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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3708ca56dc71073eed421b174b58df12381eea2db4ae7b5966b02a7ea3a175b. 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: 6


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: c3708ca56dc71073eed421b174b58df12381eea2db4ae7b5966b02a7ea3a175b
SHA3-384 hash: fc1e9d2b25cea1b196729a56e0b9cc539fc72ebfa1d9291e721a83a3ef4c9bc055acdac705afaaa7aa6e6601a26c3adf
SHA1 hash: 88936a5c4be3c38e1a6793b7be22c62924fe9421
MD5 hash: 5347f986bc63f447116cc3ff9c991c38
humanhash: georgia-blossom-crazy-shade
File name:E-receipt #202110206-NNG.js
Download: download sample
Signature Vjw0rm
File size:808'960 bytes
First seen:2023-02-07 00:10:34 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:zjYMb67+0Ljek5tpTzADckX4gcch7688KCtDEj/ZjlNO3pOmDZp:pY+KestpTocfchV8VEjBjlNO5OkZp
TLSH T1B405CE8473CC948ED3F175794BBC2B0D9A7EC4B1D86468E5F553A820E461F228F9C9B2
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://wenotgivingup.duckdns.org:7992/Vre

Intelligence


File Origin
# of uploads :
1
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
96 / 100
Signature
Drops script or batch files to the startup folder
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
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 799969 Sample: E-receipt #202110206-NNG.js Startdate: 07/02/2023 Architecture: WINDOWS Score: 96 44 Multi AV Scanner detection for submitted file 2->44 46 Sigma detected: VjW0rm 2->46 48 Sigma detected: Drops script at startup location 2->48 50 Uses dynamic DNS services 2->50 7 wscript.exe 2 16 2->7         started        12 wscript.exe 13 2->12         started        14 wscript.exe 13 2->14         started        16 wscript.exe 2->16         started        process3 dnsIp4 42 wenotgivingup.duckdns.org 185.225.74.215, 49695, 49696, 49698 MAYAKBG Germany 7->42 34 E-receipt #2021102....js:Zone.Identifier, ASCII 7->34 dropped 36 C:\Users\user\...-receipt #202110206-NNG.js, ASCII 7->36 dropped 38 E-receipt #2021102....js:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\...-receipt #202110206-NNG.js, ASCII 7->40 dropped 52 System process connects to network (likely due to code injection or exploit) 7->52 54 JScript performs obfuscated calls to suspicious functions 7->54 56 Drops script or batch files to the startup folder 7->56 58 2 other signatures 7->58 18 schtasks.exe 1 7->18         started        20 schtasks.exe 1 12->20         started        22 schtasks.exe 1 14->22         started        24 schtasks.exe 1 16->24         started        file5 signatures6 process7 process8 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started       
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://wenotgivingup.duckdns.org:7992
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