MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 499641e0ca2ff3eee2be722d8086c0c9d4922cdc58c44878d9e887366b665533. 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: 13

Intelligence 13 IOCs YARA 7 File information Comments 1

SHA256 hash:	499641e0ca2ff3eee2be722d8086c0c9d4922cdc58c44878d9e887366b665533
SHA3-384 hash:	d5f86614800303d830b1b5845bc50511937407a52f6b3e83d142c347c4e7601b7859a59196bc25d07d5860401728ad3f
SHA1 hash:	3886dd77dd168ff9afbf3be104ac66e32517565f
MD5 hash:	dce74565e25aa0531c0f40ba8c01b0e0
humanhash:	massachusetts-aspen-bravo-venus
File name:	dce74565e25aa0531c0f40ba8c01b0e0
Download:	download sample
Signature	njrat Create hunting rule
File size:	24'064 bytes
First seen:	2021-07-23 00:21:02 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	384:7/MKyO5BkRahobh31yuKeMntw6zgV4AiQ5pzlmRvR6JZlbw8hqIusZzZvTf:7UaYaCb1KqiVRpcnuKf
Threatray	665 similar samples on MalwareBazaar
TLSH	T1DAB2194E3FA98866C5BC1B748AA5965003B491470413EE2FCDC560CBAFB3AD91D4CAF9
Reporter	zbetcheckin
Tags:	32 exe NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

212

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

dce74565e25aa0531c0f40ba8c01b0e0

Verdict:

Malicious activity

Analysis date:

2021-07-23 00:22:49 UTC

Tags:

trojan rat njrat bladabindi

Link:

https://app.any.run/tasks/6308635d-e675-4ed3-a2fa-67f40e8e25ba

Note:

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

Detection:

njRat

Link:

https://www.capesandbox.com/analysis/173459/

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.

Malware family:

Malicious Packer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/be2cfd21-2177-4a86-a3c3-720648e62660

Result

Threat name:

njRat

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/820472

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Contains functionality to log keystrokes (.Net Source)

Detected njRat

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Modifies the windows firewall

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

Uses netsh to modify the Windows network and firewall settings

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Detection:

njrat

Link:

https://mwdb.cert.pl/sample/499641e0ca2ff3eee2be722d8086c0c9d4922cdc58c44878d9e887366b665533/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2021-07-16 02:30:40 UTC

AV detection:

41 of 46 (89.13%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jgledygkf7z65yv6oiwybbwazhkjelg4ldceq6gz5cdtm23gkuzq._file

Verdict:

malicious

Label(s):

njrat

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat evasion suricata trojan

Link:

https://tria.ge/reports/210723-vbc8dt5sye/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies Windows Firewall

njRAT/Bladabindi

suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

Unpacked files

SH256 hash:

499641e0ca2ff3eee2be722d8086c0c9d4922cdc58c44878d9e887366b665533

MD5 hash:

dce74565e25aa0531c0f40ba8c01b0e0

SHA1 hash:

3886dd77dd168ff9afbf3be104ac66e32517565f

Detections:

win_njrat_w1

win_njrat_g1

Link:

https://www.unpac.me/results/208b98ed-f419-4102-b70e-46fe72555438/

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/499641e0ca2ff3eee2be722d8086c0c9d4922cdc58c44878d9e887366b665533

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:	MALWARE_Win_NjRAT Create hunting rule
Author:	ditekSHen
Description:	Detects NjRAT / Bladabindi

Rule name:	Njrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect njRAT in memory

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_LightDefender_Njrat_Rule Create hunting rule
Author:	Skystars LightDefender
Description:	Detects Njrat

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	win_njrat_w1 Create hunting rule
Author:	Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:	Identify njRat

File information

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

Web download

njrat

exe 499641e0ca2ff3eee2be722d8086c0c9d4922cdc58c44878d9e887366b665533

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/1474705/

Cape

https://www.capesandbox.com/analysis/173459/

Comments

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zbet commented on 2021-07-23 00:21:05 UTC

url : hxxp://toobalhost.publicvm.com/99/Server.exe