MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c559eb37c00fb47e505e162749b8ae9d7f8e235da0454d43b8b0841ac492639. 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: 17


Intelligence 17 IOCs YARA 26 File information Comments

SHA256 hash: 8c559eb37c00fb47e505e162749b8ae9d7f8e235da0454d43b8b0841ac492639
SHA3-384 hash: b7436a46e251f6d1c7aeeeea8f718b80f4a9541cfa7a0546b14d9da974bf6fd467108f29d6934055a1fdccc8fd77b329
SHA1 hash: 579e25108b0f01f1a28bf2364a09b3fc3654fd96
MD5 hash: 63322dbef406a19c6a15092aab18e260
humanhash: don-violet-oranges-alaska
File name:x.exe
Download: download sample
Signature RemcosRAT
File size:1'695'232 bytes
First seen:2025-10-13 13:46:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1592b57a4a7b48e16d50f0c0457d8659 (5 x RemcosRAT, 2 x DBatLoader, 2 x a310Logger)
ssdeep 24576:jyZjz/z+PGdYprdp+eQ2W+1IffoNOQJoGoMD31NiwIGKmczeyrJ6uvL:j6agpV2W93yOQJoVMDBIwcCy8u
TLSH T1F375E022A2D6453ED11B15794C1BDBDE282DBE242B14A44D7AEEBE0C7F396C23497073
TrID 64.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
16.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.9% (.EXE) Win32 Executable (generic) (4504/4/1)
3.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
3.1% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
106
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
x.exe
Verdict:
Malicious activity
Analysis date:
2025-10-13 13:46:39 UTC
Tags:
delphi rat remcos remote auto-sch

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
delphi emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Connection attempt to an infection source
Moving of the original file
Query of malicious DNS domain
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug borland_delphi fingerprint keylogger overlay overlay packed zero
Verdict:
Malicious
Labled as:
TrojanDownloader.ModiLoader_AGen
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-12T18:57:00Z UTC
Last seen:
2025-10-15T11:58:00Z UTC
Hits:
~100
Detections:
Exploit.Win32.BypassUAC.sb Backdoor.Win32.Remcos.f Backdoor.Win32.Remcos.e VHO:Backdoor.Win32.Convagent.gen PDM:Trojan.Win32.Generic Backdoor.Win32.Remcos.sb Backdoor.Remcos.HTTP.C&C Trojan.Win32.Shellcode.sb HEUR:Trojan.Win32.DelfInject.gen
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
malicious
Label(s):
dbatloader
Similar samples:
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:asyncrat family:modiloader botnet:gracelogs discovery execution persistence rat trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Executes dropped EXE
Async RAT payload
ModiLoader Second Stage
AsyncRat
Asyncrat family
ModiLoader, DBatLoader
Modiloader family
Malware Config
C2 Extraction:
147.124.215.99:4990
Unpacked files
SH256 hash:
8c559eb37c00fb47e505e162749b8ae9d7f8e235da0454d43b8b0841ac492639
MD5 hash:
63322dbef406a19c6a15092aab18e260
SHA1 hash:
579e25108b0f01f1a28bf2364a09b3fc3654fd96
Malware family:
DonutLoader
Verdict:
Malicious
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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
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: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_RAT_variants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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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