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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ea3bad5df5eacdf31f9bef34b6486c6e709feb5a796f582e6cafe5aea773940. 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 2 YARA File information Comments

SHA256 hash: 7ea3bad5df5eacdf31f9bef34b6486c6e709feb5a796f582e6cafe5aea773940
SHA3-384 hash: a67df7c492e3059e8b1b0c9e8d693eb2d160f32158fab655083b3dd33dfe29e697533aa1edc0834cfbe9a1d730a372db
SHA1 hash: af0fe8f3ef7d964ddbe723106e54244d92b2f5e6
MD5 hash: 85f9be3cfbb0cebf7a3f87530dce3297
humanhash: equal-vegan-twenty-juliet
File name:E-receipt #8992-WSH-276020222.js
Download: download sample
Signature Vjw0rm
File size:38'698 bytes
First seen:2022-06-28 20:23:01 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:VXfqpCtZnFpN6uo9+F1mI1OtjCaIgZPr6HD/Jl+iO/e0Sa0jSJd:VXCpCtPpo941mI1JaIuPrKye0Saqa
TLSH T19A036D9ECE771BA5AF041B0217FCFC6C7F78788D58A01D6F2A95844882B543971AA1EC
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://37.0.8.115:8992/is-ready

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://37.0.8.115:8992/is-ready https://threatfox.abuse.ch/ioc/732610/
37.0.8.115:8992 https://threatfox.abuse.ch/ioc/732611/

Intelligence


File Origin
# of uploads :
1
# of downloads :
335
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm evasive obfuscated wscript wscript.exe
Result
Threat name:
WSHRat, VjW0rm
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Detected WSHRat
Drops script or batch files to the startup folder
JavaScript source code contains call to eval containing suspicious API calls
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 domain / URL
Potential malicious VBS/JS script found (suspicious encoded strings)
Potential obfuscated javascript found
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
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: 653980 Sample: E-receipt #8992-WSH-276020222.js Startdate: 28/06/2022 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Antivirus detection for URL or domain 2->60 62 9 other signatures 2->62 7 wscript.exe 3 6 2->7         started        11 wscript.exe 2->11         started        13 wscript.exe 12 2->13         started        16 5 other processes 2->16 process3 dnsIp4 34 C:\Users\user\AppData\Roaming\dqVXIXkqsq.js, ASCII 7->34 dropped 36 E-receipt #8992-WS....js:Zone.Identifier, ASCII 7->36 dropped 38 C:\Users\...-receipt #8992-WSH-276020222.js, ASCII 7->38 dropped 40 2 other malicious files 7->40 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 76 3 other signatures 7->76 18 wscript.exe 8 7->18         started        22 wscript.exe 2 13 7->22         started        72 Wscript called in batch mode (surpress errors) 11->72 25 wscript.exe 11->25         started        46 franmhort.duia.ro 13->46 48 192.168.2.1 unknown unknown 13->48 74 Creates multiple autostart registry keys 13->74 50 franmhort.duia.ro 16->50 52 franmhort.duia.ro 16->52 27 wscript.exe 16->27         started        file5 signatures6 process7 dnsIp8 42 37.0.8.115, 49748, 49751, 49754 WKD-ASIE Netherlands 18->42 64 Wscript called in batch mode (surpress errors) 18->64 29 wscript.exe 18->29         started        44 franmhort.duia.ro 91.192.100.8, 49736, 49749, 49750 AS-SOFTPLUSCH Switzerland 22->44 32 C:\Users\user\AppData\...\dqVXIXkqsq.js, ASCII 22->32 dropped file9 signatures10 process11 dnsIp12 54 franmhort.duia.ro 29->54
Threat name:
Script-JS.Trojan.Cryxos
Status:
Malicious
First seen:
2022-06-28 20:23:06 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vjw0rm family:wshrat persistence suricata trojan worm
Behaviour
Script User-Agent
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
WSHRAT
suricata: ET MALWARE WSHRAT CnC Checkin
suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm/WSHRAT Checkin 1
Malware Config
C2 Extraction:
http://37.0.8.115:8992
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