MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8002827a287f26cf1c8447e12a207360bf93079b40a5304da9dfa00c2809875. 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: 4

Intelligence 4 IOCs YARA 6 File information Comments

SHA256 hash:	e8002827a287f26cf1c8447e12a207360bf93079b40a5304da9dfa00c2809875
SHA3-384 hash:	fd6f2c9a8332a3d4980de1ac17fb527c845246e4744e36ddd298ffc69a57d3d91f7821ca8bee51925d2da73054117d31
SHA1 hash:	7e7a4b61e5939369ee33b1d3ddfae1970c6d8d26
MD5 hash:	ddf603552dbe717ce43958fe1015cb3a
humanhash:	helium-mango-gee-batman
File name:	PO01072020.xlsm
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	408'606 bytes
First seen:	2020-07-01 18:23:22 UTC
Last seen:	2020-07-01 19:13:29 UTC
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	12288:O1966HyQnGJhJrpY3o3XkYcuqvqSjMjYuWZmok:O19bXuhrYbLvzQssok
TLSH	A49423BB5019BDA6D6FFECADC00898E6310EC7253349AFFDA94845808D9B13D466D4CE
Reporter	abuse_ch
Tags:	NanoCore nVpn RAT xlsm

abuse_ch

Malspam distributing NanoCore:

HELO: semf02.mfg.siteprotect.com
Sending IP: 64.26.60.165
From: Laura Lindsay <Info@campingmarinalouiseville.com>
Reply-To: prepre080@vivaldi.net
Subject: RESENDING: Quotation Needed
Attachment: PO01072020.xlsm

NanoCore payload URL:
http://mrgeek.pk/snllwd.exe

NanoCore RAT C2:
gold1.dnsupdate.info:4777 (79.134.225.84)

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.ISB.Downloadergen48.24193.UNOFFICIAL

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e8002827a287f26cf1c8447e12a207360bf93079b40a5304da9dfa00c2809875/

Threat name:

Script-Macro.Downloader.Obfuser

Status:

Malicious

First seen:

2020-07-01 18:25:04 UTC

AV detection:

16 of 29 (55.17%)

Threat level:

3/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=5aacqj5cq7zgz4oiir7bfiqhgyf7smdzwqffgbg2tx5abquatb2q._file

Result

Malware family:

nanocore

Score:

10/10

Tags:

evasion trojan keylogger stealer spyware family:nanocore

Link:

https://tria.ge/reports/200701-1x7gvz7cdj/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

NTFS ADS

Suspicious use of SetWindowsHookEx

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetThreadContext

Checks whether UAC is enabled

Loads dropped DLL

Drops startup file

Blacklisted process makes network request

Executes dropped EXE

NanoCore

Process spawned unexpected child process

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/