MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 227da29dcbe4fd56f95df4f61bba961eea24a3e0f2c9292de39cd3d2dee17b0b. 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

njrat

Vendor detections: 4

Intelligence 4 IOCs YARA 3 File information Comments

SHA256 hash:	227da29dcbe4fd56f95df4f61bba961eea24a3e0f2c9292de39cd3d2dee17b0b
SHA3-384 hash:	aa6309ace1f67a1261a8b8e31198fb1ea631fd2cb7fcba9e085a23c946068c7da56858495d6e30bda2c23ee101b1c339
SHA1 hash:	3e0f83b5625d94df54c7d2a6cae81a494a5bafcb
MD5 hash:	8a832174c4e85b73c5cc7504a50483c2
humanhash:	two-mobile-potato-delaware
File name:	Agmr3IqBZVzjiJr.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	188'928 bytes
First seen:	2020-06-02 10:29:36 UTC
Last seen:	2020-06-02 12:51:38 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	3072:5XR3PaOdPrpsICOQMfurh5QRp3ntMEgnrTWqPUVfVzhvyPhgfsRsaairrBHxUeG3:5xP1PrpspDMfS5Q33ntorTd4f4RairrO
TLSH	00046A8D726072EFC857C472DEA81C68EA6164BB931F8217906765EDDE4D897CF200F2
Reporter	abuse_ch
Tags:	exe NjRAT nVpn RAT

abuse_ch

Malspam distributing njrat:

HELO: svk.sels.ru
Sending IP: 83.172.32.39
From: Sems CINDIOGLU-Nuprom Co <export1@nuproim.com>
Subject: Re: GF90 Proforma/Jan-09-2020
Attachment: ProformaInvoiceGF90_Jan-09-2020.docm

NjRAT payload URL:
http://http://www.wnksupply.co.th//images/Agmr3IqBZVzjiJr.exe

NjRAT C2:
185.140.53.251:4040

Hosted on 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(s):

SecuriteInfo.com.MSIL.Kryptik.WDE.17246.UNOFFICIAL

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-06-02 10:36:54 UTC

AV detection:

21 of 31 (67.74%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ej62fhol4t6vn6k56t3bxouwd3vcji7a6lesslpdttj5fxxbpmfq._file

Verdict:

unknown

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat evasion persistence trojan

Link:

https://tria.ge/reports/201109-972l42ytdj/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies service

Suspicious use of SetThreadContext

Adds Run key to start application

Maps connected drives based on registry

Checks BIOS information in registry

Drops startup file

Looks for VMWare Tools registry key

Modifies Windows Firewall

Looks for VirtualBox Guest Additions in registry

njRAT/Bladabindi

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:	CN_disclosed_20180208_c Create hunting rule
Author:	Florian Roth
Description:	Detects malware from disclosed CN malware set
Reference:	https://twitter.com/cyberintproject/status/961714165550342146