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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cda5d00fa17f8bb45f183954128dca4adbc8d6f3f8f0765e70f4e1f771d297e5. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: cda5d00fa17f8bb45f183954128dca4adbc8d6f3f8f0765e70f4e1f771d297e5
SHA3-384 hash: 605fc1399c5649202de6da0296e7708308ce45f9441650559a7ff8b2dd193f194b3c677700845212b3823390fdc5df1e
SHA1 hash: 4195c21947267b4bc8654106d849774125f5835b
MD5 hash: 7c64e16f4b3aae8c312763d241c78de9
humanhash: green-double-black-fifteen
File name:task.vbs
Download: download sample
Signature RemcosRAT
File size:88'606 bytes
First seen:2026-09-02 16:04:40 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 384:Ep/zyYVNSh3/cehoDjWF1RmGrc73ZtsED6Gi6:E4Gi6
TLSH T11383743B22B1622076A484454CDDBEC6EC7F867F53C28ABBE580C9E6924B3217DF5744
Magika vba
Reporter abuse_ch
Tags:RAT RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm evasive fingerprint obfuscated overlay powershell
Verdict:
Malicious
File Type:
vbs
First seen:
2026-09-01T20:44:00Z UTC
Last seen:
2026-09-01T21:21:00Z UTC
Hits:
~10
Result
Threat name:
Remcos, DarkTortilla
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Remcos
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
Unusual module load detection (module proxying)
VBScript performs obfuscated calls to suspicious functions
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 AntiVM3
Yara detected DarkTortilla Crypter
Yara detected MSIL Injector
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1967516 Sample: task.vbs Startdate: 02/09/2026 Architecture: WINDOWS Score: 100 34 www.consultarprocesosramajudicial.com.co 2->34 36 taskerempresascol.co 2->36 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 16 other signatures 2->60 10 wscript.exe 1 2->10         started        signatures3 process4 signatures5 62 Wscript starts Powershell (via cmd or directly) 10->62 64 Obfuscated command line found 10->64 66 Bypasses PowerShell execution policy 10->66 68 4 other signatures 10->68 13 powershell.exe 14 16 10->13         started        process6 dnsIp7 40 taskerempresascol.co 52.45.232.96, 443, 49729, 49730 AMAZON-AES-AmazoncomIncUS United States 13->40 76 Writes to foreign memory regions 13->76 78 Injects a PE file into a foreign processes 13->78 17 CasPol.exe 5 13->17         started        20 CasPol.exe 13->20         started        22 conhost.exe 13->22         started        signatures8 process9 signatures10 42 Injects a PE file into a foreign processes 17->42 24 CasPol.exe 7 4 17->24         started        44 Contains functionality to bypass UAC (CMSTPLUA) 20->44 46 Contains functionalty to change the wallpaper 20->46 48 Contains functionality to register a low level keyboard hook 20->48 50 Unusual module load detection (module proxying) 20->50 52 Installs a global keyboard hook 22->52 process11 dnsIp12 38 www.consultarprocesosramajudicial.com.co 2.24.193.4, 2466, 49740 AS-HOSTINGERCY United States 24->38 32 C:\ProgramData\remco2\logs.dat, data 24->32 dropped 70 Installs a global keyboard hook 24->70 29 wscript.exe 24->29         started        file13 signatures14 process15 signatures16 72 VBScript performs obfuscated calls to suspicious functions 29->72 74 Creates processes via WMI 29->74
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.10 T1027 T1047 T1059.005 VBScript Wscript.Shell
Threat name:
Win32.Dropper.Generic
Status:
Suspicious
First seen:
2026-09-02 01:04:14 UTC
File Type:
Binary
AV detection:
5 of 36 (13.89%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Executes a VBScript file via the Windows Script Host.
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://taskerempresascol.co/MSI.png
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

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 cda5d00fa17f8bb45f183954128dca4adbc8d6f3f8f0765e70f4e1f771d297e5

(this sample)

  
Delivery method
Distributed via web download

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