MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ebf3f5dcc1e490b1c671aee03cf66d8ac200303a0615bafecabb5a55819eb0c7. 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:	ebf3f5dcc1e490b1c671aee03cf66d8ac200303a0615bafecabb5a55819eb0c7
SHA3-384 hash:	29bc2b087ad24f94e06f66c8fce990b15026f8ee447c8cb42e3ff22bdd459c07875206d67fc9bf4d351b347061dcabc1
SHA1 hash:	233f73f424d2019128538b3650eeb1ba36525732
MD5 hash:	dd6344d938dc89db0608b2822068040f
humanhash:	double-steak-november-black
File name:	NOVA ARCHANTIQUITIES Official purchase order (PO.4029530).exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	349'696 bytes
First seen:	2020-06-16 12:17:47 UTC
Last seen:	2020-06-17 09:20:53 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	6144:P6gcRlK4sWEgrTbp3lH2606qMMhoi01jFDtyYq66AMRThbvfp:P6gf4drLW//h90ZNqYSvf
Threatray	1'324 similar samples on MalwareBazaar
TLSH	3874021EA3AC5316DA2C9A3EC0E4611403F8B5D73603E3AE5EC131BF6C577E85A12967
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: archantiquities.com
Sending IP: 37.49.224.4
From: sales@archantiquities.com
Subject: NOVA ARCHANTIQUITIES Official purchase order (PO.4029530)
Attachment: NOVA ARCHANTIQUITIES Official purchase order PO.4029530.zip (contains "NOVA ARCHANTIQUITIES Official purchase order (PO.4029530).exe")

NanoCore RAT C2:
adikaremix.linkpc.net:1790 (185.140.53.13)

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

Detection:

NanoCore

Link:

https://www.capesandbox.com/analysis/10973/

Detection(s):

SecuriteInfo.com.Generic.mg.4a806c6ffed2bc93.30002.UNOFFICIAL

Gathering data

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-06-16 12:19:04 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 31 (80.65%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=5pz7lxgb4sildrtrv3qdz5tnrlbaamb2ayk3v7wkxnnflam6wddq._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

1f04a1a7e352faec6be52c5b658638190ecdeb2d2607429dbabd66e51f77b5d1

NanoCore

2356e77d844e1010d16dbaac36209101a64dc00c86c882db3cde67e76847f48a

NanoCore

460687f7fdeb935f48f80949149c20e31b176ae6db9ab4b7398b0fbd0412920e

NanoCore

97553c2488962a2876a76f8c0cf8fc80b061c13663e0591879d2436086d6f24e

NanoCore

9b136625d2ae281fae9b86400201c255b792297074dd95d7b6b82dd9859b4c23

NanoCore

c5a1d6b31939889449145064a70589e2e5af40bf21d28689f607bed0ec402c36

NanoCore

de931e02ce90c509d5dcf1c3d53352809a909410c00796bdfa9f10514a37a627

NanoCore

fe21690380ae30bff765eac12a3eb95f553d9b726a4018b20e5aa791c7a70617

NanoCore

fe9732838a0e6bcbf67213e7fd8bd7ca5e9b35a27041c50b74ca26bb08133fbd

NanoCore

+ 1'314 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

evasion trojan keylogger stealer spyware family:nanocore persistence

Link:

https://tria.ge/reports/200624-cynmycjwp6/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: GetForegroundWindowSpam

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Drops file in Program Files directory

Suspicious use of SetThreadContext

Checks whether UAC is enabled

Adds Run entry to start application

NanoCore

Malware Config

C2 Extraction:

adikaremix.linkpc.net:1790
185.140.53.13:1790

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/