MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d66ce66bb900bd338b0a0007b4fd3476b4791f54bb03b753d6e8883284e6357. 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: 6

Intelligence 6 IOCs YARA 5 File information Comments

SHA256 hash:	3d66ce66bb900bd338b0a0007b4fd3476b4791f54bb03b753d6e8883284e6357
SHA3-384 hash:	7cdf23ed1e38a7c7947636da27f9bab8cbd9bc66ae01d6d9c7b5fc1bfa8e1b9854b672dcb0cdef3e82ab8341b47a1882
SHA1 hash:	c3553302e363310fd71b9398f2c46016efd7db44
MD5 hash:	c41c98d4f3ed284b7dad195594dc1633
humanhash:	ack-mexico-yellow-artist
File name:	JBnJMbTtyHcdAAZ.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	332'288 bytes
First seen:	2020-06-11 06:26:10 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:P+BvqDOoJBt8g0TijxkmYFW49vWDLGYVDTiDu76BHO8Z0Y5n1fcd7:ciDOozyUp6WBDLVDTT6kw0Y51fcd
Threatray	1'189 similar samples on MalwareBazaar
TLSH	8E64128DA6E8CF55DEBD0B7D502216C153B9F822B583F75E5DE830ED0A2335882907A7
Reporter	abuse_ch
Tags:	CHN exe geo NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: vps.busonard.com
Sending IP: 45.95.169.17
From: China Development Bank <info@busonard.com>
Subject: Re: 转账明细
Attachment: file.r11 (contains "JBnJMbTtyHcdAAZ.exe")

NanoCore RAT C2:
185.140.53.11:6532

Hosted on 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

Detection:

NanoCore

Link:

https://www.capesandbox.com/analysis/8930/

Detection(s):

SecuriteInfo.com.Trojan.Inject3.42048.23576.24198.UNOFFICIAL

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-06-11 06:28:08 UTC

AV detection:

24 of 31 (77.42%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=hvtm4zv3saf5gofquaahwt6ti5vupepvjoydw5j5n2eigkcomnlq._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

1d4b91dc88ea2559572438fe3b57c6449bb5e0a66c9f3f9e90a22393caf5d30c

NanoCore

5205f5e4d159f32f819aac8c870fffb7612b13c0a0d12236730743b9239251df

NanoCore

846d2bcdab1a1342fdfcf0636d1ead7b9411d1212331ca95fb568f56ecb7842d

NanoCore

9100a66246aa52a3839f411bcf8763f423abd9ae1ac664ea0435d23bc0e6f03f

NanoCore

9cacb5c20d8617cc4d21dd39eca22349b94ae4bb9e4baf544fc25584cf0288de

NanoCore

b186287c6298b4ca285cb9da1e82ffd351c4195f7673d93aa595aa987cb01676

NanoCore

bcbc247fa3511376777587035868c9a0f8fda850fa5f7d84c81fa5de905bc0d6

NanoCore

c166a4a1899462e20516825c87f9545cdc7b24654d1f18b864da4ee641af5ace

NanoCore

d7143a0fe03e7294be0319e92f0a78bcbe8a0e97a4a2437e5227304e0fe37d29

NanoCore

+ 1'179 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore keylogger spyware stealer trojan

Link:

https://tria.ge/reports/201109-ybz4xj7alj/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

NanoCore

Malware Config

C2 Extraction:

185.140.53.11:6532
127.0.0.1:6532

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/