MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65453206aee2d379eb58baa69a6f92d8a29a5da61d7ff686a228449a3205ab3b. 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: 17


Intelligence 17 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65453206aee2d379eb58baa69a6f92d8a29a5da61d7ff686a228449a3205ab3b
SHA3-384 hash: db87a261ef6bad9e2e46af40dfee924700db945cb4a2b1685f8b774d643ee1f37e8b4202874200ef76a693ccbd2f1068
SHA1 hash: cd34e8386771080711bfc3d54bc2d9180fd0e5bf
MD5 hash: ddfdebff9905fd1ecd56962e8b6f9730
humanhash: west-bacon-speaker-whiskey
File name:sihost.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:64'512 bytes
First seen:2025-03-28 19:37:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 1536:eSBmKY+IFhjVxKe+dpkbvNiuADiR6lVMJ4UOe4G4udNA:TBmOWVEe+XkbvIuAeqzUOe4PuDA
TLSH T16B537C583BD64225E1FFAFB06DF07252D67AB6235813D75F28C4024A1B13A86CE907F9
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 :
372
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b.cmd
Verdict:
Malicious activity
Analysis date:
2025-03-28 13:02:43 UTC
Tags:
loader pastebin xworm
Link:
https://app.any.run/tasks/243b7412-e5e3-40d2-87ab-4c26a26ba679

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.njRAT-10002074-1
Create hunting rule

Win.Packed.Msilzilla-10002982-0
Create hunting rule

Win.Packed.Msilzilla-10019837-0
Create hunting rule

Win.Packed.Loveletter-10023052-0
Create hunting rule

Win.Dropper.Nanocore-10024427-0
Create hunting rule

Win.Packed.Loveletter-10024677-0
Create hunting rule

Win.Packed.Msilzilla-10026193-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

ditekSHen.MALWARE.Win.XWorm.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e69782cfd0a37f8309119e
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
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat backdoor lolbin njrat obfuscated obfuscated packed packer_detected rat reconnaissance schtasks vbnet xworm
Link:
https://www.filescan.io/uploads/67e6faacf274bf2d8e27bec8/reports/feba7f57-5a0a-4754-9466-5fd5e7edabef/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/65453206aee2d379eb58baa69a6f92d8a29a5da61d7ff686a228449a3205ab3b
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3f414ff3-628e-4ded-b553-d84d9674da29
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1651448
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
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Drops PE files to the user root directory
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
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: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
Sigma detected: Windows Binaries Write Suspicious Extensions
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1651448 Sample: sihost.exe Startdate: 28/03/2025 Architecture: WINDOWS Score: 100 40 pastebin.com 2->40 42 owners-front.gl.at.ply.gg 2->42 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 56 13 other signatures 2->56 8 sihost.exe 15 5 2->8         started        13 winlogon.exe 2->13         started        15 winlogon.exe 2->15         started        17 2 other processes 2->17 signatures3 54 Connects to a pastebin service (likely for C&C) 40->54 process4 dnsIp5 44 owners-front.gl.at.ply.gg 147.185.221.19, 49754, 57500 SALSGIVERUS United States 8->44 46 pastebin.com 104.22.69.199, 443, 49753 CLOUDFLARENETUS United States 8->46 38 C:\Users\user\winlogon.exe, PE32 8->38 dropped 60 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->60 62 Protects its processes via BreakOnTermination flag 8->62 64 Bypasses PowerShell execution policy 8->64 70 3 other signatures 8->70 19 powershell.exe 23 8->19         started        22 powershell.exe 23 8->22         started        24 powershell.exe 23 8->24         started        26 2 other processes 8->26 66 Antivirus detection for dropped file 13->66 68 Multi AV Scanner detection for dropped file 13->68 file6 signatures7 process8 signatures9 58 Loading BitLocker PowerShell Module 19->58 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
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/65453206aee2d379eb58baa69a6f92d8a29a5da61d7ff686a228449a3205ab3b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65453206aee2d379eb58baa69a6f92d8a29a5da61d7ff686a228449a3205ab3b/
Threat name:
ByteCode-MSIL.Backdoor.XWormRAT
Create hunting rule
Status:
Malicious
First seen:
2025-03-25 01:25:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mvctebvo4ljxt22yxktju34s3crjuxngdv77nbvcfbcjumqfvm5q._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
error
AsyncRAT
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution persistence rat trojan
Link:
https://tria.ge/reports/250328-ycgn5sskz9/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1
YARA:
win_mal_XWorm MALWARE_Win_XWorm
Link:
https://app.threat.zone/submission/5dd9050d-fd30-4e04-b41d-4db323853af4
Unpacked files
SH256 hash:
65453206aee2d379eb58baa69a6f92d8a29a5da61d7ff686a228449a3205ab3b
MD5 hash:
ddfdebff9905fd1ecd56962e8b6f9730
SHA1 hash:
cd34e8386771080711bfc3d54bc2d9180fd0e5bf
Detections:
win_xworm_w0
Create hunting rule
Link:
https://www.unpac.me/results/e85df6b2-7077-4e0f-8da4-54fe7ef41c2d/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/65453206aee2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/65453206aee2d379eb58baa69a6f92d8a29a5da61d7ff686a228449a3205ab3b

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
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_xworm_w0
Create hunting rule
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Create hunting rule
Author:jeFF0Falltrades
Rule name:XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm_kingrat
Create hunting rule
Author:jeFF0Falltrades

File information

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

Web download

AsyncRAT

Executable exe 65453206aee2d379eb58baa69a6f92d8a29a5da61d7ff686a228449a3205ab3b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3494568/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3495185/

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