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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d0241f0ed9b0a8e902b6e402e33c7a5dfaea0f9e9105e11a62a83d9e289f9fa. 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: 2d0241f0ed9b0a8e902b6e402e33c7a5dfaea0f9e9105e11a62a83d9e289f9fa
SHA3-384 hash: f648fe136124f954b095c65f9d8a7a28932c8b358fd1fbaf27916a2166c90158cb97dfc0a1fc0db9fb98bc5ebb701b12
SHA1 hash: cedaba613aefca83c103b8f50399dfa9a6a3981c
MD5 hash: c64bdd0d2ddf04507b70b6062d48c1c5
humanhash: juliet-vegan-north-sad
File name:receipt-0213023pdf.js
Download: download sample
Signature Vjw0rm
File size:3'882 bytes
First seen:2023-02-16 14:00:28 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 96:SABNo5D3k2c24ZRMHXE6/BIr+Ys+fJxDdQqR7bJyKhxOS4UK:zS42c24ZRMlBI6Ys+fJNfRfCp
TLSH T1DD812F9C284B863C57D23B8B802ED14CCDF548B47E28D2B5148DDAC5360ED7987B59BE
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://66.154.102.135:9401/Vre

Intelligence


File Origin
# of uploads :
1
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
75%
Tags:
anti-vm evasive obfuscated
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops script or batch files to the startup folder
JavaScript source code contains functionality to check for AV products
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
JScript performs obfuscated calls to suspicious functions
Multi AV Scanner detection for submitted file
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected VjW0rm
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 810229 Sample: receipt-0213023pdf.js Startdate: 16/02/2023 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Antivirus detection for dropped file 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 7 other signatures 2->54 7 wscript.exe 2 16 2->7         started        12 wscript.exe 13 2->12         started        14 wscript.exe 13 2->14         started        16 2 other processes 2->16 process3 dnsIp4 46 66.154.102.135, 49709, 49712, 49714 ASN-QUADRANET-GLOBALUS Canada 7->46 38 C:\...\receipt-0213023pdf.js:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\...\receipt-0213023pdf.js, ASCII 7->40 dropped 42 C:\...\receipt-0213023pdf.js:Zone.Identifier, ASCII 7->42 dropped 44 C:\Users\user\...\receipt-0213023pdf.js, ASCII 7->44 dropped 56 JScript performs obfuscated calls to suspicious functions 7->56 58 Drops script or batch files to the startup folder 7->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 7->60 62 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 7->62 18 schtasks.exe 1 7->18         started        64 System process connects to network (likely due to code injection or exploit) 12->64 20 schtasks.exe 1 12->20         started        22 schtasks.exe 1 14->22         started        24 schtasks.exe 1 16->24         started        26 schtasks.exe 1 16->26         started        file5 signatures6 process7 process8 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        36 conhost.exe 26->36         started       
Threat name:
Script-JS.Downloader.Vajawom
Status:
Malicious
First seen:
2023-02-15 19:15:10 UTC
File Type:
Text (VBS)
AV detection:
23 of 39 (58.97%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:vjw0rm persistence trojan worm
Behaviour
Creates scheduled task(s)
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://66.154.102.135:9401
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