MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5b7facb1053e87d655699925bdd6391b047aea6740e26be0806240212419a5f. 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: c5b7facb1053e87d655699925bdd6391b047aea6740e26be0806240212419a5f
SHA3-384 hash: 5d973cdae6c9174a2241d52df984582fe4cdbbfa814693e1cbbd3361a69082237346f9cfab749a2c5e1a54954bddc491
SHA1 hash: 4df9d8b6c8d96cb023f45e455c815a1362d64d8c
MD5 hash: 285a81c1f13aafa77166da5ce8c2968d
humanhash: muppet-four-butter-sad
File name:NJULTITEC73BK39JV5295e9SCkYZKj5REvK.exe
Download: download sample
Signature njrat
File size:394'752 bytes
First seen:2020-05-01 08:41:24 UTC
Last seen:2020-05-01 09:47:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:dxx+3oV2CYRlOlt+9kELtJosyng9XD+8a+yphpuO+ZjCvFj5cJ4:pC4zl0vLWS
Threatray 353 similar samples on MalwareBazaar
TLSH 7184E79C369070DFD467DA72CEA42D64EA61B877630FD207A053229D8E2DA97DF101F2
Reporter abuse_ch
Tags:COVID-19 exe NjRAT nVpn RAT


Avatar
abuse_ch
Malspam distributing njrat:

HELO: smtp1-01.brain.net.pk
Sending IP: 203.128.3.25
From: wonhar <wonhar@brain.net.pk>
Reply-To: <ayala22mark@gmail.com>
Subject: ULTITEC COVID 19 PROTECTIVE CLOTHING
Attachment: NJULTITEC73BK39JV5295e9SCkYZKj5REvK.7z (contains "NJULTITEC73BK39JV5295e9SCkYZKj5REvK.exe")

NjRAT C2:
185.165.153.215:5552

Hosted on nvpn:

% Information related to '185.165.153.0 - 185.165.153.255'

% Abuse contact for '185.165.153.0 - 185.165.153.255' is 'abuse@privacy-matters.co'

inetnum: 185.165.153.0 - 185.165.153.255
netname: PRIVACY_MATTERS
remarks: This prefix belongs to a VPN service provider.
remarks: For us the privacy of our customers matters, which means we store no logs
remarks: related to any IP addresses.
remarks: Spamhaus, please note that blacklisting the clean prefixes of our hosting
remarks: partners and upstream providers is an act of coercion and will no longer
remarks: be tolerated.
remarks: Coercion is punishable by a custodial sentence or by a monetary penalty.
remarks: If you continue such practice we will not only take legal actions against
remarks: your organization, but also make such blackmailing attempts public in the
remarks: media.
country: AT
admin-c: PMVS3-RIPE
tech-c: PMVS3-RIPE
org: ORG-PMVS1-RIPE
status: ASSIGNED PA
mnt-by: PM-MNT
created: 2019-10-18T12:14:26Z
last-modified: 2019-10-18T13:31:16Z
source: RIPE

organisation: ORG-PMVS1-RIPE
org-name: Privacy Matters VPN service
org-type: OTHER
address: 87 Chemin Le Niol, Beau Vallon, Mah�, Seychelles
admin-c: PMVS3-RIPE
tech-c: PMVS3-RIPE
abuse-c: PMVS3-RIPE
mnt-ref: PM-MNT
mnt-by: PM-MNT
created: 2019-10-17T08:39:32Z
last-modified: 2019-10-18T12:49:58Z
source: RIPE # Filtered

role: Privacy Matters - VPN service
address: 87 Chemin Le Niol, Beau Vallon, Mah�, Seychelles
abuse-mailbox: abuse@privacy-matters.co
nic-hdl: PMVS3-RIPE
mnt-by: PM-MNT
created: 2019-10-17T08:29:52Z
last-modified: 2019-10-17T08:38:57Z
source: RIPE # Filtered

Intelligence


File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-05-01 09:55:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
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
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:win_njrat_w1
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

Executable exe c5b7facb1053e87d655699925bdd6391b047aea6740e26be0806240212419a5f

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments