MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4558b85000c0cb3a7038087f80c606cfd08e724d06532fb95301d8dd564bec91. 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: 21

Intelligence 21 IOCs YARA 22 File information Comments

SHA256 hash:	4558b85000c0cb3a7038087f80c606cfd08e724d06532fb95301d8dd564bec91
SHA3-384 hash:	41894273fb597f1f32f032af7448e7159908acc9d4b48adf7a0b2e9d837fb822d1ed720b33f78da68c80623fc95806a7
SHA1 hash:	3eb34907fc6720bbe1296f52061e9927f1df9926
MD5 hash:	425a7cfc9a395ad7c3c84258dfb069f4
humanhash:	shade-pizza-ohio-earth
File name:	QUOTATION FOR PRODUCTS.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'015'296 bytes
First seen:	2025-09-24 06:59:27 UTC
Last seen:	2025-09-24 12:44:38 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:bMrXNiEG/sfInIs562cwoaYxeWcxDrAkQjkxk8x8MP2E23k2THbqrs18ss9F4:mkEZfIIs0PyYetxvUoxkSPoErNss9
Threatray	4'109 similar samples on MalwareBazaar
TLSH	T16A25121133B9EA06C1B74BF10970D37057396E987511D30A8EE6ACDF3D36F42294A6AB
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	Anonymous
Tags:	exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

100

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

QUOTATION FOR PRODUCTS.exe

Verdict:

Malicious activity

Analysis date:

2025-09-24 07:02:58 UTC

Tags:

rat remcos remote auto-sch-xml

Link:

https://app.any.run/tasks/39cc5a96-d5c9-4afe-aa7c-7d1def934671

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/28735/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68d53d72cc9425144151cc47

Tags:

remcos krypt spawn msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a process with a hidden window

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a file in the %temp% directory

Launching a process

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Сreating synchronization primitives

Connection attempt

DNS request

Sending an HTTP GET request

Connection attempt to an infection source

Sending a TCP request to an infection source

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

base64 bitmap config-extracted evasive lolbin msbuild obfuscated packed packed packed rat rat reconnaissance regsvcs remcos remcos rezer0 roboski schtasks stego vbc windows

Link:

https://www.filescan.io/uploads/68d39726b4f22678f7637f02/reports/5b447e64-d826-4585-a116-69cd9a8f59eb/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/4558b85000c0cb3a7038087f80c606cfd08e724d06532fb95301d8dd564bec91

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-09-23T21:34:00Z UTC

Last seen:

2025-09-23T21:34:00Z UTC

Hits:

~1000

Detections:

Backdoor.Win32.Remcos.f Trojan.MSIL.Taskun.sb HEUR:Trojan.MSIL.Taskun.sb Exploit.Win32.BypassUAC.sb Backdoor.Win32.Remcos.sb VHO:Backdoor.Win32.Remcos.gen PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.Taskun.gen Backdoor.Remcos.HTTP.C&C Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb

Link:

https://opentip.kaspersky.com/4558b85000c0cb3a7038087f80c606cfd08e724d06532fb95301d8dd564bec91/results?tab=lookup

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/ef9f566e-1318-4aa1-bc6d-29c0eca8dd1c

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4558b85000c0cb3a7038087f80c606cfd08e724d06532fb95301d8dd564bec91

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.16 Win 32 Exe x86

Link:

https://app.malva.re/file/425a7cfc9a395ad7c3c84258dfb069f4

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/4558b85000c0cb3a7038087f80c606cfd08e724d06532fb95301d8dd564bec91/

Verdict:

Malicious

Threat:

Family.REMCOS

Link:

https://tip.neiki.dev/file/4558b85000c0cb3a7038087f80c606cfd08e724d06532fb95301d8dd564bec91

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2025-09-24 01:48:08 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 38 (68.42%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ivmlquaaydftu4bybb7ybrqgz7ii44snazjs7oktahmn2vsl5siq._file

Verdict:

malicious

Label(s):

unc_loader_037

remcos

RemcosRAT

32d85ec69dd09f4808d33a117271e59e33b74febf82353d258e91745bb9980be

RemcosRAT

7914b50d3cb4dfdbb2cc92b4b833d2e87416c39fb81f8979297a989f9b9c4bed

RemcosRAT

a375f14f98fb9a4242cc2528e0cc369542a197f8ed545a9c6cb445370b00ff29

RemcosRAT

error

RemcosRAT

f4080676cb63d2c4297e0a38fdddd176f57bb472a93eb9e32a642e3eb55bb0f8

RemcosRAT

+ 4'099 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost discovery execution persistence rat

Link:

https://tria.ge/reports/250924-hs54nsdk7w/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Command and Scripting Interpreter: PowerShell

Remcos

Remcos family

Malware Config

C2 Extraction:

127.0.0.1:29444
196.251.92.69:29444
nnamoograce.duckdns.org:29444

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/032df1be-5b66-4ee8-88b1-71c3ac3859e1

Unpacked files

SH256 hash:

4558b85000c0cb3a7038087f80c606cfd08e724d06532fb95301d8dd564bec91

MD5 hash:

425a7cfc9a395ad7c3c84258dfb069f4

SHA1 hash:

3eb34907fc6720bbe1296f52061e9927f1df9926

Link:

https://www.unpac.me/results/ae969473-0837-4bcf-9e87-cc3a2f7f6f89/

SH256 hash:

cdb8ac92c7a341ee1ead563bf7b48a244d580acfb30704043b6d4b24ea5ccf09

MD5 hash:

07ca79c30cd50df8c68d115eebd52475

SHA1 hash:

a70c058086cd6156059b9947aee5bcd3f75f3336

Link:

https://www.unpac.me/results/ae969473-0837-4bcf-9e87-cc3a2f7f6f89/

SH256 hash:

0459a690e11decca427992947c81a4d05353056eb59e4784bcf9ce828b1cc906

MD5 hash:

757bbadd4969958e6d32faed750acb84

SHA1 hash:

af9eb359f4de261eb44f58be6ef56d88d4de8180

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/ae969473-0837-4bcf-9e87-cc3a2f7f6f89/

SH256 hash:

bee1b0b11f41f84b72e519992a1addc5a680e1356100ff4bbb4b830f130024a5

MD5 hash:

7407137b7ce04f516af1390b2c8a09ec

SHA1 hash:

b82bd3aaa6b21d37ad2509f45d3df014af161cc7

Detections:

win_remcos_w0

win_remcos_auto

Remcos

malware_windows_remcos_rat

win_remcos_rat_unpacked

INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer

Link:

https://www.unpac.me/results/ae969473-0837-4bcf-9e87-cc3a2f7f6f89/

Parent samples :

eaf004bc6b3be63cb19e34ad0375a1fdad0268aef279469bc135179d19372dbe
d5a570481841b1d87e060de662e0d98cd76f77ecea5e4717085a40b0327c083d
4558b85000c0cb3a7038087f80c606cfd08e724d06532fb95301d8dd564bec91
0874e7b9ba2653207308bad8a2efca4a30690413a4eaeace15a6b4d601a5bb94
1519c35519813943ccd719d66d625a356627b5cfd9e5b21314dafc5c0d6d29c8
270930518df8bcd3b5b642ab17052b292de14ace9e4f7479bb4a988d002af834
4edeb50b9b757b95e352d4f67827c2e9b32dad7574eaa2438d38822e0cdff459

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4558b85000c0/report/overview.html

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/4558b85000c0cb3a7038087f80c606cfd08e724d06532fb95301d8dd564bec91

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:	CP_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

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_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:	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/28735/

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