MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2752fec85f58ead6f9966a15c1227148c81fcbdcc393b76699fd2c9a4fc25874. 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: 17

Intelligence 17 IOCs YARA 33 File information Comments

SHA256 hash:	2752fec85f58ead6f9966a15c1227148c81fcbdcc393b76699fd2c9a4fc25874
SHA3-384 hash:	a579ea5319681c5afcdc4d41d7de0c1df3991bff37f1a39424e2a01aa4b406e4aea4749df124d73d5110a6cf0611427e
SHA1 hash:	bbdcd9f7d82957d2c72dc07127f9243a2839c5c3
MD5 hash:	c2c9ea0b08e7678a5bcb0add5facd1d6
humanhash:	leopard-skylark-failed-kitten
File name:	FedEx_885577233448.bat
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	801'292 bytes
First seen:	2025-11-03 11:47:04 UTC
Last seen:	Never
File type:	bat
MIME type:	text/plain
ssdeep	12288:31b20ChvuskD4IGJTqEhS/vC3sMqsyZC1jccemu9CkS31QsHrWomfUou0:t204mskD4IIGx/v+sMCw1A9k12MK
Threatray	1'263 similar samples on MalwareBazaar
TLSH	T1F605696B8957B88E32DD68AC02F3A94630CE8F66DC78451CB4C527EF1D57DA08A1B34D
Magika	batch
Reporter	abuse_ch
Tags:	bat FedEx RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

FedEx_885577233448.bat

Verdict:

Malicious activity

Analysis date:

2025-11-03 11:49:42 UTC

Tags:

remcos rat remote stealer susp-powershell api-base64 tool mpress

Link:

https://app.any.run/tasks/a70440f5-1fa2-4ed6-a0c0-a244370335c2

Note:

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

Detection:

Remcos

Link:

https://www.capesandbox.com/analysis/35122/

Detection(s):

SecuriteInfo.com.BAT.Obfus-8.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=690896509942f1282ecba743

Tags:

n/a

Result

Verdict:

Malware

Maliciousness:

Behaviour

Running batch commands

Launching cmd.exe command interpreter

Creating a file

Launching a process

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

Reading critical registry keys

Creating a file in the %temp% directory

Launching a service

Changing a file

Forced shutdown of a system process

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

base64 evasive masquerade obfuscated powershell

Link:

https://www.filescan.io/uploads/69089662de25fddba062bc71/reports/6ed9602a-ccd7-49e6-9eea-a51c7538c3ca/overview

Verdict:

Suspicious

Labled as:

BAT/Agent5.BEY

Link:

https://www.hybrid-analysis.com/sample/2752fec85f58ead6f9966a15c1227148c81fcbdcc393b76699fd2c9a4fc25874

Verdict:

Malicious

File Type:

unix shell

First seen:

2025-11-02T21:55:00Z UTC

Last seen:

2025-11-05T08:36:00Z UTC

Hits:

~100

Detections:

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

Link:

https://opentip.kaspersky.com/2752fec85f58ead6f9966a15c1227148c81fcbdcc393b76699fd2c9a4fc25874/results?tab=lookup

Result

Threat name:

Remcos, DonutLoader

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1806872

Signature

.NET source code contains a sample name check

.NET source code references suspicious native API functions

Bypasses PowerShell execution policy

C2 URLs / IPs found in malware configuration

Detected Remcos RAT

Found malware configuration

Found suspicious powershell code related to unpacking or dynamic code loading

Installs a global keyboard hook

Joe Sandbox ML detected suspicious sample

Loading BitLocker PowerShell Module

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

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: Remcos

Sigma detected: Suspicious PowerShell Parameter Substring

Sigma detected: Suspicious Script Execution From Temp Folder

Suricata IDS alerts for network traffic

Suspicious powershell command line found

Tries to harvest and steal browser information (history, passwords, etc)

Yara detected DonutLoader

Yara detected Powershell decode and execute

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Yara detected WebBrowserPassView password recovery tool

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/2752fec85f58ead6f9966a15c1227148c81fcbdcc393b76699fd2c9a4fc25874

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/2752fec85f58ead6f9966a15c1227148c81fcbdcc393b76699fd2c9a4fc25874/

Verdict:

Malicious

Threat:

Backdoor.Win32.Remcos

Link:

https://tip.neiki.dev/file/2752fec85f58ead6f9966a15c1227148c81fcbdcc393b76699fd2c9a4fc25874

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=e5jp5sc7ldvnn6mwnik4citrjdeb7s64yoj3ozuz7uwjut6clb2a._file

Verdict:

malicious

Label(s):

admintool_iepassview

donutloader

remcos

admintool_mailpassview

Result

Malware family:

donutloader

Score:

10/10

Tags:

family:donutloader collection discovery execution loader

Link:

https://tria.ge/reports/251103-nx7e7azphj/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Command and Scripting Interpreter: PowerShell

Badlisted process makes network request

Detected Nirsoft tools

NirSoft MailPassView

NirSoft WebBrowserPassView

Detects DonutLoader

DonutLoader

Donutloader family

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/2752fec85f58ead6f9966a15c1227148c81fcbdcc393b76699fd2c9a4fc25874

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

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:	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_EXE_Packed_MPress Create hunting rule
Author:	ditekSHen
Description:	Detects executables built or packed with MPress PE compressor

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

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:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	nirsoft_v1 Create hunting rule
Author:	RandomMalware

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_RAT_variants Create hunting rule

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

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

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_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:	TeslaCryptPackedMalware Create hunting rule

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/35122/

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