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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7bcdc594eb3d76d271007ac5fcc2603f03e65553b533a7c0a5d1ab89c8a6d247. 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: 10


Intelligence 10 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7bcdc594eb3d76d271007ac5fcc2603f03e65553b533a7c0a5d1ab89c8a6d247
SHA3-384 hash: 58cad7def480d44b5c0df2dce9d0717b0e28adea558ec9e0fd8d16ffe57422de6b8080277a5451606799481f5dabbd84
SHA1 hash: d288644d204f5f806fbfa1c6429ef6bf7ff4cf54
MD5 hash: b9db8ddd496f785ef1cdeebc35b5bbd4
humanhash: muppet-pip-alanine-pasta
File name:FN-SAR9702036WA_002490.PDF.vbs
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:192'552 bytes
First seen:2026-11-02 20:59:29 UTC
Last seen:2026-11-02 20:59:35 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:sJu8xhU80/pFWcWjQqRKAElgXNpvKxg0l39Q4j7vJ4lfUZcitdVMNvGKAuGBSov+:sJXu8apOlKAE2XNJKxg0l39QCvilfUtW
TLSH T11014F1CA5DCC3C17E9AD191F3CFDC22147531CB2BB5874926C7862A41B280D6E7B1AE2
Magika vba
Reporter James_inthe_box
Tags:AsyncRAT exe vbs

Intelligence

File Origin
# of uploads :
2
# of downloads :
213
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/96867/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae8f9e8cfeb9f072b5696e6
Tags:
proxy rapid
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/7bcdc594eb3d76d271007ac5fcc2603f03e65553b533a7c0a5d1ab89c8a6d247
Verdict:
Malicious
File Type:
vbs
First seen:
2026-11-02T11:27:00Z UTC
Last seen:
2026-11-02T17:12:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/7bcdc594eb3d76d271007ac5fcc2603f03e65553b533a7c0a5d1ab89c8a6d247/results?tab=lookup
Result
Threat name:
ResolverRAT, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1997060
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
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
Command shell drops VBS files
Connects to many ports of the same IP (likely port scanning)
Encrypted powershell cmdline option found
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Potential evasive JS / VBS script found (domain check)
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses known network protocols on non-standard ports
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)
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 ResolverRAT
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1997060 Sample: FN-SAR9702036WA_002490.PDF.vbs Startdate: 02/11/2026 Architecture: WINDOWS Score: 100 88 keyauth.win 2->88 104 Suricata IDS alerts for network traffic 2->104 106 Found malware configuration 2->106 108 Malicious sample detected (through community Yara rule) 2->108 110 19 other signatures 2->110 11 wscript.exe 4 2->11         started        15 wscript.exe 4 2->15         started        signatures3 process4 file5 80 C:\Users\user\AppData\Local\...\w34830.ps1, Unicode 11->80 dropped 82 C:\Users\user\AppData\...\mfp_x67660.xml, XML 11->82 dropped 128 VBScript performs obfuscated calls to suspicious functions 11->128 130 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->130 132 Suspicious powershell command line found 11->132 138 5 other signatures 11->138 17 powershell.exe 15 11->17         started        20 cmd.exe 3 11->20         started        23 schtasks.exe 1 11->23         started        31 2 other processes 11->31 84 C:\Users\user\AppData\Local\...\w27385.ps1, Unicode 15->84 dropped 86 C:\Users\user\AppData\...\mfp_x87500.xml, XML 15->86 dropped 134 Wscript starts Powershell (via cmd or directly) 15->134 136 WScript reads language and country specific registry keys (likely country aware script) 15->136 25 powershell.exe 15->25         started        27 cmd.exe 15->27         started        29 cmd.exe 15->29         started        33 2 other processes 15->33 signatures6 process7 file8 94 Found many strings related to Crypto-Wallets (likely being stolen) 17->94 96 Writes to foreign memory regions 17->96 98 Allocates memory in foreign processes 17->98 35 RegSvcs.exe 16 5 17->35         started        40 conhost.exe 17->40         started        72 C:\Users\user\AppData\...\PhotoStudio.vbs, ASCII 20->72 dropped 100 Command shell drops VBS files 20->100 42 conhost.exe 20->42         started        44 conhost.exe 23->44         started        102 Injects a PE file into a foreign processes 25->102 50 2 other processes 25->50 46 conhost.exe 27->46         started        48 conhost.exe 29->48         started        52 2 other processes 31->52 54 2 other processes 33->54 signatures9 process10 dnsIp11 90 187.52.45.38, 49711, 49713, 49714 VtalBR United States 35->90 92 31.57.38.202, 49710, 7007 VIRTUO-12651980CANADAINCCA United States 35->92 74 C:\Users\user\AppData\...\udsfltnetchk.exe, PE32+ 35->74 dropped 112 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 35->112 114 Tries to steal Mail credentials (via file / registry access) 35->114 116 Tries to harvest and steal browser information (history, passwords, etc) 35->116 56 udsfltnetchk.exe 35->56         started        60 RegSvcs.exe 35->60         started        62 csc.exe 35->62         started        file12 signatures13 process14 file15 76 C:\Users\user\AppData\...\RuntimeBroker.exe, PE32+ 56->76 dropped 118 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 56->118 120 Found many strings related to Crypto-Wallets (likely being stolen) 56->120 122 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 56->122 126 2 other signatures 56->126 64 powershell.exe 56->64         started        124 Antivirus detection for dropped file 60->124 78 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 62->78 dropped 66 conhost.exe 62->66         started        68 cvtres.exe 62->68         started        signatures16 process17 process18 70 conhost.exe 64->70         started       
Score:
95%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/7bcdc594eb3d76d271007ac5fcc2603f03e65553b533a7c0a5d1ab89c8a6d247
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.27 T1027 T1059.005 VBS Execute Sub-Script VBScript WScript.Shell
Link:
https://app.malva.re/file/b9db8ddd496f785ef1cdeebc35b5bbd4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7bcdc594eb3d76d271007ac5fcc2603f03e65553b533a7c0a5d1ab89c8a6d247/
Threat name:
Text.Malware.Guloader
Create hunting rule
Status:
Malicious
First seen:
2026-11-02 18:33:52 UTC
File Type:
Text
AV detection:
2 of 36 (5.56%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ppg4lfhlhv3ne4iaplc7zqtah4b6mvktwuz2pqff2gvytsfg2jdq._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm collection defense_evasion discovery execution persistence rat trojan
Link:
https://tria.ge/reports/261102-ztgadads61/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Enumerates video capture drivers
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Indicator Removal: File Deletion
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Detect Xworm Payload
Family: Xworm
Malware Config
C2 Extraction:
31.57.38.202:7007
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/7bcdc594eb3d76d271007ac5fcc2603f03e65553b533a7c0a5d1ab89c8a6d247

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: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:MAL_AsyncRAT_Family_V_0_5_8
Create hunting rule
Author:Trezzza
Description:Detects AsyncRAT version 0.5.8 and some other versions of AsyncRAT. The name reflects the analysed sample.
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: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_Malware_XWorm_ForgeAuto_6b06c990_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects XWorm (pe, etat extrait)
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.

Cape
Cape
https://www.capesandbox.com/analysis/96867/

Comments