MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57b7698234b56bf2df901889fb1ae8f980992f2681650eeb46dd33daf12066ea. 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


NetSupport


Vendor detections: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57b7698234b56bf2df901889fb1ae8f980992f2681650eeb46dd33daf12066ea
SHA3-384 hash: 343057ba6692e5800633fb8f02442b7b4ae41494720bf450f335a176c22be9d3eef2815523cd843ff8fdba16e0a21fc5
SHA1 hash: f2aa05c316add605d17cea9553d9821e9ee2ca34
MD5 hash: ec3786ecd50ef285c763b534ae85189b
humanhash: beer-cup-bakerloo-dakota
File name:3247827_6002698_rechnung.js
Download: download sample
Signature NetSupport
Create hunting rule
File size:30'958 bytes
First seen:2023-05-12 13:38:07 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:VCtgik8WC1J3C87u8nTAKeD3DGrRrHbMNEiGzf09LdM/WKZlO6UEW2x4oa/0MOS1:VuHTVWzA6NEiywdM/PldR35A
TLSH T1B9D2FF8826D3E0139A2FF179766FECD1E12944561BC1590BB81CA258FF95C3CCF607A9
Reporter lowmal3
Tags:js NetSupport

Intelligence

File Origin
# of uploads :
1
# of downloads :
294
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated powershell
Link:
https://www.filescan.io/uploads/645e41768723e91f5525e441/reports/e2663a3d-bc01-4d86-8e98-9d297abfc9ea/overview
Verdict:
Suspicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Link:
https://www.hybrid-analysis.com/sample/57b7698234b56bf2df901889fb1ae8f980992f2681650eeb46dd33daf12066ea
Result
Verdict:
MALICIOUS
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
Result
Threat name:
NetSupport RAT
Create hunting rule
Detection:
malicious
Classification:
bank.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1231642
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
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
JScript performs obfuscated calls to suspicious functions
Malicious encrypted Powershell command line found
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Powershell drops PE file
Sigma detected: Powershell drops NetSupport RAT client
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Very long command line found
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 864620 Sample: 3247827_6002698_rechnung.js Startdate: 12/05/2023 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Antivirus detection for URL or domain 2->60 62 5 other signatures 2->62 9 wscript.exe 1 2->9         started        12 client32.exe 2->12         started        14 client32.exe 2->14         started        process3 signatures4 68 Malicious encrypted Powershell command line found 9->68 70 JScript performs obfuscated calls to suspicious functions 9->70 72 Wscript starts Powershell (via cmd or directly) 9->72 74 2 other signatures 9->74 16 powershell.exe 7 9->16         started        process5 signatures6 48 Malicious encrypted Powershell command line found 16->48 50 Very long command line found 16->50 52 Encrypted powershell cmdline option found 16->52 54 Powershell drops PE file 16->54 19 powershell.exe 14 16 16->19         started        23 conhost.exe 16->23         started        process7 dnsIp8 40 193.233.232.150, 49697, 80 FREE-NET-ASFREEnetEU Russian Federation 19->40 64 Very long command line found 19->64 66 Encrypted powershell cmdline option found 19->66 25 powershell.exe 1 52 19->25         started        signatures9 process10 file11 32 C:\Users\user\AppData\...\remcmdstub.exe, PE32 25->32 dropped 34 C:\Users\user\AppData\Roaming\...\pcicapi.dll, PE32 25->34 dropped 36 C:\Users\user\AppData\...\client32.exe, PE32 25->36 dropped 38 7 other files (6 malicious) 25->38 dropped 28 client32.exe 18 25->28         started        process12 dnsIp13 42 blahadfurtik.com 89.22.237.94, 49701, 5222 INETLTDTR Russian Federation 28->42 44 geography.netsupportsoftware.com 62.172.138.67, 49702, 80 BTGB United Kingdom 28->44 46 2 other IPs or domains 28->46 76 Multi AV Scanner detection for dropped file 28->76 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57b7698234b56bf2df901889fb1ae8f980992f2681650eeb46dd33daf12066ea/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k63wtaruwvv7fx4qdce7wgxi7gajslzgqfsq522g3uz5v4jam3va._file
Result
Malware family:
netsupport
Create hunting rule
Score:
  10/10
Tags:
family:netsupport persistence rat
Link:
https://tria.ge/reports/230512-qxyjdsfe2y/
Behaviour
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://193.233.232.150/file3.ps1
https://stackapk.com/pages/apostrk.php
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/57b7698234b5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Malspam

NetSupport

Java Script (JS) js 57b7698234b56bf2df901889fb1ae8f980992f2681650eeb46dd33daf12066ea

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments