MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4148996a4755fb0e360f98d70fe35210b76f5f88ee9bf248e4da9a2364d0d55. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4148996a4755fb0e360f98d70fe35210b76f5f88ee9bf248e4da9a2364d0d55
SHA3-384 hash: 849f12c726119f35592abf05e3fe9642799dc7b59b81ee76192a28717a644dfd14499c1e29609b08c91f82074b107e68
SHA1 hash: dfdce66e057e212ad67ecfc601b65d089a7df8f0
MD5 hash: 7e5cab9461f94770cc03f4b12a004add
humanhash: monkey-july-mirror-venus
File name:295829582958.js
Download: download sample
Signature NetSupport
Create hunting rule
File size:3'484 bytes
First seen:2023-08-29 08:27:04 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 96:awptMc+6fNL3Uq13ymA3lPVRi6fUh+qhskt77v13Yjdn+iA45ibRf/BhqKGh9BQf:CkHhYitfZh2xQuDC1uY
TLSH T164711D6AF6D0DD8D638747B7B726D082D1558E8D3B054BC071E5FAC0F459AB08DB6A30
Reporter abuse_ch
Tags:js NetSupport


Avatar
abuse_ch
NetSupport C2:
79.137.205.69:3725

Intelligence

File Origin
# of uploads :
1
# of downloads :
220
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
88%
Tags:
obfuscated powershell
Link:
https://www.filescan.io/uploads/64edac12b3b7d7c782d0e546/reports/41846e88-a788-423c-83f8-8fc8d7c01f9e/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a4148996a4755fb0e360f98d70fe35210b76f5f88ee9bf248e4da9a2364d0d55
Result
Verdict:
MALICIOUS
Result
Threat name:
NetSupport RAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1299798
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
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
Malicious sample detected (through community Yara rule)
Potential obfuscated javascript found
Powershell drops PE file
Sigma detected: Powershell drops NetSupport RAT client
Suspicious powershell command line found
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1299798 Sample: 295829582958.js Startdate: 29/08/2023 Architecture: WINDOWS Score: 92 44 Malicious sample detected (through community Yara rule) 2->44 46 Sigma detected: Powershell drops NetSupport RAT client 2->46 48 JavaScript source code contains functionality to generate code involving HTTP requests or file downloads 2->48 50 2 other signatures 2->50 7 wscript.exe 1 2->7         started        10 client32.exe 2->10         started        12 client32.exe 2->12         started        process3 signatures4 52 JScript performs obfuscated calls to suspicious functions 7->52 54 Suspicious powershell command line found 7->54 56 Wscript starts Powershell (via cmd or directly) 7->56 14 powershell.exe 15 31 7->14         started        process5 dnsIp6 38 instalfrio.cl 200.111.89.45, 49720, 80 ENTELCHILESACL Chile 14->38 24 C:\Users\user\AppData\...\remcmdstub.exe, PE32 14->24 dropped 26 C:\Users\user\AppData\Roaming\D\pcicl32.dll, PE32 14->26 dropped 28 C:\Users\user\AppData\Roaming\D\pcicapi.dll, PE32 14->28 dropped 30 7 other files (6 malicious) 14->30 dropped 40 Found suspicious powershell code related to unpacking or dynamic code loading 14->40 42 Powershell drops PE file 14->42 19 client32.exe 16 14->19         started        22 conhost.exe 14->22         started        file7 signatures8 process9 dnsIp10 32 falafelgoo1.com 5.42.82.229, 3725 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 19->32 34 geography.netsupportsoftware.com 62.172.138.8, 49722, 49725, 49726 BTGB United Kingdom 19->34 36 2 other IPs or domains 19->36
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4148996a4755fb0e360f98d70fe35210b76f5f88ee9bf248e4da9a2364d0d55/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uqkitfveovp3by3a7ggxb7rveefxn5pyr3u36jeojwu2ensnbvkq._file
Result
Malware family:
netsupport
Create hunting rule
Score:
  10/10
Tags:
family:netsupport persistence rat
Link:
https://tria.ge/reports/230829-kcz9laeb7y/
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
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
NetSupport
Malware Config
Dropper Extraction:
http://instalfrio.cl/destination.txt
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a4148996a475/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/a4148996a4755fb0e360f98d70fe35210b76f5f88ee9bf248e4da9a2364d0d55

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:SUSP_obfuscated_JS_obfuscatorio
Create hunting rule
Author:@imp0rtp3
Description:Detects JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io
Rule name:SUSP_PowerShell_Base64_Decode
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects PowerShell code to decode Base64 data. This can yield many FP

File information

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

Comments