MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6cbeec3d5e443abf3dd88847fa7ba3e4cc716ceb39f1bb514e32b9295dbc8529. 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: 17


Intelligence 17 IOCs YARA 14 File information Comments

SHA256 hash: 6cbeec3d5e443abf3dd88847fa7ba3e4cc716ceb39f1bb514e32b9295dbc8529
SHA3-384 hash: 76f853fc236e0da7b8e472820b7f5e30bbd5b4a3d982fd839e0b852ca31dcdadd06a766531eea8f8092d5ed0b1327608
SHA1 hash: 12efc094c2b3e1f1da263751baeb918e892faf2c
MD5 hash: 6932b7496923927a168f33e9c584df04
humanhash: nineteen-vermont-blue-october
File name:fusca game.exe
Download: download sample
Signature njrat
File size:240'640 bytes
First seen:2024-12-16 06:19:18 UTC
Last seen:2025-02-05 07:59:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'855 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 1536:IUr5W+qXYW+g+gRJNSwEqU0K2p5Adc6i6UxUFC5AFN:IUr0+hI+yJgbqAdo6UxUFQQ
Threatray 1'486 similar samples on MalwareBazaar
TLSH T14C347E4E3FE1D018C67D197B1DF1CA110276ED467E23E60ADEE13A59AB33686CE902D1
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 488472e9d0e40080 (1 x njrat)
Reporter lontze7
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
16
# of downloads :
396
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
4363463463464363463463463.exe
Verdict:
Malicious activity
Analysis date:
2024-11-16 19:55:40 UTC
Tags:
stealer stealc loader github hausbomber dcrat miner phorpiex opendir amadey botnet

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
bladabindi autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Enabling the 'hidden' option for analyzed file
Creating a window
Searching for synchronization primitives
Connection attempt
Modifying a system file
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
backdoor bladabindi cmd explorer fingerprint keylogger lolbin lolbin netsh njrat rat vbnet windows
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:
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1575630 Sample: fusca game.exe Startdate: 16/12/2024 Architecture: WINDOWS Score: 100 29 time.windows.com 2->29 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for dropped file 2->37 39 14 other signatures 2->39 8 fusca game.exe 3 6 2->8         started        13 fusca game.exe 3 2->13         started        15 fusca game.exe 2 2->15         started        17 fusca game.exe 2 2->17         started        signatures3 process4 dnsIp5 31 127.0.0.1 unknown unknown 8->31 23 C:\...\220fe34d4dcc4a99fe35d2fb7ce78939.exe, PE32 8->23 dropped 25 220fe34d4dcc4a99fe...exe:Zone.Identifier, ASCII 8->25 dropped 41 Creates autostart registry keys with suspicious names 8->41 19 netsh.exe 2 8->19         started        27 C:\Users\user\AppData\...\fusca game.exe.log, ASCII 13->27 dropped file6 signatures7 process8 process9 21 conhost.exe 19->21         started       
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2022-11-30 06:45:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:client discovery evasion persistence privilege_escalation
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Adds Run key to start application
Drops startup file
Modifies Windows Firewall
Malware Config
C2 Extraction:
127.0.0.1:2022
Verdict:
Malicious
Tags:
rat njrat Win.Packed.Bladabindi-7994427-0
YARA:
Windows_Trojan_Njrat_30f3c220 MALWARE_Win_NjRAT
Unpacked files
SH256 hash:
6cbeec3d5e443abf3dd88847fa7ba3e4cc716ceb39f1bb514e32b9295dbc8529
MD5 hash:
6932b7496923927a168f33e9c584df04
SHA1 hash:
12efc094c2b3e1f1da263751baeb918e892faf2c
Detections:
NjRat win_njrat_w1 win_njrat_g1
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ByteCode_MSIL_Backdoor_NjRAT
Author:ReversingLabs
Description:Yara rule that detects NjRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:Mal_WIN_NjRAT_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect NjRAT implant.
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
Rule name:win_njrat_w1
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

Executable exe 6cbeec3d5e443abf3dd88847fa7ba3e4cc716ceb39f1bb514e32b9295dbc8529

(this sample)

  
Delivery method
Distributed via web download

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments