MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8849b34660e2f08205236ce99331ae9309ba088fc7b5125f443ee9e8f170145. 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: 19

Intelligence 19 IOCs YARA 36 File information Comments

SHA256 hash:	f8849b34660e2f08205236ce99331ae9309ba088fc7b5125f443ee9e8f170145
SHA3-384 hash:	e3c8134b236f79c14561d5b5ee73ab60bbd3b099464b92d02fc20a3c755c2f29652285766a9991a62e0b4d0da6858e53
SHA1 hash:	6bd21ea24c7ddadd1df1aec8cac2006e670ff491
MD5 hash:	60e7f6c06d79ef64e408c61c0efd3564
humanhash:	nineteen-stairway-kentucky-bulldog
File name:	f8849b34660e2f08205236ce99331ae9309ba088fc7b5125f443ee9e8f170145
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'383'424 bytes
First seen:	2025-09-05 13:15:53 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1895460fffad9475fda0c84755ecfee1 (309 x Formbook, 52 x AgentTesla, 36 x SnakeKeylogger)
ssdeep	24576:l5EmXFtKaL4/oFe5T9yyXYfP1ijXdaK1VD8GE2AUe/LV0DQHXLbj5UYMF:lPVt/LZeJbInQRaK1d8GzTELV0w3jKY
Threatray	585 similar samples on MalwareBazaar
TLSH	T1AF55CF0273D1D062FFAB91334F5AF6115ABC79260123A62F13981DBABD701B1563E7A3
TrID	40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	adrian__luca
Tags:	exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

f8849b34660e2f08205236ce99331ae9309ba088fc7b5125f443ee9e8f170145

Verdict:

No threats detected

Analysis date:

2025-09-04 12:46:38 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/b7407702-a36f-44b7-a8aa-61d98dec0569

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/25645/

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68bae2edeb163e0ec1848577

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Restart of the analyzed sample

Launching a process

Сreating synchronization primitives

Forced shutdown of a system process

Connection attempt to an infection source

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context autoit compiled-script evasive fingerprint keylogger lolbin microsoft_visual_cc obfuscated packed packed packer_detected threat wmic

Link:

https://www.filescan.io/uploads/68baf2ad20d0ee406d96c60b/reports/8c867d1e-f34d-4a9a-a6e3-87d6475e1eb2/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/f8849b34660e2f08205236ce99331ae9309ba088fc7b5125f443ee9e8f170145

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-08-25T10:12:00Z UTC

Last seen:

2025-08-25T10:12:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/f8849b34660e2f08205236ce99331ae9309ba088fc7b5125f443ee9e8f170145/results?tab=lookup

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/5f13ae57-bbb5-4a2a-b171-00755c50a8c9

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f8849b34660e2f08205236ce99331ae9309ba088fc7b5125f443ee9e8f170145

Verdict:

Malware

YARA:

7 match(es)

Tags:

AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86

Link:

https://app.malva.re/file/60e7f6c06d79ef64e408c61c0efd3564

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f8849b34660e2f08205236ce99331ae9309ba088fc7b5125f443ee9e8f170145/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-08-25 13:21:50 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

30 of 38 (78.95%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=7ccjwndgbyxqqicsg3hjsmy25eyjxiei7r5vcjpuipxj5dyxafcq._file

Verdict:

malicious

Label(s):

nirsoft

remcos

RemcosRAT

6ab1d1e535dc7219759cdc81438cf9373eb25b2b98ae5e4cee67b669d823542a

RemcosRAT

a44ec84f90dde06cf8a11e599ca19956f8b924dfefd77eea76f6ad23b63b3ff4

RemcosRAT

b9ddd7911daf8a8d71a31e87bdf7cc96ae29c53b28ba508f7a4b48e6fe081a96

RemcosRAT

bf5289069b7b3f5c74a18fa352ee8770d00cdce6ed7cbfd4934d5480307806a1

RemcosRAT

cc1b38c4aa79c03c777b0d99c9ae67fef380572e36f0744d110c18137ce9f3dd

RemcosRAT

faeefa5ef83be15a464a6994c3098bc2fdf84bad7ae75909816b8bd00ae7486c

RemcosRAT

fb51ffcffd134849ebc6114eacc45a0bd9f2430188fd33064217df5b4cd41508

RemcosRAT

+ 575 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost discovery rat

Link:

https://tria.ge/reports/250905-rnsgfsbn91/

Behaviour

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

Remcos

Remcos family

Malware Config

C2 Extraction:

216.9.224.88:15403
216.9.224.88:15402

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/d479d9ef-b1e9-4938-9df9-807fab1dccd8

Unpacked files

SH256 hash:

f8849b34660e2f08205236ce99331ae9309ba088fc7b5125f443ee9e8f170145

MD5 hash:

60e7f6c06d79ef64e408c61c0efd3564

SHA1 hash:

6bd21ea24c7ddadd1df1aec8cac2006e670ff491

Link:

https://www.unpac.me/results/a1f0229e-ac94-41d1-a1af-e993e9cb1d59/

SH256 hash:

179f77c36cfdd9763622be0dd270e860c368d40b839dd124f3fcc65c8a89d6de

MD5 hash:

b25473244feb513eb6c49b8e922d2f8a

SHA1 hash:

2111b544a0996f184a65c01667227d3f4e16f684

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/a1f0229e-ac94-41d1-a1af-e993e9cb1d59/

Parent samples :
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Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f8849b34660e/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/f8849b34660e2f08205236ce99331ae9309ba088fc7b5125f443ee9e8f170145

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

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_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_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:	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:	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:	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:	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/25645/

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