MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48679c2769779b50e91fb0cd54fa318aea58ef8dc9a2c382865897219294a9d5. 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 24 File information Comments

SHA256 hash: 48679c2769779b50e91fb0cd54fa318aea58ef8dc9a2c382865897219294a9d5
SHA3-384 hash: dd89dd3bf57637d0cdd3bcec77f0736456794b12979cf1df5c71264287e7357f42540f770afeef2fdd5865c45b465b93
SHA1 hash: 590e782884de8a1313b553f8069119f38deeb9ef
MD5 hash: e3dd2be1c64be01e9ae91b638e864e60
humanhash: failed-north-wyoming-batman
File name:PURCHASE ORDER-2025-110009_xls.z
Download: download sample
Signature RemcosRAT
File size:835'404 bytes
First seen:2025-11-10 11:56:33 UTC
Last seen:Never
File type: z
MIME type:application/x-rar
ssdeep 12288:fYMppM9aVBYCt5V6QbqCiYdvy7lfDBLkazu7HVyOSvALPQ2NCeX9iMW3wK/S88uo:QM4IEYBb8YdvGKp71VXLPQcBwr8nP
TLSH T1AE0533C6EBDF2930D2D0FCAA6D29AD1475E96E52F032C9BCBC49905D8CF04B996D9070
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: "10 Nov 2025 03:51:01 -0800"
Subject: "PURCHASE ORDER PO-2025-10024"
Attachment: "PURCHASE ORDER-2025-110009_xls.z"

Intelligence


File Origin
# of uploads :
1
# of downloads :
58
Origin country :
CH CH
File Archive Information

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

File name:PURCHASE ORDER-2025-110009_xls.exe
File size:1'342'976 bytes
SHA256 hash: 1f770afd971f3372ca89d3eb71f539e415c89323059d3ed475b11d29facc0122
MD5 hash: 1656f13840ab91602a2d63213fa35cc0
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
underscore autoit emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script control fingerprint fingerprint hacktool installer-heuristic keylogger lolbin masquerade microsoft_visual_cc packed
Verdict:
Malicious
File Type:
rar
First seen:
2025-11-09T22:31:00Z UTC
Last seen:
2025-11-12T07:45:00Z UTC
Hits:
~1000
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2025-11-10 02:44:35 UTC
File Type:
Binary (Archive)
Extracted files:
25
AV detection:
18 of 24 (75.00%)
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 48679c2769779b50e91fb0cd54fa318aea58ef8dc9a2c382865897219294a9d5

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
RemcosRAT

Comments