MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08e51e36a95e7aa0b388ccab1aa085836ed86b2ef8c0ccc21f10f700029e31a9. 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

SHA256 hash: 08e51e36a95e7aa0b388ccab1aa085836ed86b2ef8c0ccc21f10f700029e31a9
SHA3-384 hash: f0966852877691dd6baa314c99b377a3b3cbbaec659c5f6da15f946a1029400b638ad0f5387a2008c41b32f24b347220
SHA1 hash: 99c22b874554e7f4f45aa31feb7557552e43ff04
MD5 hash: bf10f2c31fe545fb68434244dbf31f4b
humanhash: uranus-timing-sierra-yankee
File name:bf10f2c31fe545fb68434244dbf31f4b.vbs
Download: download sample
Signature RemcosRAT
File size:23'686 bytes
First seen:2026-03-03 14:39:48 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 384:KaQ1aGXcQo5ICIDaYJ6YykjyfF3Iv/rDBsfhY88vN7MIFETYXJc1xeD:KaQyQHkCUg+yc1xeD
Threatray 154 similar samples on MalwareBazaar
TLSH T1A9B22E3EC9899FE0076B31A1A56F7A16A5140323B5382A0D7DCFC5AD3B75610CBB10EE
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
386
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.9%
Tags:
uloader virus shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint obfuscated obfuscated powershell powershell
Verdict:
Malicious
File Type:
vbs
Detections:
Trojan-Downloader.SLoad.TCP.ServerRequest PDM:Trojan.Win32.Generic Trojan-Downloader.PowerShell.NanoShield.sb Trojan.JS.SAgent.sb HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.Script.Generic
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found stalling execution ending in API Sleep call
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Powerup Write Hijack DLL
Sigma detected: Register Wscript In Run Key
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
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 MSIL Injector
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1877546 Sample: V7BBHqfmXu.vbs Startdate: 03/03/2026 Architecture: WINDOWS Score: 100 59 pastefy.app 2->59 61 okullu.com 2->61 73 Sigma detected: Register Wscript In Run Key 2->73 75 Suricata IDS alerts for network traffic 2->75 77 Found malware configuration 2->77 79 18 other signatures 2->79 9 wscript.exe 1 2->9         started        12 wscript.exe 2->12         started        14 wscript.exe 2->14         started        signatures3 process4 signatures5 89 VBScript performs obfuscated calls to suspicious functions 9->89 91 Suspicious powershell command line found 9->91 93 Wscript starts Powershell (via cmd or directly) 9->93 95 3 other signatures 9->95 16 powershell.exe 15 19 9->16         started        process6 dnsIp7 55 okullu.com 78.142.208.46, 443, 49718, 49720 VERIDYENVeridyenBilisimTeknolojileriSanayiveTicaretLi Turkey 16->55 57 pastefy.app 138.199.231.27, 443, 49715 ORANGE-BUSINESS-SERVICES-IPSN-ASNFR European Union 16->57 45 C:\Users\user\AppData\Local\...\wrffite.bat, ASCII 16->45 dropped 65 Writes to foreign memory regions 16->65 67 Modifies the context of a thread in another process (thread injection) 16->67 69 Suspicious execution chain found 16->69 71 Injects a PE file into a foreign processes 16->71 21 RegAsm.exe 4 6 16->21         started        26 cmd.exe 1 16->26         started        28 conhost.exe 16->28         started        file8 signatures9 process10 dnsIp11 63 192.3.27.141, 49724, 49725, 8087 AS-COLOCROSSINGUS United States 21->63 47 C:\Users\user\AppData\Local\Temp\TH7702.tmp, MS-DOS 21->47 dropped 49 C:\Users\user\AppData\Local\Temp\TH76C2.tmp, MS-DOS 21->49 dropped 51 C:\Users\user\AppData\Local\Temp\TH7673.tmp, MS-DOS 21->51 dropped 53 C:\ProgramData\remcos\logs.dat, data 21->53 dropped 81 Contains functionality to bypass UAC (CMSTPLUA) 21->81 83 Detected Remcos RAT 21->83 85 Found stalling execution ending in API Sleep call 21->85 87 8 other signatures 21->87 30 userinit.exe 2 21->30         started        33 userinit.exe 1 21->33         started        35 userinit.exe 1 21->35         started        37 conhost.exe 26->37         started        39 tasklist.exe 1 26->39         started        41 tasklist.exe 1 26->41         started        43 5 other processes 26->43 file12 signatures13 process14 signatures15 97 Tries to steal Mail credentials (via file registry) 30->97 99 Tries to harvest and steal browser information (history, passwords, etc) 30->99 101 Unusual module load detection (module proxying) 30->101 103 Tries to steal Instant Messenger accounts or passwords 33->103 105 Tries to steal Mail credentials (via file / registry access) 33->105
Gathering data
Threat name:
Script-WScript.Trojan.GuLoader
Status:
Malicious
First seen:
2026-03-02 12:31:45 UTC
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery execution persistence rat
Behaviour
Delays execution with timeout.exe
Kills process with taskkill
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
Enumerates processes with tasklist
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
Remcos
Remcos family
Malware Config
C2 Extraction:
192.3.27.141:8087
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: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)

File information


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

Comments