MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4e12e716ba30fc51634078f9cacbff754b3b7081b8b2f2d6b1ae4043a8a00f3. 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 1 YARA 27 File information Comments
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SHA256 hash: e4e12e716ba30fc51634078f9cacbff754b3b7081b8b2f2d6b1ae4043a8a00f3
SHA3-384 hash: ad667acc717f6f93f0f8c4635e9b3026daec079da97868215831c74e695b5be10ccd63d4c53bdcc5af11974a81e6f85c
SHA1 hash: 9a503460cb929475a6c82652f36606671d4c2257
MD5 hash: 1c52636b023f4011e9e59d398f72fbeb
humanhash: hamper-spring-skylark-spring
File name:New offer.js
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:72'523 bytes
First seen:2025-11-19 12:10:07 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:uyjLT1ZdzkVFATCNmFci3hJf4nu4/1ditdWoAsSBUlZiqTSsi6NN8hOcUmulpE:r1DgFAvFR3kmA1aQs1r8QcUmKE
TLSH T1036363883FCBB27122167477385B709AF17F8E64718C4881D67B58AAF65C348E57AC2C
Magika javascript
Reporter abuse_ch
Tags:AsyncRAT js RAT


Avatar
abuse_ch
AsyncRAT C2:
107.175.246.23:3650

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
107.175.246.23:3650 https://threatfox.abuse.ch/ioc/1646590/

Intelligence

File Origin
# of uploads :
1
# of downloads :
136
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691db3bb27c5936d7d0db190
Tags:
ransomware asyncrat spawn shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 obfuscated opendir repaired
Link:
https://www.filescan.io/uploads/691db3b714d439855b5ddbae/reports/b92e686f-5a32-4406-be66-7d6bb18a9ade/overview
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.Nemucod
Link:
https://www.hybrid-analysis.com/sample/e4e12e716ba30fc51634078f9cacbff754b3b7081b8b2f2d6b1ae4043a8a00f3
Verdict:
Malicious
File Type:
js
First seen:
2025-11-19T09:10:00Z UTC
Last seen:
2025-11-21T10:25:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.Script.Generic Trojan-Downloader.Agent.HTTP.C&C Trojan.Win32.InjectorNetT.s PDM:Trojan.Win32.Generic Trojan-Downloader.JS.SLoad.sb Trojan.JS.SAgent.sb
Link:
https://opentip.kaspersky.com/e4e12e716ba30fc51634078f9cacbff754b3b7081b8b2f2d6b1ae4043a8a00f3/results?tab=lookup
Result
Threat name:
AsyncRAT, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1816855
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential obfuscated javascript found
Sample uses string decryption to hide its real strings
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic JS Downloader
Yara detected MSILLoadEncryptedAssembly
Yara detected Powershell decode and execute
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1816855 Sample: New offer.js Startdate: 19/11/2025 Architecture: WINDOWS Score: 100 25 sbkllc.shop 2->25 27 bg.microsoft.map.fastly.net 2->27 39 Suricata IDS alerts for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 18 other signatures 2->45 8 wscript.exe 17 2->8         started        signatures3 process4 dnsIp5 29 sbkllc.shop 104.21.7.15, 443, 49721 CLOUDFLARENETUS United States 8->29 47 System process connects to network (likely due to code injection or exploit) 8->47 49 JScript performs obfuscated calls to suspicious functions 8->49 51 Wscript starts Powershell (via cmd or directly) 8->51 53 3 other signatures 8->53 12 powershell.exe 16 8->12         started        signatures6 process7 signatures8 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->55 57 Writes to foreign memory regions 12->57 59 Injects a PE file into a foreign processes 12->59 15 aspnet_compiler.exe 1 2 12->15         started        19 aspnet_compiler.exe 12->19         started        21 conhost.exe 12->21         started        23 4 other processes 12->23 process9 dnsIp10 31 107.175.246.23, 3650, 49726, 49728 AS-COLOCROSSINGUS United States 15->31 33 192.168.2.4, 138, 3650, 443 unknown unknown 15->33 35 Tries to harvest and steal browser information (history, passwords, etc) 15->35 37 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 19->37 signatures11
Score:
94%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/e4e12e716ba30fc51634078f9cacbff754b3b7081b8b2f2d6b1ae4043a8a00f3
Gathering data
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e4e12e716ba30fc51634078f9cacbff754b3b7081b8b2f2d6b1ae4043a8a00f3/
Verdict:
Malicious
Threat:
Family.ASYNCRAT
Link:
https://tip.neiki.dev/file/e4e12e716ba30fc51634078f9cacbff754b3b7081b8b2f2d6b1ae4043a8a00f3
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4tqs44llumh4kfrua6hzzlf765klhnyidofs6llldlsaioukadzq._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default discovery execution rat
Link:
https://tria.ge/reports/251119-pb95mabk9x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Badlisted process makes network request
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
107.175.246.23:3650
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.31
Link:
https://yomi.yoroi.company/submissions/e4e12e716ba30fc51634078f9cacbff754b3b7081b8b2f2d6b1ae4043a8a00f3

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:AsyncRat
Create hunting rule
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:asyncrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Mal_WIN_AsyncRat_RAT_PE
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
Rule name:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
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:NET
Create hunting rule
Author:malware-lu
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: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_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
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:Windows_Generic_Threat_ce98c4bc
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Create hunting rule
Author:Elastic Security
Rule name:win_asyncrat_bytecodes
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_unobfuscated
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
Rule name:win_asyncrat_w0
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information

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

Comments