MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c62e04f87c433c259d9dbcafecbc70a782ff4fbefd62d270239d7998363262fc. 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: 14


Intelligence 14 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c62e04f87c433c259d9dbcafecbc70a782ff4fbefd62d270239d7998363262fc
SHA3-384 hash: 92c3f03fc6209515feb49a2add0097f0d9ea50015be800afc18109b68612ef72283f9ba9664e925f27775c6b953c917f
SHA1 hash: 6966790ba1e211a853281698a242ce3f581bf2b2
MD5 hash: cba73c53fbb9ed6084329b7a92689914
humanhash: delta-mountain-pluto-sierra
File name:31agosto.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:3'445'286 bytes
First seen:2025-09-15 08:26:04 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 192:5NbNbNbNbNbNaNbNbNbNbNbNbNbNbNbNbNbNbNbNbNbNbNbNbNbNbNbNbNbNbNbe:vatqVTthyunGmmmmmmmmmmmmmaE3N
Threatray 1'513 similar samples on MalwareBazaar
TLSH T17FF527A26AF88054B1BB2F09507E67250E7EBD959D3C802C0205965FDDA3F80CEB57B7
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika vba
Reporter abuse_ch
Tags:RAT RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
SE SE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/27489/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c7cdb3d49ea3f1e4b5dd31
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 evasive obfuscated powershell
Link:
https://www.filescan.io/uploads/68c7cdc6dbc6f5a29c452e71/reports/e7e924ba-cd40-401f-a5da-0e1d9fca0c06/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c62e04f87c433c259d9dbcafecbc70a782ff4fbefd62d270239d7998363262fc
Verdict:
Malicious
File Type:
text
First seen:
2025-09-12T08:06:00Z UTC
Last seen:
2025-09-12T08:06:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.Script.Generic Trojan-Downloader.JS.SLoad.sb Trojan.Win32.Agent.sb Trojan.JS.SAgent.sb
Link:
https://opentip.kaspersky.com/c62e04f87c433c259d9dbcafecbc70a782ff4fbefd62d270239d7998363262fc/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1777585
Signature
.NET source code contains potential unpacker
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to determine the online IP of the system
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Detected Remcos RAT
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
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
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Silenttrinity Stager Msbuild Activity
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
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 Generic Downloader
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1777585 Sample: 31agosto.vbs Startdate: 15/09/2025 Architecture: WINDOWS Score: 100 39 remdefrem.duckdns.org 2->39 41 textbin.net 2->41 43 7 other IPs or domains 2->43 53 Suricata IDS alerts for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 63 17 other signatures 2->63 10 wscript.exe 1 2->10         started        signatures3 59 Uses dynamic DNS services 39->59 61 Connects to a pastebin service (likely for C&C) 41->61 process4 signatures5 69 Suspicious powershell command line found 10->69 71 Wscript starts Powershell (via cmd or directly) 10->71 73 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->73 75 Suspicious execution chain found 10->75 13 powershell.exe 7 10->13         started        process6 signatures7 85 Suspicious powershell command line found 13->85 87 Encrypted powershell cmdline option found 13->87 89 Bypasses PowerShell execution policy 13->89 91 Found suspicious powershell code related to unpacking or dynamic code loading 13->91 16 powershell.exe 14 18 13->16         started        20 conhost.exe 13->20         started        process8 dnsIp9 35 dpaste.org 104.20.36.119, 443, 49691, 49693 CLOUDFLARENETUS United States 16->35 37 textbin.net 172.67.166.77, 443, 49690 CLOUDFLARENETUS United States 16->37 31 C:\Users\user\AppData\Local\Temp\veeoZ.ps1, Unicode 16->31 dropped 22 powershell.exe 11 16->22         started        file10 process11 dnsIp12 45 pastebin.com 172.66.171.73, 443, 49692 CLOUDFLARENETUS United States 22->45 65 Writes to foreign memory regions 22->65 67 Injects a PE file into a foreign processes 22->67 26 MSBuild.exe 4 15 22->26         started        signatures13 process14 dnsIp15 47 remdefrem.duckdns.org 186.169.73.108, 2024, 49695 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 26->47 49 api.findip.net 104.21.93.189, 443, 49698 CLOUDFLARENETUS United States 26->49 51 api.ipify.org 104.26.12.205, 443, 49697 CLOUDFLARENETUS United States 26->51 33 C:\ProgramData\remcos\logs.dat, data 26->33 dropped 77 Contains functionality to bypass UAC (CMSTPLUA) 26->77 79 Detected Remcos RAT 26->79 81 Contains functionality to determine the online IP of the system 26->81 83 5 other signatures 26->83 file16 signatures17
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/c62e04f87c433c259d9dbcafecbc70a782ff4fbefd62d270239d7998363262fc
Verdict:
Malware
YARA:
2 match(es)
Tags:
DeObfuscated Obfuscated PowerShell T1059.005 VBS Execute Sub-Script VBScript WScript.Shell
Link:
https://app.malva.re/file/cba73c53fbb9ed6084329b7a92689914
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c62e04f87c433c259d9dbcafecbc70a782ff4fbefd62d270239d7998363262fc/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/c62e04f87c433c259d9dbcafecbc70a782ff4fbefd62d270239d7998363262fc
Threat name:
Win32.Trojan.Honolulu
Create hunting rule
Status:
Malicious
First seen:
2025-09-12 10:31:08 UTC
File Type:
Text (VBS)
AV detection:
4 of 38 (10.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yyxaj6d4im6clhm5xsx6zpdqu6bp6t567vrne4bdtv4zqnrsml6a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2d0f39d696f56871af658067664d2bd79b77928ba7b289393b9f7e75ac85e321
RemcosRAT
6f0877cdcc9b0b0c6837fe90e9f8d2492f36471cb57a477e24b57530d16b5ec9
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809ecfe0d5639158fd1626f4bf2c4c3629a64e012f95f7a08d1b6b0c8a65508e
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8d61a111c690ba0dead25b1a2e06fcf7c374e3a610b1ae82e4b385ca52d44014
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8f1b4058ea33988e80e1ca765d6054045b5da575b7678b7e79afb9957128760b
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932791f59371b7a69c112bedde0a369f77b03ce6ab3f4cb1c08be7ff49846137
RemcosRAT
9b74c6472957df96c56ddef5fbc4996f071ce281109a4bdace0ccc1162845648
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b8aae9a506fea0ae59c1bab1d46ad400597a741c5c009a20e13ac4e0c55fac0e
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bfaaf672b1741b950b48b3f2296d79bf38c18bc8f14fd1b38905721299811386
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e36d13a1a406cdb3b6f4d90653cb212d4c4f2e59ee7435fa43aa053ecb066b05
RemcosRAT
+ 1'503 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos discovery execution rat
Link:
https://tria.ge/reports/250915-kb9rmsgm21/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Badlisted process makes network request
Remcos
Remcos family
Malware Config
C2 Extraction:
@remdefP.duckdns.org:2024
Dropper Extraction:
https://textbin.net/raw/xsi2eulwpw
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c62e04f87c433c259d9dbcafecbc70a782ff4fbefd62d270239d7998363262fc

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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

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 c62e04f87c433c259d9dbcafecbc70a782ff4fbefd62d270239d7998363262fc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3619990/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/27489/

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