MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65439e1ba65950fc678c09e45679444e67d02ace8bb4fbb6f7ac4dc1d12138e9. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65439e1ba65950fc678c09e45679444e67d02ace8bb4fbb6f7ac4dc1d12138e9
SHA3-384 hash: f7629a02159206ff617428e8c0c8cf30f4b7f822932fcce348b42f7e31ad6680cff162096a0ebb632d6c1f4fbd21e848
SHA1 hash: 1400f890e08baab910770f881336ee9a98c6c95a
MD5 hash: aa02ffcdd9be18725d8692f63c417f60
humanhash: virginia-cat-carolina-winner
File name:tmppctljblp.vbs
Download: download sample
Signature njrat
Create hunting rule
File size:146'160 bytes
First seen:2023-01-26 08:06:45 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:tEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEPEEEEEEEEEkEEEEEEEj:rP+bhDF
Threatray 792 similar samples on MalwareBazaar
TLSH T1D9E3C05538DE5C4D2362AB932FEBF6BE48BEF66340E921BD10415A0A47D1D10BE127F2
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter 0xToxin
Tags:NjRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
132
Origin country :
IL IL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/357028/
Detection(s):
SecuriteInfo.com.PUA.Base64EXE-2.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
50%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/63d234b02b351a3d0ea8ff58/reports/27c1a892-7d3e-45a1-85ea-452c0cfe3327/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1159361
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Suspicious powershell command line found
Uses dynamic DNS services
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 792100 Sample: tmppctljblp.vbs Startdate: 26/01/2023 Architecture: WINDOWS Score: 100 30 fortuna777.duckdns.org 2->30 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 8 other signatures 2->44 10 wscript.exe 1 2->10         started        signatures3 process4 signatures5 46 VBScript performs obfuscated calls to suspicious functions 10->46 48 Suspicious powershell command line found 10->48 50 Wscript starts Powershell (via cmd or directly) 10->50 52 Very long command line found 10->52 13 powershell.exe 7 10->13         started        process6 signatures7 54 Suspicious powershell command line found 13->54 56 Obfuscated command line found 13->56 58 Very long command line found 13->58 16 powershell.exe 14 7 13->16         started        19 conhost.exe 13->19         started        process8 signatures9 34 Writes to foreign memory regions 16->34 36 Injects a PE file into a foreign processes 16->36 21 RegAsm.exe 2 2 16->21         started        24 MpCmdRun.exe 1 16->24         started        26 RegAsm.exe 16->26         started        process10 dnsIp11 32 fortuna777.duckdns.org 46.246.82.5, 1994, 49717, 49718 PORTLANEwwwportlanecomSE Sweden 21->32 28 conhost.exe 24->28         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65439e1ba65950fc678c09e45679444e67d02ace8bb4fbb6f7ac4dc1d12138e9/
Threat name:
Script-WScript.Dropper.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2023-01-26 08:07:10 UTC
File Type:
Text (VBS)
AV detection:
9 of 39 (23.08%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mvbz4g5glfipyz4mbhsfm6kejzt5akworo2pxnxxvrg4dujbhduq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
07c7268c2f8a736f5c74f9dabfdf5e10c8a4580fdfcf11eaa7e20a88dd52cae8
njrat
20c5e774a278d6bc585aa030df85baeb6e27445b5fe1a34ae48a48898dc8604b
njrat
73489b558cbcf01f2bda533f372c0dfed9c225f789b17a109b76a52b99413fb0
njrat
891ba441c920eedb471ac09b6bc60f5694a8795f53813a8158da2bf35a0b54a6
njrat
b047ecd482ba7616d02b58a9f77cf558a8fbc5394fceee88082be6a5677229f9
njrat
b10fddacee9920ac4bd5bfdd19e07124e2830b0974c080ee64abaf9626602be1
njrat
c7a41760765b72d1047f807c30074f8a890cfd4d2323e27610a26ddcdf4c8f08
njrat
cbc4c00395ee3d24d1f5a1dd64cfb0b74648f0371a0665287dd8108181e7668b
njrat
+ 782 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:nyan cat trojan
Link:
https://tria.ge/reports/230126-jzz2nsda73/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
njRAT/Bladabindi
Malware Config
C2 Extraction:
fortuna777.duckdns.org:1994
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/65439e1ba659/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/65439e1ba65950fc678c09e45679444e67d02ace8bb4fbb6f7ac4dc1d12138e9

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:DROPPER_njrat_VBS
Create hunting rule
Author:SECUINFRA Falcon Team
Reference:https://bazaar.abuse.ch/sample/daea0b5dfcc3e20b75292df60fe5f0e16a40735254485ff6cc7884697a007c0d/
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_VBS_Wscript_Shell
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/357028/

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