MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3899a535c02c68254006e46980f04bfe12a084b5cbac697f0075013c5bf0148b. 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


Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3899a535c02c68254006e46980f04bfe12a084b5cbac697f0075013c5bf0148b
SHA3-384 hash: 4fe82383a2dc879eeb91bc0201e50431cfab2e8a38286d0558df787c6bc01f8468d563625c00a32016b729a01fb2df7f
SHA1 hash: 2d72a660be8ad3e14bb457c76162f0e989e0da47
MD5 hash: f6c80906e1fe833a74a3392e49f420ac
humanhash: mockingbird-autumn-west-london
File name:invoice.js
Download: download sample
File size:63'255 bytes
First seen:2026-04-15 07:57:13 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:4RAeMY6uwym/TgLnvMXlF4oLZ9nh11WL3fPrifiaLHbjbmxag1P+4cXNXCfQ31+L:itvD0nLkm4e+d1QLo1
TLSH T114531345D79C0BB73DDC25BBB68502894D2FEE21C988E8FB26158F8B9D5C6C405EDC22
Magika javascript
Reporter abuse_ch
Tags:js

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69df462b45787c53e539df5a
Tags:
ransomware
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint lolbin masquerade repaired wscript
Link:
https://www.filescan.io/uploads/69df4663fd15f1ca1ccff5c5/reports/1ccbb460-46f8-4297-9d0d-5f46ce277488/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/3899a535c02c68254006e46980f04bfe12a084b5cbac697f0075013c5bf0148b
Verdict:
Malicious
File Type:
js
First seen:
2026-04-14T13:02:00Z UTC
Last seen:
2026-04-16T16:59:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb Trojan-Downloader.PowerShell.NanoShield.sb
Link:
https://opentip.kaspersky.com/3899a535c02c68254006e46980f04bfe12a084b5cbac697f0075013c5bf0148b/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1898515
Signature
Antivirus detection for URL or domain
Creates processes via WMI
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Decrypt And Execute Base64 Data
Sigma detected: Suspicious PowerShell IEX Execution Patterns
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/3899a535c02c68254006e46980f04bfe12a084b5cbac697f0075013c5bf0148b
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3899a535c02c68254006e46980f04bfe12a084b5cbac697f0075013c5bf0148b/
Verdict:
Malicious
Threat:
Family.REVERSELOADER
Link:
https://tip.neiki.dev/file/3899a535c02c68254006e46980f04bfe12a084b5cbac697f0075013c5bf0148b
Threat name:
Script-JS.Trojan.Acsogenixx
Create hunting rule
Status:
Malicious
First seen:
2026-04-14 17:49:21 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hcm2knoafruckqag4ruyb4cl7yjkbbfvzowgs7yaouatyw7qcsfq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution
Link:
https://tria.ge/reports/260415-jvzv4shs4q/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3899a535c02c68254006e46980f04bfe12a084b5cbac697f0075013c5bf0148b

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:ClamAV_Emotet_String_Aggregate
Create hunting rule

File information

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

Comments