MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb48f55e9e2b1ef2d904b0f06547ce698bcb151b43dd032fc7257a7c0f940bd4. 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: 20

Intelligence 20 IOCs 1 YARA 24 File information Comments

SHA256 hash:	fb48f55e9e2b1ef2d904b0f06547ce698bcb151b43dd032fc7257a7c0f940bd4
SHA3-384 hash:	60037af07e2ae50154d805e77a0528cfdef77ea0c30297abcb1f81af80fe8e559568a5a941e7a821f94a6019252cbb56
SHA1 hash:	2cbd1f5b16cc5e17be51a801de7fed705a2336a5
MD5 hash:	0c7dd3b979c3fdeba56c6ae312345548
humanhash:	failed-blue-yankee-nuts
File name:	fb48f55e9e2b1ef2d904b0f06547ce698bcb151b43dd032fc7257a7c0f940bd4.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	537'088 bytes
First seen:	2026-09-24 14:09:46 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	117b0e98fcd98802425109064482959b (4 x RemcosRAT)
ssdeep	12288:TcF3UU0AViEhkwkhoo+/TUszmXxr1svZ90xt:X1AViE/kHszmXWZ6
TLSH	T1D5B4AE01BAF1C1B2D57664700939EB35CEBCBC211C359D2B63D61E9ABE301519B3AB72
TrID	22.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 22.7% (.EXE) Win64 Executable (generic) (6522/11/2) 17.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.7% (.EXE) Win32 Executable (generic) (4504/4/1) 7.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
dhash icon	c4d48eaa8ad4d4f8 (1'215 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter	whack_sh
Tags:	exe RemcosRAT

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
196.251.107.252:22063	https://threatfox.abuse.ch/ioc/1932208/

Intelligence

File Origin

# of uploads :

# of downloads :

220

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Remcos

Details

Link:

https://research.acce.ciphertechsolutions.com/results/0c000d0d-866a-489d-9f05-6ad76243fd67/

Malware family:

remcos

ID:

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-09-24 15:59:56 UTC

Tags:

rat remcos auto-reg

Link:

https://app.any.run/tasks/264ce779-7c6d-43c9-b960-07ea94cd2389

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/88812/

Detection(s):

YARA.MALPEDIA_Win_Remcos_Auto.UNOFFICIAL

YARA.EMBEERESEARCH_Win_Remcos_Rat_Unpacked.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file in the %AppData% subdirectories

Creating a process from a recently created file

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Connection attempt to an infection source

Sending a TCP request to an infection source

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug config-extracted crypto evasive exploit explorer fingerprint keylogger lolbin microsoft_visual_cc packed rat rat reconnaissance remcos remcos windows

Link:

https://www.filescan.io/uploads/6ab52f4ba9d0e88f0f75cd91/reports/a0fa66d8-c91f-4333-87c6-4d7498d93a2e/overview

Verdict:

Malicious

Labled as:

Remcos.Generic

Link:

https://www.hybrid-analysis.com/sample/fb48f55e9e2b1ef2d904b0f06547ce698bcb151b43dd032fc7257a7c0f940bd4

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-09-24T05:56:00Z UTC

Last seen:

2026-09-25T17:42:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/fb48f55e9e2b1ef2d904b0f06547ce698bcb151b43dd032fc7257a7c0f940bd4/results?tab=lookup

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/af1e35d1-5c74-4526-8159-d5df9502405a

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1977713

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to register a low level keyboard hook

Contains functionalty to change the wallpaper

Creates autostart registry keys with suspicious names

Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)

Found malware configuration

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

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/fb48f55e9e2b1ef2d904b0f06547ce698bcb151b43dd032fc7257a7c0f940bd4

Verdict:

inconclusive

YARA:

5 match(es)

Tags:

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

Link:

https://app.malva.re/file/0c7dd3b979c3fdeba56c6ae312345548

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/fb48f55e9e2b1ef2d904b0f06547ce698bcb151b43dd032fc7257a7c0f940bd4/

Threat name:

Win32.Backdoor.Remcos

Status:

Malicious

First seen:

2026-09-24 14:10:24 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

32 of 38 (84.21%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7nepkxu6fmppfwiewdygkr6ongf4wfi3ipoqgl6hev5hyd4ubpka._file

Verdict:

malicious

Label(s):

Remcos

Link:

https://reports.threatray.com/aaa711ff-3544-429d-8ea2-0b48c9755b01

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:22063 discovery persistence rat suricata

Link:

https://tria.ge/reports/260924-rgv9rseh73/

Behaviour

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Adds Run key to start application

Checks computer location settings

Executes dropped EXE

Family: Remcos

Suricata alert: REMCOS RAT Malware Inbound C2 Communication

Suricata alert: REMCOS RAT Malware Outbound C2 Communication

Malware Config

C2 Extraction:

196.251.107.252:22063

Unpacked files

SH256 hash:

fb48f55e9e2b1ef2d904b0f06547ce698bcb151b43dd032fc7257a7c0f940bd4

MD5 hash:

0c7dd3b979c3fdeba56c6ae312345548

SHA1 hash:

2cbd1f5b16cc5e17be51a801de7fed705a2336a5

Detections:

Remcos

win_remcos_auto

win_remcos_w0

Link:

https://www.unpac.me/results/0db10356-cee7-4aa3-a2a6-0a4ff606e0cc/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/fb48f55e9e2b/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/fb48f55e9e2b1ef2d904b0f06547ce698bcb151b43dd032fc7257a7c0f940bd4

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:	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:	SUSP_Script_PowerShell_Hidden_Launcher Create hunting rule
Author:	Marjoriefort
Description:	Script (JS/VBS) lancant PowerShell en mode furtif - dropper frais MalwareBazaar
Reference:	Veille fraicheur 2026-09-14 / cluster misses web

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:	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_Clipboard_Clipper_Thengavar Create hunting rule
Author:	Thengavar
Description:	Detects malware manipulating the Windows clipboard for clipping or crypto stealing attacks

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 fb48f55e9e2b1ef2d904b0f06547ce698bcb151b43dd032fc7257a7c0f940bd4

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/88812/

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