MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7caf2e20a5d049ccf8aa3935fd8517e77d5e7e7e0322ceca894b9baad970aca2. 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:	7caf2e20a5d049ccf8aa3935fd8517e77d5e7e7e0322ceca894b9baad970aca2
SHA3-384 hash:	4e4d1f7cd343b770e1bf231310c9a156530477329058c2214520c490fdf6cdbf07f03032bdbf12098c4cc5aa35532502
SHA1 hash:	742922e79a62e9af64a617aa32d172edd98e22ba
MD5 hash:	96d09e47557b81cf64f3311326a37638
humanhash:	crazy-summer-apart-glucose
File name:	POEA ADVISORY NO. 61- 2020.PDF.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	1'216'622 bytes
First seen:	2020-06-08 05:58:58 UTC
Last seen:	2020-06-10 11:43:50 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep	24576:bNA3R5drX9jdoJd+FtS2Rf/8jsqq9+0nHlJpxExjseYn8S9KRb:G59JoG/tejw7Moe485p
Threatray	1'299 similar samples on MalwareBazaar
TLSH	42451243FAC788B1E8731836093A6F55A57E75201F29DA3E73D00929D9B11839336FA3
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: dedicated73.tchmachines.com
Sending IP: 208.76.83.32
From: Philippine Overseas Employment Administration <info1@poea.gov.ph>
Subject: POEA MEMORANDUM NO. 60-2020.SECOND REMINDER....
Attachment: POEA ADVISORY NO. 61- 2020.lzh (contains "POEA ADVISORY NO. 61- 2020.PDF.exe")

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

SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL

Gathering data

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2020-06-08 05:02:39 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 28 (75.00%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=psxs4iff2be4z6fkhe273bix456v47t6amrm5sujjon2vwlqvsra._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

0dea8bae5ab19f84a596f05732d91b60a1fa93cae6dfbbc1166d127c3e2834a0

NanoCore

20c92a8fbd7ef9b25f61e93b0bb0c31f95040185aab9965141fbde99c47ea46d

NanoCore

251c55b7c7c02eec9a87eca94bb01f653317ef5d8278aeb2b511194d7057a675

NanoCore

38701fe4b63d1436ba2e26cc7e268327299b58bcccbf074bfb2cbbcf57ceb2ea

NanoCore

c584bd401bfecf5f40656ed9af67d2b136413d4d5180aa8b065b375ea6a8eab0

NanoCore

c67fe1304d6455bcae5c07b3f7fece584628b05d286b68da6e85275f7695b2aa

NanoCore

cd8770808daf4f97a339438001f0ac7dab0853feb07134e6f7bb2fc3db9581c0

NanoCore

d35f40a630b2e4b24ec76c354e1e66d927afe339aaba45ff3c750ed52193c910

NanoCore

e7fa1cf008969a70a894b2947737b69c26abb63378d9d4305b698b223793029f

NanoCore

+ 1'289 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/201109-4xmpbj9dk6/

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/