MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e04a1c4ff7dd49011493e23d5b9016c335ca927ec8abd3cc4b80ab0ff5948eb. 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: 15

Intelligence 15 IOCs YARA 20 File information Comments

SHA256 hash:	3e04a1c4ff7dd49011493e23d5b9016c335ca927ec8abd3cc4b80ab0ff5948eb
SHA3-384 hash:	5d15c1445c48089fdc5cd3e164219732cf6d1fc4866909720010be86cf8e1e3cd6e09034b86fe79a5a709c93052e6fd8
SHA1 hash:	47351ed011324ebfa71d3102cd230d0749dd9a44
MD5 hash:	396ea3a485c3eb417da2907f1df2b805
humanhash:	network-fillet-apart-seventeen
File name:	3e04a1c4ff7dd49011493e23d5b9016c335ca927ec8abd3cc4b80ab0ff5948eb.bat
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	884'299 bytes
First seen:	2025-12-16 13:20:23 UTC
Last seen:	Never
File type:	bat
MIME type:	text/plain
ssdeep	12288:meAbvjVS9xMXn6IIL+Vq6isG26wVZCcZjgaK8B88QsDi+1KZEPSGXvjKK/Q85xNO:mIT6PV6wfPRg8e83l1iEPBjKq1nG5R
Threatray	301 similar samples on MalwareBazaar
TLSH	T15915AD2A8D1D07CE26796A485A7E3E4D337095848C378F7A8370935B995C61E7E33CAC
Magika	batch
Reporter	JAMESWT_WT
Tags:	bat RemcosRAT sufficientblessings132-duckdns-org

Intelligence

File Origin

# of uploads :

# of downloads :

126

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

remcos

ID:

File name:

3e04a1c4ff7dd49011493e23d5b9016c335ca927ec8abd3cc4b80ab0ff5948eb.bat

Verdict:

Malicious activity

Analysis date:

2025-12-16 13:39:34 UTC

Tags:

rat remcos susp-powershell api-base64

Link:

https://app.any.run/tasks/6e401c21-d5a8-4379-a950-4d1b9ab690ff

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/45221/

Detection(s):

SecuriteInfo.com.BAT.Obfus-10.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69415ca04d2b81828c3b4af9

Tags:

obfuscate xtreme shell

Result

Verdict:

Malware

Maliciousness:

Behaviour

Running batch commands

Launching cmd.exe command interpreter

Creating a file

Launching a process

Сreating synchronization primitives

Query of malicious DNS domain

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

base64 batch evasive obfuscated powershell

Link:

https://www.filescan.io/uploads/69415ccee126b9ff43829b7c/reports/47d7826e-78b2-48b4-b091-2a70e52e20e9/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/3e04a1c4ff7dd49011493e23d5b9016c335ca927ec8abd3cc4b80ab0ff5948eb

Verdict:

Clean

File Type:

text

First seen:

2025-11-05T23:47:00Z UTC

Last seen:

2025-12-09T23:13:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/3e04a1c4ff7dd49011493e23d5b9016c335ca927ec8abd3cc4b80ab0ff5948eb/results?tab=lookup

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/3e04a1c4ff7dd49011493e23d5b9016c335ca927ec8abd3cc4b80ab0ff5948eb

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/3e04a1c4ff7dd49011493e23d5b9016c335ca927ec8abd3cc4b80ab0ff5948eb/

Verdict:

Clean

Link:

https://tip.neiki.dev/file/3e04a1c4ff7dd49011493e23d5b9016c335ca927ec8abd3cc4b80ab0ff5948eb

Threat name:

Script-BAT.Backdoor.Remcos

Status:

Malicious

First seen:

2025-11-06 06:10:21 UTC

File Type:

Text

AV detection:

14 of 24 (58.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=hyckdrh7pxkjaekjhyr5loibnqzvzkjh5sfl2pgexaflb72zjdvq._file

Verdict:

malicious

Label(s):

donutloader

remcos

RemcosRAT

37f29dc9c4be3882314edf6c663e77ef711a719ed7b5d4256ed2423cfbc0ca61

RemcosRAT

3c4850bad9e48453996875f76725ab4caf188613ec4621fef7fbca2fd19c2147

RemcosRAT

51a334a2bd11435c683d7441f94ea98f718a4a75e9af65d72f036a3e3ee1150d

RemcosRAT

6fe0d90ee6b5cdf3e1f8847dba78459deecc3b975a990240e2b9d52a561d695e

RemcosRAT

8c460c335f07c534e5e5632d1730c2add83be67d6d31e882002c4aeb4bca2c7c

RemcosRAT

ba155a5175493aa4e350cc470165e37632573b06c353db839f02c9eecc06a8a9

RemcosRAT

d1cfc53e81fdcf625be8284ee7ed47fa1256de5222d2b1d4064524e90724df4e

RemcosRAT

+ 291 additional samples on MalwareBazaar

Result

Malware family:

donutloader

Score:

10/10

Tags:

family:donutloader discovery execution loader

Link:

https://tria.ge/reports/251216-qls5jazlf1/

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

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/3e04a1c4ff7dd49011493e23d5b9016c335ca927ec8abd3cc4b80ab0ff5948eb

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/45221/

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