MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f38f3dfb9fd8272bf10ec883a8f2d552c1380f3b2330530dc4f94b5c060a6145. 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: 11

Intelligence 11 IOCs 1 YARA 25 File information Comments

SHA256 hash:	f38f3dfb9fd8272bf10ec883a8f2d552c1380f3b2330530dc4f94b5c060a6145
SHA3-384 hash:	2179595735f4d0cb3e9b05bc3ce0666f5c6ea6ed8af665e802744730ed90a584697b1c5b539a23cbb2ee60b2a4824c76
SHA1 hash:	9b756c141db8e3886cf9ccd7eb3fa754010b7546
MD5 hash:	a88aa83598eb6daeabac1157c6e286f3
humanhash:	washington-jersey-magnesium-alanine
File name:	stub.ps1
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	3'699'707 bytes
First seen:	2026-06-10 16:40:09 UTC
Last seen:	Never
File type:	ps1
MIME type:	text/plain
ssdeep	24576:uwFh98k1m8HOSrYg7qqFu4uGDNqcJHyPJ97vIC608RS6eUGvtThQ5b5HlN9pZBWV:4
TLSH	T15706BFCAD56E44D29C053FC9A8142BC78B2547328AB40028366FBD499F774FEC15EEE6
Magika	powershell
Reporter	abuse_ch
Tags:	ps1 RAT RemcosRAT

abuse_ch

RemcosRAT C2:
178.16.52.141:2404

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
178.16.52.141:2404	https://threatfox.abuse.ch/ioc/1829843/

Intelligence

File Origin

# of uploads :

# of downloads :

163

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.PowerShell.Packed.254.32512.104.UNOFFICIAL

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a28584234eaf30d8ce45b85

Tags:

vmdetect crypted spawn remo

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm aspnet_compiler base64 base64 encrypted evasive lolbin obfuscated reconnaissance

Link:

https://www.filescan.io/uploads/6a2993951f652d686575d7d2/reports/72f8c7c7-f77f-45f4-9fbb-2d3299f70bdb/overview

Verdict:

Malicious

Labled as:

PowerShell/Kryptik.MP trojan

Link:

https://www.hybrid-analysis.com/sample/f38f3dfb9fd8272bf10ec883a8f2d552c1380f3b2330530dc4f94b5c060a6145

Verdict:

Malicious

File Type:

unix shell

First seen:

2026-06-09T13:33:00Z UTC

Last seen:

2026-06-11T09:28:00Z UTC

Hits:

~100

Detections:

Trojan.Win32.InjectorNetT.s PDM:Trojan.Win32.Generic Backdoor.Remcos.TCP.C&C

Link:

https://opentip.kaspersky.com/f38f3dfb9fd8272bf10ec883a8f2d552c1380f3b2330530dc4f94b5c060a6145/results?tab=lookup

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1926048

Signature

.NET source code contains method to dynamically call methods (often used by packers)

AI detected malicious Powershell script

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to register a low level keyboard hook

Contains functionality to steal Internet Explorer form passwords

Contains functionalty to change the wallpaper

Detected Remcos RAT

Found malware configuration

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

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 Mail credentials (via file registry)

Unusual module load detection (module proxying)

Yara detected Powershell decode and execute

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

Verdict:

Benign

File Type:

SCRIPT

Link:

https://malprob.io/report/f38f3dfb9fd8272bf10ec883a8f2d552c1380f3b2330530dc4f94b5c060a6145

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f38f3dfb9fd8272bf10ec883a8f2d552c1380f3b2330530dc4f94b5c060a6145/

Verdict:

Malicious

Threat:

Family.REMCOS

Link:

https://tip.neiki.dev/file/f38f3dfb9fd8272bf10ec883a8f2d552c1380f3b2330530dc4f94b5c060a6145

Threat name:

Script-PowerShell.Trojan.Malgent

Status:

Malicious

First seen:

2026-06-09 16:43:05 UTC

File Type:

Text (PowerShell)

AV detection:

13 of 38 (34.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=6oht36473atsx4iozcb2r4wvklatqdz3emyfgdoe7ffvybqkmfcq._file

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost collection discovery execution rat suricata

Link:

https://tria.ge/reports/260610-t6vqmsdv3w/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

Command and Scripting Interpreter: PowerShell

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Family: Remcos

Suricata alert: REMCOS RAT Malware Inbound C2 Communication

Suricata alert: REMCOS RAT Malware Outbound C2 Communication

Malware Config

C2 Extraction:

www.highgradebastard.com:2404
www.highgradebastardbackup1.com:2404
www.highgradebastardbackup2.com:2404
www.highgradebastardbackup3.com:2404

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/f38f3dfb9fd8272bf10ec883a8f2d552c1380f3b2330530dc4f94b5c060a6145

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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. 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:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_detect_tls_callbacks Create hunting rule

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_All_Windows_PE_Malware Create hunting rule
Author:	DiegoAnalytics
Description:	Detects Windows PE malware of all types, avoids non-executables like .html

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:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	Windows_Trojan_Remcos_921ef449 Create hunting rule
Author:	Elastic Security

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.

No further information available

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