MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd0034d34e27eec19757f2d0b46c617fad9f461380aae7c79cb9cfd5f1df0a45. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash: dd0034d34e27eec19757f2d0b46c617fad9f461380aae7c79cb9cfd5f1df0a45
SHA3-384 hash: 3f6ef5319a6bbfd8decd4697fec57cb9c73d6c0161a1c9f0b179e40a1b1b85b18815b408acfd46971d37028349baf8a6
SHA1 hash: 73133c431a8c71169360f21d35d6344fde64eaa5
MD5 hash: 7a600673fe654d9d4f91339239c9b843
humanhash: london-ceiling-july-hot
File name:VtE51gfw.exe
Download: download sample
Signature njrat
File size:33'280 bytes
First seen:2020-09-29 01:17:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:yJwN/ZVwBM0UcncbwndwkJIw3ccrfLmzr:Ra6cc8G4Iw3cafCzr
Threatray 53 similar samples on MalwareBazaar
TLSH 22E2F94C73A48923C6BE47B84E70954247F1914B5522EFAF8EC560DA1EA7BE41E00EF7
Reporter pmelson
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
DNS request
Connection attempt
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
Result
Threat name:
Detection:
malicious
Classification:
spre.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
Contains functionality to log keystrokes (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Creates autostart registry keys with suspicious names
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
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 290952 Sample: VtE51gfw.exe Startdate: 29/09/2020 Architecture: WINDOWS Score: 100 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 8 other signatures 2->35 8 VtE51gfw.exe 3 4 2->8         started        11 svhost.exe 2 2->11         started        13 svhost.exe 2 2->13         started        15 svhost.exe 2 2->15         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 8->25 dropped 17 svhost.exe 4 4 8->17         started        process5 dnsIp6 27 kalilinux099.hopto.org 103.244.175.116, 4444 CYBERNET-APCyberInternetServicesPvtLtdPK Pakistan 17->27 37 Antivirus detection for dropped file 17->37 39 Multi AV Scanner detection for dropped file 17->39 41 Machine Learning detection for dropped file 17->41 43 Creates autostart registry keys with suspicious names 17->43 21 netsh.exe 3 17->21         started        signatures7 process8 process9 23 conhost.exe 21->23         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2020-09-29 01:19:04 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
dd0034d34e27eec19757f2d0b46c617fad9f461380aae7c79cb9cfd5f1df0a45
MD5 hash:
7a600673fe654d9d4f91339239c9b843
SHA1 hash:
73133c431a8c71169360f21d35d6344fde64eaa5
Detections:
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:Andromeda_MalBot_Jun_1A
Author:Florian Roth
Description:Detects a malicious Worm Andromeda / RETADUP
Reference:http://blog.trendmicro.com/trendlabs-security-intelligence/information-stealer-found-hitting-israeli-hospitals/
Rule name:CN_disclosed_20180208_c
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
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

njrat

Executable exe dd0034d34e27eec19757f2d0b46c617fad9f461380aae7c79cb9cfd5f1df0a45

(this sample)

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