MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7efba299adeb2b2bd73ce0f2542e30e36b5719d13c54011b4b3959efd5699952. 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
| SHA256 hash: | 7efba299adeb2b2bd73ce0f2542e30e36b5719d13c54011b4b3959efd5699952 |
|---|---|
| SHA3-384 hash: | b0e132c835c3007c76511e2cbe49b71496f1e72a926bdd34653a8a5b738ed8bf1dcc42579169ac0f9f4f9ac030d21f6e |
| SHA1 hash: | 772ce9785cf65c355049ed592e6a8e2dde6f187e |
| MD5 hash: | 5686f2c6feebceaedd7ecd26d27039ff |
| humanhash: | wisconsin-friend-massachusetts-princess |
| File name: | Size label (Heat Transfer) style 1178875.xlsx.js |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 2'699'338 bytes |
| First seen: | 2026-09-30 22:40:05 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 49152:jMpjI9yj2yCV+ouX+0r8npvQX/mtYeR+ylS5jk4ubWFn7jZ1P:jMpjJjRCV+/nr8np+mSeR+ylAF7jZ1P |
| TLSH | T168C539010D87D26AF2F8051D9429BAE5CE19F60BB570BA39BDB859BB5B4CE07331F160 |
| Magika | c |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT js RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 217.60.76.250:6606 | https://threatfox.abuse.ch/ioc/1918019/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
337
Origin country :
NLVendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug dropper evasive masquerade obfuscated packed repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-09-30T19:40:00Z UTC
Last seen:
2026-10-02T20:37:00Z UTC
Hits:
~1000
Result
Threat name:
AsyncRAT, DonutLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected Windows Script Host debugger hammering
Found malware configuration
Hides threads from debuggers
JavaScript source code contains call to eval() to check own source code (likely for evading instrumentation)
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Sample uses string decryption to hide its real strings
Sigma detected: Cscript/Wscript Uncommon Script Extension Execution
Sigma detected: Suspicious Parent Double Extension File Execution
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Unusual module load detection (module proxying)
Uses an obfuscated file name to hide its real file extension (double extension)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected AsyncRAT
Yara detected DonutLoader
Yara detected Lua decrypt and execute
Behaviour
Behavior Graph:
Gathering data
Detection:
asyncrat
Threat name:
Win32.Trojan.Yomal
Status:
Malicious
First seen:
2026-09-30 22:40:29 UTC
File Type:
Binary
AV detection:
14 of 38 (36.84%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
AsyncRAT
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:default defense_evasion discovery execution rat suricata
Behaviour
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks computer location settings
Executes dropped EXE
Async RAT payload
Family: AsyncRat
Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound
Malware Config
C2 Extraction:
217.60.76.250:6606
217.60.76.250:7707
217.60.76.250:8808
217.60.76.250:7707
217.60.76.250:8808
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | MULTI_Malware_AgentTesla_ForgeAuto_ed343f78_Extrait |
|---|---|
| Author: | Marjoriefort |
| Description: | Detects AgentTesla (inconnu, etat extrait) |
| Rule name: | SUSP_VBS_Randomized_ActiveX_Downloader |
|---|---|
| Author: | Marjoriefort |
| Description: | Dropper VBS obfusque : ActiveXObject a identifiant randomise (20 MAJ), SaveToFile, .Run |
| Reference: | Veille fraicheur 2026-09-14 / grappe VBS randomisee |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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