MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2934a9348fe15bcc85228667593a6e5ce0a4b831ce481b290c1ba7ebeb907c20. 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: 2934a9348fe15bcc85228667593a6e5ce0a4b831ce481b290c1ba7ebeb907c20
SHA3-384 hash: b81bdcb69de27f763eb557588486f11174e85f84929afa45988d259ade82d5cccabd4f75e8b0321b1c3090ec4a9e3dbf
SHA1 hash: 1495020ebecc12162c6661fceea47b5b59d6c9a0
MD5 hash: 3d20d479b66c60fb383e5374f32c5bd7
humanhash: lima-blossom-lima-london
File name:cmd.bat
Download: download sample
Signature AsyncRAT
File size:997 bytes
First seen:2025-04-09 06:58:40 UTC
Last seen:2025-04-15 07:07:20 UTC
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 24:wKXVH9L0zXb6xb3OeEOWM9bFz8GzMKCb3jhaILXIVnRcXsHbW5YA454I:tdJx7p7ax8HxA4p
Threatray 68 similar samples on MalwareBazaar
TLSH T1E0110F6E11FF100B92F63BAB0C1425629E7FD6D9A319F2EC187A1452E30C49EC25981E
Magika batch
Reporter JAMESWT_WT
Tags:92-255-85-66 AsyncRAT bat booking

Intelligence


File Origin
# of uploads :
2
# of downloads :
109
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
cmd.bat
Verdict:
Malicious activity
Analysis date:
2025-04-09 09:10:36 UTC
Tags:
loader rat asyncrat remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
asyncrat shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process with a hidden window
Creating a file
Searching for the window
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Forced shutdown of a system process
Sending a TCP request to an infection source
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
powershell
Result
Threat name:
AsyncRAT, DcRat
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Compiles code for process injection (via .Net compiler)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: PowerShell Download and Execution Cradles
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected DcRat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1660435 Sample: cmd.bat Startdate: 09/04/2025 Architecture: WINDOWS Score: 100 34 pki-goog.l.google.com 2->34 36 c.pki.goog 2->36 50 Suricata IDS alerts for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 10 other signatures 2->56 9 cmd.exe 1 2->9         started        11 svchost.exe 1 1 2->11         started        signatures3 process4 dnsIp5 14 powershell.exe 14 33 9->14         started        19 conhost.exe 9->19         started        38 127.0.0.1 unknown unknown 11->38 process6 dnsIp7 40 92.255.85.66, 1414, 49681, 49682 SOVTEL-ASRU Russian Federation 14->40 30 C:\Users\user\AppData\...\vtakuf5a.cmdline, Unicode 14->30 dropped 32 C:\Users\user\AppData\Local\...\vtakuf5a.0.cs, C++ 14->32 dropped 42 Writes to foreign memory regions 14->42 44 Compiles code for process injection (via .Net compiler) 14->44 46 Injects a PE file into a foreign processes 14->46 48 Loading BitLocker PowerShell Module 14->48 21 csc.exe 3 14->21         started        24 MSBuild.exe 2 14->24         started        file8 signatures9 process10 file11 28 C:\Users\user\AppData\Local\...\vtakuf5a.dll, PE32 21->28 dropped 26 cvtres.exe 1 21->26         started        process12
Threat name:
Script-BAT.Downloader.FakeCaptcha
Status:
Malicious
First seen:
2025-04-06 01:10:55 UTC
File Type:
Text (Batch)
AV detection:
7 of 24 (29.17%)
Threat level:
  3/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default discovery execution rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Blocklisted process makes network request
Downloads MZ/PE file
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
92.255.85.66:1414
Dropper Extraction:
http://92.255.85.66/a.mp4
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:obfuscated_BAT
Author:@warz_s
Description:Identifies obfuscated BAT files
Reference:https://github.com/secwarz/YaraRules

File information


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

Web download

AsyncRAT

Batch (bat) bat 2934a9348fe15bcc85228667593a6e5ce0a4b831ce481b290c1ba7ebeb907c20

(this sample)

  
Delivery method
Distributed via web download

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