MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ae59572bf47373bc03f01a54d369c83c0b5f2ddadd02b6494054189edc3acf0. 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 YARA 22 File information Comments

SHA256 hash:	1ae59572bf47373bc03f01a54d369c83c0b5f2ddadd02b6494054189edc3acf0
SHA3-384 hash:	252d652052a2aff8929855dd238b9c6babcaadde4d101f1b2ebe24884786c91ef15947d7207a252931565bc8198dd9de
SHA1 hash:	be5b13eaccbbba3353745785b5f6706e65894162
MD5 hash:	8fbd7d60a50eb753e02691f6a12ab418
humanhash:	vermont-enemy-item-comet
File name:	1ae59572bf47373bc03f01a54d369c83c0b5f2ddadd02b6494054189edc3acf0
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	986'112 bytes
First seen:	2025-12-08 15:24:10 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	24576:ByiYywWu25KkH/L28tZs0AbpKeC3MiwcxT2eohVy:EiY1Wu25Kkj28o0Abp/Ak
Threatray	1'890 similar samples on MalwareBazaar
TLSH	T1E32512542189EE02C0BB1BF40674E5B013BCAF9DE916D30BAFD76CDBB96A3614944393
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	adrian__luca
Tags:	exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Remcos RoboSki

Details

Remcos

a version number and verbose configuration settings

RoboSki

a Base64 + XOR/Sub-decrypted component, its associated key, a mutex, a filename, and ReZer0 configuration parameters including: a load type, a download URL and filename (if configured), an interval (if configured), and varying flags

RoboSki

an extracted ReZer0 payload

Link:

https://research.acce.ciphertechsolutions.com/results/f124bdd2-66a3-4526-a30d-9f88fede2fba/

Malware family:

remcos

ID:

File name:

1ae59572bf47373bc03f01a54d369c83c0b5f2ddadd02b6494054189edc3acf0

Verdict:

Malicious activity

Analysis date:

2025-12-08 23:13:21 UTC

Tags:

rat remcos auto-sch-xml

Link:

https://app.any.run/tasks/9f5026d1-8e8a-4aee-b7a6-72903dccc973

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/43476/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6936ee55881313558a2b9211

Tags:

keylog virus msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

DNS request

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a process with a hidden window

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

Setting a keyboard event handler

Connection attempt to an infection source

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

krypt packed vbnet

Link:

https://www.filescan.io/uploads/6936eda3ff25e40750d7b260/reports/29a3b87f-8aba-417f-905c-26f89e31c91f/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/1ae59572bf47373bc03f01a54d369c83c0b5f2ddadd02b6494054189edc3acf0

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-11-20T05:33:00Z UTC

Last seen:

2025-12-10T11:23:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/1ae59572bf47373bc03f01a54d369c83c0b5f2ddadd02b6494054189edc3acf0/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/5eb879d8-c456-41ba-bda4-6171f0238f33

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/1ae59572bf47373bc03f01a54d369c83c0b5f2ddadd02b6494054189edc3acf0

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.24 Win 32 Exe x86

Link:

https://app.malva.re/file/8fbd7d60a50eb753e02691f6a12ab418

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/1ae59572bf47373bc03f01a54d369c83c0b5f2ddadd02b6494054189edc3acf0/

Threat name:

ByteCode-MSIL.Backdoor.NanoCore

Status:

Malicious

First seen:

2025-11-20 08:17:41 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 36 (63.89%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=dlszk4v7i43txqb7agsu2nu4qpall4w5vxicwzeuavayt3odvtya._file

Verdict:

malicious

Label(s):

remcos

unc_loader_037

unc_loader_078

RemcosRAT

7374b6aba965250d86fcf68583ccbfa80de235a7fa613d9ccecede6e1e4552eb

RemcosRAT

8ebd003e1a80ebe1ca3d678c0d308ea45c060c2eeda6771dffe4e3772a1cfd61

RemcosRAT

ab3b3296f0c1362788a03e256a24c7e6a38661c484cca9d281bf929521dd7c68

RemcosRAT

da667f87b118e222887a612d5f45bb74d329872e1042b21af36555fb75b7288c

RemcosRAT

+ 1'880 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/251208-stan9syqhj/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

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:

192.227.128.173:3028

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/cf15d621-eedb-4856-8e18-38aa1a92090b

Unpacked files

SH256 hash:

1ae59572bf47373bc03f01a54d369c83c0b5f2ddadd02b6494054189edc3acf0

MD5 hash:

8fbd7d60a50eb753e02691f6a12ab418

SHA1 hash:

be5b13eaccbbba3353745785b5f6706e65894162

Link:

https://www.unpac.me/results/2bcebaa4-b151-4203-9bfb-5fed26542655/

SH256 hash:

111e88b06ab4bda9dcea292177f2fbf656f056ee3bc315aea8861653872867a4

MD5 hash:

ca046727926a963297a6f802f7f59312

SHA1 hash:

49c2d05a1f1ea2530c2b54c1450b70ab1595175c

Link:

https://www.unpac.me/results/2bcebaa4-b151-4203-9bfb-5fed26542655/

SH256 hash:

80d5579ee5aaad3472ac6e8381852d04f30ed2bec9390ea1a646cf75a728380c

MD5 hash:

7bb7f252f0ea0c16486cc0bfd8f631eb

SHA1 hash:

c26af7b6f0f6c84a251b89d12e75c9e613e581bb

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/2bcebaa4-b151-4203-9bfb-5fed26542655/

Parent samples :

ca54ece8f6070eeaac4fae0635129df2ecb9664683cc5bdfc3998d7a351e651e
589f6b1eb61891dd86a846a75949fbd43ed0d81bb323f4aa1048d0c2f9ff1079
1f770afd971f3372ca89d3eb71f539e415c89323059d3ed475b11d29facc0122
7440ef0eba8981a16f223b10ccccd80671001258b5fd8e95e43161de32b1157d
084fd47a500e122be1ab53c87d6b679bbb34bd1de0d2df5ad8fc7fc75f006f26
7c4f86b495f183816d3b7b18d15301f7a4c782342ba235aeedadad61989b6751
1ae59572bf47373bc03f01a54d369c83c0b5f2ddadd02b6494054189edc3acf0

SH256 hash:

d8ebf7f8bf83ccc937917ea43f45d2c3e1e5c02e3cbdf02bb29d2482831d2aa5

MD5 hash:

10f9138d9a6d94c3f17d9412c457f51e

SHA1 hash:

d73548d894406be547f71daf1d0f4b3a96ee134b

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/2bcebaa4-b151-4203-9bfb-5fed26542655/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/1ae59572bf47/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/1ae59572bf47373bc03f01a54d369c83c0b5f2ddadd02b6494054189edc3acf0

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:	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_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_imphash 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:	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:	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/43476/

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