MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b56d67f497038cfca55a4e7ad62a4f43a2d1267c15cd22094dca9735163bf65d. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: b56d67f497038cfca55a4e7ad62a4f43a2d1267c15cd22094dca9735163bf65d
SHA3-384 hash: 770b17168a1e5a4014e35758e460650e0086842fe012b3d68d59b6b9121cee44462bef8e3ee2590da00d9bfb51df8ec8
SHA1 hash: d8e364d37e685b7684f8fddb5532e3d030c6dca0
MD5 hash: 9e6d2e2e599fcc56a563e2b7ff45cfc8
humanhash: pip-eight-ten-oklahoma
File name:9e6d2e2e599fcc56a563e2b7ff45cfc8.vbs
Download: download sample
Signature QuasarRAT
File size:1'610'233 bytes
First seen:2026-03-08 07:05:58 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 24576:maaZwHzp81iARucvNDTPIZx3yrfGAYTPrr/WvrLaXxLs46:m1ZfpNDTw3fzrzkrmc
Threatray 111 similar samples on MalwareBazaar
TLSH T10F751231C677BD7F0A2C2E4654073DD05C3C6BE742ACC1BBBA8676B7E2A2584CD09660
Magika vba
Reporter abuse_ch
Tags:QuasarRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
99.1%
Tags:
micro virus remo
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 dropper obfuscated obfuscated packed
Verdict:
Malicious
File Type:
vbs
Detections:
Backdoor.MSIL.PulsarRAT.mj PDM:Trojan.Win32.Generic Trojan-PSW.MSIL.Agent.sb Trojan.Win64.Agentb.sb Trojan.Win32.Shellcode.sb Trojan-Dropper.JS.SDrop.sb Trojan-Downloader.JS.Cryptoload.sb Trojan.MSIL.Agent.sb Backdoor.PulsarRAT.TCP.C&C Backdoor.MSIL.PulsarRAT.sb Backdoor.MSIL.Agent.sb HEUR:Trojan-Dropper.Script.Generic HEUR:Trojan.Script.Generic
Result
Threat name:
DonutLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Malicious sample detected (through community Yara rule)
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)
Yara detected DonutLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1880144 Sample: FFQk7eJWJW.vbs Startdate: 08/03/2026 Architecture: WINDOWS Score: 100 28 ipwho.is 2->28 34 Suricata IDS alerts for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 5 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 30 170.205.30.222, 4888, 49721, 49724 HNBCOL-ASUS United States 11->30 32 ipwho.is 172.66.175.107, 443, 49723 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
Verdict:
Malware
YARA:
2 match(es)
Tags:
ADODB.Stream Base64 Block Base64 Payload Contains Base64 Block DeObfuscated Executable Microsoft.XMLDOM Obfuscated PDB Path PE (Portable Executable) PE File Layout PE Memory-Mapped (Dump) Scripting.FileSystemObject T1059.005 VBScript WScript.Shell
Threat name:
Win32.Trojan.Etset
Status:
Malicious
First seen:
2026-03-06 01:33:33 UTC
File Type:
Text (VBS)
AV detection:
8 of 23 (34.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:donutloader family:quasar loader spyware stealer trojan
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
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.

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
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.

Comments