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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4491fb5046f84845c6155237059bf9d52944d3382de6a41843b1d78ba2da3ca3. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4491fb5046f84845c6155237059bf9d52944d3382de6a41843b1d78ba2da3ca3
SHA3-384 hash: 02d60924b80b824a4914a83a06c189d700e5cccb30a0fae16510bf94bbefb440bd402ff24beae0bca5c010292767bf47
SHA1 hash: ca23516999227903426168a1425b427b3a952a06
MD5 hash: c7df89fc5b41fd8b5097bdd9426f6077
humanhash: sodium-alpha-washington-floor
File name:บันทึกพนักงาน.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:52'708 bytes
First seen:2026-06-04 09:22:28 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:/F5orTOARbmAkj2AlCbDMc5rx2ax77PDyV7499:/F8iARbTkSAlCbDMARx7qd4X
TLSH T14D334CB1DF441A599F4B26BDDC807652DA3887A2052300E6FFD85308F10EABCB77DA59
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/68970/
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a214411f8676ad4d360f6b5
Tags:
xtreme shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint ping
Link:
https://www.filescan.io/uploads/6a214406099ef368af1d0127/reports/55409ed0-7515-46f4-8095-03d18069152b/overview
Verdict:
Malicious
Labled as:
Generik.LKHAZZN trojan
Link:
https://www.hybrid-analysis.com/sample/4491fb5046f84845c6155237059bf9d52944d3382de6a41843b1d78ba2da3ca3
Verdict:
Malicious
File Type:
vbs
First seen:
2026-06-03T20:03:00Z UTC
Last seen:
2026-06-05T13:04:00Z UTC
Hits:
~100
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/4491fb5046f84845c6155237059bf9d52944d3382de6a41843b1d78ba2da3ca3/results?tab=lookup
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1922817
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
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: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1922817 Sample: #U0e1a#U0e31#U0e19#U0e17#U0... Startdate: 04/06/2026 Architecture: WINDOWS Score: 100 36 Bera_6637.6637.6637.657e 2->36 38 drive.usercontent.google.com 2->38 40 drive.google.com 2->40 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected GuLoader 2->50 52 5 other signatures 2->52 8 wscript.exe 1 2->8         started        11 powershell.exe 18 2->11         started        13 svchost.exe 1 1 2->13         started        signatures3 process4 dnsIp5 54 VBScript performs obfuscated calls to suspicious functions 8->54 56 Suspicious powershell command line found 8->56 58 Wscript starts Powershell (via cmd or directly) 8->58 66 5 other signatures 8->66 16 powershell.exe 14 16 8->16         started        20 PING.EXE 1 8->20         started        60 Writes to foreign memory regions 11->60 62 Found suspicious powershell code related to unpacking or dynamic code loading 11->62 64 Switches to a custom stack to bypass stack traces 11->64 22 conhost.exe 11->22         started        24 backgroundTaskHost.exe 11->24         started        26 backgroundTaskHost.exe 11->26         started        42 127.0.0.1 unknown unknown 13->42 signatures6 process7 dnsIp8 32 drive.google.com 142.250.141.139, 443, 49689 GOOGLE-GoogleLLCUS United States 16->32 34 drive.usercontent.google.com 74.125.137.132, 443, 49690 GOOGLE-GoogleLLCUS United States 16->34 44 Found suspicious powershell code related to unpacking or dynamic code loading 16->44 28 conhost.exe 16->28         started        30 conhost.exe 20->30         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4491fb5046f84845c6155237059bf9d52944d3382de6a41843b1d78ba2da3ca3
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4491fb5046f84845c6155237059bf9d52944d3382de6a41843b1d78ba2da3ca3/
Verdict:
Malicious
Threat:
Family.REMCOSRAT
Link:
https://tip.neiki.dev/file/4491fb5046f84845c6155237059bf9d52944d3382de6a41843b1d78ba2da3ca3
Threat name:
Win32.Trojan.Qwexlafiba
Create hunting rule
Status:
Malicious
First seen:
2026-06-04 00:58:35 UTC
File Type:
Text (VBS)
AV detection:
9 of 23 (39.13%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=isi7wucg7beelrqvki3qlg7z2uuujuzyfxtkigcdwhlyxiw2hsrq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery rat
Link:
https://tria.ge/reports/260604-lckpksbz3x/
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:
23.95.117.252:3001
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/4491fb5046f84845c6155237059bf9d52944d3382de6a41843b1d78ba2da3ca3

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
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.

Cape
Cape
https://www.capesandbox.com/analysis/68970/

Comments