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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e4fa68c1c4d2cfee133c31432dd303bb5746f7094b5a6832a25e47e6279171c. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e4fa68c1c4d2cfee133c31432dd303bb5746f7094b5a6832a25e47e6279171c
SHA3-384 hash: 851a2a12223234976003315f5acafc3e6408cc983136be3cf3580c598b90dafe77a1162f6eb1ab1ab4a74624d74190fd
SHA1 hash: 0d30760530d9105fb02fefde8442fd72223cdde8
MD5 hash: fecf4c1ccc317161fae32356448ef900
humanhash: oscar-triple-ten-maryland
File name:312312ea.bat
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:727'804 bytes
First seen:2025-10-24 19:47:34 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 12288:XvSNvSLvSbvSj32V9UkdjkvnIhQR8QaXfP25T/b6QCIbjRiAZ8Ro2aWvELH8Bhsv:XvuvIvyvu32V9UkdjkvnIhQR8QaXfP2v
Threatray 1'230 similar samples on MalwareBazaar
TLSH T112F445E235A5BC94DEEFD25F846E8B79B35E0682E717258A031F1D544B2350F3E848CA
Magika batch
Reporter burger
Tags:AsyncRAT bat RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
312312ea.bat
Verdict:
Malicious activity
Analysis date:
2025-10-20 18:18:02 UTC
Tags:
jason rat susp-powershell api-base64
Link:
https://app.any.run/tasks/3d4514b0-d211-415f-8dfb-a9fed7650026

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34070/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f67cd9ad6ce0f5ad401260
Tags:
dropper emotet shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching cmd.exe command interpreter
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Changing the Zone.Identifier stream
Creating a file
Сreating synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process with a hidden window
DNS request
Connection attempt
Creating a window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
MSIL/Agent.CFW trojan
Link:
https://www.hybrid-analysis.com/sample/4e4fa68c1c4d2cfee133c31432dd303bb5746f7094b5a6832a25e47e6279171c
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-10-20T15:35:00Z UTC
Last seen:
2025-10-24T17:07:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic Trojan-Dropper.PowerShell.Obfus.sb Trojan.Win64.DonutInjector.sb Trojan.Win64.Donut.sb Trojan.Win32.Shellcode.sb Trojan.Win32.Agent.sb HEUR:Backdoor.MSIL.Agent.gen Backdoor.Win32.Androm HEUR:Trojan.BAT.Cobalt.gen Trojan-Dropper.Win32.Injector.sb Trojan.PowerShell.Cobalt.sb Backdoor.MSIL.Cardinal.sb
Link:
https://opentip.kaspersky.com/4e4fa68c1c4d2cfee133c31432dd303bb5746f7094b5a6832a25e47e6279171c/results?tab=lookup
Result
Threat name:
DcRat, JasonRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1801540
Signature
Bypasses PowerShell execution policy
Compiles code for process injection (via .Net compiler)
Creates a thread in another existing process (thread injection)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found suspicious powershell code related to unpacking or dynamic code loading
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
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: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Suspicious PowerShell Parameter Substring
Suricata IDS alerts for network traffic
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to steal Crypto Currency Wallets
Uses cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected DcRat
Yara detected JasonRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1801540 Sample: 312312ea.bat Startdate: 24/10/2025 Architecture: WINDOWS Score: 100 80 Suricata IDS alerts for network traffic 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 12 other signatures 2->86 11 cmd.exe 1 2->11         started        process3 signatures4 104 Suspicious powershell command line found 11->104 106 Uses cmd line tools excessively to alter registry or file data 11->106 108 Bypasses PowerShell execution policy 11->108 14 cmd.exe 4 11->14         started        18 conhost.exe 11->18         started        process5 file6 74 C:\Users\user\...\6bc7a54884360f3b.bat, DOS 14->74 dropped 114 Suspicious powershell command line found 14->114 116 Uses cmd line tools excessively to alter registry or file data 14->116 20 powershell.exe 23 14->20         started        24 powershell.exe 11 14->24         started        26 reg.exe 1 1 14->26         started        28 2 other processes 14->28 signatures7 process8 file9 70 C:\Users\user\AppData\...\3gmjgraq.cmdline, Unicode 20->70 dropped 72 C:\Users\user\AppData\Local\...\3gmjgraq.0.cs, Unicode 20->72 dropped 88 Injects code into the Windows Explorer (explorer.exe) 20->88 90 Writes to foreign memory regions 20->90 92 Creates a thread in another existing process (thread injection) 20->92 30 explorer.exe 40 6 20->30 injected 34 csc.exe 3 20->34         started        94 Found many strings related to Crypto-Wallets (likely being stolen) 24->94 96 Found suspicious powershell code related to unpacking or dynamic code loading 24->96 98 Compiles code for process injection (via .Net compiler) 24->98 100 Creates autostart registry keys with suspicious names 26->100 102 Creates multiple autostart registry keys 26->102 signatures10 process11 dnsIp12 76 45.94.31.42, 49692, 7777 GBTCLOUDUS Netherlands 30->76 78 8.8.8.8 GOOGLEUS United States 30->78 118 System process connects to network (likely due to code injection or exploit) 30->118 120 Found many strings related to Crypto-Wallets (likely being stolen) 30->120 122 Creates multiple autostart registry keys 30->122 124 2 other signatures 30->124 37 cmd.exe 1 30->37         started        39 cmd.exe 30->39         started        68 C:\Users\user\AppData\Local\...\3gmjgraq.dll, PE32 34->68 dropped 41 cvtres.exe 1 34->41         started        file13 signatures14 process15 process16 43 cmd.exe 2 37->43         started        46 conhost.exe 37->46         started        48 cmd.exe 39->48         started        50 conhost.exe 39->50         started        signatures17 110 Suspicious powershell command line found 43->110 112 Uses cmd line tools excessively to alter registry or file data 43->112 52 powershell.exe 13 43->52         started        54 conhost.exe 43->54         started        56 reg.exe 1 43->56         started        64 2 other processes 43->64 58 conhost.exe 48->58         started        60 attrib.exe 48->60         started        62 powershell.exe 48->62         started        66 2 other processes 48->66 process18
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4e4fa68c1c4d2cfee133c31432dd303bb5746f7094b5a6832a25e47e6279171c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e4fa68c1c4d2cfee133c31432dd303bb5746f7094b5a6832a25e47e6279171c/
Verdict:
Malicious
Threat:
Family.ASYNCRAT
Link:
https://tip.neiki.dev/file/4e4fa68c1c4d2cfee133c31432dd303bb5746f7094b5a6832a25e47e6279171c
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-10-20 21:46:31 UTC
File Type:
Text (Batch)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jzh2nda4juwp5yjtymkdfxjqho2xi33qss22nazkexsh4ytzc4oa._file
Verdict:
malicious
Label(s):
donut_injector
Create hunting rule
asyncrat
Create hunting rule
Similar samples:
13bf1cfedc09e959f6fe09da8c9a687de9ed0d7ba10ca5839a6f0928429a1272
AsyncRAT
2ebbc0ecfdc8da987269085bdff3bfef88b555a5557beec2880d81eb58862fd8
AsyncRAT
4bce5c43d01102b83bf0cb0b85d09ea8a758262b98b04aeccff957aad024f7bd
AsyncRAT
65039817a944e3adf00f0111c57c11f659b32ed8938a96a9fe533eabbf039559
AsyncRAT
e36eee6a572b2c5e45cfaffae49ee361f55915375a4b7c938983fe8f8b5aa539
AsyncRAT
e4440f5bbcfad7750e98f84c6331da9cab4cfda23e93267e79611d45532efece
AsyncRAT
error
AsyncRAT
f58c71a74d72d71ebfef10ae4020dd1a0ce310ebc0c2ad44acb5f186d2e006ce
AsyncRAT
+ 1'220 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:donutloader defense_evasion execution loader persistence rat spyware
Link:
https://tria.ge/reports/251024-yjdk3atrej/
Behaviour
Modifies registry class
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
AsyncRat
Asyncrat family
Detects DonutLoader
DonutLoader
Donutloader family
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/4e4fa68c1c4d2cfee133c31432dd303bb5746f7094b5a6832a25e47e6279171c

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:Base64_Encoded_Powershell_Directives
Create hunting rule
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:SUSP_Base64
Create hunting rule
Author:Eslam Hassan
Description:Detects hex encoded code that has been base64 encoded
Reference:Internal Research
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)

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/34070/

Comments