MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e843cd8a1f16a71c363c7b4f880c51c37b8e40404f4b09f49bf73f18fd357e52. 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:	e843cd8a1f16a71c363c7b4f880c51c37b8e40404f4b09f49bf73f18fd357e52
SHA3-384 hash:	6d382eb44ed567cc32ce36f61c9062695b3b49cb2f044b3ee51a0a3ab9871266dbce23f85bdc202c3ee6232d44abf442
SHA1 hash:	c2b41b2cca7fefd3a8ba090b939f9ce301dd6140
MD5 hash:	608b0bdce6dcaa24d313cc6fa756e7d3
humanhash:	hot-cola-aspen-pip
File name:	PO-54764456.AZ.r11.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	372'736 bytes
First seen:	2020-06-15 12:40:22 UTC
Last seen:	2020-06-16 09:35:08 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	6144:TjEY46/BPr11n8NPkh6A54YQmYE1yWAYF4Sf5K2bWDqi:TE6/Bj8V2Tj5F4Sf5KKWDq
Threatray	1'246 similar samples on MalwareBazaar
TLSH	D484F14977DD5A25E2BA8F7584F109448370BCAA3513E35E1FC430AA2E73BC89952F1B
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: outriger.biz
Sending IP: 37.49.224.4
From: sales@outriger.biz
Subject: Staff HRD_Friska Citra
Attachment: PO-54764456.AZ.r11.zip (contains "PO-54764456.AZ.r11.exe")

NanoCore RAT C2:
adikaremix.linkpc.net:1790 (185.140.53.13)

Pointing to 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:

NanoCore

Link:

https://www.capesandbox.com/analysis/10398/

Detection(s):

SecuriteInfo.com.Generic.mg.80fc162f354d28e3.20640.UNOFFICIAL

Gathering data

Threat name:

ByteCode-MSIL.Backdoor.NanoCore

Status:

Malicious

First seen:

2020-06-15 12:42:05 UTC

File Type:

PE (.Net 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=5bb43cq7c2trynr4pnhyqdcryn5y4qcaj5fqt5e3647rr7jvpzja._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

3578883b98c946b2b9f78aa253a38aa77c3d7b95820b1085e57d6f06f9cf6eb6

NanoCore

4192b46f43ae6f482490aa98fbd0690ff4974c677463c73a4230eaa70106b791

NanoCore

495970d3522bc326eea3636c8004534abdae3d6438967088524098e448c3106c

NanoCore

4bcccb96fd01c27fbf6d422d7dc3d53b997cd928b11baab0d449367137706aa0

NanoCore

7edb0b86650ff76c5b00c25c9f642bc4e163a946fe34efab15c0ea3cfee10c60

NanoCore

97f67123bf9b506479f14240bb2045a9e5e12062039ad4a60c065232b293ea0c

NanoCore

adb1948d6b4d965ee35ea8107b1128a9075d3548b61a72cfb35d0893d1f4ffaf

NanoCore

b47fd439f5f744bb6e3dead9204f558d2536dd82ceab7d1df41dbbe184fa9c2f

NanoCore

eeb8c3abc5285adfd129d20f321f2502d1125f0a0131644fe82c931cc2a5183b

NanoCore

+ 1'236 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-n4br2e1ryx/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Drops file in Program Files directory

Suspicious use of SetThreadContext

Adds Run key to start application

Checks whether UAC is enabled

NanoCore

Malware Config

C2 Extraction:

adikaremix.linkpc.net:1790
185.140.53.13:1790

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/