MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4426926529e5a8542f58cf5593881c4bd3fdc2f89200832a74db095fabf6d91f. 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 38 File information Comments

SHA256 hash:	4426926529e5a8542f58cf5593881c4bd3fdc2f89200832a74db095fabf6d91f
SHA3-384 hash:	c6b69852701f0290a7f18bc82607be0ab323f4c1fe4b34713a86c8e785a7d00544c5097274f5be271dd94f45f135ad34
SHA1 hash:	bd7e70347c27f4ec6df0bb970f732e786823cebc
MD5 hash:	dea547a25f835ca99dee29f7956af4c5
humanhash:	orange-october-dakota-illinois
File name:	edu.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	993'288 bytes
First seen:	2025-11-19 14:22:57 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep	24576:V/VlBcIX+zUtfi2dbaT4uEXrWjFigFh+b1QLOZN:V/VXTmUtfia9uE6sohm1QLOZN
Threatray	79 similar samples on MalwareBazaar
TLSH	T1B625120412E5DE02D4B31FB128A0E2B16BB6AD899D36C31BDFE95DEF79A97040941393
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	James_inthe_box
Tags:	exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

132

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

Signed_PO#2025.vbs

Verdict:

Malicious activity

Analysis date:

2025-11-19 14:02:07 UTC

Tags:

rat remcos remote stealer auto-sch-xml mpress

Link:

https://app.any.run/tasks/7011d980-fb3d-4179-b9b4-d9fc1ef060ad

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/38667/

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=691dd2da40055a3d310db362

Tags:

injection shell sage

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

DNS request

Сreating synchronization primitives

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

Connection attempt

Sending a custom TCP request

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

expired-cert invalid-signature packed signed

Link:

https://www.filescan.io/uploads/691dd2d8bb583c299ad43d5d/reports/2b7c990b-e2f1-4b26-b914-8f4fa09643b1/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/4426926529e5a8542f58cf5593881c4bd3fdc2f89200832a74db095fabf6d91f

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-11-19T11:25:00Z UTC

Last seen:

2025-11-20T16:48:00Z UTC

Hits:

~100

Detections:

HEUR:Backdoor.MSIL.Remcos.gen Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Taskun.sb VHO:Trojan-PSW.Win32.Stealer.gen PDM:Trojan.Win32.Generic Trojan.MSIL.Taskun.sb HEUR:Trojan.MSIL.Injector.gen

Link:

https://opentip.kaspersky.com/4426926529e5a8542f58cf5593881c4bd3fdc2f89200832a74db095fabf6d91f/results?tab=lookup

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/9cdd177b-8811-44fb-a3d1-40ca640ba662

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4426926529e5a8542f58cf5593881c4bd3fdc2f89200832a74db095fabf6d91f

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.20 Win 32 Exe x86

Link:

https://app.malva.re/file/dea547a25f835ca99dee29f7956af4c5

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/4426926529e5a8542f58cf5593881c4bd3fdc2f89200832a74db095fabf6d91f/

Verdict:

Malicious

Threat:

Family.REMCOS

Link:

https://tip.neiki.dev/file/4426926529e5a8542f58cf5593881c4bd3fdc2f89200832a74db095fabf6d91f

Threat name:

Win32.Trojan.SnakeKeylogger

Status:

Malicious

First seen:

2025-11-19 14:22:46 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 36 (52.78%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=iqtjezjj4wufil2yz5kzhca4jpj73qxysiaigktu3mev7k7w3epq._file

Verdict:

malicious

Label(s):

remcos

unc_loader_037

unc_loader_078

admintool_mailpassview

RemcosRAT

14169003371dd4d79df4466ce39fd8e3db65c603ca78cdabdb6ca3099a406535

RemcosRAT

18b2c9711740a6bc733cd4b1000c563905eacc7c698e946f31c69cf90a0ab0bf

RemcosRAT

737262c8a965c09d0b6744aef7951b0edd0ef8edd9b1c2a1ca97d04b586feb1c

RemcosRAT

ca54ece8f6070eeaac4fae0635129df2ecb9664683cc5bdfc3998d7a351e651e

RemcosRAT

cae151fa658bb748d0df462d04cf0aa1b6f06c25de363fa0c6080369c0c2aa97

RemcosRAT

d1cfc53e81fdcf625be8284ee7ed47fa1256de5222d2b1d4064524e90724df4e

RemcosRAT

d25ce51a5c23df06ac177ac26091a18fda74a57bcf60391b2fdafbdfb589edb9

RemcosRAT

error

RemcosRAT

+ 69 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:ip add @ thales3033 discovery execution persistence rat

Link:

https://tria.ge/reports/251119-rp93wsa18c/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

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

Executes dropped EXE

Command and Scripting Interpreter: PowerShell

Remcos

Remcos family

Malware Config

C2 Extraction:

77.110.98.159:3033
thales3033.com:3033

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/abd760a4-1b49-45ed-8668-da8a0caa5e96

Unpacked files

SH256 hash:

4426926529e5a8542f58cf5593881c4bd3fdc2f89200832a74db095fabf6d91f

MD5 hash:

dea547a25f835ca99dee29f7956af4c5

SHA1 hash:

bd7e70347c27f4ec6df0bb970f732e786823cebc

Link:

https://www.unpac.me/results/1cb408a6-f281-4a86-a282-cf417ca6c9f3/

SH256 hash:

111e88b06ab4bda9dcea292177f2fbf656f056ee3bc315aea8861653872867a4

MD5 hash:

ca046727926a963297a6f802f7f59312

SHA1 hash:

49c2d05a1f1ea2530c2b54c1450b70ab1595175c

Link:

https://www.unpac.me/results/1cb408a6-f281-4a86-a282-cf417ca6c9f3/

SH256 hash:

73dee137201978dc991e29303bd218c58c2a53f3d5d704facb498fa6e3ff80fa

MD5 hash:

56cc70a448304d22ce52354a5aea0456

SHA1 hash:

56b309dc3daa12bf1595571dd1729421599461cd

Detections:

Remcos

malware_windows_remcos_rat

win_remcos_rat_unpacked

INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Link:

https://www.unpac.me/results/1cb408a6-f281-4a86-a282-cf417ca6c9f3/

Parent samples :

8ebd003e1a80ebe1ca3d678c0d308ea45c060c2eeda6771dffe4e3772a1cfd61
4426926529e5a8542f58cf5593881c4bd3fdc2f89200832a74db095fabf6d91f

SH256 hash:

06fa3914f712e5cf989a3326cecaa973b2d50c91c58d0630ab39555787740e7d

MD5 hash:

728993df01666e0bdcd8803830b3a8b6

SHA1 hash:

9e9810e6a3eceac0ee0583dfef32ef6fcac5e8b7

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/1cb408a6-f281-4a86-a282-cf417ca6c9f3/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4426926529e5/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/4426926529e5a8542f58cf5593881c4bd3fdc2f89200832a74db095fabf6d91f

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:	Check_OutputDebugStringA_iat Create hunting rule

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:	DebuggerCheck__QueryInfo 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:	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:	INDICATOR_EXE_Packed_MPress Create hunting rule
Author:	ditekSHen
Description:	Detects executables built or packed with MPress PE compressor

Rule name:	INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438 Create hunting rule
Author:	ditekSHen
Description:	Detects executables signed with stolen, revoked or invalid certificates

Rule name:	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing SQL queries to confidential data stores. Observed in infostealers

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:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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

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:	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:	WIN_WebSocket_Base64_C2_20250726 Create hunting rule
Author:	dogsafetyforeverone
Description:	Detects configuration strings used by malware to specify WebSocket command-and-control endpoints inside Base64-encoded data. It looks for prefixes such as '#ws://' or '#wss://' that were found in QuasarRAT configuration data.

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/38667/

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