MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a689b16dd9bfa6277ec62d9d0767b91326b3912066934a95c95f0a4ed0f57960. 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: 18

Intelligence 18 IOCs YARA 20 File information Comments

SHA256 hash:	a689b16dd9bfa6277ec62d9d0767b91326b3912066934a95c95f0a4ed0f57960
SHA3-384 hash:	a1bb974afbdc0d7700794746a5e3a78b551c0e62dbf9bf63a9b3d443c9c92fd85673e5ffb665b8dfa687835987a12b81
SHA1 hash:	7d9730f1e72bf2b7a6ef84886e2444e0aca30d1d
MD5 hash:	5e07420af030f60aaa585125ee30d12f
humanhash:	berlin-seven-autumn-video
File name:	5e07420af030f60aaa585125ee30d12f.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	95'232 bytes
First seen:	2024-06-15 17:35:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	1536:5UuYW6qbkW8aVpO1iRkoojEwzGi1dDLDTgS:5UW8aVpOwSCi1dDM
TLSH	T13793E84977E52524E1BF5AF39471F2404E34B44B1602E39D49F259AA0B33AC48F89FEB
TrID	60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.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	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
3.125.102.39:15683

Intelligence

File Origin

# of uploads :

# of downloads :

474

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

a689b16dd9bfa6277ec62d9d0767b91326b3912066934a95c95f0a4ed0f57960.exe

Verdict:

Malicious activity

Analysis date:

2024-06-15 17:36:07 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/8850da8a-3ea2-4cdd-85dd-58d60c70415d

Note:

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

Detection(s):

Win.Packed.Generic-9795615-0

Win.Dropper.njRAT-10015886-0

Win.Dropper.Nanocore-10030076-0

Win.Trojan.Generic-6417450-0

Win.Trojan.B-468

Win.Trojan.Ratenjay-1

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=666dd20c89a0563951f5a9bbwin7simulatehigh_evasion

Tags:

Banker Execution Generic Network Msil Dexter

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a window

Creating a file in the %AppData% directory

Creating a file in the Windows directory

Creating a process from a recently created file

Creating a file

Creating a process with a hidden window

Searching for synchronization primitives

Connection attempt to an infection source

Using the Windows Management Instrumentation requests

Launching the process to change the firewall settings

Query of malicious DNS domain

Sending a TCP request to an infection source

Unauthorized injection to a system process

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm bladabindi cmd evasive explorer fingerprint fingerprint keylogger lolbin msconfig netsh njrat rat rundll32 schtasks stealer update vbnet winnti

Link:

https://www.filescan.io/uploads/666dd103ef9fdf64aa6b91ec/reports/97569296-9907-456d-8909-81c902e57a86/overview

Verdict:

Malicious

Labled as:

MSIL.Krypt.Generic

Link:

https://www.hybrid-analysis.com/sample/a689b16dd9bfa6277ec62d9d0767b91326b3912066934a95c95f0a4ed0f57960

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/6307201c-2ff2-4c84-91ac-62753b1ad713

Result

Threat name:

Njrat

Detection:

malicious

Classification:

spre.phis.troj.adwa.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1457835

Signature

.NET source code contains potential unpacker

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Connects to many ports of the same IP (likely port scanning)

Contains functionality to disable the Task Manager (.Net Source)

Contains functionality to spread to USB devices (.Net source)

Disables zone checking for all users

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)

Modifies the windows firewall

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for dropped file

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

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a689b16dd9bfa6277ec62d9d0767b91326b3912066934a95c95f0a4ed0f57960

Detection:

njrat

Link:

https://mwdb.cert.pl/sample/a689b16dd9bfa6277ec62d9d0767b91326b3912066934a95c95f0a4ed0f57960/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2024-06-13 00:47:00 UTC

File Type:

PE (.Net Exe)

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=u2e3c3ozx6tco7wgfwoqoz5zcmtlhejam2juvfojl4fe5uhvpfqa._file

Verdict:

malicious

Label(s):

njrat

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:mybot evasion trojan

Link:

https://tria.ge/reports/240615-v6j5ksyfjd/

Behaviour

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in Windows directory

Legitimate hosting services abused for malware hosting/C2

Checks computer location settings

Drops startup file

Executes dropped EXE

Modifies Windows Firewall

njRAT/Bladabindi

Malware Config

C2 Extraction:

hakim32.ddns.net:2000
0.tcp.eu.ngrok.io:15683

Unpacked files

SH256 hash:

a689b16dd9bfa6277ec62d9d0767b91326b3912066934a95c95f0a4ed0f57960

MD5 hash:

5e07420af030f60aaa585125ee30d12f

SHA1 hash:

7d9730f1e72bf2b7a6ef84886e2444e0aca30d1d

Detections:

Njrat

MALWARE_Win_NjRAT

CN_disclosed_20180208_c

MAL_Winnti_Sample_May18_1

Link:

https://www.unpac.me/results/5c15248e-5288-43e8-8b2c-bd730364d7ba/

Malware family:

njRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a689b16dd9bf/report/overview.html

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/a689b16dd9bfa6277ec62d9d0767b91326b3912066934a95c95f0a4ed0f57960

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 (Nextron Systems)
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:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

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 / NjRAT Golden

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

Rule name:	MAL_Winnti_Sample_May18_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:	https://401trg.pw/burning-umbrella/

Rule name:	MAL_Winnti_Sample_May18_1_RID3003 Create hunting rule
Author:	Florian Roth
Description:	Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:	https://401trg.pw/burning-umbrella/

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

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:	SUSP_netsh_firewall_command Create hunting rule
Author:	SECUINFRA Falcon Team

Rule name:	Windows_Trojan_Njrat_30f3c220 Create hunting rule

Rule name:	Windows_Trojan_Njrat_30f3c220 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Njrat_eb2698d2 Create hunting rule
Author:	Elastic Security

Rule name:	win_njrat_strings_oct_2023 Create hunting rule
Author:	Matthew @ Embee_Research

File information

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

No further information available

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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