MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f78f28bed3f3bde52820f679af796dc98eeb25067bcff76a4935d8712e80d5e8. 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: 16
| SHA256 hash: | f78f28bed3f3bde52820f679af796dc98eeb25067bcff76a4935d8712e80d5e8 |
|---|---|
| SHA3-384 hash: | 754eaadaaed0702a7b11e801b4fe21a843238eabe282f1ceea39f938f0ef82e371e8263f104fe7b45f7e176492f5af9d |
| SHA1 hash: | 5ba7133848ae4019ba9a76083e5064912b15a0c6 |
| MD5 hash: | 25304cba1af5d7a626c29a9c74b01cfe |
| humanhash: | music-william-kansas-fish |
| File name: | DeadCl.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 49'664 bytes |
| First seen: | 2026-05-02 04:39:53 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'040 x Formbook, 12'353 x SnakeKeylogger) |
| ssdeep | 768:ibPBxIruUlWgB3y3g8KEzDcwbtKNmRhJMehLOzWUpn9uSx:ibPBxIHlWkGkwbtKy1OJuw |
| TLSH | T1BA23E988B3D90131C8BF27B16873121982F476A34916DA1F7CC852DE7B27B998641EF3 |
| TrID | 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.6% (.EXE) Win64 Executable (generic) (6522/11/2) 4.5% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| Reporter |  BastianHein |
| Tags: | AsyncRAT exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
161
Origin country :
CLVendor Threat Intelligence
Malware configuration found for:
MasonRAT
Details
MasonRAT
a c2 socket address or dead-drop resolver url, a mutex, a filename, and an SPL value
Malware family:
rootkit
ID:
1
File name:
DeadCl.exe
Verdict:
Malicious activity
Analysis date:
2026-05-02 04:24:12 UTC
Tags:
auto r77 rootkit susp-powershell xworm violet rat api-base64 amsi-bypass
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a file
Creating a file in the system32 subdirectories
Unauthorized injection to a recently created process
Setting browser functions hooks
Forced shutdown of a system process
Enabling autorun by creating a file
Using obfuscated Powershell scripts
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm asyncrat base64 cmd lolbin obfuscated reconnaissance schtasks unsafe vbnet xworm
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-02T01:31:00Z UTC
Last seen:
2026-05-04T00:34:00Z UTC
Hits:
~10
Detections:
Backdoor.MSIL.Mason.sb HEUR:Backdoor.MSIL.Mason.gen
Malware family:
XWorm
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.16 Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.NEPTUNERAT
Threat name:
Win32.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2026-05-02 04:24:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 36 (66.67%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
neptunerat
Score:
10/10
Tags:
family:neptunerat defense_evasion discovery execution persistence trojan
Behaviour
Modifies data under HKEY_USERS
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Executes dropped EXE
Indicator Removal: Clear Windows Event Logs
Detects NeptuneRAT stealer
Family: NeptuneRAT, MasonRAT
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
f78f28bed3f3bde52820f679af796dc98eeb25067bcff76a4935d8712e80d5e8
MD5 hash:
25304cba1af5d7a626c29a9c74b01cfe
SHA1 hash:
5ba7133848ae4019ba9a76083e5064912b15a0c6
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: | Detect_PowerShell_Obfuscation |
|---|---|
| Author: | daniyyell |
| Description: | Detects obfuscated PowerShell commands commonly used in malicious scripts. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows executables referencing non-Windows User-Agents |
| Rule name: | MALWARE_Win_AsyncRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects AsyncRAT |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
| 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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