MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d5e81d3d165035999f9c33f5f379acbc4c4e8cfafa2ecef9763f60e94984587. 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: 16


Intelligence 16 IOCs YARA 22 File information Comments

SHA256 hash: 9d5e81d3d165035999f9c33f5f379acbc4c4e8cfafa2ecef9763f60e94984587
SHA3-384 hash: d81f93eb85b71be6cb87f3824f307c7fb64a6df5a051285eb5ce4e12ba4f81841bb8b98c470eb084db184f2661910b35
SHA1 hash: c992050d27f7d44d11bf0af36ae0364555e8ef9b
MD5 hash: 746788dfe51900ef82589acdb5b5ea38
humanhash: magazine-orange-cold-seven
File name:WindowsServices.exe
Download: download sample
Signature njrat
File size:49'152 bytes
First seen:2025-03-04 03:14:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'855 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 768:DzbDJdHBPC9nb1SpBuBXU1Lf8yKs590TRXZ66QDY/X9u0hcbXlyU:nPJdHBPQnb1SgCLf8yKfKY/Xg8cbXly
Threatray 8 similar samples on MalwareBazaar
TLSH T1BA232A4973D59525C5FD9E348565A20207BAB20BAC1FFB0D0CDADCE92BB77D10D00AEA
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter skocherhan
Tags:exe github-BARHOM1 NjRAT


Avatar
skocherhan
https://github.com/BARHOM1/brobr/raw/main/WindowsServices.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
478
Origin country :
GB GB
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
bladabindi autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
Creating a file in the Windows directory
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process with a hidden window
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm bladabindi cmd explorer fingerprint lolbin netsh njrat obfuscated obfuscated rat reconnaissance schtasks 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:
phis.troj.adwa.spyw.evad
Score:
100 / 100
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 an autostart registry key pointing to binary in C:\Windows
Disables zone checking for all users
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Joe Sandbox ML detected suspicious 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:
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2023-05-12 05:38:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:hacked defense_evasion discovery persistence privilege_escalation trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Drops file in Windows directory
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
Njrat family
njRAT/Bladabindi
Verdict:
Malicious
Tags:
rat njrat Win.Packed.Generic-9795615-0
YARA:
malware_Njrat_strings win_njrat_strings_oct_2023 Windows_Trojan_Njrat_30f3c220 Windows_Trojan_Njrat_eb2698d2 MAL_Njrat MALWARE_Win_NjRAT JPCERTCC_Njrat
Unpacked files
SH256 hash:
9d5e81d3d165035999f9c33f5f379acbc4c4e8cfafa2ecef9763f60e94984587
MD5 hash:
746788dfe51900ef82589acdb5b5ea38
SHA1 hash:
c992050d27f7d44d11bf0af36ae0364555e8ef9b
Detections:
win_njrat_g1 win_njrat_w1 NjRat
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:CN_disclosed_20180208_c
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
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
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_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:Mal_WIN_NjRAT_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect NjRAT implant.
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Author:SECUINFRA Falcon Team
Rule name:SUSP_VBS_Wscript_Shell
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_eb2698d2
Author:Elastic Security
Rule name:win_njrat_strings_oct_2023
Author:Matthew @ Embee_Research
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 9d5e81d3d165035999f9c33f5f379acbc4c4e8cfafa2ecef9763f60e94984587

(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