MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a73359e756c28a176925f85e7aa0326213bbf54c5fea0dac86215341fa258cc6. 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:	a73359e756c28a176925f85e7aa0326213bbf54c5fea0dac86215341fa258cc6
SHA3-384 hash:	783c8a6f44add6f903f9bef048d1a91f166c88804486ff8742e9ad6464dbd73065274c01a7f127646e001c84ff870b73
SHA1 hash:	0405bc2027c1dd3af8ca4ce2c5965e3acba91854
MD5 hash:	c8781b5096f61ff2c5be9cf36d08ab10
humanhash:	cat-hydrogen-angel-cardinal
File name:	7165390_Inv0ice_C0py.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	1'374'720 bytes
First seen:	2020-06-18 15:42:04 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:Ntb20pkaCqT5TBWgNQ7axZiTgeC2O17abEpCqkfET236A:+Vg5tQ7axK4TJGEpWETQ5
Threatray	1'920 similar samples on MalwareBazaar
TLSH	C655DF1373DD8360C3B25173BA25B751AE7B7C2606A1F56B2FD43E3DA870122521EA63
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: alt22.smtp-out.videotron.ca
Sending IP: 70.80.0.73
From: Jane Wright <jane@charlestownwineandspirits.com>
Subject: Payment Receipt.
Attachment: 7165390_Inv0ice_C0py.zip (contains "7165390_Inv0ice_C0py.exe")

NanoCore RAT C2:
omojune.duckdns.org:8090 (185.165.153.45)

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:

NanoCore

Link:

https://www.capesandbox.com/analysis/19815/

Detection(s):

Sanesecurity.Malware.27686.AidExe.UNOFFICIAL

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL

Gathering data

Threat name:

Win32.Trojan.Predator

Status:

Malicious

First seen:

2020-06-18 16:36:12 UTC

AV detection:

24 of 31 (77.42%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=u4zvtz2wykfbo2jf7bphvibsmij3x5kml7va3legefjud6rfrtda._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

03eacd008568d29ca8c5a4b9735f7fb6d2b2e5b7a1726f7ed316380e7b9f3e5c

NanoCore

17fa709f1a866d573f997f8f1288d537de382cccc5a4f9c1811db9da34c016b2

NanoCore

1c2fafc2031b76ab4caf3f91474f023321703a820209da4591192b6ca7cd09d2

NanoCore

49921e6531eac85bf200970640a074072f6071b7a18d23af56706788cd421c1c

NanoCore

582ec0985f0066dab40c455d1f8e6c414d9d5d0c156f673c6327efb901d97542

NanoCore

7170afaea1dbb708d92f335dbcbf2677704d6abb91cb6d3f08cca0ed470d3dac

NanoCore

73db44bf103e307704faafe310253e8b810593856abf4e92295f68f47532742c

NanoCore

8275f526465d7b9d806b1be78d895d7f499044b456be1aec36b8cac8188890ac

NanoCore

944b633d92799fe6aeefae5de7945b6b0b69020ed669d9d7e68ebd80868771e6

NanoCore

+ 1'910 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

evasion trojan keylogger stealer spyware family:nanocore

Link:

https://tria.ge/reports/200624-yrcma18m4a/

Behaviour

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetThreadContext

Checks whether UAC is enabled

Drops startup file

NanoCore

Malware Config

C2 Extraction:

omojune.duckdns.org:8090

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/