MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e4aa0e3181c96b6001135a8f5cdf00a041ad0e0cb6f61385b5942aae3e194bd. 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: 18


Intelligence 18 IOCs YARA 11 File information Comments

SHA256 hash: 2e4aa0e3181c96b6001135a8f5cdf00a041ad0e0cb6f61385b5942aae3e194bd
SHA3-384 hash: 26fdc0970f778a83b423c6679bf0c36f9966b12c4667a35f6a8fe02ad15febeaa043742b2f728fad695893662b9f1e0c
SHA1 hash: c82c4ae9d598cd470d79a720e9e7fda359679ef9
MD5 hash: 4e4859aafd131ec0d377d927d9101c9c
humanhash: alaska-foxtrot-stairway-september
File name:filename.exe
Download: download sample
Signature njrat
File size:37'888 bytes
First seen:2023-10-31 17:31:09 UTC
Last seen:Never
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:cOSvEiTbTvpWNcZ0y8fvCv3v3cLkacparAF+rMRTyN/0L+EcoinblneHQM3epzXf:dS7TZ38fvCv3E1cQrM+rMRa8NuNRt
Threatray 1'352 similar samples on MalwareBazaar
TLSH T1ED032A4D7FE18168D5FD067B05B2D412077AE04B6E23D90E8EF664AA37636C18B50EF2
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adm1n_usa32
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
398
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
filename.exe
Verdict:
Malicious activity
Analysis date:
2023-10-31 17:30:27 UTC
Tags:
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 process with a hidden window
Enabling the 'hidden' option for analyzed file
Creating a window
Searching for synchronization primitives
DNS request
Sending a custom TCP request
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd explorer fingerprint greyware keylogger lolbin lolbin netsh njrat packed rat replace stealer
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.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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Ratenjay
Status:
Malicious
First seen:
2023-10-29 18:09:32 UTC
AV detection:
34 of 36 (94.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Modifies Windows Firewall
Malware Config
C2 Extraction:
4.tcp.eu.ngrok.io:19701
Unpacked files
SH256 hash:
2e4aa0e3181c96b6001135a8f5cdf00a041ad0e0cb6f61385b5942aae3e194bd
MD5 hash:
4e4859aafd131ec0d377d927d9101c9c
SHA1 hash:
c82c4ae9d598cd470d79a720e9e7fda359679ef9
Detections:
NjRat win_njrat_w1 win_njrat_g1
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: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: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:SUSP_netsh_firewall_command
Author:SECUINFRA Falcon Team
Rule name:SUSP_Ngrok_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
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.

Comments