MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98cfc2f76ee8cefd9aa0b9be4c317800223f93ffb6e63577e8a9466693585515. 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:	98cfc2f76ee8cefd9aa0b9be4c317800223f93ffb6e63577e8a9466693585515
SHA3-384 hash:	483b226218ef19e60695c3483fece1c6c4e29a4578d3828410ac3cd9c0349cd75dd4920652b7128516d19f072b9951d4
SHA1 hash:	8d350cf0f4d710dd7e9225cf104bb430c07fb0ca
MD5 hash:	b940381f5bd10911f82f9b09917ae6de
humanhash:	sweet-east-india-vegan
File name:	PO#7442,pdf.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	430'592 bytes
First seen:	2020-06-10 09:56:50 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	12288:WRYbh5D/fmCiQJwRvtuI0razwaSkHg+CiH:xV5D/DLwRvDqaC
Threatray	9'388 similar samples on MalwareBazaar
TLSH	77949D8D7654B2DFC86BCD7689A81C24AB6074B7631BD247A44312ED9A0DBD7CF102E3
Reporter	abuse_ch
Tags:	CHN exe geo NanoCore RAT.nVpn

abuse_ch

Malspam distributing NanoCore:

HELO: s6.paukhost.com
Sending IP: 88.99.110.27
From: Chen Joseph <sales@hygroup.com.tw>
Subject: 采购订单＃7442
Attachment: PO7442,pdf.iso (contains "PO#7442,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 :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Threat name:

ByteCode-MSIL.Backdoor.NanoCore

Status:

Malicious

First seen:

2020-06-10 09:58:09 UTC

AV detection:

22 of 28 (78.57%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=tdh4f53o5dhp3gvaxg7eymlyaard7e77w3tdk57ivfdgne2ykukq._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

17481cdb2d9566e16b46d94992aaf665bc2414c67777b27ad8714904b46fb341

NanoCore

4291277336e3c27f2cc05278635f7724fa2ff4af06a547ca5a04ac91c3d71fa0

NanoCore

53006066e227644c4004569894469b03cf75c1b88c9adc903437cad16508e1f9

NanoCore

6cd7b1c8e3b06ac38919582b023c8204f07277d17b612a98ddb0cc574e2aa991

NanoCore

6ce920a9bc60cc2388297a52758765c835b0ee670b42e5b965ae0731efcf24ec

NanoCore

953b28fd61cb8eb78e1fca699aead009a12bb5a0a6a8d42b0447cbe2bf828143

NanoCore

a6fa24e0210cf4e792b983adf65416871b6a4792fbd5ba3ccaf15484159c776b

NanoCore

a9e29436ef50f76f0d8c46e62205491e8acbea0e22f38fcbd5d38719264897d1

NanoCore

d91e63352fd7d6d2d9f0f547cead82dff81cf5586540d65429a7b9e1fa13a15f

NanoCore

+ 9'378 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore keylogger spyware stealer trojan

Link:

https://tria.ge/reports/201109-456a3cydsx/

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:

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/