MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5adb192079fbc16f4631d3e5c894d9bec1ed384e7be85742c4f076760eb64a0f. 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:	5adb192079fbc16f4631d3e5c894d9bec1ed384e7be85742c4f076760eb64a0f
SHA3-384 hash:	fa83c834d3142796c52f8348f4ecfe1c11492200e3b8339f17ccbb5ddd6f379110e3c1726ca890aad0a26d92fee5e2e5
SHA1 hash:	f278ea60f65e321c32e1fd8f836e626ad8f48c46
MD5 hash:	47d81ef2d53b2c00c1928d77d5d56db8
humanhash:	mountain-lion-tennis-sixteen
File name:	Revise Order.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	436'224 bytes
First seen:	2020-05-13 10:44:31 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:3T2YOhsb67dPYaY/Y/PVIGFnnW13YUtk+5knVzJCPmBWa0tTnHFs:3i5hsb671Ya7mGFnAo6kTJsnls
Threatray	12'241 similar samples on MalwareBazaar
TLSH	9394F09C9FFA0AEFD6591AF49070173453E18F2AAA32E28F1C85B8F555B63DB4103853
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: smtp02.webhostbox.net
Sending IP: 162.210.70.2
From: Kathy Xiong <trading@smi-2001.co.id>
Subject: Fwd: ReEVISE PURCHASING ORDER
Attachment: Revise Purchasing Order001_______PDF.img (contains "Revise Order.exe")

NanoCore RAT C2:
boki.boscco.club:50789 (185.165.153.21)

Pointing to nVpn:

% Information related to '185.165.153.0 - 185.165.153.255'

% Abuse contact for '185.165.153.0 - 185.165.153.255' is 'abuse@privacy-matters.co'

inetnum: 185.165.153.0 - 185.165.153.255
netname: PRIVACY_MATTERS
remarks: This prefix belongs to a VPN service provider.
remarks: For us the privacy of our customers matters, which means we store no logs
remarks: related to any IP addresses.
remarks: Spamhaus, please note that blacklisting the clean prefixes of our hosting
remarks: partners and upstream providers is an act of coercion and will no longer
remarks: be tolerated.
remarks: Coercion is punishable by a custodial sentence or by a monetary penalty.
remarks: If you continue such practice we will not only take legal actions against
remarks: your organization, but also make such blackmailing attempts public in the
remarks: media.
country: AT
admin-c: PMVS3-RIPE
tech-c: PMVS3-RIPE
org: ORG-PMVS1-RIPE
status: ASSIGNED PA
mnt-by: PM-MNT
created: 2019-10-18T12:14:26Z
last-modified: 2019-10-18T13:31:16Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

Win.Malware.Nymeria-7168557-0

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-05-13 11:37:02 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

27 of 31 (87.10%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=llnrsidz7paw6rrr2ps4rfgzx3a62ocoppufoqwe6b3hmdvwjihq._file

Verdict:

malicious

Label(s):

nanocorerat

agenttesla

NanoCore

18b5814d6037d24c10886cf228b04746556fd81d694d1ae3dda54a944392a191

NanoCore

26d84a58245ef7c47ef69c0b8a1d378ad6c8a3d8d154d2358ed0b16230082420

NanoCore

3497f186cb8e8ee119f82a97445bb6a6d75a73d480a57c12a864fcb7e8b3b725

NanoCore

4c247b8c2dd30ae28d1bb49828ae301e3f21e39d207258aa20f9e6ae3e56cc6d

NanoCore

5d8dc0d20ebc682fdd90bbbb8eb0d57203557feca6a52a12c98816a387656315

NanoCore

927ea99a59336bb821aa9062c686d43e3022224f56c6f34338218ddc6e165cfb

NanoCore

b94b255e05a2792ad302c0c398099cbc6f6eb67212dd2c5fcafbe80a13f9b946

NanoCore

d0fc60d9720f689cf8ad3011239886d9fb2e1a35eda420291ead2c780a77a37b

NanoCore

e13fe4c80bcb450b7b811fa218cbd3ccc6a483470d07877dfa283ad4ac0d1042

NanoCore

+ 12'231 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore coreentity keylogger persistence rezer0 spyware stealer trojan

Link:

https://tria.ge/reports/201109-kh2nhwkhgs/

Behaviour

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

rezer0

CoreEntity .NET Packer

NanoCore

Malware Config

C2 Extraction:

boki.boscco.club:50789
127.0.0.1:50789

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/