MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a434cb43798be0359333c99bc5a70228d44d37ad891a52b5bdf8a8b8a0ee013. 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: 22


Intelligence 22 IOCs YARA 18 File information Comments 1

SHA256 hash: 7a434cb43798be0359333c99bc5a70228d44d37ad891a52b5bdf8a8b8a0ee013
SHA3-384 hash: 9c968d38ef28eb5c55aba398d8258939538e809b4631d8e7c018f1ea37bb79733e54a709ef20c4008de11f1f4afdd46f
SHA1 hash: a3821c5c90891cca345d05f269e5445aea3fdd3b
MD5 hash: d3854e7516b4e3ccb5b097d8849b04de
humanhash: stairway-lithium-oregon-west
File name:System.exe
Download: download sample
Signature AsyncRAT
File size:39'936 bytes
First seen:2026-03-17 15:35:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'845 x AgentTesla, 19'775 x Formbook, 12'298 x SnakeKeylogger)
ssdeep 768:BPfdKI5RExEy0FWrWUCwFPX92iC6O9hEG7tw:5A8WSUjFf92iC6O9Bw
Threatray 1'402 similar samples on MalwareBazaar
TLSH T1D9035C0877E48316D5FD5FB06A72A10606B6F5039823EF5E08D8999B3F277C14E427E6
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 burger
Tags:AsyncRAT exe xworm

Intelligence


File Origin
# of uploads :
1
# of downloads :
205
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
XWorm
Details
XWorm
a version, a filepath, a mutex, a c2 socket address or a dead-drop resolver URL, and possibly cryptocurrency wallets and a Telegram URL
Malware family:
n/a
ID:
1
File name:
System.exe
Verdict:
Malicious activity
Analysis date:
2026-03-17 15:33:54 UTC
Tags:
evasion phishing xworm remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
asyncrat dropper virus remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Moving a recently created file
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
Replacing files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat base64 cmd explorer fingerprint lolbin njrat obfuscated reconnaissance vbnet xworm xworm
Verdict:
Malicious
Labled as:
Suspicious:TrojanDrop.Agent.A.gaau
Verdict:
Malicious
File Type:
exe x32
Detections:
HEUR:Backdoor.MSIL.XWorm.gen Backdoor.MSIL.XWorm.b Backdoor.MSIL.XWorm.a Trojan.WinLNK.Agent.fb Trojan.Win32.Vimditator.sb Trojan.Win32.Agent.sb HEUR:Trojan-Spy.WinLNK.Xegumumune.gen PDM:Worm.Win32.Generic PDM:Trojan.Win32.Generic Backdoor.Agent.TCP.C&C
Result
Threat name:
AsyncRAT, XWorm
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Verdict:
XWorm
YARA:
15 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout RAT SOS: 0.23 Win 32 Exe x86 XWorm
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2026-03-17 16:22:06 UTC
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Adds Run key to start application
Looks up external IP address via web service
Drops startup file
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
85.235.75.90:25565
Unpacked files
SH256 hash:
7a434cb43798be0359333c99bc5a70228d44d37ad891a52b5bdf8a8b8a0ee013
MD5 hash:
d3854e7516b4e3ccb5b097d8849b04de
SHA1 hash:
a3821c5c90891cca345d05f269e5445aea3fdd3b
Detections:
win_xworm_w0 PureCrypter_Stage1 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:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:EXE_RAT_XWorm_April2024
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
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:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Author:jeFF0Falltrades
Rule name:XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm_kingrat
Author:jeFF0Falltrades

File information


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

Comments



Avatar
commented on 2026-03-17 15:41:02 UTC

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

{
"sha256": "7a434cb43798be0359333c99bc5a70228d44d37ad891a52b5bdf8a8b8a0ee013",
"yara_possible_family": "xworm",
"key": "61a236b9579d6b3d75c9d9c3ab879a61a236b9579d6b3d75c9d9c3ab879adc00",
"salt": "None",
"config": {
"Host": "85.235.75.90",
"Ports": [
"25565"
],
"KEY": "<123456789>",
"SPL": "<Xwormmm>",
"Sleep": 2,
"USBNM": "USB.exe",
"InstallDir": "%AppData%",
"Mutex": "AiRMUSlX5dmfg7uZ"
}
}