MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 179e97a913167cf134940de30dcf83311d6daa3d156e0285111f111a75c8fbd3. 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: 11

Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash:	179e97a913167cf134940de30dcf83311d6daa3d156e0285111f111a75c8fbd3
SHA3-384 hash:	3832a8d3b8a3c515a4dfda39f73bb8c4fec3d141d798f9eb6ec9b84306c1e85838be5d2872377241f113218293580daf
SHA1 hash:	0a452fe2cd6779364d55028622bd66627a7c2974
MD5 hash:	7f65f264a9ce097aba11930f0adf0801
humanhash:	enemy-emma-bulldog-mockingbird
File name:	4Gh6u64d.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	29'696 bytes
First seen:	2020-12-22 13:17:20 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	384:1mCftl7ndJoc8e9v55Do7mmmqDspHe4qGBsbh0w4wlAokw9OhgOL1vYRGOZzjZYf:rD7zoc86xi74q8HeoBKh0p29SgR1Q
Threatray	491 similar samples on MalwareBazaar
TLSH	5FD20A193BB84916C4BC1B74C83196274BF586032913DFAFDDC5A8DA9AB33E4194CBE1
Reporter	pmelson
Tags:	exe NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

406

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

4Gh6u64d.exe

Verdict:

Malicious activity

Analysis date:

2020-12-22 13:47:15 UTC

Tags:

rat njrat bladabindi

Link:

https://app.any.run/tasks/221d8d10-8447-45c8-a796-ab694db68c21

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/108896/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %AppData% directory

Creating a process from a recently created file

Creating a file

Creating a process with a hidden window

Creating a window

DNS request

Sending a UDP request

Unauthorized injection to a recently created process

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Launching the process to change the firewall settings

Connection attempt to an infection source

Enabling autorun by creating a file

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.

Result

Threat name:

njRat

Detection:

malicious

Classification:

troj.adwa.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/568314

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Contains functionality to log keystrokes (.Net Source)

Creates autostart registry keys with suspicious names

Detected njRat

Drops PE files to the startup folder

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Modifies the windows firewall

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Uses netsh to modify the Windows network and firewall settings

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/179e97a913167cf134940de30dcf83311d6daa3d156e0285111f111a75c8fbd3/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2020-12-22 13:18:05 UTC

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=c6pjpkitcz6pcneubxrq3t4dgeow3kr5cvxafbird4iru5oi7pjq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

evasion persistence

Link:

https://tria.ge/reports/201222-49crqavw82/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Adds Run key to start application

Loads dropped DLL

Drops startup file

Executes dropped EXE

Modifies Windows Firewall

Unpacked files

SH256 hash:

179e97a913167cf134940de30dcf83311d6daa3d156e0285111f111a75c8fbd3

MD5 hash:

7f65f264a9ce097aba11930f0adf0801

SHA1 hash:

0a452fe2cd6779364d55028622bd66627a7c2974

Detections:

win_njrat_g1

win_njrat_w1

Link:

https://www.unpac.me/results/7243d239-6ada-40f5-bf47-9ab5dfcf276c/

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

Threat name:

NJRat

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/179e97a913167cf134940de30dcf83311d6daa3d156e0285111f111a75c8fbd3

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:	Ping_Del_method_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	cmd ping IP nul del

Rule name:	RAT_njRat Create hunting rule
Author:	Kevin Breen <kevin@techanarchy.net>
Description:	Detects njRAT
Reference:	http://malwareconfig.com/stats/njRat