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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf2f0ecbbbd33ef1369595b5f7455e8777abeadd3b12571209a8f44c92628ee8. 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


Vjw0rm


Vendor detections: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf2f0ecbbbd33ef1369595b5f7455e8777abeadd3b12571209a8f44c92628ee8
SHA3-384 hash: 0d69e8b9a07484ff5554f5d76398cae5d43a9137e69ea3124cf105ef17a5304a5c6cfe829e3d5a7a572823169ee945fa
SHA1 hash: d0e36f27aea4f6b17587f68d06f307e368d8443a
MD5 hash: 361ff80872705750749fc5c27006aba5
humanhash: west-uranus-may-mobile
File name:Request For Quotation.js
Download: download sample
Signature Vjw0rm
Create hunting rule
File size:988'188 bytes
First seen:2023-07-12 11:40:23 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:QQQ2zF22es2/0w7aMT3H2KqPLOSxgEDC4OlNnOm5trZ+DGArhisPGfLA5b0l2uvN:TfG
TLSH T15C25EB9A69B8352EA3F3F558C300DB22EC64E5131C87A9C6B9947B4E7F37C58593DA00
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
45.81.39.90:3609

Intelligence

File Origin
# of uploads :
1
# of downloads :
333
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
YARA.obfuscated_eval.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm evasive lolbin obfuscated wscript
Link:
https://www.filescan.io/uploads/64ae914ea15fc7eb4fd13af9/reports/9043cb93-f585-4579-bc6f-adfe8b4b25a8/overview
Verdict:
Malicious
Labled as:
Trojan.Script.Heuristic
Link:
https://www.hybrid-analysis.com/sample/bf2f0ecbbbd33ef1369595b5f7455e8777abeadd3b12571209a8f44c92628ee8
Result
Threat name:
WSHRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1271674
Signature
Drops script or batch files to the startup folder
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Potential malicious VBS/JS script found (suspicious encoded strings)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
System process connects to network (likely due to code injection or exploit)
Wscript called in batch mode (surpress errors)
Yara detected WSHRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf2f0ecbbbd33ef1369595b5f7455e8777abeadd3b12571209a8f44c92628ee8/
Threat name:
Script-JS.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-12 11:41:06 UTC
File Type:
Text (JavaScript)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4xq5s532m7pcnuvsw27ork6q532x2w5hmjfoeqjvd2ezetcr3ua._file
Result
Malware family:
wshrat
Create hunting rule
Score:
  10/10
Tags:
family:wshrat trojan
Link:
https://tria.ge/reports/230712-ntewrsdh8y/
Behaviour
Script User-Agent
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Blocklisted process makes network request
WSHRAT
Malware Config
C2 Extraction:
http://harold.2waky.com:3609
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf2f0ecbbbd3/report/overview.html
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:BitcoinAddress
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Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:SUSP_Base64_Encoded_Hex_Encoded_Code
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects hex encoded code that has been base64 encoded
Reference:https://www.nextron-systems.com/2019/04/29/spotlight-threat-hunting-yara-rule-example/
Rule name:SUSP_Base64_Encoded_Hex_Encoded_Code_RID3420
Create hunting rule
Author:Florian Roth
Description:Detects hex encoded code that has been base64 encoded
Reference:Internal Research

File information

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

Comments