MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fca400630d230f655c956eb8eaa44d8cac3953386743def05a81c97d769ace10. 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: 20


Intelligence 20 IOCs 1 YARA 20 File information Comments

SHA256 hash: fca400630d230f655c956eb8eaa44d8cac3953386743def05a81c97d769ace10
SHA3-384 hash: 642d4e937c415c945ade295af11cfea61f2576c63fab997da17c9178d2f9499c00e088632c327a8d69ab2d9d5802139f
SHA1 hash: 5e39b58a80bb2ef65d152a7d00dd0e02f45af2b9
MD5 hash: f068b84fda2e74c3c62c929bb092f280
humanhash: magazine-mockingbird-white-high
File name:f068b84fda2e74c3c62c929bb092f280.exe
Download: download sample
Signature njrat
File size:24'064 bytes
First seen:2025-08-01 12:25:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'873 x AgentTesla, 19'796 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 384:koWSkWHa55BgDVRGipkItzY6vZg36Eh7FpmRvR6JZlbw8hqIusZzZa1:TJuk9pHRpcnuJ
Threatray 288 similar samples on MalwareBazaar
TLSH T136B22A4E3FA98852D5BC1B7486A5965003B4D1874423EE2FCCC560CBAFB3BD91D48AF9
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
41.103.158.248:999

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
41.103.158.248:999 https://threatfox.abuse.ch/ioc/1563114/

Intelligence


File Origin
# of uploads :
1
# of downloads :
154
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
f068b84fda2e74c3c62c929bb092f280.exe
Verdict:
Malicious activity
Analysis date:
2025-08-01 12:26:43 UTC
Tags:
rat njrat bladabindi auto-startup 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
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bladabindi cmd config-extracted fingerprint lolbin netsh njrat njrat rat reconnaissance vbnet windows
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 autostart registry keys with suspicious names
Disables zone checking for all users
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
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1748439 Sample: CyviayKtMO.exe Startdate: 01/08/2025 Architecture: WINDOWS Score: 100 33 volkatv500.sytes.net 2->33 37 Suricata IDS alerts for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 9 other signatures 2->43 9 CyviayKtMO.exe 1 5 2->9         started        12 winheP.bat 2 2->12         started        14 winheP.bat 3 2->14         started        16 winheP.bat 2 2->16         started        signatures3 process4 file5 29 C:\Users\user\AppData\Roaming\winheP.bat, PE32 9->29 dropped 31 C:\Users\user\AppData\...\CyviayKtMO.exe.log, ASCII 9->31 dropped 18 winheP.bat 4 5 9->18         started        process6 dnsIp7 35 volkatv500.sytes.net 41.103.158.248, 49690, 999 ALGTEL-ASDZ Algeria 18->35 27 C:\...\1d65de03b06fa0914dd0c3c9d751766e.exe, PE32 18->27 dropped 45 Antivirus detection for dropped file 18->45 47 Multi AV Scanner detection for dropped file 18->47 49 Disables zone checking for all users 18->49 51 4 other signatures 18->51 23 netsh.exe 2 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Verdict:
njRat
YARA:
14 match(es)
Tags:
.Net Executable njRat PE (Portable Executable) RAT SOS: 0.27 Win 32 Exe x86
Malware Config
C2 Extraction:
CNC: volkatv500.sytes.net
PORT: 999
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-07-24 03:50:00 UTC
AV detection:
36 of 37 (97.30%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:vip@2025 defense_evasion discovery persistence privilege_escalation trojan
Behaviour
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
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
volkatv500.sytes.net:999
Verdict:
Malicious
Tags:
rat njrat Win.Packed.Generic-9795615-0
YARA:
JPCERTCC_Njrat MALWARE_Win_NjRAT MAL_Njrat Windows_Trojan_Njrat_30f3c220 malware_Njrat_strings win_njrat_strings_oct_2023
Unpacked files
SH256 hash:
fca400630d230f655c956eb8eaa44d8cac3953386743def05a81c97d769ace10
MD5 hash:
f068b84fda2e74c3c62c929bb092f280
SHA1 hash:
5e39b58a80bb2ef65d152a7d00dd0e02f45af2b9
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: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: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:njrat_
Author:Michelle Khalil
Description:This rule detects unpacked njrat malware samples.
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: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_bytecodes_oct_2023
Author:Matthew @ Embee_Research
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.

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