MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 520aa5f9f233057e70c40f9c7c3f417da4d0e1dd400a2dd4ff61d18b759ce8d0. 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: 20


Intelligence 20 IOCs YARA 16 File information Comments 1

SHA256 hash: 520aa5f9f233057e70c40f9c7c3f417da4d0e1dd400a2dd4ff61d18b759ce8d0
SHA3-384 hash: 90fb7ea784d0381c21e38979a4d221167fd85cf1248748d6e51d69b464a50304d30d1cd6ec061f2ba4e55aafad6624aa
SHA1 hash: e4aaf6ef956af48cb888c8e5c499bf944d148d97
MD5 hash: 35a8a15871c8e901133162f1dbb9a26f
humanhash: sad-hamper-xray-beryllium
File name:XClient.exe
Download: download sample
Signature AsyncRAT
File size:30'720 bytes
First seen:2026-04-05 15:20:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'877 x AgentTesla, 19'799 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 768:qecbl/b37gMYAoRN9E2uBFE9RzOqh7bV:hcxS9E24FE9RzOqdx
Threatray 2'453 similar samples on MalwareBazaar
TLSH T147D24C483BE84327D6FE2FF229B2A10102759507D923EF5F5CD885A7AF67B8142003E6
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter BastianHein
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
176
Origin country :
CL CL
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
XClient.exe
Verdict:
Malicious activity
Analysis date:
2026-04-05 15:06:56 UTC
Tags:
xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
asyncrat stration micro remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 packed packer_detected reconnaissance vbnet xworm
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-05T12:10:00Z UTC
Last seen:
2026-04-05T22:38:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.MSIL.PowerShell.gen Backdoor.MSIL.XWorm.c Backdoor.MSIL.XWorm.b Backdoor.Agent.TCP.C&C
Verdict:
XWorm
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout RAT SOS: 0.24 Win 32 Exe x86 XWorm
Malware Config
C2 Extraction:
CNC: 8.148.5.193
PORT: 12748
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Status:
Malicious
First seen:
2026-04-05 15:07:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 37 (86.49%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm rat trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
8.148.5.193:12748
Unpacked files
SH256 hash:
520aa5f9f233057e70c40f9c7c3f417da4d0e1dd400a2dd4ff61d18b759ce8d0
MD5 hash:
35a8a15871c8e901133162f1dbb9a26f
SHA1 hash:
e4aaf6ef956af48cb888c8e5c499bf944d148d97
Detections:
win_xworm_a0 win_xworm_w0 XWorm
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:ByteCode_MSIL_Backdoor_AsyncRAT
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
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:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
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)
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Windows_Generic_Threat_8eb547db
Author:Elastic Security
Rule name:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Author:jeFF0Falltrades
Rule name:XWorm
Author:ditekSHen
Description:Detects XWorm

File information


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

Comments



Avatar
commented on 2026-04-05 15:26:09 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "520aa5f9f233057e70c40f9c7c3f417da4d0e1dd400a2dd4ff61d18b759ce8d0",
"yara_possible_family": "xworm",
"key": "2c0d1bbd66c70cc4aff224175ea5242c0d1bbd66c70cc4aff224175ea5249f00",
"salt": "None",
"config": {
"Host": "8.148.5.193",
"Ports": [
"12748"
],
"KEY": "j\u0647\u0643\u0631 lasz",
"SPL": "<Xwormmm>",
"Sleep": 3,
"USBNM": "USB.exe",
"Mutex": "JQlLZiD8xyVmYBpN"
}
}