MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 045292e972f70549d8eaa9f6326a92aa6c08c44ad0355f8c1abe5b8e095df815. 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: 19


Intelligence 19 IOCs YARA 16 File information Comments 1

SHA256 hash: 045292e972f70549d8eaa9f6326a92aa6c08c44ad0355f8c1abe5b8e095df815
SHA3-384 hash: c86e6ac30d7ada8b0431d044eb743c79aaa6a8bfd3a1d1115eaa3bd15688eb03775ea4994cddc6dcdca090f000c5d9a2
SHA1 hash: 87804216ebb5c7aeedcdaeb1da60d958de1d01b0
MD5 hash: e87c8d5f434e7717d3aa8f19c090cf76
humanhash: two-august-tennis-six
File name:scvhost.exe
Download: download sample
Signature AsyncRAT
File size:70'656 bytes
First seen:2025-05-26 01:13:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 1536:SGlZYzKsa+P3jHXDBNw+bpPyEy6o8OjOck1AnStUQ:LMza+PblNw+bp6E08OjOckOYb
Threatray 1'429 similar samples on MalwareBazaar
TLSH T1EE636C5C7BE20928D1FFAFF009B67256CA39FB132503D65F14D5018A1B27A89CE906F5
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter BastianHein
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
471
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
scvhost.exe
Verdict:
Malicious activity
Analysis date:
2025-05-24 17:23:41 UTC
Tags:
auto-startup auto-reg xworm

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a window
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Creating a file in the mass storage device
Adding an exclusion to Microsoft Defender
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 backdoor base64 cmd config-extracted explorer fingerprint lolbin obfuscated obfuscated rat reconnaissance schtasks vbnet xworm
Result
Threat name:
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
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sample uses string decryption to hide its real strings
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1698917 Sample: scvhost.exe Startdate: 26/05/2025 Architecture: WINDOWS Score: 100 40 Javv-46764.portmap.host 2->40 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 12 other signatures 2->50 8 scvhost.exe 1 6 2->8         started        12 temp 2->12         started        14 svchost.exe 2->14         started        17 6 other processes 2->17 signatures3 process4 dnsIp5 38 C:\Users\user\AppData\Local\Temp\temp, PE32 8->38 dropped 54 Protects its processes via BreakOnTermination flag 8->54 56 Bypasses PowerShell execution policy 8->56 58 Uses schtasks.exe or at.exe to add and modify task schedules 8->58 60 Adds a directory exclusion to Windows Defender 8->60 19 powershell.exe 23 8->19         started        22 powershell.exe 23 8->22         started        24 powershell.exe 23 8->24         started        26 3 other processes 8->26 62 Antivirus detection for dropped file 12->62 64 Multi AV Scanner detection for dropped file 12->64 42 127.0.0.1 unknown unknown 14->42 file6 signatures7 process8 signatures9 52 Loading BitLocker PowerShell Module 19->52 28 conhost.exe 19->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        36 conhost.exe 26->36         started        process10
Threat name:
ByteCode-MSIL.Backdoor.XWormRAT
Status:
Malicious
First seen:
2025-05-24 17:23:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm execution persistence rat trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
Javv-46764.portmap.host:46764:46764
Javv-46764.portmap.host:46764
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1
YARA:
MALWARE_Win_XWorm win_mal_XWorm win_xworm_bytestring
Unpacked files
SH256 hash:
045292e972f70549d8eaa9f6326a92aa6c08c44ad0355f8c1abe5b8e095df815
MD5 hash:
e87c8d5f434e7717d3aa8f19c090cf76
SHA1 hash:
87804216ebb5c7aeedcdaeb1da60d958de1d01b0
Detections:
win_xworm_w0
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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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:win_xworm_bytestring
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
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.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments



Avatar
commented on 2025-05-26 01:15:51 UTC

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

{
"sha256": "045292e972f70549d8eaa9f6326a92aa6c08c44ad0355f8c1abe5b8e095df815",
"yara_possible_family": "xworm",
"key": "ea5e9e8fbbe8bd6df44b839380c9bcea5e9e8fbbe8bd6df44b839380c9bc2000",
"salt": "None",
"config": {
"hKyxnY9WTYrocu86HTS4x5sHQDapovSS2TYPAWbt2OX91NISj6AznfQf2rN1Jk3pcWTJEt": "Javv-46764.portmap.host:46764,Javv-46764.portmap.host",
"JbUkwF1nMzicvbpxeWveoTY7xoUE9LMpkID8Cygeeb6OsT0xAF1F4B3YZeJBsCCAQHHOnI": "46764",
"H7GOLCbcqSrHpNz8g3yP9F2XGRnH5GevbAI9kZRHR9Q0jvjorQgY3hlZhx61nT6KlSFhT2": "<SillysLoved>",
"L9jTOgLY30FlA0CdxdTAdrs642Zn8y8w734mKsRy1QkVNwOHgZepDD7zFFeSauioaYmV4O": "<Xwormmm>",
"y5NGjty5IobHeJxPtPJrKqMntwBr3DvFawHKrKaMSeho2rJxZdxFdhBRFuDs5pLCxhFIvs": 3,
"iC5gPgZ1cenaIub7ZYNaya3BaohJeVhFfQsyZ9AI04LqX7hfA7w8Hty1oEvjPLBzUrMXfQ": "infected",
"ghiRIvTOqXT6NCx7XT19ZNTyAHp1GIuqcjHarPt3rJYJIn9bXDWVmxenhumVCgUsbkCn1y": "svchost.exe",
"Ze9dr26de6Lw7CC9u05gQzJtwdTAVMkuQcMcDubEeRKPHB5WIR04ugjYbRZilZVHoVMdg0": "%Temp%",
"s1S4SmEGdPihaWTFgcG83B4cSJCwWKpFO7wCBeBBnPRxAnTPZu1xgCWAKHTpGGcDBhDfXT": "temp",
"Anf3UXbalrA90YF0KmQp7kfMrSWjd1F6ORgtbuOr36OZeSnop4LoqirVK7eGJnHfFkObLA": "wboBN1pd1sSTykTS",
"s7jpMgx8YGgsaWPNQw40kSVvB5ocOeWGVtaHAotjDGowMIFfabDphGbhaK7SFu2u02pHw8": "\\Log.tmp"
}
}