MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb301ca8c6b4567553fd8d0b7ddb4425109f5cb865bc209569a156260f72f6c7. 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: 3


Intelligence 3 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb301ca8c6b4567553fd8d0b7ddb4425109f5cb865bc209569a156260f72f6c7
SHA3-384 hash: f195dc1ea54dd49c691c51ab7f206a0a189f177369f8ebb92fdc97b906436a944dcf9867ac47e79193b5ec774ea34faf
SHA1 hash: 26980a27ff59962256a34516bcacd5758d876208
MD5 hash: 792eb51f509b3fb8dbae3f5b61f2ba74
humanhash: jupiter-violet-april-white
File name:ProformaInvoiceGF90_Jan-09-2020.docm
Download: download sample
Signature njrat
Create hunting rule
File size:145'337 bytes
First seen:2020-06-02 10:28:53 UTC
Last seen:Never
File type:Word file docm
MIME type:application/vnd.openxmlformats-officedocument.wordprocessingml.document
ssdeep 3072:g8dS875/5BOG4kgGkmlWADTvu4+P697QV/P3v/Oh06aAZOava:gMS8l/qGNJkmMGu697QV/Pf2m6aA8p
TLSH 44E3F182B716F1CBE5D287B1A083A3E733D597989E098A659043F27C2C74C372F1AE55
Reporter abuse_ch
Tags:docm NjRAT RAT


Avatar
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 :
1
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.DOCXSTRGOOD..EXE.200225.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.SHELL.APPLICATION.200225.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.POWERSHELL.200302.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.NEW-OBJECT.200322.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Document-Word.Downloader.Generic
Create hunting rule
Status:
Malicious
First seen:
2020-06-02 12:36:01 UTC
AV detection:
12 of 48 (25.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xmybzkggwrlhku75rufx3w2eeuij6xfymw6cbfljuflcmd3s63dq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/201109-mapwa32pra/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Blacklisted process makes network request
Process spawned unexpected child process
Malware Config
Dropper Extraction:
http://www.wnksupply.co.th//images/Agmr3IqBZVzjiJr.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: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
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter
Description:Identify njRat

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

njrat

Word file docm bb301ca8c6b4567553fd8d0b7ddb4425109f5cb865bc209569a156260f72f6c7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/374416/
  
Delivery method
Distributed via e-mail attachment

Comments