MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfbb3994c6e4d6ae2d30921757d039e004d1f5274c314765e641bf111bc0dec7. 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: 8

Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash:	bfbb3994c6e4d6ae2d30921757d039e004d1f5274c314765e641bf111bc0dec7
SHA3-384 hash:	5be115d77f87773c8c3755f75aea5ed41e0b238e6ec727cf0d87a8d6fdf18ef16b28d68c8ddac88bfe539008bcbdc4d1
SHA1 hash:	8ae425001b9bc2c29201a4d9e31a63d11e85f3b1
MD5 hash:	afd14de232371717b96865c8447ae630
humanhash:	whiskey-single-hamper-snake
File name:	DMX_Asia_Pte,pdf.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	446'464 bytes
First seen:	2020-07-10 06:50:20 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	6144:izYMD6fe3ySHoq1l4XK2KeGmlQBXrzeSqd+GHyZfNz2g2dUuTB0GOmloAkdLtHIi:i8MD6fep71l81QN8d+VNGdX05mlVkP
Threatray	1'180 similar samples on MalwareBazaar
TLSH	AC949CD03160524FD4ABB6F0FD0DCC2022A23DEF83A1D309AB93BD9F9497752495A667
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: cpanel2.roimaxserver.com
Sending IP: 93.174.124.211
From: Lily Chang <sales@nitto.com.sg>
Subject: Offer Request
Attachment: DMX_Asia_Pte,pdf.zip (contains "DMX_Asia_Pte,pdf.exe")

NanoCore RAT C2:
billionaire.ddns.net:3734 (79.134.225.122)

Pointing to nVpn:

% Information related to '79.134.225.64 - 79.134.225.127'

% Abuse contact for '79.134.225.64 - 79.134.225.127' is 'abuse@your-vpn.network'

inetnum: 79.134.225.64 - 79.134.225.127
netname: YOUR_VPN_NETWORK
country: DE
remarks: ****************************************************
remarks: This subnet belongs to a VPN service provider.
remarks: We protect the right to privacy, which means
remarks: we don't log the activities of our users.
remarks: ****************************************************
admin-c: EH4074-RIPE
tech-c: YVN10-RIPE
status: ASSIGNED PA
abuse-c: YVN10-RIPE
org: ORG-YVN1-RIPE
mnt-by: AF15-MNT
created: 2019-07-19T18:26:38Z
last-modified: 2019-07-19T18:51:28Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

102

Origin country :

n/a

Vendor Threat Intelligence

Detection:

NanoCore

Link:

https://www.capesandbox.com/analysis/24213/

Detection(s):

SecuriteInfo.com.Generic.mg.afd14de232371717.28746.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Forced shutdown of a system process

Enabling autorun with Startup directory

Detection:

nanocore

Link:

https://mwdb.cert.pl/sample/bfbb3994c6e4d6ae2d30921757d039e004d1f5274c314765e641bf111bc0dec7/

Threat name:

ByteCode-MSIL.Backdoor.NanoCore

Status:

Malicious

First seen:

2020-07-10 05:47:15 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=x65ttfgg4tlk4ljqsilvpubz4acnd5jhjqyuozpgig7rcg6a33dq._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

0bfd3da17d4be33712b7b66d918fa6d911d31529cb24c9c81c042e3f65c1de2f

NanoCore

11e8dbf88b15aa6f09d5f7d9fffd3f333ec9a84b6bb9b9bb8c69dad6f5890603

NanoCore

24bbbef09b9e58d6da0fe8ae7dbfbc093dc5287cb26dc98e948684a1fc442642

NanoCore

2f0bab188c5eb456ce6af0e1f9b395ff94dca39d47fa4a61c021a53e1be39a7c

NanoCore

56a37f303bc905ace197941dcc0519f3880baffe10c6d3ecfc80bbff1aae9059

NanoCore

6cef6b24f9c34ef5503ed6ba52ded7847882e7599bd39954ff9d3409042eeb74

NanoCore

b14306aa1789a4d6b9bfa4f8c9392033ef0fc70e584addad632135f7f832dec1

NanoCore

e34ce3660cbabe945aadb571016cbd7e73ca4a7baa6e9cd64a3615b6474ccdc8

NanoCore

f19e8ff99a9037ceaf1e4bb1c3ea78529c755fc6dd0be5f26fd8b7d1269d712b

NanoCore

+ 1'170 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

evasion trojan keylogger stealer spyware family:nanocore

Link:

https://tria.ge/reports/200710-zpkypa6zrn/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Creates scheduled task(s)

Suspicious use of SetThreadContext

Checks whether UAC is enabled

NanoCore

Malware Config

C2 Extraction:

billionaire.ddns.net:3734

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/