MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 43d7fa52f4e690c362da25aac8b4c8feb5620ee8dc6cf21bb2e998e9297abcbd. 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
| SHA256 hash: | 43d7fa52f4e690c362da25aac8b4c8feb5620ee8dc6cf21bb2e998e9297abcbd |
|---|---|
| SHA3-384 hash: | b8cd9e0a45b3fe4e69532ff667355e65aad5873ffb28674143864fb4f193a48b2dfd2ce85ebb2649adc037d4e6fce03e |
| SHA1 hash: | 541be41c314dbc0ef00f5fc43b60d473803a4d4b |
| MD5 hash: | e55375df88bf966f94390291cbf23a4a |
| humanhash: | louisiana-louisiana-item-leopard |
| File name: | PROFOMA INVOICE.js |
| Download: | download sample |
| Signature | Vjw0rm |
| File size: | 104'280 bytes |
| First seen: | 2024-04-23 00:26:00 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 3072:FRQvg9BY85CWYRoI2jRQvg9BY85CWYRoI2I:FRQv0q85CWYRz2jRQv0q85CWYRz2I |
| TLSH | T1F9A36BD80B85E84361CC0F93BF1BB9D5E1379DB6AE986D839618B6CC64B8583C0B4DD4 |
| TrID | 65.2% (.CFC) ColdFusion Component (with rem) (7500/1/1) 34.7% (.S) Digital Micrograph Script (4000/1/1) |
| Reporter |  abuse_ch |
| Tags: | js vjw0rm |
Intelligence
File Origin
# of uploads :
1
# of downloads :
382
Origin country :
NLVendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm evasive masquerade obfuscated
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Result
Threat name:
VjW0rm
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Drops script or batch files to the startup folder
JavaScript source code contains functionality to check for AV products
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
JScript performs obfuscated calls to suspicious functions
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Drops script at startup location
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: VjW0rm
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Detection(s):
Malicious file
Result
Malware family:
vjw0rm
Score:
10/10
Tags:
family:vjw0rm persistence trojan worm
Behaviour
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Blocklisted process makes network request
Vjw0rm
Malware Config
C2 Extraction:
http://vjwmaster.duckdns.org:9987
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.
No further information available
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