MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83be30955e545d10a374262516d0942fc9a5318207dc0917349c32f3e8b7c5f4. 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

SHA256 hash:	83be30955e545d10a374262516d0942fc9a5318207dc0917349c32f3e8b7c5f4
SHA3-384 hash:	89139c63a8d37b1206accc75765847d76161d355e28d1c4bd454af21dc0d897d825a03c22776c99a2513b29b825fd375
SHA1 hash:	3f13762feb96baf1d006cc6bbea6cf9f0359dccb
MD5 hash:	5048351e6f8f2fb070d83dad39be32c6
humanhash:	three-oven-bravo-april
File name:	tnss2911.js
Download:	download sample
Signature	NetSupport Alert Create hunting rule
File size:	41'858 bytes
First seen:	2023-06-13 18:21:13 UTC
Last seen:	2023-06-14 07:06:04 UTC
File type:	js
MIME type:	text/plain
ssdeep	384:OQ1eDw/xs7F9J/4GyVI8yz4sPQcz4YaCusy/sRcGR0uJgeWuoweChT/STvrbu4fj:5VGyu8UbzJuvi01eWuoZCrTOL6+
TLSH	T13F130DF498E381A86517706F573EB094A4A013130C88FB25B95CA1509FED92CBFB96F7
Reporter	TeamDreier
Tags:	js NetSupport norominis1-com norominis2-com

Intelligence

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File Origin

# of uploads :

2

# of downloads :

271

Origin country :

DK

Vendor Threat Intelligence

ClamAV Detected

Detection(s):

SecuriteInfo.com.JS.Trojan.Cryxos.12892.19562.20256.UNOFFICIAL

Alert

Create hunting rule

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

86%

Tags:

obfuscated powershell

Link:

https://www.filescan.io/uploads/6488b3d03bcfe6e1271ee0f0/reports/eec94bc0-5c84-4077-a185-000a401be754/overview

Hybrid Analysis Trojan.Cryxos.JS

Verdict:

Malicious

Labled as:

Trojan.Cryxos.JS

Link:

https://www.hybrid-analysis.com/sample/83be30955e545d10a374262516d0942fc9a5318207dc0917349c32f3e8b7c5f4

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Joe Sandbox NetSupport RAT

Result

Threat name:

NetSupport RAT

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1253834

Signature

Bypasses PowerShell execution policy

JavaScript source code contains call to eval() to check own source code (likely for evading instrumentation)

JavaScript source code contains functionality to generate code involving a shell, file or stream

JavaScript source code contains functionality to generate code involving HTTP requests or file downloads

JScript performs obfuscated calls to suspicious functions

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Obfuscated command line found

Powershell drops PE file

Sigma detected: Powershell drops NetSupport RAT client

Sigma detected: Set autostart key via New-ItemProperty Cmdlet

Snort IDS alert for network traffic

System process connects to network (likely due to code injection or exploit)

Tries to download files via bitsadmin

Uses known network protocols on non-standard ports

Very long command line found

Wscript starts Powershell (via cmd or directly)

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/83be30955e545d10a374262516d0942fc9a5318207dc0917349c32f3e8b7c5f4/

ReversingLabs TitaniumCloud Script-JS.Trojan.SLoad

Threat name:

Script-JS.Trojan.SLoad

Alert

Create hunting rule

Status:

Malicious

First seen:

2023-06-13 18:22:10 UTC

File Type:

Text (JavaScript)

AV detection:

7 of 37 (18.92%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qo7dbfk6krorbi3ueysrnueuf7e2kmmca7oasfzutqzph2fxyx2a._file

Hatching Triage netsupport

Result

Malware family:

netsupport

Alert

Create hunting rule

Score:

  10/10

Tags:

family:netsupport persistence rat

Link:

https://tria.ge/reports/230613-wzwqgaae7z/

Behaviour

Script User-Agent

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Adds Run key to start application

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Blocklisted process makes network request

NetSupport

Malware Config

Dropper Extraction:

http://navitainer.net/4th.zip
http://YOUR.LINK/files/

VMRay Malicious

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/83be30955e54/report/overview.html

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Suspicious File

Threat name:

Suspicious File

Score:

0.65

Link:

https://yomi.yoroi.company/submissions/83be30955e545d10a374262516d0942fc9a5318207dc0917349c32f3e8b7c5f4