MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42a95a895792daa5cadf26023d3413a7586b2bb064ef0ea82896d5e6e641e37d. 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: 12


Intelligence 12 IOCs YARA 18 File information Comments

SHA256 hash: 42a95a895792daa5cadf26023d3413a7586b2bb064ef0ea82896d5e6e641e37d
SHA3-384 hash: f7e58450b596996255a3602b4cb954dcce57d2046a71130bb9ac83dbc04c54541ce544759a8e81d0e1d050c2816aad06
SHA1 hash: 06e3a81bca24e1ffecc31dd1e2e131287c4c46ac
MD5 hash: 977b693ae0cb8cc4405595517eded793
humanhash: mango-mirror-maryland-purple
File name:Estado de cuenta.vbs
Download: download sample
Signature RemcosRAT
File size:1'056'618 bytes
First seen:2025-11-08 07:46:35 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12288:BjfUdXeixhuKm+HvuTREag0e/vFfZF+DF1VpDZYJ0UWJB/+3itvvLBP8+GP5UU2A:IXemuK7WTREaJGUj84/fcMFi
Threatray 60 similar samples on MalwareBazaar
TLSH T14B2503634924895CC39533E52CE6F89A0FEE3D5D913CE92D56E212097F353C8E2BD628
Magika vba
Reporter abuse_ch
Tags:RAT RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
68
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.2%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 cmd evasive fingerprint lolbin obfuscated powershell
Verdict:
Malicious
File Type:
vbs
First seen:
2025-11-07T12:23:00Z UTC
Last seen:
2025-11-10T04:02:00Z UTC
Hits:
~1000
Detections:
Trojan-Downloader.JS.Cryptoload.sb HEUR:Trojan.Script.Generic HEUR:Trojan.PowerShell.Tesre.sb HEUR:Trojan.BAT.Tesre.gen Trojan.BAT.Agent.sb PDM:Trojan.Win32.Generic Trojan.PowerShell.AmsiBypass.sb Trojan.JS.SAgent.sb
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains a sample name check
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Detected Remcos RAT
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1810384 Sample: Estado de cuenta.vbs Startdate: 08/11/2025 Architecture: WINDOWS Score: 100 33 Suricata IDS alerts for network traffic 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 15 other signatures 2->39 9 wscript.exe 1 2->9         started        process3 file4 29 C:\Users\Public\PlantationTerritory.bat, ASCII 9->29 dropped 51 Wscript starts Powershell (via cmd or directly) 9->51 53 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->53 55 Suspicious execution chain found 9->55 57 Creates processes via WMI 9->57 13 cmd.exe 1 9->13         started        signatures5 process6 signatures7 59 Suspicious powershell command line found 13->59 61 Wscript starts Powershell (via cmd or directly) 13->61 63 Bypasses PowerShell execution policy 13->63 16 cmd.exe 1 13->16         started        18 conhost.exe 13->18         started        process8 process9 20 cmd.exe 2 16->20         started        signatures10 41 Suspicious powershell command line found 20->41 43 Wscript starts Powershell (via cmd or directly) 20->43 23 powershell.exe 5 28 20->23         started        27 conhost.exe 20->27         started        process11 dnsIp12 31 103.133.109.188, 1230, 49690 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 23->31 45 Detected Remcos RAT 23->45 47 Found suspicious powershell code related to unpacking or dynamic code loading 23->47 49 Loading BitLocker PowerShell Module 23->49 signatures13
Gathering data
Verdict:
Malicious
Threat:
Trojan-Downloader.JS.Cryptoload
Threat name:
Script-WScript.Backdoor.Remcos
Status:
Malicious
First seen:
2025-11-08 07:47:14 UTC
File Type:
Text
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Process spawned unexpected child process
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
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)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Author:Matthew @ Embee_Research

File information


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

Comments