MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8acac252db9cc404cff2e25a41ee946d8511b8723233df1be45423d4c2d1f3ec. 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 21 File information Comments

SHA256 hash:	8acac252db9cc404cff2e25a41ee946d8511b8723233df1be45423d4c2d1f3ec
SHA3-384 hash:	def1e8f5642b9d5470a3271f324bda1dfb9dc7c467b556d60b1afcb81d471435bd169bc67f50b139008ee5f3c5ceb202
SHA1 hash:	2a04bed82d13f3c682977fefce1a603ce26bbfd3
MD5 hash:	ba9ea982532b258adc2a4cf035f020ef
humanhash:	grey-stairway-nine-football
File name:	Invoice_023012023.vbs
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	809'497 bytes
First seen:	2025-07-23 07:42:30 UTC
Last seen:	Never
File type:	vbs
MIME type:	text/plain
ssdeep	12288:5uG4QHMeDBJajnEWgDCCkQwOHsjsaepXHtyLnpKNul1Ump95vP1IFpu7A17ON94Q:u8lkopzXH+UHgU8N5vN+36
Threatray	4'120 similar samples on MalwareBazaar
TLSH	T19E05E07EDAB5FCC9137A72DE249D7B05006C0BA3A6215FEEE5F084B6253068CDB79814
Magika	vba
Reporter	abuse_ch
Tags:	RAT RemcosRAT vbs

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection:

Remcos

Link:

https://www.capesandbox.com/analysis/16442/

Detection(s):

SecuriteInfo.com.BAT.Obfus-5.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=688092972f623871a5f24e80

Tags:

spawn sage hype

Verdict:

Malicious

Labled as:

VBS/Obfuscated.DB trojan

Link:

https://www.hybrid-analysis.com/sample/8acac252db9cc404cff2e25a41ee946d8511b8723233df1be45423d4c2d1f3ec

Result

Threat name:

n/a

Detection:

malicious

Classification:

expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1742493

Signature

Creates processes via WMI

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

Sigma detected: Base64 Encoded PowerShell Command Detected

Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: PowerShell Base64 Encoded IEX Cmdlet

Sigma detected: WScript or CScript Dropper

Suspicious execution chain found

Suspicious powershell command line found

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Wscript starts Powershell (via cmd or directly)

Yara detected Powershell decode and execute

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/8acac252db9cc404cff2e25a41ee946d8511b8723233df1be45423d4c2d1f3ec

Verdict:

Malware

YARA:

1 match(es)

Tags:

Scripting.FileSystemObject VBScript

Link:

https://app.malva.re/file/ba9ea982532b258adc2a4cf035f020ef

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8acac252db9cc404cff2e25a41ee946d8511b8723233df1be45423d4c2d1f3ec/

Verdict:

Malicious

Threat:

Trojan-Downloader.JS.Cryptoload

Link:

https://tip.neiki.dev/file/8acac252db9cc404cff2e25a41ee946d8511b8723233df1be45423d4c2d1f3ec

Threat name:

Script-WScript.Backdoor.Remcos

Status:

Malicious

First seen:

2025-07-23 07:43:19 UTC

File Type:

Text (VBS)

AV detection:

9 of 36 (25.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=rlfmeuw3ttcajt7s4jned3uunwcrdodsgiz56g7ekqr5jqwr6pwa._file

Result

Malware family:

n/a

Score:

10/10

Tags:

discovery execution

Link:

https://tria.ge/reports/250723-jkdj5acm8y/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Command and Scripting Interpreter: PowerShell

Blocklisted process makes network request

Process spawned unexpected child process

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/8acac252db9cc404cff2e25a41ee946d8511b8723233df1be45423d4c2d1f3ec

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:	botnet_plaintext_c2 Create hunting rule
Author:	cip
Description:	Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	iexplorer_remcos Create hunting rule
Author:	iam-py-test
Description:	Detect iexplorer being taken over by Remcos

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer Create hunting rule
Author:	ditekSHen
Description:	detects Windows exceutables potentially bypassing UAC using eventvwr.exe

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	Remcos Create hunting rule
Author:	kevoreilly
Description:	Remcos Payload

Rule name:	remcos_ Create hunting rule
Author:	Michelle Khalil
Description:	This rule detects unpacked remcos malware samples.

Rule name:	REMCOS_RAT_variants Create hunting rule

Rule name:	SUSP_PS1_JAB_Pattern_Jun22_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable
Reference:	Internal Research

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Windows_Trojan_Remcos_b296e965 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set

Rule name:	win_remcos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.remcos.

Rule name:	win_remcos_rat_unpacked Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.

Rule name:	win_remcos_w0 Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.

Rule name:	yarahub_win_remcos_rat_unpacked_aug_2023 Create hunting rule
Author:	Matthew @ Embee_Research

File information

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

Cape

https://www.capesandbox.com/analysis/16442/

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