MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c88f2cd1de8f581a1038ef31f8aa401202e34906e8232bc62604b3af4afc2da5. 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:	c88f2cd1de8f581a1038ef31f8aa401202e34906e8232bc62604b3af4afc2da5
SHA3-384 hash:	d7d2aaa10ba5d3bc94235e72e116c76931761e7e15e982bffa5e89ecb0ef5a2eaab4f8dbfd48ab41800aa6753556f255
SHA1 hash:	69047ed75fee84a22b1b058ddfd0f8f7486cb188
MD5 hash:	bd38c2e2d8231a410564eaaa008a39dc
humanhash:	oven-winner-mexico-ack
File name:	Previous Balance.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	1'380'864 bytes
First seen:	2020-05-14 09:00:34 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep	24576:mtb20pkaCqT5TBWgNQ7aW1Sj8jDZiWDrQM5ucienTA9V6A:TVg5tQ7aW+MVHrQMcciAu5
Threatray	1'911 similar samples on MalwareBazaar
TLSH	FE55D02373DDC361C3725273BA25B711BEBB782506A1F96B2FD4093DE920122561EA73
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: smtp.zsuite.io
Sending IP: 69.16.192.208
From: smtpf0x@instantofflinepresence.com
Subject: Re: Re: Previous Balance
Attachment: Previous Balance.rar (contains "Previous Balance.exe")

NanoCore RAT C2:
smtp.desmaindian.com:2008 (185.140.53.130)

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):

Sanesecurity.Malware.27686.AidExe.UNOFFICIAL

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL

Gathering data

Threat name:

Win32.Trojan.Injector

Status:

Malicious

First seen:

2020-05-14 09:35:38 UTC

File Type:

PE (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=zchszuo6r5mbueby54y7rksacibogsig5arsxrrgasz26sx4fwsq._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

03eacd008568d29ca8c5a4b9735f7fb6d2b2e5b7a1726f7ed316380e7b9f3e5c

NanoCore

17fa709f1a866d573f997f8f1288d537de382cccc5a4f9c1811db9da34c016b2

NanoCore

1c2fafc2031b76ab4caf3f91474f023321703a820209da4591192b6ca7cd09d2

NanoCore

582ec0985f0066dab40c455d1f8e6c414d9d5d0c156f673c6327efb901d97542

NanoCore

7170afaea1dbb708d92f335dbcbf2677704d6abb91cb6d3f08cca0ed470d3dac

NanoCore

73db44bf103e307704faafe310253e8b810593856abf4e92295f68f47532742c

NanoCore

8275f526465d7b9d806b1be78d895d7f499044b456be1aec36b8cac8188890ac

NanoCore

944b633d92799fe6aeefae5de7945b6b0b69020ed669d9d7e68ebd80868771e6

NanoCore

a73359e756c28a176925f85e7aa0326213bbf54c5fea0dac86215341fa258cc6

NanoCore

+ 1'901 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/201109-r8z9t7gr1a/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Program crash

Drops file in Program Files directory

Suspicious use of SetThreadContext

Adds Run key to start application

Drops startup file

NanoCore

Malware Config

C2 Extraction:

hachiko2.webredirect.org:2008

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/