MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd319dbcfcafada38eeb43f81d7f46d3b9067e4dacf535667a12ed992691faea. 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:	fd319dbcfcafada38eeb43f81d7f46d3b9067e4dacf535667a12ed992691faea
SHA3-384 hash:	097e93e0ed86036cf599a9ac12dce363189cb50eace05d4cdccd0b6d698b9fa601e2c871b5f158a08557fb4c5f5c7e8f
SHA1 hash:	9afea6cd42317fc15631c4930ba70f5561de0061
MD5 hash:	583dccf7e7b91fdb4e836e7a8ddb6f2b
humanhash:	pizza-cold-massachusetts-robin
File name:	reciept,pdf.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	443'904 bytes
First seen:	2020-05-21 09:09:05 UTC
Last seen:	2020-05-22 07:26:14 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:ZZd0O4vuzUp+gwGYk+9RF6YB82vddRoOn:Zzb4vkUQg7T+vF6i82TiO
Threatray	1'203 similar samples on MalwareBazaar
TLSH	8D94122037FCAB04F9B94BF02635A550637A7A1F697AD60C2E4671CE6D33B42C542B63
Reporter	abuse_ch
Tags:	exe FedEx GRC NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: kundi.capitaly.hu
Sending IP: 95.140.42.185
From: FedEx Express <notices@fedex.com>
Subject: Το δέμα σας έφτασε στο γραφείο μας (δέμα από τον κ. Γιώργο).
Attachment: reciept,pdf.iso (contains "reciept,pdf.exe")

NanoCore RAT C2:
megida123.ddns.net:9900 (91.193.75.15)

Pointing to nVpn:

% Information related to '91.193.75.0 - 91.193.75.255'

% Abuse contact for '91.193.75.0 - 91.193.75.255' is 'abuse@kgb-vpn.org'

inetnum: 91.193.75.0 - 91.193.75.255
netname: NON-LOGGING-VPN-SERVICE
descr: Please note that we don't store any user data.
descr: Our main effort is not to make money, but to preserve values like the
descr: freedom of expression, the freedom of press, the right to data protection
descr: and informational self-determination.
descr: We ask all employees of Spamhaus and all self-proclaimed deputy sheriffs
descr: to stop your attacks against us.
country: EU
admin-c: KA7109-RIPE
tech-c: KA7109-RIPE
org: ORG-KHd1-RIPE
status: ASSIGNED PI
mnt-by: RIPE-NCC-END-MNT
mnt-by: KGB-MNT
mnt-routes: KGB-MNT
sponsoring-org: ORG-MW1-RIPE
created: 2012-06-04T11:05:55Z
last-modified: 2019-12-05T05:39:00Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Trojan.PWS.Siggen2.49161.21468.16201.UNOFFICIAL

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Wacatac

Status:

Malicious

First seen:

2020-05-21 09:36:47 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 31 (64.52%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=7uyz3ph4v6w2hdxlip4b272g2o4qm7snvt2tkzt2clwzsjur7lva._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

26f45dc6e383ee31df6aabe8a5b4ecc625b76631f2a377803622a2990f3a8408

NanoCore

305eb08e59ef7e93a40e6eb8edf0c4a336ff54bfc07cac69d1744c949f53757e

NanoCore

313519528c86c1ebd08c03ccc3a9640dcf4861c08313c89004113ee802568003

NanoCore

4192b46f43ae6f482490aa98fbd0690ff4974c677463c73a4230eaa70106b791

NanoCore

7edb0b86650ff76c5b00c25c9f642bc4e163a946fe34efab15c0ea3cfee10c60

NanoCore

ac20916801d8b41ef785bad7a655b6ce68a08f2d9215fcd435effadacaeae1bc

NanoCore

adb1948d6b4d965ee35ea8107b1128a9075d3548b61a72cfb35d0893d1f4ffaf

NanoCore

b4aa35cb89fb4ee9c316d487f9b2964b6dd38144160e61a4141dbe28d44196b1

NanoCore

e843cd8a1f16a71c363c7b4f880c51c37b8e40404f4b09f49bf73f18fd357e52

NanoCore

+ 1'193 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/201109-5me83ar23x/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Drops file in Program Files directory

Suspicious use of SetThreadContext

Adds Run key to start application

Maps connected drives based on registry

Checks BIOS information in registry

Looks for VMWare Tools registry key

Looks for VirtualBox Guest Additions in registry

NanoCore

Malware Config

C2 Extraction:

megida123.ddns.net:9900

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/