MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df28b4119e175dc405ccc0b6a8602a5535e6fcf4c3e0878537911a5395fe7315. 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: 7

Intelligence 7 IOCs YARA 7 File information Comments

SHA256 hash:	df28b4119e175dc405ccc0b6a8602a5535e6fcf4c3e0878537911a5395fe7315
SHA3-384 hash:	c4abf28dcf6a186083f5501f2e2daa56dc02c81834c70d1766f6a5b29551e743f5add7bdf5f65554c294968be1e6462c
SHA1 hash:	53578d6ab7a59c528d94c6bb322982c2e8d5b7a1
MD5 hash:	52dabe5d0e1fd4ca7021abcbf9c8486c
humanhash:	fanta-arizona-wyoming-twelve
File name:	52dabe5d0e1fd4ca7021abcbf9c8486c
Download:	download sample
Signature	njrat Create hunting rule
File size:	44'032 bytes
First seen:	2021-06-23 23:33:00 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep	384:3ZyDtlwZ28bk8yi6pclOXBMNxdfZE+9D9O5UE5QzwBlpJNakkjh/TzF7pWnGcwgi:JWGvbk5iokEInyvQO+5c4+L
Threatray	82 similar samples on MalwareBazaar
TLSH	D713D78CB694E174D5FF8BF1B492B2890B70905B9902E30F99F154D98FB3AC09611EE7
Reporter	zbetcheckin
Tags:	32 exe NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

240

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

52dabe5d0e1fd4ca7021abcbf9c8486c

Verdict:

No threats detected

Analysis date:

2021-06-23 23:34:38 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/3127ac45-e96e-4e26-acd8-a59de8127773

Note:

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

Detection(s):

Win.Trojan.Generic-6417450-0

Win.Packed.Generic-7672855-0

Win.Packed.njRAT-7672853-1

Win.Packed.Msilperseus-9220094-0

Win.Packed.Generic-9795615-0

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:

njRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2a4408ad-bb24-4224-97bc-6e075670e172

Result

Threat name:

njRat

Detection:

malicious

Classification:

troj.adwa.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/806932

Signature

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Creates an autostart registry key pointing to binary in C:\Windows

Detected njRat

Drops executables to the windows directory (C:\Windows) and starts them

Drops PE files to the startup folder

Found malware configuration

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/df28b4119e175dc405ccc0b6a8602a5535e6fcf4c3e0878537911a5395fe7315/

Threat name:

Win32.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2021-06-21 18:49:15 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

38 of 46 (82.61%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=34uliem6c5o4ibomyc3kqybkku26n7huypqipbjxsenfhfp6omkq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

persistence

Link:

https://tria.ge/reports/210623-x4ezdn3sr6/

Behaviour

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in Windows directory

Adds Run key to start application

Drops startup file

Executes dropped EXE

Unpacked files

SH256 hash:

df28b4119e175dc405ccc0b6a8602a5535e6fcf4c3e0878537911a5395fe7315

MD5 hash:

52dabe5d0e1fd4ca7021abcbf9c8486c

SHA1 hash:

53578d6ab7a59c528d94c6bb322982c2e8d5b7a1

Link:

https://www.unpac.me/results/9f1d8c52-87d2-4a2e-b54f-36322c630de2/

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/df28b4119e175dc405ccc0b6a8602a5535e6fcf4c3e0878537911a5395fe7315

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:	pe_imphash Create hunting rule

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

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

File information

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

Web download

njrat

exe df28b4119e175dc405ccc0b6a8602a5535e6fcf4c3e0878537911a5395fe7315

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/1392883/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample