MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a72215f71cc5fe73bacc1a7735dd6cd79587373ca54d4648de9bf9173a21b8a5. 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


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: a72215f71cc5fe73bacc1a7735dd6cd79587373ca54d4648de9bf9173a21b8a5
SHA3-384 hash: 747831e19f26dfc3901a5206031c0f7c8c9113984d527cbdf8d16818ee9f6b849306ed76b52604ef159ca63705a7f5de
SHA1 hash: 977f1f44aa5522a412762b93aa8245593fd5c312
MD5 hash: 3680f93227f919ccdfb9ddf687ad0bce
humanhash: diet-fix-zulu-pasta
File name:njx.exe
Download: download sample
Signature njrat
File size:32'768 bytes
First seen:2022-10-22 21:03:17 UTC
Last seen:2024-09-12 15:39:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:40bUe5XB4e0XtOdwc6WQzTWTAtTUFQqz9AObba:NT9BuUucrQlmba
Threatray 378 similar samples on MalwareBazaar
TLSH T120E218463BA58225C2BD6AFC8CB303210772E3478532EB6F5CDC58DA4B676D05251EFA
TrID 48.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.6% (.SCR) Windows screen saver (13101/52/3)
6.9% (.EXE) Win64 Executable (generic) (10523/12/4)
4.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter 0xToxin
Tags:91.213.50.74 exe njnjs-duckdns-org NjRAT NYAN CAT opendir


Avatar
0xToxin
http://91.213.50.74/new/mofers/njx.txt

Intelligence


File Origin
# of uploads :
5
# of downloads :
294
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
njx.exe
Verdict:
Malicious activity
Analysis date:
2022-10-22 21:04:21 UTC
Tags:
trojan rat njrat bladabindi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd.exe greyware njrat packed rat
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:
troj.spyw.evad
Score:
88 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Machine Learning detection for sample
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-10-22 21:12:48 UTC
File Type:
PE (.Net Exe)
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:nyan cat
Behaviour
Suspicious use of AdjustPrivilegeToken
Malware Config
C2 Extraction:
njnjs.duckdns.org:35999
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a72215f71cc5fe73bacc1a7735dd6cd79587373ca54d4648de9bf9173a21b8a5
MD5 hash:
3680f93227f919ccdfb9ddf687ad0bce
SHA1 hash:
977f1f44aa5522a412762b93aa8245593fd5c312
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments