MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9614ef4ee182fb6ee147ba8ebad8e68679010e792b0fd4108127e28538791b74. 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: 10
| SHA256 hash: | 9614ef4ee182fb6ee147ba8ebad8e68679010e792b0fd4108127e28538791b74 |
|---|---|
| SHA3-384 hash: | 5e680bd3efd1f21fbde1a3eee79e6b6a574be3f9f1ea6e48abc18101057829a6ca0426f1fc3cf11a122bc7ef49d82bd5 |
| SHA1 hash: | 4383b42b578bfbdaeff50d142279884c4fe1e642 |
| MD5 hash: | 1b0b46d1763c77083efce4aa3245d2d7 |
| humanhash: | stream-mockingbird-violet-violet |
| File name: | s.bat |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 4'826'371 bytes |
| First seen: | 2025-11-03 08:19:19 UTC |
| Last seen: | Never |
| File type: |  bat |
| MIME type: | text/x-msdos-batch |
| ssdeep | 24576:fYuQr1IbK/SRJTOV3mYEjpypMrEvrV58i0wKS3vsImaukbil5msfStn5F1D/02h2:x |
| Threatray | 105 similar samples on MalwareBazaar |
| TLSH | T1EA26DEE634A5BC94DDEFD25F84AE8B79B35E0682D707218A131F1D584A6340F3A849CF |
| Magika | batch |
| Reporter |  JAMESWT_WT |
| Tags: | bat QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
68
Origin country :
ITVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
s.bat
Verdict:
No threats detected
Analysis date:
2025-11-03 08:16:32 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
97.4%
Tags:
ransomware dropper emotet sage
Result
Verdict:
Malware
Maliciousness:
Behaviour
Running batch commands
Launching cmd.exe command interpreter
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Changing the Zone.Identifier stream
Sending a custom TCP request
Creating a file
Сreating synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Connection attempt
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-11-03T07:40:00Z UTC
Last seen:
2025-11-04T14:28:00Z UTC
Hits:
~10
Detections:
Trojan.Win64.Donut.sb Trojan.Win32.Vimditator.sb Trojan.Win32.Shellcode.sb Trojan.Win32.Agent.sb Trojan.PowerShell.Cobalt.sb HEUR:Backdoor.MSIL.Agent.gen Backdoor.MSIL.Cardinal.sb Backdoor.MSIL.Agent.sb Trojan-PSW.MSIL.Agent.sb Trojan-Dropper.Win32.Injector.sb Trojan.Win64.DonutInjector.sb Trojan.MSIL.Quasar.a Trojan.MSIL.Agent.sb Backdoor.Win32.Androm PDM:Trojan.Win32.Generic HEUR:Trojan.BAT.Alien.gen
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
Malicious
Threat:
Family.DONUTLOADER
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
donutloader
quasarrat
Similar samples:
+ 95 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:donutloader family:quasar adware defense_evasion execution loader persistence spyware trojan
Behaviour
Checks SCSI registry key(s)
Delays execution with timeout.exe
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Views/modifies file attributes
Adds Run key to start application
Enumerates connected drives
Boot or Logon Autostart Execution: Active Setup
Command and Scripting Interpreter: PowerShell
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:
Malicious File
Score:
1.00
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: | Base64_Encoded_Powershell_Directives |
|---|
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | SUSP_Base64 |
|---|---|
| Author: | Eslam Hassan |
| Description: | Detects hex encoded code that has been base64 encoded |
| Reference: | Internal Research |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| 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.
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