MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5dd6c84ff0c8efb68221b03b165ad150c58963f65e50fbe64f56b654d3399940. 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 1 YARA 10 File information Comments

SHA256 hash:	5dd6c84ff0c8efb68221b03b165ad150c58963f65e50fbe64f56b654d3399940
SHA3-384 hash:	0fa29dc93b4d06558efd86a2bc7d98641b2c8e60ad9da393cfb2c5c5413d186bc6e0ca1a97dbe8a73395d59c79f878f6
SHA1 hash:	f823874e010a1bfd52f2ab91744b669f0d5297b3
MD5 hash:	3aa7ec25d80c709f45e1f3c6fbfe6590
humanhash:	july-uncle-skylark-six
File name:	bDCB.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	24'064 bytes
First seen:	2022-07-23 01:07:21 UTC
Last seen:	2022-07-23 02:55:49 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep	384:48aLWS0dABLYVq6RxP8MDFF09CK563gRMmJKUv0mRvR6JZlbw8hqIusZzZiI:XXcwt3CRpcnuQ
Threatray	1'602 similar samples on MalwareBazaar
TLSH	T137B21A4E3FA98856D5AC1B748AB5965003B491870423EE2FCCC560DBAFB36D91D4CAF8
TrID	60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13101/52/3) 8.6% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter	pmelson
Tags:	exe NjRAT

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
185.140.53.159:5672	https://threatfox.abuse.ch/ioc/839091/

Intelligence

File Origin

# of uploads :

# of downloads :

323

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/293523/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a process with a hidden window

Creating a window

Searching for synchronization primitives

Using the Windows Management Instrumentation requests

Launching the process to change the firewall settings

Sending a TCP request to an infection source

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

bladabindi cmd.exe fingerprint greyware keylogger njrat packed rat stealer windows zbot

Link:

https://www.filescan.io/uploads/62db4a707b83f958a96cdb2f/reports/a2a9d16c-ba64-4015-bf14-fcd42d8fc991/overview

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/f7978790-ce8a-4df0-8c8e-3af0f61d074c

Result

Threat name:

njRat

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1039537

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

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Modifies the windows firewall

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic

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/5dd6c84ff0c8efb68221b03b165ad150c58963f65e50fbe64f56b654d3399940/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2022-07-23 01:08:06 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 26 (100.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lxlmqt7qzdx3narbwa5rmwwrkdcysy7wlzipxzspk23fjuzztfaa._file

Verdict:

malicious

Label(s):

njrat

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:phone evasion suricata trojan

Link:

https://tria.ge/reports/220723-bg8bbsbad4/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies Windows Firewall

njRAT/Bladabindi

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

Malware Config

C2 Extraction:

185.140.53.159:5672

Unpacked files

SH256 hash:

5dd6c84ff0c8efb68221b03b165ad150c58963f65e50fbe64f56b654d3399940

MD5 hash:

3aa7ec25d80c709f45e1f3c6fbfe6590

SHA1 hash:

f823874e010a1bfd52f2ab91744b669f0d5297b3

Detections:

win_njrat_g1

win_njrat_w1

Link:

https://www.unpac.me/results/c78975c2-3f85-437d-bc8c-7bd47a0a0601/

Malware family:

njRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5dd6c84ff0c8/report/overview.html

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

Threat name:

Suspicious File

Score:

0.55

Link:

https://yomi.yoroi.company/submissions/5dd6c84ff0c8efb68221b03b165ad150c58963f65e50fbe64f56b654d3399940

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:	CN_disclosed_20180208_c_RID2E71 Create hunting rule
Author:	Florian Roth
Description:	Detects malware from disclosed CN malware set
Reference:	https://twitter.com/cyberintproject/status/961714165550342146

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

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

Rule name:	MAL_njrat Create hunting rule
Author:	SECUINFRA Falcon Team

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:	SUSP_netsh_firewall_command Create hunting rule
Author:	SECUINFRA Falcon Team

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 5dd6c84ff0c8efb68221b03b165ad150c58963f65e50fbe64f56b654d3399940

(this sample)

Link

https://www.virustotal.com/gui/file/5dd6c84ff0c8efb68221b03b165ad150c58963f65e50fbe64f56b654d3399940/detection

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/293523/

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