MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52c431c39253d87fea7e9465ec9ad2ddebd67ec928b25486cddb0dfdace82ad7. 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: 13

Intelligence 13 IOCs YARA 20 File information Comments

SHA256 hash:	52c431c39253d87fea7e9465ec9ad2ddebd67ec928b25486cddb0dfdace82ad7
SHA3-384 hash:	5453e8d68310d6572fe18ec785a3042d6a121237075ce5ba7c101fef5dd2e1601520e747ec9fbf20b64c4a42cfb54e3c
SHA1 hash:	fb69643529d6e04076b02887289351ba7cfe7477
MD5 hash:	59761600fd1e109ed7ac6a0444f5d993
humanhash:	alanine-burger-seven-hotel
File name:	RFQ 762230094 Samples_pdf.bat
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	813'792 bytes
First seen:	2025-11-04 13:47:49 UTC
Last seen:	Never
File type:	bat
MIME type:	text/plain
ssdeep	12288:jWg9+uI80ela8xVbMCeXnMrGOxdQmqySvdvplAN5zSt5OgOUsmADgpnrpAizGGkx:agU0eXJOxcySFvpi0W3UZ1pXzGg0t
Threatray	163 similar samples on MalwareBazaar
TLSH	T1EB056829CF6CB89C32E960EC02BF3A4D10948B6BF5741E7C575412F01DE4A81BA37B99
Magika	batch
Reporter	James_inthe_box
Tags:	bat exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

138

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

RFQ 762230094 Samples_pdf.bat

Verdict:

Suspicious activity

Analysis date:

2025-11-04 13:51:01 UTC

Tags:

susp-powershell

Link:

https://app.any.run/tasks/b8854779-dce4-4452-a8e7-e9c7d73479a8

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/35291/

Detection(s):

SecuriteInfo.com.BAT.Obfus-8.UNOFFICIAL

Verdict:

Malicious

Score:

90.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=690a043f706befaf4ecb9d6a

Tags:

obfuscate xtreme shell

Result

Verdict:

Clean

Maliciousness:

Behaviour

Running batch commands

Launching cmd.exe command interpreter

Launching a process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

base64 evasive masquerade obfuscated powershell

Link:

https://www.filescan.io/uploads/690a04564425b0b1fd13dbd8/reports/5f29cecc-ee60-49e7-9125-7b9c449eb12b/overview

Verdict:

Suspicious

Labled as:

BAT/Agent5.BEZ

Link:

https://www.hybrid-analysis.com/sample/52c431c39253d87fea7e9465ec9ad2ddebd67ec928b25486cddb0dfdace82ad7

Verdict:

Malicious

File Type:

unix shell

First seen:

2025-11-04T02:24:00Z UTC

Last seen:

2025-11-05T09:27:00Z UTC

Hits:

~100

Detections:

Trojan.PowerShell.AmsiBypass.sb PDM:Trojan.Win32.Generic HEUR:Trojan.BAT.Tesre.gen Trojan.Win32.Shellcode.sb Trojan.BAT.Agent.sb HEUR:Trojan.PowerShell.Tesre.sb Backdoor.Win32.Remcos.e

Link:

https://opentip.kaspersky.com/52c431c39253d87fea7e9465ec9ad2ddebd67ec928b25486cddb0dfdace82ad7/results?tab=lookup

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/52c431c39253d87fea7e9465ec9ad2ddebd67ec928b25486cddb0dfdace82ad7

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/52c431c39253d87fea7e9465ec9ad2ddebd67ec928b25486cddb0dfdace82ad7/

Verdict:

Malicious

Threat:

Trojan.Win32.Remcos

Link:

https://tip.neiki.dev/file/52c431c39253d87fea7e9465ec9ad2ddebd67ec928b25486cddb0dfdace82ad7

Threat name:

Script-BAT.Backdoor.Remcos

Status:

Malicious

First seen:

2025-11-04 08:14:44 UTC

File Type:

Text

AV detection:

5 of 23 (21.74%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=klcddq4skpmh72t6srs6zgws3xv5m7wjfczfjbwn3mg73lhifllq._file

Result

Malware family:

n/a

Score:

6/10

Tags:

discovery execution

Link:

https://tria.ge/reports/251104-q4gjfstlgl/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Command and Scripting Interpreter: PowerShell

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/52c431c39253d87fea7e9465ec9ad2ddebd67ec928b25486cddb0dfdace82ad7

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

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:	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM Create hunting rule
Author:	ditekSHen
Description:	Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

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

Rule name:	REMCOS_RAT_variants Create hunting rule

Rule name:	Remcos_unpacked_PulseIntel Create hunting rule
Author:	PulseIntel
Description:	Remcos Payload

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)

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/35291/

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