MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdda094c58d9911d5a8e151ba237d77d4f0c920998b80da150d2f8d58996cd8f. 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



RemcosRAT


Vendor detections: 13


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: fdda094c58d9911d5a8e151ba237d77d4f0c920998b80da150d2f8d58996cd8f
SHA3-384 hash: 43c16633468b3fdb99a9202c6a8a33b2abd9612a858d4248f2c32aab36fe1a84fda8658ed9c022fec20918c1ae28b674
SHA1 hash: 444b397c4176d8dda7f55b8972cd570748c3b23c
MD5 hash: b3d18de66f92b53e3ee8f7541307241b
humanhash: kansas-uncle-glucose-west
File name:proceso.vbs
Download: download sample
Signature RemcosRAT
File size:7'255'030 bytes
First seen:2025-10-08 06:40:10 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 384:qBBBIBBBIBBBUbS7X0fYmtBBBdBBBdBBBdBBBtBBBdBBBdBBBdBBBIBBBdBBBdB3:TbS7Xdme
Threatray 1'590 similar samples on MalwareBazaar
TLSH T1547616F9977E8465E893014D9615ABBD43DD8654CC8C3AE3326CA2FCAC4EF0D390AB51
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika txt
Reporter abuse_ch
Tags:RAT RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
58
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
obfuscate asyncrat xtreme shell
Verdict:
Malicious
File Type:
unknown
First seen:
2025-10-07T16:26:00Z UTC
Last seen:
2025-10-09T01:44:00Z UTC
Hits:
~10
Result
Threat name:
AsyncRAT, Dacic, DcRat
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
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 Dacic
Yara detected DcRat
Yara detected Generic Downloader
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1791188 Sample: proceso.vbs Startdate: 08/10/2025 Architecture: WINDOWS Score: 100 32 reservasdelmar888.duckdns.org 2->32 34 bg.microsoft.map.fastly.net 2->34 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 56 17 other signatures 2->56 10 wscript.exe 1 2->10         started        13 svchost.exe 1 1 2->13         started        signatures3 54 Uses dynamic DNS services 32->54 process4 dnsIp5 64 Suspicious powershell command line found 10->64 66 Wscript starts Powershell (via cmd or directly) 10->66 68 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->68 70 Suspicious execution chain found 10->70 16 powershell.exe 7 10->16         started        38 127.0.0.1 unknown unknown 13->38 signatures6 process7 signatures8 40 Suspicious powershell command line found 16->40 42 Encrypted powershell cmdline option found 16->42 44 Bypasses PowerShell execution policy 16->44 46 Found suspicious powershell code related to unpacking or dynamic code loading 16->46 19 powershell.exe 14 17 16->19         started        22 conhost.exe 16->22         started        process9 file10 30 C:\Users\user\AppData\Local\Temp\DvVbs.ps1, Unicode 19->30 dropped 24 powershell.exe 11 19->24         started        process11 signatures12 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 24->58 60 Writes to foreign memory regions 24->60 62 Injects a PE file into a foreign processes 24->62 27 MSBuild.exe 1 2 24->27         started        process13 dnsIp14 36 reservasdelmar888.duckdns.org 94.154.35.114, 1111, 49689 SELECTELRU Ukraine 27->36
Gathering data
Threat name:
Win32.Trojan.Honolulu
Status:
Malicious
First seen:
2025-10-07 19:24:00 UTC
File Type:
Text (VBS)
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:medellin2 discovery execution rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Badlisted process makes network request
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
reservasdelmar888.duckdns.org:1111
Dropper Extraction:
https://firebasestorage.googleapis.com/v0/b/loloer3434.firebasestorage.app/o/ab23%2Fdllskyyyyyyyyyyyyyyy.txt?alt=media&token=ba6fc66c-551c-42b7-934c-808e6e48e247
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:Sus_CMD_Powershell_Usage
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.

Web download

RemcosRAT

Visual Basic Script (vbs) vbs fdda094c58d9911d5a8e151ba237d77d4f0c920998b80da150d2f8d58996cd8f

(this sample)

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