7.99785
96240
Latin 1 / Western European
UNKNOWN
RT_RCDATA

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
3
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #NANOCORE nanocoreclient.exe explorer.exe no specs explorer.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2700"C:\Users\admin\AppData\Local\Temp\NanoCoreClient.exe" C:\Users\admin\AppData\Local\Temp\NanoCoreClient.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
3472"C:\Windows\explorer.exe" C:\Windows\explorer.exeNanoCoreClient.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
1356"C:\Windows\explorer.exe" C:\Windows\explorer.exeNanoCoreClient.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
1 758
Read events
1 644
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
4
Text files
1
Unknown types
1

Dropped files

PID
Process
Filename
Type
2700NanoCoreClient.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\settings.bak
MD5:
SHA256:
2700NanoCoreClient.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dattext
MD5:601101F4BB9165BE0E62907AAAEF4FE4
SHA256:7813FFE19D6CCC359D948828D38EB7B758B9DDE97DBE4E6354D8AB67C734744C
2700NanoCoreClient.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\storage.datbinary
MD5:7F0642B40D7F2EE4CF9D08601762F280
SHA256:E6A52CF6101CD8A5B0B276BA0507AB1FA3203267B842C4534F28F37ADA40C02A
2700NanoCoreClient.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\catalog.datbs
MD5:061E700FE27D852034A5A44BF5985CCF
SHA256:4BBB88AF530693EB4A710B0591D4BAF585837242C5690F5A821BF2FC9CC587CD
2700NanoCoreClient.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\settings.binbinary
MD5:AE0F5E6CE7122AF264EC533C6B15A27B
SHA256:73B0B92179C61C26589B47E9732CE418B07EDEE3860EE5A2A5FB06F3B8AA9B26
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
1
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
2700
NanoCoreClient.exe
8.8.8.8:53
Google Inc.
US
whitelisted
2700
NanoCoreClient.exe
86.155.101.166:54984
windowsupdate44.ddns.net
British Telecommunications PLC
GB
malicious

DNS requests

Domain
IP
Reputation
windowsupdate44.ddns.net
  • 86.155.101.166
malicious

Threats

PID
Process
Class
Message
2700
NanoCoreClient.exe
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.ddns .net
2700
NanoCoreClient.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
2700
NanoCoreClient.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
2700
NanoCoreClient.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
2700
NanoCoreClient.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
2700
NanoCoreClient.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
2700
NanoCoreClient.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
2700
NanoCoreClient.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
2700
NanoCoreClient.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
2700
NanoCoreClient.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
26 ETPRO signatures available at the full report
No debug info