MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a94d174668553fbeb3c27e3194f9cef33d0d24ca56891658911bfdd7451ae9f8. 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:	a94d174668553fbeb3c27e3194f9cef33d0d24ca56891658911bfdd7451ae9f8
SHA3-384 hash:	9b6a4792ca6598c360da432d07af72c27f7df6732898d73f213bd67568676e798b4f63300ca81d034616d12876e26d46
SHA1 hash:	8f4e9008be3b4332d21eff90965c8abf7f82a088
MD5 hash:	2c51d508e952e74dff3622fce3067988
humanhash:	arkansas-jupiter-freddie-video
File name:	UNPAID BILLING INVOICE APRIL 2020.PDF.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	1'195'128 bytes
First seen:	2020-06-11 05:43:47 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep	24576:bNA3R5drX9jdfCmYthZFSgEMPGx1hm5ubx7s3oFQYcEn7F:G59J6mqrFSgzfYbxIo6o
Threatray	1'298 similar samples on MalwareBazaar
TLSH	92451242FAC384B2E8721D33063A7F25697E78204F69DA3E73D4492899721D39735B63
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: gmmgroupasia.wsiph2.com
Sending IP: 173.230.147.68
From: Account <account1@dimensionallgroup.com>
Subject: Fwd: BILLING INVOICE MAY 2020
Attachment: UNPAID BILLING INVOICE APRIL 2020.LZH (contains "UNPAID BILLING INVOICE APRIL 2020.PDF.exe")

NanoCore RAT C2:
aashkanani22.casacam.net:54985 (79.134.225.73)

Pointing to nVpn:

% Information related to '79.134.225.64 - 79.134.225.127'

% Abuse contact for '79.134.225.64 - 79.134.225.127' is 'abuse@your-vpn.network'

inetnum: 79.134.225.64 - 79.134.225.127
netname: YOUR_VPN_NETWORK
country: DE
remarks: ****************************************************
remarks: This subnet belongs to a VPN service provider.
remarks: We protect the right to privacy, which means
remarks: we don't log the activities of our users.
remarks: ****************************************************
admin-c: EH4074-RIPE
tech-c: YVN10-RIPE
status: ASSIGNED PA
abuse-c: YVN10-RIPE
org: ORG-YVN1-RIPE
mnt-by: AF15-MNT
created: 2019-07-19T18:26:38Z
last-modified: 2019-07-19T18:51:28Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

NanoCore

Link:

https://www.capesandbox.com/analysis/8857/

Detection(s):

SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL

Gathering data

Threat name:

Win32.Trojan.Predator

Status:

Malicious

First seen:

2020-06-11 04:20:07 UTC

AV detection:

25 of 31 (80.65%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vfgrortiku735m6cpyyzj6oo6m6q2jgkk2ermwerdp65ori25h4a._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

0dea8bae5ab19f84a596f05732d91b60a1fa93cae6dfbbc1166d127c3e2834a0

NanoCore

0eb41e962d7be24fe14670c0bda3283dd6db00bbe813d1d93da23c125af8e4dc

NanoCore

20c92a8fbd7ef9b25f61e93b0bb0c31f95040185aab9965141fbde99c47ea46d

NanoCore

251c55b7c7c02eec9a87eca94bb01f653317ef5d8278aeb2b511194d7057a675

NanoCore

38701fe4b63d1436ba2e26cc7e268327299b58bcccbf074bfb2cbbcf57ceb2ea

NanoCore

c67fe1304d6455bcae5c07b3f7fece584628b05d286b68da6e85275f7695b2aa

NanoCore

cd8770808daf4f97a339438001f0ac7dab0853feb07134e6f7bb2fc3db9581c0

NanoCore

d35f40a630b2e4b24ec76c354e1e66d927afe339aaba45ff3c750ed52193c910

NanoCore

e7fa1cf008969a70a894b2947737b69c26abb63378d9d4305b698b223793029f

NanoCore

+ 1'288 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-e73ka4wv5s/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Adds Run key to start application

Checks whether UAC is enabled

Loads dropped DLL

Executes dropped EXE

NanoCore

Malware Config

C2 Extraction:

aashkanani22.casacam.net:54985
aashkanani22.ddns.net:54985

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/