MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90474a0270106b33e3208a63041d2e4d013b1d2b415bf3bf44e9a5ab685d0531. 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:	90474a0270106b33e3208a63041d2e4d013b1d2b415bf3bf44e9a5ab685d0531
SHA3-384 hash:	331a5e672aba03220dd360ed292765e4acffeaf5bca1fd096cff74eccc26c760f1fad1e386534c7071ad024068b712fe
SHA1 hash:	c3e18e24ba1251a4c15c7210f62a310dd61c38b1
MD5 hash:	bdb935e408c90adeeb11b0163962b121
humanhash:	oregon-friend-harry-ohio
File name:	PROFORMA INVOICE.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	207'360 bytes
First seen:	2020-06-02 07:43:01 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	3072:wzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIy1F+BX+4D9kNh5y/NMCGEWD:wLV6Bta6dtJmakIM5RMJSftpD
Threatray	1'405 similar samples on MalwareBazaar
TLSH	0014CF1677E84A2FE2DE86BD60225252837DC2E7A8D3F3CE18D465B64F263E506071D3
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: szvians.com
Sending IP: 37.49.230.30
From: George Nick <nick@szvians.com>
Subject: Re: PROFORMA INVOICE - 2020
Attachment: PROFORMA INVOICE.zip (contains "PROFORMA INVOICE.exe")

NanoCore RAT C2s:
donko.publicvm.com:1818 (129.205.124.5)
185.140.53.7:1818

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(s):

Win.Trojan.Nanocore-5

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Nanocore

Status:

Malicious

First seen:

2020-06-02 08:40:33 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

46 of 48 (95.83%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=sbduuatqcbvthyzarjrqihjojuatwhjlifn7hp2e5gs2w2c5auyq._file

Verdict:

malicious

Label(s):

nanocorerat

hawkeyekeylogger

emotet

NanoCore

17fa709f1a866d573f997f8f1288d537de382cccc5a4f9c1811db9da34c016b2

NanoCore

38701fe4b63d1436ba2e26cc7e268327299b58bcccbf074bfb2cbbcf57ceb2ea

NanoCore

4c4881464fd7d95cfe2d60dfd7beff8dd9c3426c15c945500db1e8714374556c

NanoCore

4cc5f468994fd62cc832482404cfc7e45232f059b9d355d3df41535a170b3470

NanoCore

5e3140ed7841e6893114a0d4d9c5ee239736449aaba20d2c8939a051e5ef21c5

NanoCore

612a1123c2ca0a0c3f077aa506b48cfbbeb815c1c026b82f7a17d6e547b1b138

NanoCore

944b633d92799fe6aeefae5de7945b6b0b69020ed669d9d7e68ebd80868771e6

NanoCore

bd23c3a3d5215798a115525fe15803ee5f4393ae77d49e081770761beecb14ea

NanoCore

be1a45ae85bb530727a5e96d3dc19eeb0542991ddb5a747b93665b4599c70ea0

NanoCore

+ 1'395 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore evasion keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/201109-3ewtavh9j2/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Drops file in Program Files directory

Adds Run key to start application

Checks whether UAC is enabled

NanoCore

Malware Config

C2 Extraction:

donko.publicvm.com:1818
185.140.53.7:1818

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/