MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b6927d6b575bd623c491c322699b97f2197784f9adca95a842681f37a410a1a. 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: 12


Intelligence 12 IOCs YARA 28 File information Comments

SHA256 hash: 3b6927d6b575bd623c491c322699b97f2197784f9adca95a842681f37a410a1a
SHA3-384 hash: 5e0b39ac156b95ba067e7749dfaf9715f35b6b58d92d415cd52b8c1b7f3497bf95ea77fdeb2efdb6173e4e5a537d12f7
SHA1 hash: b1cfc359405187c3132eb5476107496ae1c1323f
MD5 hash: d518ec6f1e7bad835677937fd84716f7
humanhash: romeo-carpet-don-xray
File name:PAYMENT DETAILS.zip
Download: download sample
Signature RemcosRAT
File size:894'966 bytes
First seen:2025-09-25 08:34:54 UTC
Last seen:2025-09-25 08:36:28 UTC
File type: zip
MIME type:application/zip
ssdeep 12288:WcV5uoweSGSJ0gmioBuxUF9m0efb7nzd7H0fn16GOegWuzJbBHx5Hxk:WsoRmi+MUrfEzy6eIHx5S
TLSH T1901533ED68C1C0B833B231C7916E42E61D5413F2F66E3A4D394677109A73DA3A7609AF
Magika zip
Reporter cocaman
Tags:payment RemcosRAT zip


Avatar
cocaman
Malicious email (T1566.001)
From: ""finance" <asano@mms.co.jp>" (likely spoofed)
Received: "from mx1.dreamhost.com (unknown [196.251.92.69]) "
Date: "24 Sep 2025 13:26:38 +0200"
Subject: "Re: RETURN PAYMENT TT"
Attachment: "PAYMENT DETAILS.zip"

Intelligence


File Origin
# of uploads :
2
# of downloads :
76
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:PAYMENT DETAILS.exe
File size:961'536 bytes
SHA256 hash: 0874e7b9ba2653207308bad8a2efca4a30690413a4eaeace15a6b4d601a5bb94
MD5 hash: cc38769ded7b2c6959c3199c84f8db91
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
infosteal shell spawn sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap config-extracted evasive lolbin masquerade msbuild obfuscated packed packed packed rat rat reconnaissance regsvcs remcos remcos rezer0 roboski schtasks stego vbc windows
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.
Verdict:
Malicious
File Type:
zip
First seen:
2025-09-24T05:49:00Z UTC
Last seen:
2025-09-24T05:49:00Z UTC
Hits:
~10
Detections:
VHO:Trojan-PSW.Win32.Convagent.gen PDM:Trojan.Win32.Generic Backdoor.Remcos.HTTP.C&C Exploit.Win32.BypassUAC.sb HEUR:Trojan-Spy.MSIL.Noon.gen Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Taskun.sb Backdoor.Win32.Remcos.sb Backdoor.Win32.Remcos.f
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.45 Zip Archive
Threat name:
ByteCode-MSIL.Trojan.Spynoon
Status:
Malicious
First seen:
2025-09-24 10:56:02 UTC
File Type:
Binary (Archive)
Extracted files:
9
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution persistence rat
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
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
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
127.0.0.1:29444
196.251.92.69:29444
nnamoograce.duckdns.org:29444
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HUNTING_SUSP_TLS_SECTION
Author:chaosphere
Description:Detect PE files with .tls section that can be used for anti-debugging
Reference:Practical Malware Analysis - Chapter 16
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:win32_dotnet_form_obfuscate
Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
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

zip 3b6927d6b575bd623c491c322699b97f2197784f9adca95a842681f37a410a1a

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
RemcosRAT

Comments