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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b46390699324ac86769f0196065f992ca7576cff4417044bf987ae0f52829b5d. 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 1 YARA File information Comments

SHA256 hash: b46390699324ac86769f0196065f992ca7576cff4417044bf987ae0f52829b5d
SHA3-384 hash: f7568933672a2d8c72ce517f927dd7ac2594aceda27aba9b7855f7d3fc0fda1fc9eb6b55a779dd589b49122fddf22bee
SHA1 hash: 02e24e112878e1cc580b0d93a7f167f91336d7f8
MD5 hash: b07d5c907ab0e2d697eac1872c82060a
humanhash: princess-montana-magazine-sixteen
File name:dPFhxftFKAvajay.js
Download: download sample
Signature Vjw0rm
File size:20'751 bytes
First seen:2022-09-06 06:25:54 UTC
Last seen:2022-09-06 07:45:10 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:4bxiLjQikIhzQhXOdjeBciOdFIuiOdhEd94HFPaGnSb7qnIl9YD9p20kl:6gLkikIhMOYHOQpOmKFGb7+IUCl
TLSH T14692BFE55F187F55AF84018102ADE80C7BFC5F1B2D18140FA673E3C99662EA9B42F69C
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://212.193.30.230:7975/Vre

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://212.193.30.230:7975/Vre https://threatfox.abuse.ch/ioc/848072/

Intelligence


File Origin
# of uploads :
2
# of downloads :
282
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
Creates multiple autostart registry keys
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
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
Wscript called in batch mode (surpress errors)
Yara detected VjW0rm
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 697937 Sample: dPFhxftFKAvajay.js Startdate: 06/09/2022 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Antivirus detection for URL or domain 2->50 52 Yara detected VjW0rm 2->52 54 4 other signatures 2->54 6 wscript.exe 2 15 2->6         started        11 wscript.exe 12 2->11         started        13 wscript.exe 2->13         started        15 4 other processes 2->15 process3 dnsIp4 40 212.193.30.230, 49758, 49773, 49792 SPD-NETTR Russian Federation 6->40 30 C:\...\dPFhxftFKAvajay.js:Zone.Identifier, ASCII 6->30 dropped 32 C:\Users\user\AppData\...\dPFhxftFKAvajay.js, ASCII 6->32 dropped 34 C:\Users\user\AppData\Roaming\CcxCiObhLd.js, ASCII 6->34 dropped 60 System process connects to network (likely due to code injection or exploit) 6->60 62 JScript performs obfuscated calls to suspicious functions 6->62 64 Drops script or batch files to the startup folder 6->64 66 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 6->66 17 wscript.exe 1 13 6->17         started        68 Creates multiple autostart registry keys 11->68 70 Wscript called in batch mode (surpress errors) 11->70 21 wscript.exe 11->21         started        24 wscript.exe 13->24         started        42 javaautorun.duia.ro 15->42 44 javaautorun.duia.ro 15->44 46 javaautorun.duia.ro 15->46 26 wscript.exe 15->26         started        file5 signatures6 process7 dnsIp8 36 javaautorun.duia.ro 91.192.100.8, 49759, 49763, 49764 AS-SOFTPLUSCH Switzerland 17->36 28 C:\Users\user\AppData\...\CcxCiObhLd.js, ASCII 17->28 dropped 56 System process connects to network (likely due to code injection or exploit) 21->56 58 Creates multiple autostart registry keys 24->58 38 192.168.2.1 unknown unknown 26->38 file9 signatures10
Threat name:
Script.Trojan.Vjw0rm
Status:
Malicious
First seen:
2022-09-06 06:12:38 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 25 (36.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vjw0rm persistence trojan worm
Behaviour
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://212.193.30.230:7975
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