MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36ac5bec6993086917f960048af37ef846dcfe5042aeb7c0bf519ae060d0ea90. 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:	36ac5bec6993086917f960048af37ef846dcfe5042aeb7c0bf519ae060d0ea90
SHA3-384 hash:	03d211437a0744ca85503d0a313e4d8f1824541c348a5c58408d676beb8e8dabdaabec81b125c5fa573618e55e67cad0
SHA1 hash:	b09b5cb6c5b3ba1a1f5e56f43bb8ef51fdff27fd
MD5 hash:	549ad31350fca1a206d626f479bf23f6
humanhash:	queen-lake-pip-hot
File name:	Lists of enquiry.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	406'528 bytes
First seen:	2020-05-14 16:18:13 UTC
Last seen:	2020-05-14 16:41:02 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	6144:9N/o5Y4ba2OrYBsC9/fPzbjl29tMR35xX2ICz:9NwQ2RDfHjIS2xz
Threatray	1'127 similar samples on MalwareBazaar
TLSH	FC84DF457F48911EE61EA1B6F7A28E034725AD834903DB3761D8B2671FBE3E4C365B02
Reporter	abuse_ch
Tags:	exe NanoCore nVpn RAT

abuse_ch

Malspam distributing NanoCore:

HELO: mx-ace-1.centraloeste.com
Sending IP: 181.30.25.139
From: Mary Campbell <laura.aveni@centraloeste.com.ar>
Subject: Enquiry
Attachment: Lists of enquiry.img (contains "Lists of enquiry.exe")

NanoCore RAT C2:
u852121.nvpn.so:3410 (91.192.100.17)

Pointing to nVpn:

% Information related to '91.192.100.1 - 91.192.100.63'

% Abuse contact for '91.192.100.1 - 91.192.100.63' is 'abuse@libertas-international.eu'

inetnum: 91.192.100.1 - 91.192.100.63
netname: LIBERTAS_NETWORK
remarks: ----------------------------------------------
remarks: Libertas Network is a VPN service provider.
remarks: We have a strict non-logging policy, therefore
remarks: we don't record any logs on our servers.
remarks: ----------------------------------------------
country: CH
admin-c: LNAD1-RIPE
org: ORG-LNVS1-RIPE
tech-c: LNAD1-RIPE
status: ASSIGNED PA
mnt-by: MNT-DA327
created: 2019-12-12T08:51:11Z
last-modified: 2020-02-10T07:01:46Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Variant.Razy.627498.7628.22446.UNOFFICIAL

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-05-14 16:35:39 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 31 (70.97%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=g2wfx3djsmegsf7zmaciv4367bdnz7sqikxlpqf7kgnoaygq5kia._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

479dfa7690895205a1215d3edae68443671a448b6c09dc114d617c32f1a3d259

NanoCore

819b7cdae5437e09dddc2263080df829d2e8ba725f4364bfddf0cd10eb848692

NanoCore

84f2cd380b681104f068a5f49d9b4b790a949f042e1f9bea0b793c076489f72e

NanoCore

a37f501c2d65d191828fe20bf148436de23201f6fe852d59dfa67aaa5fc206e8

NanoCore

c4b8370a2f9b30c900f56ba9b2a405f5d4febde0515c52647af81b79eaf7febf

NanoCore

d0a8b39bc4bd58191a4b6db1a71621e7d9e2e124c05ad01922aafb9eba72205a

NanoCore

d0a9cde7ebed2daf4306e0e76a341e6c4293bf9904ed464f5bfcb462dc0999d0

NanoCore

d8021d01301e057b4f51017952545673b0892e07d5546745fc1159d740716fbf

NanoCore

f86a114e73dd0f15bc888e3db1477aa4c92d333bb236c4d3d1f49e72858bb80d

NanoCore

+ 1'117 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/201109-e8lzcfktrj/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Adds Run key to start application

NanoCore

Malware Config

C2 Extraction:

u852121.nvpn.so:3410

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/