MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5208194641caccbb53b43b62c821758289f0febee87fa2323397c7f736fe0ddc. 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 YARA 3 File information Comments

SHA256 hash: 5208194641caccbb53b43b62c821758289f0febee87fa2323397c7f736fe0ddc
SHA3-384 hash: 7e0c11a707f07a0fa78684732e219ab06bd103ceba543594f9afd042f372be418aa48c4baf1f03ae52aba1b4d1f44845
SHA1 hash: 4d31b0d993e86526e24888634efee1abbc0b326b
MD5 hash: 220a058c9a0d681d78542083e035b253
humanhash: wolfram-nuts-emma-mississippi
File name:Invoice-No03-345674.vbs
Download: download sample
Signature AsyncRAT
File size:3'980'071 bytes
First seen:2025-05-07 09:27:21 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 49152:/ogwZK1YYmDS8FGDSd1FjFys4JMN5h2a4y5Z:w
TLSH T14006D0259BC46B9DEB9C0A0FD0BD1A1E63F31B49C5A3B1CDA7237C4B6A9FE4C510A444
Magika vba
Reporter abuse_ch
Tags:AsyncRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
95
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Tags:
vmdetect shell sage remo
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm dropper masquerade obfuscated obfuscated packed svchost.exe
Result
Threat name:
DarkTortilla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Benign windows process drops PE files
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops PE files with benign system names
Hides that the sample has been downloaded from the Internet (zone.identifier)
Joe Sandbox ML detected suspicious sample
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: System File Execution Location Anomaly
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DarkTortilla Crypter
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1683072 Sample: Invoice-No03-345674.vbs Startdate: 07/05/2025 Architecture: WINDOWS Score: 100 51 Antivirus detection for dropped file 2->51 53 Yara detected DarkTortilla Crypter 2->53 55 Sigma detected: System File Execution Location Anomaly 2->55 57 6 other signatures 2->57 9 wscript.exe 3 2 2->9         started        process3 file4 43 C:\Users\user\...\cnglCyRvkcOdJFDKZi.js, ASCII 9->43 dropped 67 Benign windows process drops PE files 9->67 69 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->69 71 Drops PE files with benign system names 9->71 13 wscript.exe 1 2 9->13         started        signatures5 process6 file7 45 C:\Users\user\AppData\Local\...\svchost.exe, PE32 13->45 dropped 16 svchost.exe 4 13->16         started        process8 signatures9 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->49 19 cmd.exe 2 16->19         started        23 cmd.exe 1 16->23         started        process10 file11 41 C:\Users\user\word\audiodg.exe, PE32 19->41 dropped 59 Uses ping.exe to sleep 19->59 25 audiodg.exe 2 19->25         started        28 conhost.exe 19->28         started        30 PING.EXE 1 19->30         started        32 PING.EXE 1 19->32         started        61 Uses ping.exe to check the status of other devices and networks 23->61 34 PING.EXE 1 23->34         started        37 conhost.exe 23->37         started        39 reg.exe 1 1 23->39         started        signatures12 process13 dnsIp14 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->63 65 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 25->65 47 127.0.0.1 unknown unknown 34->47 signatures15
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-05-07 01:02:37 UTC
File Type:
Text (VBS)
AV detection:
13 of 37 (35.14%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat boratrat
Similar samples:
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution persistence
Behaviour
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
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:detect_tiny_vbs
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:SUSP_Double_Base64_Encoded_Executable_RID34CC
Author:Florian Roth
Description:Detects an executable that has been encoded with base64 twice
Reference:https://twitter.com/TweeterCyber/status/1189073238803877889
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.

Comments