MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 523e47e96043b4e5ff372230e6fbdf6a56f6e8fcf95fcd94d4a976d95471e54c. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

NanoCore

Vendor detections: 5

Intelligence 5 IOCs YARA 5 File information Comments

SHA256 hash:	523e47e96043b4e5ff372230e6fbdf6a56f6e8fcf95fcd94d4a976d95471e54c
SHA3-384 hash:	e12990d6a6834d0fdb3da2b617625439dceedb4d912f07e0bbc186021e2494bd61dfa70a6a0132fe87f921897a40bebc
SHA1 hash:	ce93f7c41aab0384900c28423274bb12ea70381b
MD5 hash:	7917f4140ed56d6a34a89ba9e6b7bc85
humanhash:	pizza-king-football-hot
File name:	Quotation Request ~ RFQ#200420.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	442'368 bytes
First seen:	2020-06-02 11:44:45 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:nUNYOwDWlT9w0eM86ThuuAuzdWcfSSyCw9kzayhwvUuh+8HPy2Wv:n6lRw88uNt0cRkqayhwvUc+8vre
Threatray	1'118 similar samples on MalwareBazaar
TLSH	F9948DDDB61072EFC857D472DEA82CA4EA5578BB831B4203946705ADDA4D88BCF640F2
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: ns3.aksaakustik.com
Sending IP: 176.53.17.115
From: Export Supervisor <export@polymillion.com>
Subject: Re: New Quotation Request ~ RFQ#200420 // Lockdown Reopen
Attachment: Quotation Request _ RFQ200420.iso (contains "Quotation Request ~ RFQ#200420.exe")

NanoCore RAT C2:
onyeotit.ddns.net:1156 (185.140.53.10)

Pointing to nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@FOS-VPN.org'

inetnum: 185.140.53.0 - 185.140.53.255
netname: Freedom_Of_Speech_VPN
remarks: Before you contact us, please read:
remarks: 185.140.53.0/24 belongs to a NON-LOGGING VPN service.
remarks: We don't log any user activities.
remarks: We believe that the right to informational self-determination and the
remarks: right to privacy are essential to all citizens of all countries.
remarks: We don't host anything else on our servers than VPN software and our
remarks: customers can open a fixed number of Ports.
remarks: Like Public WiFi or Tor Exit Node Operators we cannot be held responsible
remarks: for the actions of our customers, because we simply can't (and to be
remarks: honest: don't want) to control them.
country: EU
org: ORG-SL751-RIPE
admin-c: SL12644-RIPE
tech-c: SL12644-RIPE
status: ASSIGNED PA
mnt-by: FOS-VPN-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-04-06T18:59:49Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Genkryptik

Status:

Malicious

First seen:

2020-06-02 12:37:08 UTC

File Type:

PE (.Net Exe)

AV detection:

21 of 48 (43.75%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ki7ep2laio2ol7zxeiyon667njlpn2h47fp43fguvf3nsvdr4vga._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

39dc3a88f6948d7740c6260cdabb5affccf9bcf4da744c4cc44cf674950c7c49

NanoCore

408b676c05cde3623e9271d39c20ec19aaa9ad9882db0f08451442379409be99

NanoCore

41f79628a7ff72d611f593286f5b70a51c72f8359e6600535b1b3e9772fd7c0c

NanoCore

4d8f4f460acbe2df239467474b11f18b6f2927537227a5110a6780f44ed79f5f

NanoCore

525ad168dd1152a5dd477791b01b3d6edf0ddf296b72ef04b96a79f1e2a1e499

NanoCore

81ce98988c6bc711bb7e96cb59366594d75a19766339cd87b77a0192f0639809

NanoCore

af7b5b39405065f105a0bf0f53578061adcd58a5861bb38827dd0f62df4f57ed

NanoCore

b59de3e185784023c3bfa211f874ab50b74083e6d0a83174a8c42d74099429a4

NanoCore

c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927

NanoCore

+ 1'108 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore evasion keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/201109-6djkr446xs/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Drops file in Program Files directory

Suspicious use of SetThreadContext

Adds Run key to start application

Checks whether UAC is enabled

NanoCore

Malware Config

C2 Extraction:

onyeotit.ddns.net:1156
185.165.153.33:1156

Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	ach_NanoCore Create hunting rule
Author:	abuse.ch

Rule name:	Nanocore Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Nanocore in memory
Reference:	internal research

Rule name:	Nanocore_RAT_Feb18_1 Create hunting rule
Author:	Florian Roth
Description:	Detects Nanocore RAT
Reference:	Internal Research - T2T

Rule name:	Nanocore_RAT_Gen_2 Create hunting rule
Author:	Florian Roth
Description:	Detetcs the Nanocore RAT
Reference:	https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/