MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 81555cdfe492a834cb049104dce9ada22f0221ea5b5ba92a580de6565722e30d. 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
| SHA256 hash: | 81555cdfe492a834cb049104dce9ada22f0221ea5b5ba92a580de6565722e30d |
|---|---|
| SHA3-384 hash: | 4cb1d0d290207a008b1c033e602e0ad844b5603c5944b20d784840f6d6a783a3b60a8914e230bb9933d31110c334f83c |
| SHA1 hash: | 58aeba352113f05d4eb6500a01c5f2d72ea975a9 |
| MD5 hash: | 470ae272f94e6be25446be3953016b31 |
| humanhash: | rugby-hydrogen-ink-low |
| File name: | 470ae272f94e6be25446be3953016b31.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 308'224 bytes |
| First seen: | 2025-02-15 16:55:11 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'245 x AgentTesla, 20'500 x Formbook, 12'374 x SnakeKeylogger) |
| ssdeep | 1536:sNwl1qZe9sA+gRJNuB7v1UmWWyloakLx98HosQoRXyUMMAc:sNwjqcz+yJUt7akLxaIyA |
| Threatray | 435 similar samples on MalwareBazaar |
| TLSH | T1F064D43A226B517BF46D76F94C91BB2A09E4C0E11533BADBEFE4304DDA122C05AF85D4 |
| 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): |  |
| dhash icon | 20cd32a8caca2582 (1 x njrat) |
| Reporter |  abuse_ch |
| Tags: | exe NjRAT RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 147.185.221.25:49564 | https://threatfox.abuse.ch/ioc/1413060/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
584
Origin country :
NLVendor Threat Intelligence
Malware family:
njrat
ID:
1
File name:
470ae272f94e6be25446be3953016b31.exe
Verdict:
Malicious activity
Analysis date:
2025-02-15 17:02:30 UTC
Tags:
rat njrat bladabindi 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
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 to an infection source
Using the Windows Management Instrumentation requests
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
backdoor bladabindi cmd config-extracted explorer fingerprint krypt lolbin netsh njrat njrat obfuscated obfuscated rat vbnet windows
Verdict:
Malicious
Labled as:
Worm.Bladabindi
Malware family:
Mimikatz
Verdict:
Malicious
Result
Threat name:
Njrat
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
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-02-13 17:57:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
33 of 37 (89.19%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 425 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:hacked defense_evasion discovery persistence privilege_escalation
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Adds Run key to start application
Drops startup file
Downloads MZ/PE file
Modifies Windows Firewall
Malware Config
C2 Extraction:
sites-ascii.gl.at.ply.gg:49564
Verdict:
Malicious
Tags:
rat njrat Win.Packed.Bladabindi-7994427-0 bladabindi
YARA:
Windows_Trojan_Njrat_30f3c220 MALWARE_Win_NjRAT
Unpacked files
SH256 hash:
81555cdfe492a834cb049104dce9ada22f0221ea5b5ba92a580de6565722e30d
MD5 hash:
470ae272f94e6be25446be3953016b31
SHA1 hash:
58aeba352113f05d4eb6500a01c5f2d72ea975a9
Detections:
win_njrat_g1
win_njrat_w1
NjRat
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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.
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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