MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 198daaa357fea1d108030cc062789b217dc982c71f761a3eaa6ae06545776fc4. 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: 9

Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash:	198daaa357fea1d108030cc062789b217dc982c71f761a3eaa6ae06545776fc4
SHA3-384 hash:	9d38109e0bec7c4c2473a9570ea7c252078b0ee43fd2775956f24094a15a2993b414ac212f52e32e144a76de5bdd8ae8
SHA1 hash:	f189fe883546170e4f56b7e7ed2943ac36c14ebb
MD5 hash:	a49235295f14d88c031cf032ca8d75bb
humanhash:	fillet-island-romeo-tennis
File name:	Update.vbs
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	4'447'939 bytes
First seen:	2025-06-13 06:31:55 UTC
Last seen:	Never
File type:	vbs
MIME type:	text/plain
ssdeep	49152:/kSEmSZwh5kS08SOLdfaeucy239U+T2Yrv1m9Sr8l:W
TLSH	T18C26E0CF7D0D9A84889232FA68258592F2CC83E57301EBB2FD7CC55173958B8D96B391
Magika	vba
Reporter	abuse_ch
Tags:	RemcosRAT vbs

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/9280/

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=684bc84e07b5e8c1cfe6a623

Tags:

obfuscate xtreme spawn

Verdict:

Malicious

Labled as:

HEUR_TrojanDownloader_Script_Generic

Link:

https://www.hybrid-analysis.com/sample/198daaa357fea1d108030cc062789b217dc982c71f761a3eaa6ae06545776fc4

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1713881

Signature

Bypasses PowerShell execution policy

Connects to a pastebin service (likely for C&C)

Found suspicious powershell code related to unpacking or dynamic code loading

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for submitted file

Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)

Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)

Sigma detected: Base64 Encoded PowerShell Command Detected

Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines

Sigma detected: Net WebClient Casing Anomalies

Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: PowerShell Base64 Encoded Reflective Assembly Load

Sigma detected: Script Initiated Connection to Non-Local Network

Sigma detected: Suspicious PowerShell Parameter Substring

Sigma detected: WScript or CScript Dropper

Suspicious execution chain found

Suspicious powershell command line found

System process connects to network (likely due to code injection or exploit)

Wscript starts Powershell (via cmd or directly)

Yara detected Powershell decode and execute

Yara detected Powershell download and execute

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

62%

Verdict:

Susipicious

File Type:

SCRIPT

Link:

https://malprob.io/report/198daaa357fea1d108030cc062789b217dc982c71f761a3eaa6ae06545776fc4

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/198daaa357fea1d108030cc062789b217dc982c71f761a3eaa6ae06545776fc4/

Threat name:

Script.Trojan.Heuristic

Status:

Malicious

First seen:

2025-06-12 19:54:00 UTC

File Type:

Text (VBS)

AV detection:

7 of 24 (29.17%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=dgg2vi2x72q5ccadbtage6e3ef64tawhd53bupvknlqgkrlxn7ca._file

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:tp123 discovery execution rat

Link:

https://tria.ge/reports/250613-hbq87awsgz/

Behaviour

Script User-Agent

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

Checks computer location settings

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Remcos

Remcos family

Malware Config

C2 Extraction:

windows.driversact.store:2404

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

0.88

Link:

https://yomi.yoroi.company/submissions/198daaa357fea1d108030cc062789b217dc982c71f761a3eaa6ae06545776fc4

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:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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)