MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 524d6d1a0d9c699ff75e57e4afb9595409020b60281f9afe16e4ca58d2983e19. 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: 8


Intelligence 8 IOCs YARA 25 File information Comments

SHA256 hash: 524d6d1a0d9c699ff75e57e4afb9595409020b60281f9afe16e4ca58d2983e19
SHA3-384 hash: 6244a86e05ad54ede9c0f44af492f1995ababd18af65ce8a9cf84879e5d1931ba7f0bae8eaaf59c4340ac02e29f3cadd
SHA1 hash: b6a68a57306c56aee1b041b9a5e0b269d84178e7
MD5 hash: a0b75899965e5d1c2d0243007928a1c1
humanhash: avocado-alabama-diet-august
File name:PO_NOV2025_xls.z
Download: download sample
Signature RemcosRAT
File size:855'698 bytes
First seen:2025-11-10 11:25:10 UTC
Last seen:Never
File type: z
MIME type:application/x-rar
ssdeep 12288:z8LBYCt5V6QbqCiYdvybDl25EQSQovzpoiqxQe/EiDBq0OBNLHkFn9DP:HYBb8YdvgZDQJ3BKCDP
TLSH T1570533F5B13D9B4CB118591D8339F83924EEB862F5BEC13CC52D1BB67C606869D884B8
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:RemcosRAT z


Avatar
cocaman
Malicious email (T1566.001)
From: "wanchalerm@berlinpharm.com" (likely spoofed)
Received: "from berlinpharm.com (unknown [192.3.198.20]) "
Date: "07 Nov 2025 06:39:18 -0800"
Subject: "PROFORMA REQUEST _ LATEST PRICE LIST (NOV 2025)"
Attachment: "PO_NOV2025_xls.z"

Intelligence


File Origin
# of uploads :
1
# of downloads :
60
Origin country :
CH CH
File Archive Information

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

File name:PO_NOV2025_xls.exe
File size:1'363'456 bytes
SHA256 hash: 589f6b1eb61891dd86a846a75949fbd43ed0d81bb323f4aa1048d0c2f9ff1079
MD5 hash: 2ccc756b4b16a188021e78978d8634a8
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
underscore autoit emotet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint installer-heuristic keylogger masquerade microsoft_visual_cc packed
Verdict:
Malicious
File Type:
rar
First seen:
2025-11-07T15:13:00Z UTC
Last seen:
2025-11-12T05:32:00Z UTC
Hits:
~100
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-11-07 14:35:00 UTC
File Type:
Binary (Archive)
Extracted files:
29
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
Rule name:Sus_CMD_Powershell_Usage
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_rat_generic
Author:Reedus0
Description:Rule for detecting generic RAT malware
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:YahLover
Author:Kevin Falcoz
Description:YahLover
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

z 524d6d1a0d9c699ff75e57e4afb9595409020b60281f9afe16e4ca58d2983e19

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
RemcosRAT

Comments