MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e48629bdaa203994ac62bb4e4eec52e7b83afb30be4e512575a53994f169d627. 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: 13

Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash:	e48629bdaa203994ac62bb4e4eec52e7b83afb30be4e512575a53994f169d627
SHA3-384 hash:	107445a49364ea3464c2365be2f582670c7e5a34212f94fc8f68d64c40710ef76709d2843a46e23ed0d2a9edd09fa455
SHA1 hash:	290dfce6aebf4526cb934acedd27e78943c628d1
MD5 hash:	8e98602f7bf2eb6b6c8b2b8531b93426
humanhash:	speaker-connecticut-sodium-berlin
File name:	8e98602f7bf2eb6b6c8b2b8531b93426.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	545'792 bytes
First seen:	2021-04-26 06:36:04 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'467 x Formbook, 12'206 x SnakeKeylogger)
ssdeep	12288:ZLV6BtpmkjPDo8uXR/jKEy9mZ8XayIbuCwVmXVF+RvN5B8OksNSL:hApfjjg/CatbCVRzD8OksA
Threatray	1'776 similar samples on MalwareBazaar
TLSH	46C4025577B88A2FE2DD857AA019111787BEC2E398C3F3DD28D448FA9B527E146070D3
Reporter	abuse_ch
Tags:	exe NanoCore RAT

Intelligence

File Origin

# of uploads :

# of downloads :

128

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

8e98602f7bf2eb6b6c8b2b8531b93426.exe

Verdict:

Malicious activity

Analysis date:

2021-04-26 06:40:15 UTC

Tags:

rat nanocore trojan

Link:

https://app.any.run/tasks/0745e6b7-e438-4e71-9b5a-47e88631cb01

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

NanoCore

Link:

https://www.capesandbox.com/analysis/144225/

Detection(s):

Win.Trojan.NanoCore-9852758-0

Win.Trojan.Nanocore-5

Win.Packed.Generic-9777790-0

Win.Trojan.Generic-9783914-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %AppData% subdirectories

Sending a UDP request

DNS request

Connection attempt to an infection source

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Result

Threat name:

Nanocore

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/697437

Signature

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Detected Nanocore Rat

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sigma detected: NanoCore

Yara detected Nanocore RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

nanocore

Link:

https://mwdb.cert.pl/sample/e48629bdaa203994ac62bb4e4eec52e7b83afb30be4e512575a53994f169d627/

Threat name:

ByteCode-MSIL.Backdoor.NanoCore

Status:

Malicious

First seen:

2021-04-26 05:55:16 UTC

AV detection:

46 of 47 (97.87%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=4sdctpnkea4zjldcxnhe53cs464dv6zqxzhfcjlvuu4zj4lj2ytq._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9

NanoCore

52b5f2f95b1200b20a6f3adfcb93c6f87713155f83176dede353ee158c7c1b63

NanoCore

8551c05301b50a17763637cca7f291a6b779c82f16275f734e793f6a0e7e1a17

NanoCore

be86e9fd2d5913526b7cea3bec1ad8c84acea8cab73ea78414e6317565f3079b

NanoCore

cce5d9e4fd5ca9142510f3b21d0a73906171e90a815520985687dde13b6e643d

NanoCore

e11f59ce9dae9fcff7ff4c8d3d119dd663a1918d084f8cda7b30c474cd141642

NanoCore

e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed

NanoCore

e9c3fc00ddb08ef196d05b56ce0c83c04381de42e8777e902e3e9c7afe4a9f11

NanoCore

f29b0b35d584de9410f3ffe75e8e4dbc6d90ecbc6f2c4d9382d8faf33e88d80b

NanoCore

+ 1'766 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore evasion keylogger spyware stealer trojan

Link:

https://tria.ge/reports/210426-tvhxa8k352/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Checks whether UAC is enabled

NanoCore

Malware Config

C2 Extraction:

194.5.98.122:1144
nassiru1166.webhop.me:1144

Unpacked files

SH256 hash:

e48629bdaa203994ac62bb4e4eec52e7b83afb30be4e512575a53994f169d627

MD5 hash:

8e98602f7bf2eb6b6c8b2b8531b93426

SHA1 hash:

290dfce6aebf4526cb934acedd27e78943c628d1

Detections:

win_nanocore_w0

Link:

https://www.unpac.me/results/09b1da80-2e1e-494c-9276-1d6b0d4a0a89/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Nanocore

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/e48629bdaa203994ac62bb4e4eec52e7b83afb30be4e512575a53994f169d627

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 Create hunting rule
Author:	jeFF0Falltrades

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/