MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3c8af25f03d15ed3df047f6aecedd3c29c756a2f04d29648874a8f9ef966477. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: d3c8af25f03d15ed3df047f6aecedd3c29c756a2f04d29648874a8f9ef966477
SHA3-384 hash: 1ebb23015d835dc7261af260074f41ae856b61a84fdb2c57cb764ad7d4b1762c010a9baed1c045fd6015bdcef6b7b262
SHA1 hash: 99745dd85aafae7b5d4e763806f36bea6f9c5317
MD5 hash: 41946617aa20577b958b11089821fb16
humanhash: one-yellow-vegan-sink
File name:REM.exe
Download: download sample
Signature RemcosRAT
File size:1'730'560 bytes
First seen:2025-11-02 19:34:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9ff918a4c35fab116ce908921b500295 (1 x RemcosRAT)
ssdeep 49152:PnMNMPXMgmxAWXMojEdx1q9X51tTE0AA:PnoMvMTAWcnxa580A
Threatray 4'099 similar samples on MalwareBazaar
TLSH T1E985CF62BE414D32F12E3530D80A67A4652ABED06934F84676FC3E488FFB6937915D83
TrID 65.0% (.EXE) InstallShield setup (43053/19/16)
15.8% (.EXE) Win64 Executable (generic) (10522/11/4)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
3.1% (.EXE) Win16/32 Executable Delphi generic (2072/23)
3.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter smica83
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
116
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
United Alliance-QDB80300028.chm
Verdict:
Malicious activity
Analysis date:
2025-11-02 19:30:04 UTC
Tags:
rat remcos auto-sch remote delphi

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
Creating a file
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
Setting a keyboard event handler
DNS request
Connection attempt
Sending an HTTP GET request
Moving of the original file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Connection attempt to an infection source
Sending a TCP request to an infection source
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win32_TrojanDownloader_ModiLoader_AIS
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-01T10:33:00Z UTC
Last seen:
2025-11-02T18:32:00Z UTC
Hits:
~10
Detections:
Backdoor.Win32.Remcos.f Backdoor.Win32.Remcos.e Backdoor.Win32.Agent.sb Trojan-Dropper.Win32.Injector Trojan-Spy.Win32.Xegumumune.sbc HEUR:Backdoor.Win32.Remcos.gen Exploit.Win32.BypassUAC.sb Backdoor.Win32.Remcos.sb
Result
Threat name:
Remcos, DBatLoader
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Allocates many large memory junks
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the user root directory
Found malware configuration
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Execution from Suspicious Folder
Sigma detected: Remcos
Sigma detected: Suspicious Program Location with Network Connections
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1806623 Sample: REM.exe Startdate: 02/11/2025 Architecture: WINDOWS Score: 100 35 Suricata IDS alerts for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 8 other signatures 2->41 7 REM.exe 3 2->7         started        11 rundll32.exe 3 2->11         started        process3 file4 29 C:\Users\Public\daptalrdV.exe, PE32 7->29 dropped 43 Drops PE files to the user root directory 7->43 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 Writes to foreign memory regions 7->47 49 4 other signatures 7->49 13 daptalrdV.exe 2 4 7->13         started        18 schtasks.exe 1 7->18         started        20 Vdrlatpad.exe 11->20         started        signatures5 process6 dnsIp7 33 212.162.149.200, 443, 49685, 49686 UNREAL-SERVERSUS Netherlands 13->33 31 C:\ProgramData\remcos\logs.dat, data 13->31 dropped 53 Detected unpacking (changes PE section rights) 13->53 55 Detected Remcos RAT 13->55 57 Detected unpacking (overwrites its own PE header) 13->57 67 6 other signatures 13->67 22 conhost.exe 13->22         started        24 conhost.exe 18->24         started        59 Writes to foreign memory regions 20->59 61 Allocates memory in foreign processes 20->61 63 Sample uses process hollowing technique 20->63 65 Allocates many large memory junks 20->65 26 daptalrdV.exe 20->26         started        file8 signatures9 process10 signatures11 51 Detected Remcos RAT 26->51
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2025-11-01 15:23:10 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost discovery execution persistence rat trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
Remcos
Remcos family
Malware Config
C2 Extraction:
212.162.149.200:443
Unpacked files
SH256 hash:
d3c8af25f03d15ed3df047f6aecedd3c29c756a2f04d29648874a8f9ef966477
MD5 hash:
41946617aa20577b958b11089821fb16
SHA1 hash:
99745dd85aafae7b5d4e763806f36bea6f9c5317
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:pe_detect_tls_callbacks
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments