MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02a3bd948e6463c2dc29482b77286aa13e7c76043a16fffd0b0ce05e53c1c68e. 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 32 File information Comments

SHA256 hash:	02a3bd948e6463c2dc29482b77286aa13e7c76043a16fffd0b0ce05e53c1c68e
SHA3-384 hash:	7f4d0b3e7dd560c7df570b8b42a3306e443923408abd406e3dcf6b377637e98659b233d99bd24b72de220f75dc1955e0
SHA1 hash:	a670f96c6d2f2e6bd73857e535ca28f2ec61895a
MD5 hash:	5b7f39430485273b71d96c1bde70b9d6
humanhash:	seventeen-alanine-california-india
File name:	rOrd_7893.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	588'288 bytes
First seen:	2025-02-26 17:00:10 UTC
Last seen:	2025-03-10 12:17:15 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:i6Z9CIkWmUaJaazA7VW1nl+mggggjgggggDV25u8qN:iOjmxaZ7s+mggggjgggggDP8
Threatray	448 similar samples on MalwareBazaar
TLSH	T11CC448CD07F8C9CCB59D07A4F661B0B2ADE0E2326C17F94B4EA32297940BB5191719E7
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
dhash icon	eccccc9cc4d8e8f4 (2 x SnakeKeylogger, 1 x GuLoader, 1 x BazaLoader)
Reporter	FXOLabs
Tags:	exe RemcosRAT

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
176.65.144.84:1921	https://threatfox.abuse.ch/ioc/1436714/

Intelligence

File Origin

# of uploads :

# of downloads :

453

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

rOrd_7893.exe

Verdict:

Malicious activity

Analysis date:

2025-02-26 17:04:36 UTC

Tags:

rat remcos stealer mpress

Link:

https://app.any.run/tasks/9c68c8f4-ca66-4ad6-a0ce-9aa79b72f489

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Win32.AdwareX-gen.614.28900.UNOFFICIAL

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67bf4900a0fd713c335d006a

Tags:

malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Сreating synchronization primitives

Setting a keyboard event handler

Creating a window

Connection attempt

Sending a custom TCP request

DNS request

Sending an HTTP GET request

Creating a file in the %temp% subdirectories

Reading critical registry keys

Stealing user critical data

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/67bf48a55c6793f0f8c9bca7/reports/b89ec609-ce01-496a-89f2-4b0a8089b6e1/overview

Verdict:

Malicious

Labled as:

IL:Trojan.MSILZilla

Link:

https://www.hybrid-analysis.com/sample/02a3bd948e6463c2dc29482b77286aa13e7c76043a16fffd0b0ce05e53c1c68e

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.

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/a87e5cff-4cb5-448a-90be-9f240d7c3d1f

Result

Threat name:

Remcos

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1624990

Signature

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Found malware configuration

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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/02a3bd948e6463c2dc29482b77286aa13e7c76043a16fffd0b0ce05e53c1c68e

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/02a3bd948e6463c2dc29482b77286aa13e7c76043a16fffd0b0ce05e53c1c68e/

Threat name:

ByteCode-MSIL.Backdoor.Remcos

Status:

Malicious

First seen:

2025-02-26 01:29:15 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=akr33feomrr4fxbjjavxokdkue7hy5qehilp77ilbtqf4u6by2ha._file

Verdict:

malicious

Label(s):

remcos

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost collection credential_access discovery rat spyware stealer

Link:

https://tria.ge/reports/250226-vjmbeswxaw/

Behaviour

Enumerates system info in registry

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Reads user/profile data of web browsers

Uses browser remote debugging

Detected Nirsoft tools

NirSoft MailPassView

NirSoft WebBrowserPassView

Remcos

Remcos family

Malware Config

C2 Extraction:

176.65.144.84:1921

Verdict:

Malicious

Tags:

remcos

YARA:

n/a

Link:

https://app.threat.zone/submission/8ed2b011-6ddb-4eaa-ae47-3877272b371a

Unpacked files

SH256 hash:

02a3bd948e6463c2dc29482b77286aa13e7c76043a16fffd0b0ce05e53c1c68e

MD5 hash:

5b7f39430485273b71d96c1bde70b9d6

SHA1 hash:

a670f96c6d2f2e6bd73857e535ca28f2ec61895a

Link:

https://www.unpac.me/results/a765be07-0207-47b7-bdbd-ace0be5c4116/

SH256 hash:

ecb129cce94db8594bc69eda1ead471db15bdd784afc9a2e8adc56ef3bb71888

MD5 hash:

27c52e96a5804196921c61a1c22172ea

SHA1 hash:

45c12029ad318a8240e75305e89b61a06532c8af

Detections:

SUSP_NET_Large_Static_Array_In_Small_File_Jan24

Link:

https://www.unpac.me/results/a765be07-0207-47b7-bdbd-ace0be5c4116/

Parent samples :

4ca6c67a91a4186d98691455cf74d78d5ea807a35671d0fe7f267d26d28a887e
d31208b71987d8cdbb8affc975333950516b6aa23951020fbd536fa27e1d1f0b
ea182b46e91f32537a6220caf8c6afab856db2a1f54ff078d2505fce84886317
5b72ed928f8a9e98082f9d22d1966a0bfea8222c51041311a6ab5b1339c8f95c
33fb8a8a9eb16eaa7ad46df7291839624ee7827e7eae4427857392850a49f914
5a4e470b3209d805f2c4f0707795907a5e5d2964d1ec35b9b42eb8e6d5dc9f82
02a3bd948e6463c2dc29482b77286aa13e7c76043a16fffd0b0ce05e53c1c68e
e7e58774286c3f86656f253e5b53bb32c02ba2cb5eff739bb40e4d8853bbc4de
ae82af7dac57877f2da402544bd5af774710be29e388637d8a6dcb8e2c198de5
e75ad8565d853b8a08df2e9b75f0df4fc8fe9b14a0fc3d796aeb3c8b6751436c
fa990d3b037070b8dd038651325ffb8ddd8fa709a74fb174cf423131939457db
4949207a1e4bf8bf1235e0b3edcdaaaafbc51edcf7dcf2cc81fdb1cae40c29d6
ab22c9a93a1dff9b41a681a2579773e797146ecefd0dda4c574f258004dbf8a6
2050666c34009e372410eec0c7ceebe8021e6752c28b2087d1723cbac83a5bc3
a545367132b0ec9df0538a1eea261d64a5c2c986b3d9ff09e2e11e0b3d21faba

SH256 hash:

b9e5f69ee0d9a30e40f719205ddd494b4f56aa77d2262f2c6047a66dc1350f27

MD5 hash:

fd4ecd5aca049416cf0c67a8688ef838

SHA1 hash:

467dea97ec2001f186d79f2a02b8a4d60fcbc306

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/a765be07-0207-47b7-bdbd-ace0be5c4116/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/02a3bd948e64/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/02a3bd948e6463c2dc29482b77286aa13e7c76043a16fffd0b0ce05e53c1c68e

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

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.

Malspam

RemcosRAT

exe 02a3bd948e6463c2dc29482b77286aa13e7c76043a16fffd0b0ce05e53c1c68e

(this sample)

Delivery method

Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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