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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4574fb6323e861d9415d00bd4d031f8675f55382d1c3b6685c9de792fa6dd986. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4574fb6323e861d9415d00bd4d031f8675f55382d1c3b6685c9de792fa6dd986
SHA3-384 hash: bf93db19b835bae43c30851596bd537097cd91693092dcfc06742f077ddeb17ee929aee1f180f8c2866414e71c2a65a1
SHA1 hash: 56ae347da72e6f1990a1caa993296dfc58ea242e
MD5 hash: 33062795b31ab7f727bb21a9c07c6d5f
humanhash: ten-lamp-nitrogen-london
File name:Gennembldes.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:140'352 bytes
First seen:2026-05-28 06:28:16 UTC
Last seen:2026-05-29 12:33:45 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:vK3iCMeUMUYFmzVARGvZiv7A38oqaz4d808M9:ciCMepvFgA8vwvW1He808+
TLSH T195D33920DDE007790F4317BDFD851A21C5BCC629422290FDF6DA171DA11A5BCE7BEAA8
Magika vba
Reporter lowmal3
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
2
# of downloads :
86
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/68231/
Verdict:
Suspicious
Score:
50%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a17e08ac73fda38a80a4d83
Tags:
xtreme shell sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint
Link:
https://www.filescan.io/uploads/6a17e084099ef368af0770c2/reports/edb04770-4be0-4ff3-acc4-251ff71596ee/overview
Verdict:
Suspicious
Labled as:
VBS/Agent.CTZ
Link:
https://www.hybrid-analysis.com/sample/4574fb6323e861d9415d00bd4d031f8675f55382d1c3b6685c9de792fa6dd986
Verdict:
Malicious
File Type:
vbs
First seen:
2026-05-27T22:26:00Z UTC
Last seen:
2026-05-30T04:32:00Z UTC
Hits:
~10000
Detections:
HEUR:Trojan.VBS.SAgent.gen HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb
Link:
https://opentip.kaspersky.com/4574fb6323e861d9415d00bd4d031f8675f55382d1c3b6685c9de792fa6dd986/results?tab=lookup
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1919604
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to steal Internet Explorer form passwords
Detected Remcos RAT
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Uses ping.exe to check the status of other devices and networks
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 reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1919604 Sample: Gennembldes.vbs Startdate: 28/05/2026 Architecture: WINDOWS Score: 100 38 Bera_6637.6637.6637.657e 2->38 40 drive.usercontent.google.com 2->40 42 drive.google.com 2->42 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Yara detected GuLoader 2->54 56 8 other signatures 2->56 8 powershell.exe 16 2->8         started        11 wscript.exe 1 2->11         started        signatures3 process4 signatures5 58 Writes to foreign memory regions 8->58 60 Found suspicious powershell code related to unpacking or dynamic code loading 8->60 62 Switches to a custom stack to bypass stack traces 8->62 13 backgroundTaskHost.exe 4 9 8->13         started        18 backgroundTaskHost.exe 8->18         started        20 conhost.exe 8->20         started        64 VBScript performs obfuscated calls to suspicious functions 11->64 66 Suspicious powershell command line found 11->66 68 Wscript starts Powershell (via cmd or directly) 11->68 70 5 other signatures 11->70 22 powershell.exe 14 16 11->22         started        24 PING.EXE 1 11->24         started        process6 dnsIp7 44 91.92.41.94, 2404, 49731, 49732 SINOWORLDWIDEHK Bulgaria 13->44 32 C:\Users\user\AppData\...\Login Data.tmp, SQLite 13->32 dropped 34 C:\Users\user\AppData\...\Login Data.tmp, SQLite 13->34 dropped 36 C:\Users\user\...\Login Data For Account.tmp, SQLite 13->36 dropped 72 Detected Remcos RAT 13->72 74 Tries to harvest and steal browser information (history, passwords, etc) 13->74 26 backgroundTaskHost.exe 13->26         started        76 Contains functionality to steal Internet Explorer form passwords 18->76 78 Unusual module load detection (module proxying) 18->78 46 drive.google.com 172.253.124.139, 443, 49722, 49729 GOOGLE-GoogleLLCUS United States 22->46 48 drive.usercontent.google.com 64.233.177.132, 443, 49725, 49730 GOOGLE-GoogleLLCUS United States 22->48 80 Found suspicious powershell code related to unpacking or dynamic code loading 22->80 28 conhost.exe 22->28         started        30 conhost.exe 24->30         started        file8 signatures9 process10
Score:
96%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4574fb6323e861d9415d00bd4d031f8675f55382d1c3b6685c9de792fa6dd986
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4574fb6323e861d9415d00bd4d031f8675f55382d1c3b6685c9de792fa6dd986/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/4574fb6323e861d9415d00bd4d031f8675f55382d1c3b6685c9de792fa6dd986
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2026-05-28 01:46:59 UTC
File Type:
Text (VBS)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iv2pwyzd5bq5sqk5ac6u2ay7qz27ku4c2hb3m2c4txtzf6tn3gda._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery rat
Link:
https://tria.ge/reports/260528-g8gwcagz6q/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
Family: Remcos
Malware Config
C2 Extraction:
91.92.41.94:2404
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4574fb6323e8/report/overview.html
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/4574fb6323e861d9415d00bd4d031f8675f55382d1c3b6685c9de792fa6dd986

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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:detect_tiny_vbs
Create hunting rule
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.

Malspam

RemcosRAT

Visual Basic Script (vbs) vbs 4574fb6323e861d9415d00bd4d031f8675f55382d1c3b6685c9de792fa6dd986

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/68231/

Comments