MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10539edea332bd2b0a1c603801a445c2008a8574411803e66b7b79c4b0b8585e. 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:	10539edea332bd2b0a1c603801a445c2008a8574411803e66b7b79c4b0b8585e
SHA3-384 hash:	01639292efc47a7487d4c268635a2739cf5c3714f7e04e60def0b5926b071960ea205c2e08bd00244d6ed5f2629ddec8
SHA1 hash:	013bbe316c39deb7a183925c9362c6b93f1c5920
MD5 hash:	b072ffa2fb4a29b7bdcc7786e0a88a12
humanhash:	alpha-juliet-sink-oklahoma
File name:	VT00040520.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	491'520 bytes
First seen:	2020-05-05 08:01:28 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:hA++qC25k05CPqVkojNoE/7sC+4cFnWlkpalCCTCkmLnO/3KiaJH8IvAviFWx:GNqC2y05+2k+XP+1nJoXCa3KvOvisx
Threatray	1'240 similar samples on MalwareBazaar
TLSH	12A402A0F24DD89AE96552B5982FDD1121A3AE9ED0B1531F21D77F39AAB33430063C4F
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: rdp.scholarmi.com
Sending IP: 62.173.141.95
From: Vi.Tech Sales <sales@vigoruos-tech.com>
Subject: 回覆：RFQ Vi TEch
Attachment: VT00040520,PDF.z (contains "VT00040520.exe")

NanoCore RAT C2:
fowok.ddns.net:5656

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 :

100

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Trojan.Siggen9.44391.22544.15492.UNOFFICIAL

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-05-05 02:52:28 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

27 of 31 (87.10%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=cbjz5xvdgk6swcq4ma4adjcfyiaivbluiemahztlpn44jmfylbpa._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

2273296f635f3e62fab2910123b1cf32832e3b62344a346a8663c2a31f00a98d

NanoCore

4329ace3154dca4e544733d0f2f10abc543755dde977d9bb6998fb7368186bb8

NanoCore

4c98f097a7d17f8919c172ba7fe52b8600d8edd484ded4637dade9cbb9201c18

NanoCore

5ca99517ae76972d3dab6e51515a57e15e75e7bb7c3a7e16228f770fcc7833e9

NanoCore

682cb1c003d98478150a40e5a6eed75332e34a611749eed232e88bf6020b2c4b

NanoCore

8366973011083e5a6ddd8b602c3bfb70d6334e9a28a0113215197c97774d6b0c

NanoCore

9af6516cda835f72d8c23f643d16035d6ed101bfcad887689d3c37a1cdfac91b

NanoCore

e102edf045b60201468f4f7910e3ed9d78bcfb0a1e0955bf14faa9ebb2deab8f

NanoCore

ed1640ac6b131e600ada39bbd4453cabaea4375bd1308ff07bcf6630d6b38daa

NanoCore

+ 1'230 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/201109-b6ef95ryva/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Adds Run key to start application

Maps connected drives based on registry

NanoCore

Malware Config

C2 Extraction:

fowok.ddns.net:5656
fowok.duckdns.org:5656

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/