MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7e1ed337ec4e995f496a39056b84fd9ef91d81118fca9a17f058aed250ea2503. 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: 8


Intelligence 8 IOCs 2 YARA File information Comments

SHA256 hash: 7e1ed337ec4e995f496a39056b84fd9ef91d81118fca9a17f058aed250ea2503
SHA3-384 hash: 081c43b43d6a4616d4b45839eaad00b723370dd40cbcee5116dc550fc60c5ba0bbe147a33d81e7a857b77a492cd36801
SHA1 hash: 7b189404e5d6d43a03ae0b1ec6bb5967d7aac0ce
MD5 hash: 0fb3b259e28c68d4feaa3867efda1693
humanhash: timing-moon-romeo-fix
File name:invoice and supporting document.js
Download: download sample
Signature Vjw0rm
File size:39'427 bytes
First seen:2022-10-11 10:00:47 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:l3dqDIvHMDKKAANnu4h+hgSgz4mxi1IdRdq56sfmAx:l3dHMDKW04h+hc85w+56sfb
TLSH T1BE035C46F95656538B140B063FB8CD789F69ECDDA1F0982F3606A48C035906DA2EE3BD
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://37.0.14.198:6161/is-ready

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
37.0.14.198:6161 https://threatfox.abuse.ch/ioc/679721/
http://37.0.14.198:6161/is-ready https://threatfox.abuse.ch/ioc/878080/

Intelligence


File Origin
# of uploads :
1
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm evasive obfuscated wscript.exe
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
WSHRat, VjW0rm
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Detected WSHRat
Drops script or batch files to the startup folder
JScript performs obfuscated calls to suspicious functions
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
Sigma detected: Register Wscript In Run Key
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
Wscript called in batch mode (surpress errors)
Yara detected VjW0rm
Yara detected WSHRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 720448 Sample: invoice and supporting docu... Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 54 Sigma detected: Register Wscript In Run Key 2->54 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 10 other signatures 2->60 7 wscript.exe 3 6 2->7         started        11 wscript.exe 1 2->11         started        14 wscript.exe 2->14         started        16 3 other processes 2->16 process3 dnsIp4 36 invoice and suppor....js:Zone.Identifier, ASCII 7->36 dropped 38 C:\...\invoice and supporting document.js, ASCII 7->38 dropped 40 invoice and suppor....js:Zone.Identifier, ASCII 7->40 dropped 42 2 other malicious files 7->42 dropped 66 System process connects to network (likely due to code injection or exploit) 7->66 68 Detected WSHRat 7->68 70 JScript performs obfuscated calls to suspicious functions 7->70 74 2 other signatures 7->74 18 wscript.exe 8 7->18         started        22 wscript.exe 1 13 7->22         started        48 192.168.2.1 unknown unknown 11->48 72 Wscript called in batch mode (surpress errors) 11->72 25 wscript.exe 11->25         started        27 wscript.exe 11->27         started        29 wscript.exe 14->29         started        50 javaautorun.duia.ro 16->50 file5 signatures6 process7 dnsIp8 44 37.0.14.198, 49701, 49703, 49704 WKD-ASIE Netherlands 18->44 62 Wscript called in batch mode (surpress errors) 18->62 31 wscript.exe 18->31         started        46 javaautorun.duia.ro 2.58.46.200, 5465 M247GB Romania 22->46 34 C:\Users\user\AppData\...behaviorgraphEQoxzaRUu.js, ASCII 22->34 dropped 64 System process connects to network (likely due to code injection or exploit) 25->64 file9 signatures10 process11 dnsIp12 52 javaautorun.duia.ro 31->52
Threat name:
Script-JS.Trojan.Vjw0rm
Status:
Malicious
First seen:
2022-10-11 09:47:35 UTC
File Type:
Text
AV detection:
11 of 41 (26.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vjw0rm family:wshrat persistence trojan worm
Behaviour
Suspicious use of WriteProcessMemory
Script User-Agent
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Vjw0rm
WSHRAT
Malware Config
C2 Extraction:
http://37.0.14.198:6161
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.

Comments