MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89a2a7815855b133037b34f1447fc79e5609e219a83acb670eea650d6cdb31ac. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89a2a7815855b133037b34f1447fc79e5609e219a83acb670eea650d6cdb31ac
SHA3-384 hash: 699af0e8dcbd1246eb11f360f1df0d34e7a8b2e41c3a0b4b4fcaf73a20ba398774a8a946f96de5bac66ef6b8718e2a96
SHA1 hash: 66fb2386dd439a370cc9535b0b9178550f7664bd
MD5 hash: 0ad118eb681ab6c9cd0fa88e91e98816
humanhash: mango-three-nevada-oranges
File name:Enquiry-1161222.js
Download: download sample
Signature Vjw0rm
Create hunting rule
File size:52'449 bytes
First seen:2022-10-12 08:10:48 UTC
Last seen:2022-10-12 13:21:20 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:d+6c/gBd6vKwkBpa4pUKuITIW4RqOtF4l8j/Oy1RG7JdMu6g9fzLVtHO8JPk0Jd:81CBYRfF4lE/Oy1fu6g9fPTHO8BXd
TLSH T189338E7AC9561B78EB041E436AF8EE1D1BB97D4F19601D8EF714C68861E0D1CF02A7AC
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://185.222.57.147:1989/is-ready

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.222.57.147:1989 https://threatfox.abuse.ch/ioc/839489/
http://185.222.57.147:1989/is-ready https://threatfox.abuse.ch/ioc/880343/

Intelligence

File Origin
# of uploads :
2
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm evasive obfuscated wscript.exe
Link:
https://www.filescan.io/uploads/63467697f7728fc83824e8f7/reports/2b364ea9-633d-43ac-a2c0-a3d3a66b3ddc/overview
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
WSHRat, VjW0rm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1088651
Signature
Antivirus detection for URL or domain
Creates autostart registry keys with suspicious names
Detected WSHRat
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 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 721243 Sample: Enquiry-1161222.js Startdate: 12/10/2022 Architecture: WINDOWS Score: 100 59 Sigma detected: Register Wscript In Run Key 2->59 61 Snort IDS alert for network traffic 2->61 63 Multi AV Scanner detection for domain / URL 2->63 65 10 other signatures 2->65 7 wscript.exe 3 6 2->7         started        11 wscript.exe 2 2->11         started        13 wscript.exe 2 2->13         started        15 3 other processes 2->15 process3 dnsIp4 39 C:\...nquiry-1161222.js:Zone.Identifier, ASCII 7->39 dropped 41 C:\Users\user\AppData\...nquiry-1161222.js, ASCII 7->41 dropped 43 C:\...nquiry-1161222.js:Zone.Identifier, ASCII 7->43 dropped 45 2 other malicious files 7->45 dropped 73 System process connects to network (likely due to code injection or exploit) 7->73 75 Detected WSHRat 7->75 77 JScript performs obfuscated calls to suspicious functions 7->77 81 3 other signatures 7->81 18 wscript.exe 8 7->18         started        22 wscript.exe 1 13 7->22         started        79 Wscript called in batch mode (surpress errors) 11->79 25 wscript.exe 11->25         started        27 wscript.exe 11->27         started        29 wscript.exe 13->29         started        51 javaautorun.duia.ro 15->51 file5 signatures6 process7 dnsIp8 47 185.222.57.147, 1989, 49705, 49706 ROOTLAYERNETNL Netherlands 18->47 31 wscript.exe 18->31         started        49 javaautorun.duia.ro 41.217.29.135, 5465 SpectranetNG Nigeria 22->49 37 C:\Users\user\AppData\...\AXAJDPjtkq.js, ASCII 22->37 dropped 69 System process connects to network (likely due to code injection or exploit) 25->69 71 Wscript called in batch mode (surpress errors) 25->71 34 wscript.exe 25->34         started        file9 signatures10 process11 dnsIp12 53 javaautorun.duia.ro 31->53 55 192.168.2.1 unknown unknown 31->55 57 javaautorun.duia.ro 34->57 67 System process connects to network (likely due to code injection or exploit) 34->67 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89a2a7815855b133037b34f1447fc79e5609e219a83acb670eea650d6cdb31ac/
Threat name:
Script-JS.Trojan.Vjw0rm
Create hunting rule
Status:
Malicious
First seen:
2022-10-12 07:43:32 UTC
File Type:
Text (JavaScript)
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rgrkpakykwytga33gtyui76htzlatyqzva5mwzyo5jsq23g3ggwa._file
Result
Malware family:
wshrat
Create hunting rule
Score:
  10/10
Tags:
family:vjw0rm family:wshrat persistence trojan worm
Link:
https://tria.ge/reports/221012-j29znadab2/
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://185.222.57.147:1989
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/89a2a7815855/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Vjw0rm
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/89a2a7815855b133037b34f1447fc79e5609e219a83acb670eea650d6cdb31ac

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments