MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cda93c7bdf9531aad606df7e3b9485ae8fffb3d3480d24c3f9d12ac203ca1ec. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments 1

SHA256 hash: 3cda93c7bdf9531aad606df7e3b9485ae8fffb3d3480d24c3f9d12ac203ca1ec
SHA3-384 hash: d5ffa32542c74f7bc2e18ca2bae9176944a21d9188d45b9b6b5df3bfdf457f248cee5b30bcbfa5a54290096966afcddd
SHA1 hash: f3dfceb676b16e6a4327ab557baba96f1930b7e2
MD5 hash: 217c4f4c7f4e70b2576bab1bd027b2cb
humanhash: salami-carbon-xray-fourteen
File name:217c4f4c7f4e70b2576bab1bd027b2cb
Download: download sample
Signature njrat
File size:37'888 bytes
First seen:2022-07-19 10:07:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:GrC1MiLhBndznNCyMGmFgCHdPc2iXfsrAF+rMRTyN/0L+EcoinblneHQM3epzXoe:vHRNRMGmFxJ9iPsrM+rMRa8Nu+qt
Threatray 1'058 similar samples on MalwareBazaar
TLSH T168033A4D7BF18168C5FE457B06B2D41207BAE04F6E23D90E8EE564AA37636C08B54EF1
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter zbetcheckin
Tags:32 exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
build.exe
Verdict:
Malicious activity
Analysis date:
2022-07-18 15:32:06 UTC
Tags:
loader

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
Enabling the 'hidden' option for analyzed file
Creating a file in the Windows directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
DNS request
Launching the process to change the firewall settings
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe fingerprint greyware keylogger njrat packed rat 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.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)
Detected njRat
Drops executables to the windows directory (C:\Windows) and starts them
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 Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-07-18 19:58:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:тест evasion trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
6.tcp.eu.ngrok.io:12088
Unpacked files
SH256 hash:
3cda93c7bdf9531aad606df7e3b9485ae8fffb3d3480d24c3f9d12ac203ca1ec
MD5 hash:
217c4f4c7f4e70b2576bab1bd027b2cb
SHA1 hash:
f3dfceb676b16e6a4327ab557baba96f1930b7e2
Detections:
win_njrat_g1 win_njrat_w1
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:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
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: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.

Web download

njrat

Executable exe 3cda93c7bdf9531aad606df7e3b9485ae8fffb3d3480d24c3f9d12ac203ca1ec

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-07-19 10:07:40 UTC

url : hxxp://f0655589.xsph.ru/crypt/Server.exe