MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7799beec368393195dfe5488eef2ceeb867d016df5913a38730c69ea73f90d0. 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


AsyncRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7799beec368393195dfe5488eef2ceeb867d016df5913a38730c69ea73f90d0
SHA3-384 hash: 844ca30ef96b3ba8a6081fa40f9f7da9526accd6353883499fdff8018d25b66c6836162643b73b84603f7ae5504d9c92
SHA1 hash: 4b1bbb8d0b3338a9136bb66eae2e89782da645da
MD5 hash: 7c2ab991c325e25467b44cbf98b150bc
humanhash: arizona-fillet-dakota-earth
File name:WMIEventLogs.js
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:6'631'941 bytes
First seen:2025-11-08 08:02:14 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:fbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb7:UTfogxoonFPLWgwHfoIPZwim4Ewww0Q
Threatray 1 similar samples on MalwareBazaar
TLSH T1A16623801E1C1D5A98CC3C4A8E13C74D672DBA029DC5551ABCA0F6EC6691E3DA3F9CF6
Magika javascript
Reporter abuse_ch
Tags:AsyncRAT js

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690ef94f3afb53888cc9a26a
Tags:
ransomware obfuscate xtreme
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 base64 fingerprint obfuscated obfuscated overlay powershell repaired
Link:
https://www.filescan.io/uploads/690ef946f6e846549f39013e/reports/e2ec21cf-e89b-4e18-b3b7-963a86c98c0f/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a7799beec368393195dfe5488eef2ceeb867d016df5913a38730c69ea73f90d0
Verdict:
Malicious
File Type:
js
First seen:
2025-11-06T15:28:00Z UTC
Last seen:
2025-11-08T20:13:00Z UTC
Hits:
~100
Detections:
Backdoor.DCRat.TCP.C&C Trojan.JS.SAgent.sb HEUR:Trojan.Script.SAgent.gen Trojan.Agentb.TCP.C&C
Link:
https://opentip.kaspersky.com/a7799beec368393195dfe5488eef2ceeb867d016df5913a38730c69ea73f90d0/results?tab=lookup
Result
Threat name:
AsyncRAT, Caminho Loader, Dacic, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1810393
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Found malware configuration
Found Tor onion address
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 uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
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 AsyncRAT
Yara detected Caminho Loader
Yara detected Dacic
Yara detected DcRat
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810393 Sample: WMIEventLogs.js Startdate: 08/11/2025 Architecture: WINDOWS Score: 100 19 sitioseguroswpersonasapp.duckdns.org 2->19 21 securityhealthservice.ydns.eu 2->21 23 8 other IPs or domains 2->23 31 Suricata IDS alerts for network traffic 2->31 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 39 15 other signatures 2->39 8 wscript.exe 1 2->8         started        signatures3 37 Uses dynamic DNS services 19->37 process4 signatures5 41 Suspicious powershell command line found 8->41 43 Wscript starts Powershell (via cmd or directly) 8->43 45 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->45 47 2 other signatures 8->47 11 powershell.exe 14 15 8->11         started        process6 dnsIp7 25 sitioseguroswpersonasapp.duckdns.org 181.206.158.190, 1000, 49697, 49698 ColombiaMovilCO Colombia 11->25 27 archive.org 207.241.224.2, 49689, 80 INTERNET-ARCHIVEUS United States 11->27 29 ia600202.us.archive.org 207.241.227.222, 49690, 80 INTERNET-ARCHIVEUS United States 11->29 49 Found Tor onion address 11->49 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->51 53 Writes to foreign memory regions 11->53 55 Injects a PE file into a foreign processes 11->55 15 MSBuild.exe 1 2 11->15         started        17 conhost.exe 11->17         started        signatures8 process9
Score:
6%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/a7799beec368393195dfe5488eef2ceeb867d016df5913a38730c69ea73f90d0
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a7799beec368393195dfe5488eef2ceeb867d016df5913a38730c69ea73f90d0/
Verdict:
Malicious
Threat:
Family.ASYNCRAT
Link:
https://tip.neiki.dev/file/a7799beec368393195dfe5488eef2ceeb867d016df5913a38730c69ea73f90d0
Threat name:
Win32.Trojan.Etset
Create hunting rule
Status:
Malicious
First seen:
2025-11-07 09:01:31 UTC
File Type:
Binary
AV detection:
8 of 37 (21.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u54zx3wdna4tdfo74vei53zm524gpuaw35mrhi4hgddj5jz7sdia._file
Verdict:
malicious
Label(s):
dcrat
Create hunting rule
Similar samples:
error
AsyncRAT
Result
Malware family:
phantomvai
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:phantomvai botnet:oct respaldo discovery execution loader rat
Link:
https://tria.ge/reports/251108-jxk5qsdr8s/
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
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
AsyncRat
Asyncrat family
Detects PhantomVAI loader aka VMDetectLoader, CaminhoLoader
PhantomVAI, VMDetectLoader, CaminhoLoader
Phantomvai family
Process spawned unexpected child process
Malware Config
C2 Extraction:
securityhealthservice.ydns.eu:1000
Dropper Extraction:
http://archive.org/download/optimized_msi_20251104/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/a7799beec368393195dfe5488eef2ceeb867d016df5913a38730c69ea73f90d0

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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Web download

AsyncRAT

Java Script (JS) js a7799beec368393195dfe5488eef2ceeb867d016df5913a38730c69ea73f90d0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3597685/
  
Delivery method
Distributed via web download

Comments