MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ed39975fb97ec9dc4e4e39d96e1af7d500f5a7923b6a4cdcd446aa731e9c834. 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: 14


Intelligence 14 IOCs YARA 25 File information Comments

SHA256 hash: 8ed39975fb97ec9dc4e4e39d96e1af7d500f5a7923b6a4cdcd446aa731e9c834
SHA3-384 hash: 702f0fd6420644d3a3f5f0bf83b27f1426f10c4561f3fe1bc6905ecdc0952e5edd1986b9267ffa3641526cfe81465795
SHA1 hash: 94aafb69b7070322510f91257884926fa792169e
MD5 hash: 96a60b4c5516299900849f23ecbc4a25
humanhash: paris-xray-magnesium-hydrogen
File name:rPT65675757588674846487375_1755778353.bat
Download: download sample
Signature RemcosRAT
File size:835'817 bytes
First seen:2025-08-21 15:30:10 UTC
Last seen:2025-10-15 12:32:30 UTC
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 12288:uKU5mpIOJy0gRw1JvdZX8ZbvaawwFqMSwgM4nyNe3uTFyBvaf1L7RXN1cdepm5JR:4bScNmuTDt1QdAYb
Threatray 1'333 similar samples on MalwareBazaar
TLSH T15405E03DEBA5FEC8036B70D06C9E370A224D0BD3B8B49BBCF5E514991855644BB7A18C
Magika txt
Reporter FXOLabs
Tags:averolucasbk-duckdns-org bat RemcosRAT wormoni-lms-austria-com

Intelligence


File Origin
# of uploads :
3
# of downloads :
59
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
PT65675757588674846487375_1755778353.bat
Verdict:
Malicious activity
Analysis date:
2025-08-21 14:47:31 UTC
Tags:
remcos rat remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
autorun shell spawn sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 evasive obfuscated powershell
Threat name:
Script-BAT.Backdoor.Remcos
Status:
Suspicious
First seen:
2025-08-21 15:31:02 UTC
File Type:
Text
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
hawkeye
Score:
  10/10
Tags:
family:hawkeye defense_evasion discovery execution keylogger spyware stealer trojan
Behaviour
Checks SCSI registry key(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in System32 directory
Command and Scripting Interpreter: PowerShell
Drops startup file
Blocklisted process makes network request
Modifies trusted root certificate store through registry
HawkEye
Hawkeye family
UAC bypass
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:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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: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:pe_no_import_table
Description:Detect pe file that no import table
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:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
Rule name:SUSP_PS1_JAB_Pattern_Jun22_1
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable
Reference:Internal Research
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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

Batch (bat) bat 8ed39975fb97ec9dc4e4e39d96e1af7d500f5a7923b6a4cdcd446aa731e9c834

(this sample)

  
Delivery method
Distributed via e-mail attachment

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