🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45b09e9f6adfa05a9bee2fdfaa664af52619092e5571e9e7627b0328c16c6001. 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 File information Comments

SHA256 hash: 45b09e9f6adfa05a9bee2fdfaa664af52619092e5571e9e7627b0328c16c6001
SHA3-384 hash: 2c59fb7dc58fec62a025bee430e0a286c15ea328abcc1aff25bb0f1cba4a2bffcc9fd8b441fc94a17a167e4b89f55b08
SHA1 hash: 76a52ecc7c04de6e5dbe7a301b6833212b526d30
MD5 hash: 7b17066d74163c02a85177cdb2f24d01
humanhash: robin-winner-delta-zebra
File name:proof of payment.js
Download: download sample
Signature Vjw0rm
File size:34'940 bytes
First seen:2022-11-01 08:39:22 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:1MPmxPHcLC2wkZERXHe8ocSRsTxj4ecb/8nRK:1D8ZUXHedRsTxj4ecb/8nRK
TLSH T199F27ED82E81FF51D74C3C82695D2DD51379AE83860BA94F722EB78812F5483CD1BA9C
Reporter abuse_ch
Tags:js vjw0rm

Intelligence


File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm evasive obfuscated
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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
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
Sigma detected: VjW0rm
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
Wscript called in batch mode (surpress errors)
Yara detected VjW0rm
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 735054 Sample: proof of payment.js Startdate: 01/11/2022 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic 2->61 63 Antivirus detection for URL or domain 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 6 other signatures 2->67 7 wscript.exe 2 15 2->7         started        12 wscript.exe 12 2->12         started        14 wscript.exe 13 2->14         started        16 2 other processes 2->16 process3 dnsIp4 55 harold.ns01.info 109.206.243.106, 3606, 49695, 49699 AWMLTNL Germany 7->55 47 C:\Users\user\AppData\Roaming\zaQDBtiWwe.js, ASCII 7->47 dropped 49 C:\...\proof of payment.js:Zone.Identifier, ASCII 7->49 dropped 51 C:\Users\user\AppData\...\proof of payment.js, ASCII 7->51 dropped 71 System process connects to network (likely due to code injection or exploit) 7->71 73 JScript performs obfuscated calls to suspicious functions 7->73 75 Drops script or batch files to the startup folder 7->75 79 2 other signatures 7->79 18 wscript.exe 13 7->18         started        22 schtasks.exe 1 7->22         started        77 Wscript called in batch mode (surpress errors) 12->77 24 wscript.exe 12->24         started        27 schtasks.exe 1 12->27         started        57 192.168.2.1 unknown unknown 14->57 29 wscript.exe 14->29         started        31 schtasks.exe 1 14->31         started        59 javaautorun.duia.ro 16->59 33 wscript.exe 16->33         started        35 schtasks.exe 1 16->35         started        file5 signatures6 process7 dnsIp8 53 javaautorun.duia.ro 41.217.12.189, 5465 SpectranetNG Nigeria 18->53 45 C:\Users\user\AppData\...\zaQDBtiWwe.js, ASCII 18->45 dropped 37 conhost.exe 22->37         started        69 System process connects to network (likely due to code injection or exploit) 24->69 39 conhost.exe 27->39         started        41 conhost.exe 31->41         started        43 conhost.exe 35->43         started        file9 signatures10 process11
Threat name:
Script-JS.Trojan.Cryxos
Status:
Malicious
First seen:
2022-11-01 08:40:07 UTC
File Type:
Text (JavaScript)
AV detection:
5 of 41 (12.20%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vjw0rm persistence trojan worm
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Vjw0rm
Malware Config
C2 Extraction:
http://harold.ns01.info:3606
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

Vjw0rm

Java Script (JS) js 45b09e9f6adfa05a9bee2fdfaa664af52619092e5571e9e7627b0328c16c6001

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments