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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb259275b86dc786f6d7f8eec24efd760797b021f1fbf3bd3b314c62fcd6b9d6. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb259275b86dc786f6d7f8eec24efd760797b021f1fbf3bd3b314c62fcd6b9d6
SHA3-384 hash: bcaa214351d303f14d5864808fd73324240a1e79c54f549d85b19f0fe5a9444163507f87c8b6070b137fe7f2af40bac0
SHA1 hash: 7a4fd9916414626225302b256d6b38416a615861
MD5 hash: cf455d9baa3fa1835049b1adc1877554
humanhash: nitrogen-december-finch-idaho
File name:DhOwavkvbkNew63006p0wer.js
Download: download sample
Signature Vjw0rm
Create hunting rule
File size:18'470 bytes
First seen:2022-07-23 01:20:10 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:Dj2Sj9M/DQDu46sT8f/DzsoeOSP25tSRIlQpXJzSvZ4V5cLYn:5j9M7TRsT8f7gHzuXsIYsW5csn
TLSH T126828ED15E21BF4EDF90114197ECEE2A3FED5B4A3021E43E6822620461F6845FE5F98D
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://185.157.162.187:63006/Vre

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://185.157.162.187:63006/Vre https://threatfox.abuse.ch/ioc/839182/

Intelligence

File Origin
# of uploads :
1
# of downloads :
355
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm evasive obfuscated
Link:
https://www.filescan.io/uploads/62db4d3f0e298a94f3f08e26/reports/9aa874c5-7ec1-4552-bb86-8b7b75657c07/overview
Result
Threat name:
VjW0rm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1039540
Signature
Antivirus detection for URL or domain
Drops script or batch files to the startup folder
JScript performs obfuscated calls to suspicious functions
Multi AV Scanner detection for domain / URL
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 672034 Sample: DhOwavkvbkNew63006p0wer.js Startdate: 23/07/2022 Architecture: WINDOWS Score: 100 31 franmhort.duia.ro 2->31 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Antivirus detection for URL or domain 2->47 49 3 other signatures 2->49 7 wscript.exe 1 15 2->7         started        12 wscript.exe 12 2->12         started        14 wscript.exe 12 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 37 185.157.162.187, 49757, 49779, 63006 OBE-EUROPEObenetworkEuropeSE Sweden 7->37 27 C:\Users\user\AppData\Roaming\wXVTfUKBQM.js, ASCII 7->27 dropped 29 C:\Users\user\...\DhOwavkvbkNew63006p0wer.js, ASCII 7->29 dropped 53 System process connects to network (likely due to code injection or exploit) 7->53 55 JScript performs obfuscated calls to suspicious functions 7->55 57 Drops script or batch files to the startup folder 7->57 59 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 7->59 18 wscript.exe 1 13 7->18         started        61 Wscript called in batch mode (surpress errors) 12->61 22 wscript.exe 12->22         started        39 franmhort.duia.ro 14->39 41 franmhort.duia.ro 16->41 file6 signatures7 process8 dnsIp9 33 franmhort.duia.ro 91.192.100.8, 49758, 49762, 49763 AS-SOFTPLUSCH Switzerland 18->33 25 C:\Users\user\AppData\...\wXVTfUKBQM.js, ASCII 18->25 dropped 35 192.168.2.1 unknown unknown 22->35 51 System process connects to network (likely due to code injection or exploit) 22->51 file10 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb259275b86dc786f6d7f8eec24efd760797b021f1fbf3bd3b314c62fcd6b9d6/
Threat name:
Script.Worm.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2022-07-23 01:21:07 UTC
File Type:
Text (JavaScript)
AV detection:
2 of 40 (5.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zmsze5nynxdyn5wx7dxmetx5oydzpmbb6h57hpj3gfggf7gwxhla._file
Result
Malware family:
vjw0rm
Create hunting rule
Score:
  10/10
Tags:
family:vjw0rm persistence trojan worm
Link:
https://tria.ge/reports/220723-bqnchsbah7/
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://185.157.162.187:63006
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cb259275b86d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/cb259275b86dc786f6d7f8eec24efd760797b021f1fbf3bd3b314c62fcd6b9d6

File information

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

Comments