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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a44f649a5540fb058a59a70f7d502409239ea42988f80f69ffc38ec1a7357ec. 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: 11


Intelligence 11 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a44f649a5540fb058a59a70f7d502409239ea42988f80f69ffc38ec1a7357ec
SHA3-384 hash: 615db24a6cb8f9e5391bdcac265eb66e8ebaf4bc0f1f1d5ff448994f78a5a7f4f0170cb6750782a3b42db9f8f9618451
SHA1 hash: d8f59fcb3a7d054ea16e2852457dd994a58a521b
MD5 hash: 0555c4760ba5acba3dd3cea5161297e2
humanhash: south-lemon-illinois-ink
File name:svchost.vbs
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:61'550 bytes
First seen:2026-09-30 08:14:18 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:DoQNU9qoGA9dX09du6DrmFr08NkaJp2N89Onz6bCsmZtL1/KNWJPv14n9poEatP+:kTqokdurmNyOOWHriNJ1EWZI5AV
TLSH T14B53AF57AE11A632CA626533EDDB145FF9B363171015642A795C8A040F70BFC93F0BA9
Magika vba
Reporter abuse_ch
Tags:AsyncRAT RAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/89825/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ace54e2350c7ee8cc15115c
Tags:
xtreme shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 cmd evasive lolbin obfuscated persistence ping powershell schtasks
Link:
https://www.filescan.io/uploads/6abcc51d25669a719c0c066b/reports/9bfdd5b3-0496-4230-b0e8-719d621df8d3/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/7a44f649a5540fb058a59a70f7d502409239ea42988f80f69ffc38ec1a7357ec
Verdict:
Malicious
File Type:
vbs
First seen:
2026-09-29T16:50:00Z UTC
Last seen:
2026-10-02T02:51:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/7a44f649a5540fb058a59a70f7d502409239ea42988f80f69ffc38ec1a7357ec/results?tab=lookup
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1979932
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Potential evasive JS / VBS script found (domain check)
Potential malicious VBS script found (has network functionality)
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: Dot net compiler compiles file from suspicious location
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows Shell Script Host drops VBS files
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1979932 Sample: svchost.vbs Startdate: 30/09/2026 Architecture: WINDOWS Score: 100 76 medellin202156.duckdns.org 2->76 78 pki-goog.l.google.com 2->78 80 3 other IPs or domains 2->80 96 Suricata IDS alerts for network traffic 2->96 98 Found malware configuration 2->98 100 Malicious sample detected (through community Yara rule) 2->100 104 15 other signatures 2->104 9 wscript.exe 8 2->9         started        13 wscript.exe 5 2->13         started        signatures3 102 Uses dynamic DNS services 76->102 process4 file5 66 C:\Users\user\AppData\Local\...\task75946.xml, XML 9->66 dropped 68 C:\Users\user\AppData\...\ldg32875.cache, ASCII 9->68 dropped 70 C:\Users\user\AppData\...\ctl87307.cache, ASCII 9->70 dropped 72 C:\Users\user\AppData\...\CatalogHost.vbs, Unicode 9->72 dropped 106 VBScript performs obfuscated calls to suspicious functions 9->106 108 Suspicious powershell command line found 9->108 110 Wscript starts Powershell (via cmd or directly) 9->110 116 7 other signatures 9->116 15 powershell.exe 29 9->15         started        18 cmd.exe 1 9->18         started        21 schtasks.exe 1 9->21         started        112 Encrypted powershell cmdline option found 13->112 114 WScript reads language and country specific registry keys (likely country aware script) 13->114 23 powershell.exe 13->23         started        25 cmd.exe 13->25         started        27 schtasks.exe 13->27         started        signatures6 process7 file8 74 C:\Users\user\AppData\...\5pcid5s5.cmdline, Unicode 15->74 dropped 29 MSBuild.exe 2 15->29         started        33 csc.exe 3 15->33         started        36 csc.exe 3 15->36         started        38 conhost.exe 15->38         started        86 Uses ping.exe to sleep 18->86 88 Uses ping.exe to check the status of other devices and networks 18->88 44 2 other processes 18->44 40 conhost.exe 21->40         started        90 Writes to foreign memory regions 23->90 92 Allocates memory in foreign processes 23->92 94 Injects a PE file into a foreign processes 23->94 46 4 other processes 23->46 48 2 other processes 25->48 42 conhost.exe 27->42         started        signatures9 process10 dnsIp11 82 medellin202156.duckdns.org 31.56.19.40, 49745, 7777 LINIVO-LinivoLLCUS Germany 29->82 118 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 29->118 58 C:\Users\user\AppData\Local\...\4hxi3owa.dll, PE32 33->58 dropped 50 cvtres.exe 1 33->50         started        60 C:\Users\user\AppData\Local\...\5pcid5s5.dll, PE32 36->60 dropped 52 cvtres.exe 1 36->52         started        84 127.0.0.1 unknown unknown 44->84 62 C:\Users\user\AppData\Local\...\okivudxi.dll, PE32 46->62 dropped 64 C:\Users\user\AppData\Local\...\2dbt1y51.dll, PE32 46->64 dropped 54 cvtres.exe 46->54         started        56 cvtres.exe 46->56         started        file12 signatures13 process14
Score:
77%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/7a44f649a5540fb058a59a70f7d502409239ea42988f80f69ffc38ec1a7357ec
Verdict:
Malware
YARA:
2 match(es)
Tags:
ADODB.Stream Base64 Block Batch Command COM Behavior Trace Contains Base64 Block DeObfuscated Obfuscated PowerShell PowerShell Call Scripting.FileSystemObject SOS: 0.47 T1027 T1059 T1059.001 T1059.005 T1105 VBScript WScript.Network WScript.Shell
Link:
https://app.malva.re/file/0555c4760ba5acba3dd3cea5161297e2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a44f649a5540fb058a59a70f7d502409239ea42988f80f69ffc38ec1a7357ec/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pjcpmsnfkqh3awfftjyppvicicjdt2sctchyb5u77q4oygttk7wa._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Link:
https://tria.ge/reports/260930-j5sjsayvct/
Behaviour
Runs ping.exe
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
Executes a command shell one-liner
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Enumerates connected drives
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Family: Xworm
Malware Config
C2 Extraction:
medellin202156.duckdns.org:7777
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/7a44f649a5540fb058a59a70f7d502409239ea42988f80f69ffc38ec1a7357ec

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:CMD_Ping_Localhost
Create hunting rule
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:rat_win_xworm_v3
Create hunting rule
Author:Sekoia.io
Description:Finds XWorm (version XClient, v3) samples based on characteristic strings
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:SUSP_Script_PowerShell_Hidden_Launcher
Create hunting rule
Author:Marjoriefort
Description:Script (JS/VBS) lancant PowerShell en mode furtif - dropper frais MalwareBazaar
Reference:Veille fraicheur 2026-09-14 / cluster misses web
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
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
Create hunting rule
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_Sample_Unique_69354b41
Create hunting rule
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe
Rule name:win_xworm_w0
Create hunting rule
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
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

Visual Basic Script (vbs) vbs 7a44f649a5540fb058a59a70f7d502409239ea42988f80f69ffc38ec1a7357ec

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/89825/
  
URLhaus
https://urlhaus.abuse.ch/url/3509098/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3509101/

Comments