MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 544dbb549588379170f7137c6e6f854cc8fa91980c196787c938802a736b1ded. 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 26 File information Comments

SHA256 hash: 544dbb549588379170f7137c6e6f854cc8fa91980c196787c938802a736b1ded
SHA3-384 hash: e7421804df3e8b2b7439e63c037c8dcb3627cb0fa6dc2fbad0397213effee4d9edd576b4a1d1b201afa6ba05848c624b
SHA1 hash: c0784f29ac30cc98c176862ad25afadad7517937
MD5 hash: fda14ebbdd02cadec0fadcb114951d9e
humanhash: fourteen-cardinal-solar-princess
File name:ITA Las_VegasBoulevard.bat
Download: download sample
Signature RemcosRAT
File size:795'350 bytes
First seen:2025-07-29 07:54:51 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 12288:v17ON94ADwYMTo1dUS9Mrfkd3EKKzjUbemJnnox62DpBcoduVOn2SMaPDV5yeT26:bo1Lofk7imBoxzdBcodIkPD6eTXA9a
Threatray 4'115 similar samples on MalwareBazaar
TLSH T19E05E03DC6E1FDD943BA70E1526E3B0D028CBF93A9B4AA6CB5E20D911A1C540DF3A15D
Magika vba
Reporter JAMESWT_WT
Tags:bat bigbelly042-duckdns-org RemcosRAT Spam-ITA

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
24_07_2025_Dönemi_MEVDUAT Ekstre Bilgiler.js
Verdict:
Malicious activity
Analysis date:
2025-07-24 13:53:48 UTC
Tags:
remcos rat remote stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
virus shell sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 batch evasive obfuscated powershell
Threat name:
Script-BAT.Backdoor.Remcos
Status:
Malicious
First seen:
2025-07-24 14:26:00 UTC
File Type:
Text
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
donutloader
Score:
  10/10
Tags:
family:donutloader discovery execution loader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Command and Scripting Interpreter: PowerShell
Blocklisted process makes network request
Detects DonutLoader
DonutLoader
Donutloader family
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: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: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:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
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: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_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.

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