MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc4ec627794ebf4776775aecb699ed72050b79df0c0f128d9513d40d3389874e. 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 1 YARA 15 File information Comments

SHA256 hash: fc4ec627794ebf4776775aecb699ed72050b79df0c0f128d9513d40d3389874e
SHA3-384 hash: 1b7ed622016603f8560cfbc57589bd282f65f720c402b806e02e70fe38bb67d65c5dda77665b2a07d4072b275f9b1738
SHA1 hash: 85dcc44cf45c35192f31ab904286cb553e64541a
MD5 hash: 089d349e207ec8dd29015bdaaa873538
humanhash: nineteen-april-don-connecticut
File name:089d349e207ec8dd29015bdaaa873538.exe
Download: download sample
Signature njrat
File size:75'776 bytes
First seen:2025-07-13 00:45:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 768:QkWkk491twjrPSbWto5IrM+rMRa8Nuz+tH:fWkk491OjGbW+5T+gRJN0
Threatray 509 similar samples on MalwareBazaar
TLSH T18F732A497BE18568C4BD167B09B2D4320776EC4B5E23C90E9EE17D9F37732C18B50AA2
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
dhash icon 0000000000000000 (898 x AgentTesla, 540 x Formbook, 316 x RedLineStealer)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
49.228.131.157:6760

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
49.228.131.157:6760 https://threatfox.abuse.ch/ioc/1556321/

Intelligence


File Origin
# of uploads :
1
# of downloads :
67
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
089d349e207ec8dd29015bdaaa873538.exe
Verdict:
Malicious activity
Analysis date:
2025-07-13 00:46:18 UTC
Tags:
auto-startup rat njrat bladabindi auto-reg remote backdoor

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
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Creating a window
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Found malware configuration
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
Protects its processes via BreakOnTermination flag
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735007 Sample: GmLGa0j1pB.exe Startdate: 13/07/2025 Architecture: WINDOWS Score: 100 37 xntryz.thddns.net 2->37 41 Suricata IDS alerts for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 49 9 other signatures 2->49 9 GmLGa0j1pB.exe 1 6 2->9         started        12 obs-camera-flip.exe 3 2->12         started        14 obs-camera-flip.exe 2 2->14         started        16 obs-camera-flip.exe 2 2->16         started        signatures3 47 Uses dynamic DNS services 37->47 process4 file5 31 C:\ProgramData\obs-camera-flip.exe, PE32 9->31 dropped 33 C:\Users\user\AppData\...behaviorgraphmLGa0j1pB.exe.log, ASCII 9->33 dropped 35 C:\...\obs-camera-flip.exe:Zone.Identifier, ASCII 9->35 dropped 18 obs-camera-flip.exe 2 6 9->18         started        process6 dnsIp7 39 xntryz.thddns.net 49.228.131.157, 49721, 49723, 49724 AIS-FIBRE-AS-APAISFibreTH Thailand 18->39 27 C:\...\4df8451909be47184b4802149c74945e.exe, PE32 18->27 dropped 29 4df8451909be47184b...exe:Zone.Identifier, ASCII 18->29 dropped 51 Antivirus detection for dropped file 18->51 53 Multi AV Scanner detection for dropped file 18->53 55 Protects its processes via BreakOnTermination flag 18->55 57 4 other signatures 18->57 23 netsh.exe 2 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Verdict:
njRat
YARA:
9 match(es)
Tags:
.Net Executable njRat PE (Portable Executable) RAT SOS: 0.04 Win 32 Exe x86
Malware Config
C2 Extraction:
CNC: xntryz.thddns.net
PORT: 6760
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-07-10 10:49:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:xntryz defense_evasion discovery persistence privilege_escalation
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
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
Malware Config
C2 Extraction:
xntryz.thddns.net:6760
Verdict:
Malicious
Tags:
rat njrat Win.Dropper.Nanocore-10030076-0 Bladabindi
YARA:
ByteCode_MSIL_Backdoor_NjRAT MALWARE_Win_NjRAT Windows_Trojan_Njrat_30f3c220
Unpacked files
SH256 hash:
fc4ec627794ebf4776775aecb699ed72050b79df0c0f128d9513d40d3389874e
MD5 hash:
089d349e207ec8dd29015bdaaa873538
SHA1 hash:
85dcc44cf45c35192f31ab904286cb553e64541a
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: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:njrat_
Author:Michelle Khalil
Description:This rule detects unpacked njrat malware samples.
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Author:SECUINFRA Falcon Team
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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.

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