MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 51707360e28aa57ec8a8d7f42bc7c9ffe8969b5d19bf39a700cde35c0e4d3846. 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: 9
| SHA256 hash: | 51707360e28aa57ec8a8d7f42bc7c9ffe8969b5d19bf39a700cde35c0e4d3846 |
|---|---|
| SHA3-384 hash: | 8a5477fda76c1668eaf2d6d98ae411c2059924198a836df1e28684951f712f6a9d3f3f84144db36c6e73a8793f2c9476 |
| SHA1 hash: | dc5fe5105a4b35852e315e344b82ce94fcd8cc26 |
| MD5 hash: | a60bfbefe41676b73bf16c7948dc8306 |
| humanhash: | maine-network-magnesium-freddie |
| File name: | 4DeAAEm3.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 37'888 bytes |
| First seen: | 2020-09-25 18:02:21 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 384:SkevEiTblvpWNcZ0y8fJCtTHVGLkC+xArAF+rMRTyN/0L+EcoinblneHQM3epzXA:teBTZ38fJCtT0d+irM+rMRa8Nuzat |
| Threatray | 68 similar samples on MalwareBazaar |
| TLSH | CE032B4D7FE18168C5FD067B05B2D412077AE04B6E23DA1E8EF564AA37636C18B50EF2 |
| Reporter |  pmelson |
| Tags: | exe NjRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Enabling the 'hidden' option for analyzed file
Creating a file in the %AppData% 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
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching a process
Creating a file in the %temp% directory
Deleting a recently created file
Reading critical registry keys
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
njRat BrowserPasswordDump Tool
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)
Contains functionality to steal Internet Explorer form passwords
Creates autostart registry keys with suspicious names
Detected njRat
Drops PE files to the startup folder
Injects a PE file into a foreign processes
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 submitted file
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Instant Messenger accounts or passwords
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected BrowserPasswordDump Tool by SecurityXploded
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2020-09-25 18:04:05 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 58 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
upx spyware evasion persistence
Behaviour
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Executes dropped EXE
Modifies Windows Firewall
UPX packed file
Unpacked files
SH256 hash:
51707360e28aa57ec8a8d7f42bc7c9ffe8969b5d19bf39a700cde35c0e4d3846
MD5 hash:
a60bfbefe41676b73bf16c7948dc8306
SHA1 hash:
dc5fe5105a4b35852e315e344b82ce94fcd8cc26
Detections:
win_njrat_w1
win_njrat_g1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
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: | win_njrat_w1 |
|---|---|
| Author: | Brian Wallace @botnet_hunter |
| Description: | Identify njRat |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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