MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58725cfc90b74f5d6154b2bbb40b7c17bbe8c2ac9c4c0fa0debd6711fa0a86b1. 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: 7


Intelligence 7 IOCs YARA 29 File information Comments
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SHA256 hash: 58725cfc90b74f5d6154b2bbb40b7c17bbe8c2ac9c4c0fa0debd6711fa0a86b1
SHA3-384 hash: 9cbd30a5a104e3d4fe2c8ff2502e4fdc50e5789935d22b5a938addf8db6f253d6847eabb06ce5e8dc6bd1fd0d4587be1
SHA1 hash: e3a1591b04ecc17b2d933fd66919839ecc554e44
MD5 hash: 8de8f2a52a4dcb689611971f5f1bc62c
humanhash: salami-uranus-fanta-spring
File name:Purchase Order4500564358_pdf.z
Download: download sample
Signature RemcosRAT
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File size:890'238 bytes
First seen:2025-08-25 10:21:01 UTC
Last seen:Never
File type: z
MIME type:application/x-rar
ssdeep 24576:0BDXP69pi3AyEFgLxpHmVkpFsjmN2jrf+NkKl9BDJHJ:0BrKp2/EFgNpHmVIFAmN2jrG+KHBDJp
TLSH T1D4152378E27FA98A5E47E0D910BAF0687B10544A38E5166084E4DFE0F69F601FF2D5EC
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: "MuhammadOmar@gmail.com" (likely spoofed)
Received: "from wqk6-qhym.accessdomain.com (sea-to-sea.com [72.10.39.90]) "
Date: "Thu, 21 Aug 2025 09:32:55 +0000"
Subject: "Purchase Order 4500564358"
Attachment: "Purchase Order
4500564358_pdf.z"

Intelligence

File Origin
# of uploads :
1
# of downloads :
51
Origin country :
CH CH
File Archive Information

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

File name:Purchase Order 4500564358_pdf.exe
File size:969'224 bytes
SHA256 hash: 4fd694eea69457f8141a22cdb979e68a321ddf53e74ea6f392360b86b12e9944
MD5 hash: f95b50ef1e6340b5d18320e09bcc858e
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27382.Rar5Heur.UNOFFICIAL
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Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ac39383e988eb6ab82a378
Tags:
underscore infosteal
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bitmap expired-cert invalid-signature masquerade obfuscated obfuscated packed packed remcos signed stego vbnet
Link:
https://www.filescan.io/uploads/68ac393d28a89d9dd4f3697e/reports/f329b95c-9993-4b96-855c-402ebcac9efb/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/58725cfc90b74f5d6154b2bbb40b7c17bbe8c2ac9c4c0fa0debd6711fa0a86b1
Verdict:
Malicious
File Type:
rar
First seen:
2025-08-21T07:09:00Z UTC
Last seen:
2025-08-21T07:09:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/58725cfc90b74f5d6154b2bbb40b7c17bbe8c2ac9c4c0fa0debd6711fa0a86b1/results?tab=lookup
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/58725cfc90b74f5d6154b2bbb40b7c17bbe8c2ac9c4c0fa0debd6711fa0a86b1/
Threat name:
Win32.Backdoor.Remcos
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Status:
Malicious
First seen:
2025-08-21 12:57:23 UTC
File Type:
Binary (Archive)
Extracted files:
8
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lbzfz7eqw5hv2ykuwk53ic34c656rqvmtrga7ig6xvtrd6qkq2yq._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/58725cfc90b74f5d6154b2bbb40b7c17bbe8c2ac9c4c0fa0debd6711fa0a86b1

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:attack_India
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Rule name:CP_AllMal_Detector
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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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
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Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
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Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
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Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HUNTING_SUSP_TLS_SECTION
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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
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
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Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:NET
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Author:malware-lu
Rule name:pe_detect_tls_callbacks
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Rule name:PE_Digital_Certificate
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Author:albertzsigovits
Rule name:pe_imphash
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Rule name:RANSOMWARE
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Author:ToroGuitar
Rule name:Remcos
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Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_
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Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
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Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
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Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
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Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
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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 58725cfc90b74f5d6154b2bbb40b7c17bbe8c2ac9c4c0fa0debd6711fa0a86b1

(this sample)

RemcosRAT

Executable exe 4fd694eea69457f8141a22cdb979e68a321ddf53e74ea6f392360b86b12e9944

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 4fd694eea69457f8141a22cdb979e68a321ddf53e74ea6f392360b86b12e9944
  
Dropping
RemcosRAT
  
Dropping
MD5 f95b50ef1e6340b5d18320e09bcc858e

Comments