MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0645ad6e3c8752a0a38d46c623ed84eeaac4117cd4c7e6d0055137de16ef5b4e. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
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SHA256 hash: 0645ad6e3c8752a0a38d46c623ed84eeaac4117cd4c7e6d0055137de16ef5b4e
SHA3-384 hash: 4288e6e5a127999c917579c858fcdbb43f81da30cad2ee609f053bca658da7e8d10c2980fadd6a99172522fc48b665d5
SHA1 hash: 2203cf2dce8bfa9fc16d3a13ecfef359f1dbe05e
MD5 hash: ff26d99b8963fcfed196e5a9c78cc0be
humanhash: sixteen-artist-chicken-fruit
File name:PO26001-RICHLINE.vbs
Download: download sample
Signature RemcosRAT
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File size:14'879'446 bytes
First seen:2026-06-11 08:11:10 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/csv
ssdeep 384:zmwOAl5cO84iMVpSWlODjgGA4JFm2/sWh0y26jMwPtYNslyw8vIDI10F9lV/vUk9:ij
TLSH T199E6D5D26560E38C7033648376DAAF1CA3977B10743DCA466AD0EE3ED850EA45CDE94B
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika txt
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.GT.VB.Heur2.ZBot.3.8D79C100.28426.29013.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a2a6dc5a15110463ee4b338
Tags:
xtreme shell sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6a2a6dbc1f652d6865779ca9/reports/d43e826f-ee36-4ad1-a0be-0c84a090ddf4/overview
Verdict:
Malicious
Labled as:
GT:VB.Heur2.ZBot.3
Link:
https://www.hybrid-analysis.com/sample/0645ad6e3c8752a0a38d46c623ed84eeaac4117cd4c7e6d0055137de16ef5b4e
Verdict:
Malicious
File Type:
vbs
First seen:
2026-06-11T04:29:00Z UTC
Last seen:
2026-06-11T05:09:00Z UTC
Hits:
~10
Detections:
PDM:Exploit.Win32.Generic Trojan.MSIL.Crypt.sb HEUR:Trojan.VBS.SAgent.gen Trojan.VBS.SAgent.sb Trojan.JS.SAgent.sb Trojan-Downloader.MSIL.Seraph.d Trojan-Downloader.MSIL.Agent.c Trojan-Downloader.JS.SLoad.sb PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/0645ad6e3c8752a0a38d46c623ed84eeaac4117cd4c7e6d0055137de16ef5b4e/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/1926423
Signature
.NET source code contains potential unpacker
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 check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Internet Explorer form passwords
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
Detected Remcos RAT
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
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: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Environment Variable Has Been Registered
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Uses dynamic DNS services
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1926423 Sample: PO26001-RICHLINE.vbs Startdate: 11/06/2026 Architecture: WINDOWS Score: 100 34 1sun.duckdns.org 2->34 36 small-morning-8be0.fsocietyandtools.workers.dev 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 62 12 other signatures 2->62 8 wscript.exe 12 1 2->8         started        signatures3 60 Uses dynamic DNS services 34->60 process4 signatures5 64 Suspicious powershell command line found 8->64 66 Wscript starts Powershell (via cmd or directly) 8->66 68 Bypasses PowerShell execution policy 8->68 70 5 other signatures 8->70 11 powershell.exe 14 15 8->11         started        15 powershell.exe 15 8->15         started        process6 dnsIp7 40 small-morning-8be0.fsocietyandtools.workers.dev 104.21.15.227, 443, 49725 CLOUDFLARENET-CloudflareIncUS Canada 11->40 72 Writes to foreign memory regions 11->72 74 Found suspicious powershell code related to unpacking or dynamic code loading 11->74 76 Injects a PE file into a foreign processes 11->76 78 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->78 17 CasPol.exe 11->17         started        20 CasPol.exe 4 3 11->20         started        24 conhost.exe 11->24         started        26 conhost.exe 15->26         started        signatures8 process9 dnsIp10 42 Contains functionality to bypass UAC (CMSTPLUA) 17->42 44 Contains functionalty to change the wallpaper 17->44 46 Contains functionality to steal Internet Explorer form passwords 17->46 52 2 other signatures 17->52 38 1sun.duckdns.org 185.161.208.152, 49726, 49727, 62885 DELTAHOST-ASUA Netherlands 20->38 28 C:\Users\user\AppData\...\Login Data.tmp, SQLite 20->28 dropped 30 C:\Users\user\AppData\...\Login Data.tmp, SQLite 20->30 dropped 32 C:\Users\user\...\Login Data For Account.tmp, SQLite 20->32 dropped 48 Detected Remcos RAT 20->48 50 Tries to harvest and steal browser information (history, passwords, etc) 20->50 file11 signatures12
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0645ad6e3c8752a0a38d46c623ed84eeaac4117cd4c7e6d0055137de16ef5b4e/
Threat name:
Text.Infostealer.Zeus
Create hunting rule
Status:
Malicious
First seen:
2026-06-11 08:12:49 UTC
File Type:
Text (VBS)
AV detection:
3 of 36 (8.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=azc223r4q5jkbi4ni3dch3me52vmiel42td6nuafke354fxplnha._file
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:photo%$ collection discovery execution rat
Link:
https://tria.ge/reports/260611-j3mkrabv5p/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Remcos
Process spawned unexpected child process
Malware Config
C2 Extraction:
1sun.duckdns.org:62885
1sun-bk.duckdns.org:55793
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.16
Link:
https://yomi.yoroi.company/submissions/0645ad6e3c8752a0a38d46c623ed84eeaac4117cd4c7e6d0055137de16ef5b4e

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:Sus_CMD_Powershell_Usage
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Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Comments