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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ef5dc83e3a2f53a078a034d6edb8b07684efe844af306b60e65509d61a01b46. 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 YARA File information Comments

SHA256 hash: 7ef5dc83e3a2f53a078a034d6edb8b07684efe844af306b60e65509d61a01b46
SHA3-384 hash: 055cfbe25ff05bbad72374b692ad6fac993ee46154f133b9182fc086a1f3b348fbccf3319fd1f30ff759e255586d6517
SHA1 hash: 3ef05de60568b30104e18a72b783c8e21fb83c01
MD5 hash: cd12101e3da7cfc1e15be51324d97f26
humanhash: harry-wyoming-golf-edward
File name:Purchaseorder.js
Download: download sample
Signature Vjw0rm
File size:3'270'790 bytes
First seen:2023-09-27 04:35:39 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:qQKDwkB5j+Dd3MLyi/vdvK8cuUzwJBO0enr8uYUlN8b6iLBJbr59RlwDh:x8wkDaDd3gyiVAz10+ouFkPr52d
TLSH T1E5E500B17BBEF2324F241B0D77E69CDC1EA4664F09E168392609CE6F01720999CCD1B9
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://akinbo.ddns.net:6350/is-ready

Intelligence


File Origin
# of uploads :
1
# of downloads :
323
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm evasive explorer lolbin masquerade obfuscated wscript
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
C2 URLs / IPs found in malware configuration
Detected WSHRat
Drops script or batch files to the startup folder
Found malware configuration
JScript performs obfuscated calls to suspicious functions
Multi AV Scanner detection for domain / URL
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 dynamic DNS services
Uses known network protocols on non-standard ports
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript called in batch mode (surpress errors)
Yara detected VjW0rm
Yara detected WSHRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1314938 Sample: Purchaseorder.js Startdate: 27/09/2023 Architecture: WINDOWS Score: 100 55 Sigma detected: Register Wscript In Run Key 2->55 57 Snort IDS alert for network traffic 2->57 59 Multi AV Scanner detection for domain / URL 2->59 61 12 other signatures 2->61 7 wscript.exe 1 6 2->7         started        11 wscript.exe 2 2->11         started        13 wscript.exe 12 2->13         started        16 2 other processes 2->16 process3 dnsIp4 37 C:\Users\user\AppData\...\Purchaseorder.js, ASCII 7->37 dropped 39 C:\Users\user\AppData\...\Purchaseorder.js, ASCII 7->39 dropped 41 C:\Users\user\AppData\Roaming\AkrDdIbORR.js, ASCII 7->41 dropped 69 System process connects to network (likely due to code injection or exploit) 7->69 71 Detected WSHRat 7->71 73 JScript performs obfuscated calls to suspicious functions 7->73 77 3 other signatures 7->77 18 wscript.exe 8 7->18         started        22 wscript.exe 1 13 7->22         started        75 Wscript called in batch mode (surpress errors) 11->75 25 wscript.exe 11->25         started        27 wscript.exe 11->27         started        47 jemyy.theworkpc.com 13->47 file5 signatures6 process7 dnsIp8 43 akinbo.ddns.net 95.214.27.6, 49799, 49801, 49806 CMCSUS Germany 18->43 29 wscript.exe 18->29         started        45 jemyy.theworkpc.com 109.248.144.235, 5401 DATACLUB-SE Russian Federation 22->45 35 C:\Users\user\AppData\...\AkrDdIbORR.js, ASCII 22->35 dropped 63 Windows Scripting host queries suspicious COM object (likely to drop second stage) 22->63 65 System process connects to network (likely due to code injection or exploit) 25->65 67 Wscript called in batch mode (surpress errors) 25->67 32 wscript.exe 25->32         started        file9 signatures10 process11 dnsIp12 49 jemyy.theworkpc.com 29->49 51 jemyy.theworkpc.com 32->51 53 System process connects to network (likely due to code injection or exploit) 32->53 signatures13
Threat name:
Script-JS.Dropper.Heuristic
Status:
Malicious
First seen:
2023-09-27 04:36:07 UTC
File Type:
Text (JavaScript)
AV detection:
2 of 23 (8.70%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:vjw0rm family:wshrat persistence 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
Malware Config
C2 Extraction:
http://akinbo.ddns.net:6350
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