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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f320ac0d8f435a328e394c7b895bad0e3a86f94dc3c492ffd2fc680a2d8eca2. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f320ac0d8f435a328e394c7b895bad0e3a86f94dc3c492ffd2fc680a2d8eca2
SHA3-384 hash: 9f529ad6287fbffe855dce8d10ae715c5e373dd112356d122e8dc5e7fd9d901bdabf665b3f9631e12df58e984683cebb
SHA1 hash: 07ddd944441342bc291ec3aedbdb0363a7b20f5c
MD5 hash: 0b5aacc1ccd2f9d5156ef0cbb29c3e4e
humanhash: july-three-early-nuts
File name:POAUG29.js
Download: download sample
Signature Vjw0rm
Create hunting rule
File size:12'218 bytes
First seen:2022-08-29 11:16:11 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 192:MSHX72nk70b5PCcm11uqn6FgnG0hl/NMmNIRW/IFAHsKnAiRA2d+KSg2SwIlQKRw:rHr27bAMzzUVDlAA1AKAdKSg2SwQQKRw
TLSH T11F425CA22C78BE8D47434482977E4C95BBDC4D1624B06C0EEE30F20415FA866DA6FD7C
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://favour123.duckdns.org:1978/Vre

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://favour123.duckdns.org:1978/Vre https://threatfox.abuse.ch/ioc/846069/

Intelligence

File Origin
# of uploads :
1
# of downloads :
367
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.PUA.JS.Obfus-2183.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm evasive obfuscated
Link:
https://www.filescan.io/uploads/630ca0c05b45ec20ccd5b8af/reports/1563699a-5304-4349-a55d-5840826d5efa/overview
Result
Threat name:
VjW0rm
Create hunting rule
Detection:
malicious
Classification:
evad.troj.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1059779
Signature
Drops script or batch files to the startup folder
Multi AV Scanner detection for submitted file
Potential malicious VBS/JS script found (suspicious encoded strings)
Potential obfuscated javascript found
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 dynamic DNS services
Uses known network protocols on non-standard ports
Wscript called in batch mode (surpress errors)
Yara detected VjW0rm
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f320ac0d8f435a328e394c7b895bad0e3a86f94dc3c492ffd2fc680a2d8eca2/
Threat name:
Script-JS.Trojan.Cryxos
Create hunting rule
Status:
Malicious
First seen:
2022-08-29 11:17:04 UTC
File Type:
Text (JavaScript)
AV detection:
8 of 40 (20.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=f4zavqgy6q22gkhdstd3rfn22dr2q34u3q6esl75f7dibiwy5sra._file
Result
Malware family:
vjw0rm
Create hunting rule
Score:
  10/10
Tags:
family:vjw0rm trojan worm
Link:
https://tria.ge/reports/220829-ndpe9shfc3/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Vjw0rm
Malware Config
C2 Extraction:
http://favour123.duckdns.org:1978
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/2f320ac0d8f435a328e394c7b895bad0e3a86f94dc3c492ffd2fc680a2d8eca2

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:SUSP_obfuscated_JS_obfuscatorio
Create hunting rule
Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io

File information

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

Comments