MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e57966b5fd6c676b5be0e7ff8d713053722fbc27723768ab7b5e96f1157ae91. 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: 22

Intelligence 22 IOCs 1 YARA 33 File information Comments

SHA256 hash:	6e57966b5fd6c676b5be0e7ff8d713053722fbc27723768ab7b5e96f1157ae91
SHA3-384 hash:	363802828640be1947305eb7bf40909877b2aec7a6fc3555ef7c11dd9064fcdffbf5bf9fd45566a7b0fdf35b5f17269d
SHA1 hash:	b9008ca949b78a24679e16818ce81dc40c72b230
MD5 hash:	6dd6d93f4fc6acf6eeea7a98e12bc405
humanhash:	yellow-fifteen-mars-yellow
File name:	QV71QtGdISBfJXV.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'146'368 bytes
First seen:	2025-12-02 07:30:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	24576:591rv9d5GdiNEtIlye94TM5W47TE6kDlsYC+UDXaD:5vVtmtIlyeBW4/c2YC3mD
Threatray	1'213 similar samples on MalwareBazaar
TLSH	T157358B66517CF40EC6F4EA3CE5909126029BAD8D1C1CB02D89A47F6E76B5F9C0A03F67
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
Reporter	abuse_ch
Tags:	exe RAT RemcosRAT

abuse_ch

RemcosRAT C2:
104.37.174.84:7890

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
104.37.174.84:7890	https://threatfox.abuse.ch/ioc/1665544/

Intelligence

File Origin

# of uploads :

# of downloads :

118

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

RoboSki

Details

Link:

https://research.acce.ciphertechsolutions.com/results/83b0a101-6d98-49b6-97cb-cacfecdc8412/

Malware family:

remcos

ID:

File name:

QV71QtGdISBfJXV.exe

Verdict:

Malicious activity

Analysis date:

2025-12-02 07:35:51 UTC

Tags:

rat remcos stealer mpress tool

Link:

https://app.any.run/tasks/a1ea7099-8643-4519-a5ee-cfbc797176d4

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/42105/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=692e959516e6db515e45d75a

Tags:

crypted keylog remo

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

packed vbnet

Link:

https://www.filescan.io/uploads/692e959323d7ce46ce42f793/reports/33e56ac1-b41c-4eea-a617-939344f0f22f/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/6e57966b5fd6c676b5be0e7ff8d713053722fbc27723768ab7b5e96f1157ae91

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-12-02T03:33:00Z UTC

Last seen:

2025-12-03T16:03:00Z UTC

Hits:

~100

Detections:

Trojan.MSIL.Crypt.sb Backdoor.Remcos.TCP.C&C Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Greedy.sb PDM:Trojan.Win32.Generic Backdoor.Win32.Remcos.e Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb Backdoor.Win32.Remcos.sb Backdoor.Win32.Remcos.f Trojan-Spy.Win32.Xegumumune.sbc Trojan-Dropper.Win32.Injector.sb HEUR:Backdoor.MSIL.Remcos.gen

Link:

https://opentip.kaspersky.com/6e57966b5fd6c676b5be0e7ff8d713053722fbc27723768ab7b5e96f1157ae91/results?tab=lookup

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/64ef04be-5a47-4de0-905e-8982153aa179

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.phis.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1824200

Signature

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to inject code into remote processes

Contains functionality to register a low level keyboard hook

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Contains functionalty to change the wallpaper

Delayed program exit found

Detected Remcos RAT

Found malware configuration

Icon mismatch, binary includes an icon from a different legit application in order to fool users

Injects a PE file into a foreign processes

Installs a global keyboard hook

Joe Sandbox ML detected suspicious sample

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: Remcos

Suricata IDS alerts for network traffic

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

Tries to steal Instant Messenger accounts or passwords

Tries to steal Mail credentials (via file / registry access)

Unusual module load detection (module proxying)

Yara detected AntiVM3

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/6e57966b5fd6c676b5be0e7ff8d713053722fbc27723768ab7b5e96f1157ae91

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.33 Win 32 Exe x86

Link:

https://app.malva.re/file/6dd6d93f4fc6acf6eeea7a98e12bc405

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/6e57966b5fd6c676b5be0e7ff8d713053722fbc27723768ab7b5e96f1157ae91/

Verdict:

Malicious

Threat:

Family.REMCOS

Link:

https://tip.neiki.dev/file/6e57966b5fd6c676b5be0e7ff8d713053722fbc27723768ab7b5e96f1157ae91

Threat name:

ByteCode-MSIL.Trojan.Taskun

Status:

Malicious

First seen:

2025-12-02 07:30:30 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 23 (82.61%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=nzlzm22723dhnnn6bz77rvytau3sf66co4rxncvxwxuw6ekxv2iq._file

Verdict:

malicious

Label(s):

remcos

admintool_mailpassview

nirsoft

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost collection discovery rat spyware stealer

Link:

https://tria.ge/reports/251202-jb265aypd1/

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

Reads user/profile data of web browsers

Detected Nirsoft tools

NirSoft MailPassView

Remcos

Remcos family

Malware Config

C2 Extraction:

104.37.174.84:7890

Verdict:

Malicious

Tags:

Remcos

YARA:

n/a

Link:

https://app.threat.zone/submission/4a12e35f-2723-4f01-b79b-3ee2c7774fa0

Unpacked files

SH256 hash:

6e57966b5fd6c676b5be0e7ff8d713053722fbc27723768ab7b5e96f1157ae91

MD5 hash:

6dd6d93f4fc6acf6eeea7a98e12bc405

SHA1 hash:

b9008ca949b78a24679e16818ce81dc40c72b230

Link:

https://www.unpac.me/results/401530a7-2316-46b9-8d77-986bab5a643c/

SH256 hash:

b0c00087745ede36e71ab4cf97570aa962fe37a5203883ecdf2191d311df8274

MD5 hash:

64dabb419d728badd1fac9e611894dfb

SHA1 hash:

b887add7be47ff024078c511f0bd8253da65b56b

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/401530a7-2316-46b9-8d77-986bab5a643c/

SH256 hash:

cd981a12c2dfe48ae5977b7c967a11b27696c5cb7778abd7450d44c5f1e2f006

MD5 hash:

222168f1bcc9bc8dab54c85a79c0a39c

SHA1 hash:

d2efa9ce477bf4ce731242f46f9300cd343e3366

Detections:

win_remcos_w0

win_remcos_auto

Remcos

malware_windows_remcos_rat

win_remcos_rat_unpacked

INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Link:

https://www.unpac.me/results/401530a7-2316-46b9-8d77-986bab5a643c/

SH256 hash:

508564b31a4de281924b4c2d323ab56cdafae9b06dc91150685cfacf27710f1c

MD5 hash:

2f116b21206edbaceda5edec02775548

SHA1 hash:

f1daba265a02a3bb923f5d2af365e11c85ebb11f

Link:

https://www.unpac.me/results/401530a7-2316-46b9-8d77-986bab5a643c/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6e57966b5fd6/report/overview.html

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

Threat name:

Remcos

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/6e57966b5fd6c676b5be0e7ff8d713053722fbc27723768ab7b5e96f1157ae91

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

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/42105/

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