MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 33d7a4090740d271b9b2743f18849086c2cb50a6fa348f6549292c4769beeb06. 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: 13
| SHA256 hash: | 33d7a4090740d271b9b2743f18849086c2cb50a6fa348f6549292c4769beeb06 |
|---|---|
| SHA3-384 hash: | b4041374ff296d3eb7aa46cf96e3beec76ba60c27e8427ce7fc7a26d336a4be155affe24fcf3eacbf1f815c7025cc10e |
| SHA1 hash: | 5b900fbcf5b3e71f3741bca6d0ad9b75b42ebf6b |
| MD5 hash: | ae94f95e54e4528dca41573070704d70 |
| humanhash: | pasta-skylark-tennessee-delaware |
| File name: | EXW-PO8872HTYGCN89A2025P9.VBE |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 248'950 bytes |
| First seen: | 2025-12-09 13:21:14 UTC |
| Last seen: | Never |
| File type: |  vbe |
| MIME type: | text/plain |
| ssdeep | 6144:yOVTJRrHauXO3Pwy45M3Nmnp1t5su++7vQ:RjeSOf14dtB++7vQ |
| Threatray | 1'964 similar samples on MalwareBazaar |
| TLSH | T17634F112CC446F65DFFC3B2880FE294EABE41A8F051A188DBB2FAD4E1FB7404455A5C9 |
| Magika | vba |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT RAT vbe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
64
Origin country :
SEVendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Tags:
infosteal rapid
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm aspnet_compiler base64 cscript evasive evasive fingerprint lolbin obfuscated obfuscated persistence powershell reconnaissance taskkill wscript zbot
Verdict:
Malicious
Labled as:
GT:VB.Zbot.9
Verdict:
Malicious
File Type:
vbs
First seen:
2025-12-09T06:01:00Z UTC
Last seen:
2025-12-11T10:32:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan-Downloader.Script.Generic Backdoor.MSIL.XWorm.b Backdoor.MSIL.XWorm.a Trojan.Win32.InjectorNetT.s PDM:Trojan.Win32.Generic HEUR:Trojan.Script.Generic HEUR:Worm.Script.Generic Backdoor.Agent.TCP.C&C Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.JS.SDrop.sb Trojan.PowerShell.Cobalt.sb Trojan.JS.SAgent.sb
Result
Threat name:
XWorm
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected malicious Powershell script
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Powershell decode and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
Malware
YARA:
2 match(es)
Tags:
ADODB.Stream Batch Command MSXML2.DOMDocument.6.0 PowerShell PowerShell Call Scripting.FileSystemObject VBScript WScript.Shell
Verdict:
Malicious
Threat:
Family.XWORM
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2025-12-09 12:53:00 UTC
AV detection:
11 of 37 (29.73%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
xworm
fantomcrypt
Similar samples:
+ 1'954 additional samples on MalwareBazaar
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm collection discovery execution rat trojan
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
103.83.86.58:6000
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | 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: | detect_tiny_vbs |
|---|---|
| Author: | daniyyell |
| Description: | Detects tiny VBS delivery technique |
| Rule name: | dgaaga |
|---|---|
| Author: | Harshit |
| Description: | Detects suspicious PowerShell or registry activity |
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| 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: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Suspicious_Encoded_PS_String_20251105 |
|---|---|
| Author: | ShadowOpCode |
| Description: | Detects ASCII string |
| Reference: | internally crafted rule |
| 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: | win_xworm_w0 |
|---|---|
| Author: | jeFF0Falltrades |
| Description: | Detects win.xworm. |
| 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.
No further information available
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.