MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f99267a4d305fa5fbbcc6c474c8dc3f0c071e837829db5ec805a67161270d7f1. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: f99267a4d305fa5fbbcc6c474c8dc3f0c071e837829db5ec805a67161270d7f1
SHA3-384 hash: e42284685a1520ff4e1bfe0e42df897192bbb6465b977866c01ab879a61c0ccc25f905ab720415886a36305f4ed681ef
SHA1 hash: 4b50f1fc471a49f6a053f346f580cf950c7a116b
MD5 hash: 7803ff71c650454d86f19195efbff035
humanhash: tennessee-pennsylvania-cola-violet
File name:MauThietKeNTCTY2025.bat
Download: download sample
Signature AsyncRAT
File size:322'804 bytes
First seen:2025-03-26 07:50:34 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 6144:vmUIOfVxfvEuDk8VTRJpfIKy5f6wfayMT0sbAaKawecjHc203/:v5txUuDlVTRJRX8f6wTG0zaPcjHw3/
Threatray 1'216 similar samples on MalwareBazaar
TLSH T13864F11548C97F7F9F7CAD0880F91B1DA3B24A9E3472948EAB737C066F6B644421B097
Magika vba
Reporter smica83
Tags:103-20-102-131 AsyncRAT bat

Intelligence


File Origin
# of uploads :
1
# of downloads :
106
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
MauThietKeNTCTY2025.bat
Verdict:
Malicious activity
Analysis date:
2025-03-26 07:54:13 UTC
Tags:
rat asyncrat remote dcrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
vmdetect autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm obfuscated powershell
Result
Verdict:
MALICIOUS
Result
Threat name:
AsyncRAT, DcRat
Detection:
malicious
Classification:
bank.troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Creates a thread in another existing process (thread injection)
Drops script or batch files to the startup folder
Encrypted powershell cmdline option found
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Malicious encrypted Powershell command line found
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
PowerShell case anomaly found
Powershell drops PE file
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: Suspicious PowerShell Parameter Substring
Suricata IDS alerts for network traffic
Suspicious command line found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected DcRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1648835 Sample: MauThietKeNTCTY2025.bat Startdate: 26/03/2025 Architecture: WINDOWS Score: 100 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 15 other signatures 2->67 10 cmd.exe 1 2->10         started        13 cmd.exe 1 2->13         started        15 svchost.exe 1 1 2->15         started        process3 dnsIp4 77 Malicious encrypted Powershell command line found 10->77 79 Suspicious powershell command line found 10->79 81 Encrypted powershell cmdline option found 10->81 83 Suspicious command line found 10->83 18 cmd.exe 1 10->18         started        21 conhost.exe 10->21         started        85 PowerShell case anomaly found 13->85 23 powershell.exe 12 13->23         started        25 conhost.exe 13->25         started        59 127.0.0.1 unknown unknown 15->59 signatures5 process6 signatures7 69 Suspicious powershell command line found 18->69 71 PowerShell case anomaly found 18->71 27 powershell.exe 22 18->27         started        31 powershell.exe 17 23->31         started        33 conhost.exe 23->33         started        process8 file9 53 C:\Users\user\...\YpQmiddAQsKVPSrAUPXz.bat, DOS 27->53 dropped 55 C:\Users\...\OhiUcBgomWHfslbtZpeiIdiCCGbK.ps1, ASCII 27->55 dropped 87 Drops script or batch files to the startup folder 27->87 89 Uses ping.exe to check the status of other devices and networks 27->89 91 Found suspicious powershell code related to unpacking or dynamic code loading 27->91 93 Powershell drops PE file 27->93 35 powershell.exe 18 27->35         started        39 conhost.exe 27->39         started        95 Writes to foreign memory regions 31->95 97 Creates a thread in another existing process (thread injection) 31->97 41 PING.EXE 4 31->41         started        signatures10 process11 file12 51 C:\Users\user\...\PleLiZHwawZwsVuRi.dll, PE32+ 35->51 dropped 73 Writes to foreign memory regions 35->73 75 Creates a thread in another existing process (thread injection) 35->75 43 PING.EXE 1 3 35->43         started        47 conhost.exe 41->47         started        signatures13 process14 dnsIp15 57 103.20.102.131, 49726, 8848 VASAICABLEPVTLTD-AS-INVasaiCablePvtLtdIN unknown 43->57 99 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 43->99 49 conhost.exe 43->49         started        signatures16 process17
Threat name:
Win32.Exploit.Minerva
Status:
Malicious
First seen:
2025-03-26 07:51:19 UTC
File Type:
Text
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default discovery execution rat
Behaviour
Delays execution with timeout.exe
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Command and Scripting Interpreter: PowerShell
Drops startup file
Loads dropped DLL
Async RAT payload
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
103.20.102.131:8848
Please note that we are no longer able to provide a coverage score for Virus Total.

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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

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