MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa025c5073c737b73d42bc9295b7622e9c0b2db8a7bb9f480ba45a76a18259f3. 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: 3

Intelligence 3 IOCs YARA 5 File information Comments

SHA256 hash:	aa025c5073c737b73d42bc9295b7622e9c0b2db8a7bb9f480ba45a76a18259f3
SHA3-384 hash:	a27659e0ffd43b31ecd3df681c4cca8ec27213617672a6e598cecb749e59d1a7f22f06bc8278ae41edb2dc127344ecbf
SHA1 hash:	08fabe73e861f557d32a5d8159a5b4ffbc26af3e
MD5 hash:	e7dd77e585a5c97990b4ca1dc4267247
humanhash:	mockingbird-enemy-sixteen-artist
File name:	INV.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	179'200 bytes
First seen:	2020-05-21 07:14:26 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	3072:5MNh39MVPc9KjYRNGB2LsSNETHAtSLEZWrrS9gHeh06vAR2b89aUn29QLqpRyPEM:q0pU1BsCz0
Threatray	87 similar samples on MalwareBazaar
TLSH	390471BA937C2B25C1FE6779B032805067FCD68BDBC5D584BE4C43C80A92BA15363B59
Reporter	abuse_ch
Tags:	exe NanoCore RAT

abuse_ch

Malspam distributing NanoCore:

HELO: server.swaindistribution.com
Sending IP: 207.7.84.133
From: ar@swaindistribution.com
Subject: Re: Unpaid Invoice
Attachment: INV.IMG (contains "INV.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Rdn

Status:

Malicious

First seen:

2020-05-21 07:36:01 UTC

AV detection:

23 of 30 (76.67%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vibfyudty433opkcxsjjln3cf2oawlnyu65z6salurnhnimclhzq._file

Verdict:

unknown

Result

Malware family:

n/a

Score:

8/10

Tags:

n/a

Link:

https://tria.ge/reports/201109-v94c99a7gn/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Executes dropped EXE

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/