MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44bd9d6a498ed0771813194e7a426f05f75ac96525518075c032bd74cc81a127. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments

SHA256 hash: 44bd9d6a498ed0771813194e7a426f05f75ac96525518075c032bd74cc81a127
SHA3-384 hash: 9ea63df53cee456cdfe7b3f24057c1f24665515a113ae7bfbb65897aafff19bdd0cb8ddd453718ca105d529ff7fec036
SHA1 hash: d4f8b167bfc2593c97a6a709df84202867dc2788
MD5 hash: 597241ee8079b65ccfe7e48d46d6317c
humanhash: jupiter-autumn-magnesium-virginia
File name:bTaz.exe
Download: download sample
Signature njrat
File size:32'768 bytes
First seen:2024-01-18 20:07:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:A0bUe5XB4e0XnOZcc6WQzuWTJtTUFQqz9FObbl:lT9BuOOcrQ5bbl
TLSH T185E217467BA58125C2AC6AFC8CB303200772E3478532EB6F5CDC98CA5B676D05251EFE
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter pmelson
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
433
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd keylogger lolbin njrat
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:
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
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
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:
2024-01-18 20:08:06 UTC
File Type:
PE (.Net Exe)
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:nyan cat trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
njRAT/Bladabindi
Malware Config
C2 Extraction:
oswecua.duckdns.org:2054
127.0.0.1:5552
Unpacked files
SH256 hash:
44bd9d6a498ed0771813194e7a426f05f75ac96525518075c032bd74cc81a127
MD5 hash:
597241ee8079b65ccfe7e48d46d6317c
SHA1 hash:
d4f8b167bfc2593c97a6a709df84202867dc2788
Detections:
win_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: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:win_njrat_bytecodes_V2_oct_2023
Author:Matthew @ Embee_Research
Rule name:yarahub_win_njrat_bytecodes_V2_oct_2023
Author:Matthew @ Embee_Research

File information


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

Web download

njrat

Executable exe 44bd9d6a498ed0771813194e7a426f05f75ac96525518075c032bd74cc81a127

(this sample)

Comments