MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c9084133b3d9cf46b8f3b9447c38f4e0fe509c299f496ea9a755baaf4aac467. 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 22 File information Comments

SHA256 hash:	8c9084133b3d9cf46b8f3b9447c38f4e0fe509c299f496ea9a755baaf4aac467
SHA3-384 hash:	080aebfa824b8e39104d1561573aec068ee065acfe318c7e32f47b9d3712916a93eefe86aa46a02c398a357b6d8f3735
SHA1 hash:	c6b502c03cb4d0afdd20618c60a7a5e1cd4c3782
MD5 hash:	e39b1f18555d8ede296e50c49cdf2885
humanhash:	uncle-autumn-december-twenty
File name:	RFQ-402-1438-VENDOR LIST-July-2025.cmd.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'392'640 bytes
First seen:	2025-07-21 13:06:33 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	24576:WBXAP+3NKsqnwGrKBwio5zadY9RZJUiIV2yYmrQ27IK2S8glkGUzQqtN:WRqjWBwizpiIV2yq4JUrf
TLSH	T1DB552307FE8F81E1C2164B71C1DB11544394CBD2B7A3FA4ABB8F176B29123A6D548E4B
TrID	69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10522/11/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika	pebin
Reporter	James_inthe_box
Tags:	exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

RFQ-402-1438-VENDOR LIST-July-2025.cmd.exe

Verdict:

Malicious activity

Analysis date:

2025-07-21 13:09:14 UTC

Tags:

remcos rat auto-startup remote stealer evasion tool mpress darkcloud upx

Link:

https://app.any.run/tasks/6cfcc7dd-63ff-4b0c-946f-077eec99fe3c

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/16092/

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=687e3ba02f623871a5f1301c

Tags:

autorun remcos

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %AppData% directory

Launching a process

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Creating a file

Reading critical registry keys

Creating a file in the %temp% directory

Launching a service

Changing a file

Creating a process from a recently created file

Creating a file in the %AppData% subdirectories

Stealing user critical data

Unauthorized injection to a recently created process

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/8c9084133b3d9cf46b8f3b9447c38f4e0fe509c299f496ea9a755baaf4aac467

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/aaac003e-208d-49b4-94f4-5c124564be6e

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/8c9084133b3d9cf46b8f3b9447c38f4e0fe509c299f496ea9a755baaf4aac467

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable PE (Portable Executable) SOS: 0.56 Win 32 Exe x86

Link:

https://app.malva.re/file/e39b1f18555d8ede296e50c49cdf2885

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/8c9084133b3d9cf46b8f3b9447c38f4e0fe509c299f496ea9a755baaf4aac467/

Threat name:

ByteCode-MSIL.Trojan.LummaStealer

Status:

Malicious

First seen:

2025-07-21 01:00:54 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

18 of 22 (81.82%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=rsiiiez3hwopi24phokepq4pjyh6kcocth2jn2u2ovn2v5fkyrtq._file

Verdict:

malicious

Label(s):

remcos

Similar samples:

error

RemcosRAT

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost collection discovery rat

Link:

https://tria.ge/reports/250721-qcva8shl3s/

Behaviour

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Drops startup file

Executes dropped EXE

Detected Nirsoft tools

NirSoft MailPassView

NirSoft WebBrowserPassView

Remcos

Remcos family

Malware Config

C2 Extraction:

moneycomenow.sbs:2490
GRACEFOREXPANTION.SBS:2490
ccls-co.cam:2490
vetreosystems.cam:2490

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/3af09d69-afe1-47ba-9751-06f4ea4df7eb

Unpacked files

SH256 hash:

8c9084133b3d9cf46b8f3b9447c38f4e0fe509c299f496ea9a755baaf4aac467

MD5 hash:

e39b1f18555d8ede296e50c49cdf2885

SHA1 hash:

c6b502c03cb4d0afdd20618c60a7a5e1cd4c3782

Link:

https://www.unpac.me/results/7d95c6e9-e7a5-4da0-874a-1172a3cbac80/

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

Threat name:

Suspicious File

Score:

0.35

Link:

https://yomi.yoroi.company/submissions/8c9084133b3d9cf46b8f3b9447c38f4e0fe509c299f496ea9a755baaf4aac467

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:	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:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	pe_imphash Create hunting rule

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:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

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:	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.

Web download

RemcosRAT

exe 8c9084133b3d9cf46b8f3b9447c38f4e0fe509c299f496ea9a755baaf4aac467

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3571058/

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/16092/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

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