MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 561dea3827ffaaf208ace7cb3390725bff4f6c1dcb5fc83ce1efc00fe18f8ae8. 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


QuasarRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 561dea3827ffaaf208ace7cb3390725bff4f6c1dcb5fc83ce1efc00fe18f8ae8
SHA3-384 hash: 397ae458ee75c5ebb0f35c2c5d81384b91a460a445f2213fd8a878acdb4934707ff219f8e08332d669897c9d3fbdf416
SHA1 hash: 784a2de3e2bdffff8a902dddfa3655f19e758a93
MD5 hash: 7d3429c94fba92e0427b842ecc36e5c7
humanhash: bluebird-alanine-october-sodium
File name:7d3429c94fba92e0427b842ecc36e5c7.vbs
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'560'613 bytes
First seen:2026-02-27 17:14:15 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 24576:0f36fcDPYscrUaAc6V5DGuLJwgsVZEOEnfcIrrOSnBFtCWu64493cKek:0f34yicJOMEDOmk
Threatray 106 similar samples on MalwareBazaar
TLSH T18E751272070F7DBE0EBC2F1C905A3E551DEC2A87404C6552EFC8A8FBA2B55448E5EE61
Magika vba
Reporter abuse_ch
Tags:QuasarRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
56
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/54921/
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PUA.Base64EXE-2.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26270.JsHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26271.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a1d0fac950ab5d9ab22d8b
Tags:
micro virus remo
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 dropper obfuscated obfuscated packed
Link:
https://www.filescan.io/uploads/69a1d12891ad9169e5349e01/reports/2e5afe90-4dd6-434d-8450-6bfdd9ebe037/overview
Verdict:
Malicious
Labled as:
GT:VB.Dropper.2
Link:
https://www.hybrid-analysis.com/sample/561dea3827ffaaf208ace7cb3390725bff4f6c1dcb5fc83ce1efc00fe18f8ae8
Verdict:
Malicious
File Type:
vbs
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.Convagent.gen Backdoor.PulsarRAT.TCP.C&C Backdoor.MSIL.PulsarRAT.sb Trojan-Dropper.JS.SDrop.sb Trojan.MSIL.Agent.sb Backdoor.MSIL.Agent.sb Backdoor.MSIL.PulsarRAT.lx Trojan.Win64.Agentb.sb Trojan-Downloader.JS.Cryptoload.sb HEUR:Trojan-Banker.MSIL.ClipBanker.gen Trojan-PSW.MSIL.Agent.sb Trojan.Win32.Shellcode.sb HEUR:Trojan-Dropper.Script.Generic HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/561dea3827ffaaf208ace7cb3390725bff4f6c1dcb5fc83ce1efc00fe18f8ae8/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1876135
Signature
.NET source code contains potential unpacker
Benign windows process drops PE files
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential evasive VBS script found (sleep loop)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1876135 Sample: WFmfVSXIq9.vbs Startdate: 27/02/2026 Architecture: WINDOWS Score: 100 28 ipwho.is 2->28 34 Suricata IDS alerts for network traffic 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 .NET source code contains potential unpacker 2->38 40 3 other signatures 2->40 7 wscript.exe 4 2->7         started        signatures3 process4 file5 16 C:\Users\user\AppData\...\application.exe, PE32+ 7->16 dropped 18 C:\Users\user\AppData\...\instructions.jpg, JPEG 7->18 dropped 42 Benign windows process drops PE files 7->42 44 VBScript performs obfuscated calls to suspicious functions 7->44 46 Windows Scripting host queries suspicious COM object (likely to drop second stage) 7->46 48 WScript reads language and country specific registry keys (likely country aware script) 7->48 11 application.exe 15 28 7->11         started        signatures6 process7 dnsIp8 30 170.205.31.212, 49695, 9000 HNBCOL-ASUS United States 11->30 32 ipwho.is 172.66.175.107, 443, 49697 CLOUDFLARENETUS United States 11->32 20 C:\Users\user\AppData\Roaming\...\SharpDX.dll, PE32 11->20 dropped 22 C:\Users\user\...\SharpDX.Mathematics.dll, PE32 11->22 dropped 24 C:\Users\user\...\SharpDX.Direct3D11.dll, PE32 11->24 dropped 26 11 other malicious files 11->26 dropped 50 Multi AV Scanner detection for dropped file 11->50 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->52 54 Query firmware table information (likely to detect VMs) 11->54 56 5 other signatures 11->56 file9 signatures10
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/561dea3827ffaaf208ace7cb3390725bff4f6c1dcb5fc83ce1efc00fe18f8ae8
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/561dea3827ffaaf208ace7cb3390725bff4f6c1dcb5fc83ce1efc00fe18f8ae8/
Verdict:
Malicious
Threat:
Family.QUASARRAT
Link:
https://tip.neiki.dev/file/561dea3827ffaaf208ace7cb3390725bff4f6c1dcb5fc83ce1efc00fe18f8ae8
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-02-26 23:06:28 UTC
File Type:
Text (VBS)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kyo6uobh76vpecfm47fthedslp7u63a5znp4qphb57aa7ymprlua._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
donutloader
Create hunting rule
Similar samples:
0455ebce0a62e2413a730a8e172cde5e6171d2a3569c4620c7e10a6ff04a3710
QuasarRAT
09da583b39c72696ae98d24d518c838e4a59ba564074107df6528d9234c76253
QuasarRAT
0a2c887c8a3b30519f8c1750b8eba2df2ede2710b1fbb71f26c2acff3ececff8
QuasarRAT
8b285bfafb3e876e29f04165896276d17f0998e2b02f97c90a28c34ab53ee866
QuasarRAT
9250584a4878cae6188ba7eafa667e4612afbfb89e2698bbc5ceb7fa17cddc08
QuasarRAT
c3a1146bf6e791105fdbd64cc28f99a7ff82f356ff8c5c155755bdc0b549c826
QuasarRAT
d797019b2ff011ae71e9e700e8f9a16cb463af646aae4815654ae79e09f59ceb
QuasarRAT
e27288fcd6c3ccbadf90d37481ff6b407e31eeb33f775e5110be3e75401879b9
QuasarRAT
error
QuasarRAT
f7768221e22a36ee37655231cb332642f346610c8b2e05f1368e7b81409730fd
QuasarRAT
fff8ec58e389bfcec03ca66fe8bee39b849a948174472de91eb160ae35b78365
QuasarRAT
+ 96 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:donutloader family:quasar loader spyware trojan
Link:
https://tria.ge/reports/260227-vr4wfaaw8f/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Detects DonutLoader
DonutLoader
Donutloader family
Quasar RAT
Quasar family
Quasar payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/561dea3827ffaaf208ace7cb3390725bff4f6c1dcb5fc83ce1efc00fe18f8ae8

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/54921/

Comments