MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fd471d3b5a60eb2827287c5b805a12d8e4147c5c2ce85585b3e2748a10e6226. 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 6 File information Comments

SHA256 hash: 6fd471d3b5a60eb2827287c5b805a12d8e4147c5c2ce85585b3e2748a10e6226
SHA3-384 hash: fa9436782b0ace5b9a98afa57ee8a35e3742008577e552a00a565b6b0316a1e2d73b0d06e9d31530d47a57bb7217eca9
SHA1 hash: bf9309f3efb5da2901adc70b25b6292c18a09891
MD5 hash: ba0eeaf51f1f84a3d7b046608401c602
humanhash: queen-march-nineteen-triple
File name:SOA JULY (SHENZHEN OCEANSTAR).exe
Download: download sample
Signature RemcosRAT
File size:977'416 bytes
First seen:2025-08-05 13:00:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:tp3hDfdUMHqIvApuI9h2L6a6xT+fLa1auKJ4KgrocNinY:T3hjuMHFvAl9a6aMILaauXRr1InY
Threatray 1'251 similar samples on MalwareBazaar
TLSH T18E25236102A8C942CA39ABB10632D33627776FCAEB26D21A9FE5DC973841BF15D50347
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
60
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
_6fd471d3b5a60eb2827287c5b805a12d8e4147c5c2ce85585b3e2748a10e6226.exe
Verdict:
Malicious activity
Analysis date:
2025-08-05 13:02:53 UTC
Tags:
auto-reg remcos rat auto-sch-xml

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
injection spawn lien sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Creating a file
Creating a process from a recently created file
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Creates autostart registry keys with suspicious names
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1750513 Sample: SOA JULY (SHENZHEN OCEANSTAR).exe Startdate: 05/08/2025 Architecture: WINDOWS Score: 100 100 geoplugin.net 2->100 108 Suricata IDS alerts for network traffic 2->108 110 Found malware configuration 2->110 112 Malicious sample detected (through community Yara rule) 2->112 114 18 other signatures 2->114 10 SOA JULY (SHENZHEN OCEANSTAR).exe 7 2->10         started        14 YZfIcFCCWr.exe 5 2->14         started        16 remcos.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 dnsIp5 86 C:\Users\user\AppData\...\YZfIcFCCWr.exe, PE32 10->86 dropped 88 C:\Users\...\YZfIcFCCWr.exe:Zone.Identifier, ASCII 10->88 dropped 90 C:\Users\user\AppData\Local\...\tmpDD66.tmp, XML 10->90 dropped 92 C:\...\SOA JULY (SHENZHEN OCEANSTAR).exe.log, ASCII 10->92 dropped 138 Adds a directory exclusion to Windows Defender 10->138 140 Injects a PE file into a foreign processes 10->140 21 SOA JULY (SHENZHEN OCEANSTAR).exe 2 4 10->21         started        25 powershell.exe 23 10->25         started        27 schtasks.exe 1 10->27         started        142 Multi AV Scanner detection for dropped file 14->142 29 YZfIcFCCWr.exe 14->29         started        31 schtasks.exe 14->31         started        33 remcos.exe 16->33         started        37 3 other processes 16->37 102 127.0.0.1 unknown unknown 18->102 35 remcos.exe 18->35         started        39 3 other processes 18->39 file6 signatures7 process8 file9 82 C:\ProgramData\Remcos\remcos.exe, PE32 21->82 dropped 84 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 21->84 dropped 124 Detected Remcos RAT 21->124 126 Creates autostart registry keys with suspicious names 21->126 41 remcos.exe 5 21->41         started        44 SgrmBroker.exe 21->44         started        128 Loading BitLocker PowerShell Module 25->128 46 conhost.exe 25->46         started        48 conhost.exe 27->48         started        50 conhost.exe 31->50         started        52 conhost.exe 37->52         started        54 conhost.exe 39->54         started        56 conhost.exe 39->56         started        signatures10 process11 signatures12 130 Multi AV Scanner detection for dropped file 41->130 132 Found hidden mapped module (file has been removed from disk) 41->132 134 Adds a directory exclusion to Windows Defender 41->134 136 Injects a PE file into a foreign processes 41->136 58 remcos.exe 41->58         started        63 powershell.exe 41->63         started        65 schtasks.exe 41->65         started        process13 dnsIp14 104 172.94.96.90, 49686, 49687, 5999 AS45671-NET-AUWholesaleServicesProviderAU United States 58->104 106 geoplugin.net 178.237.33.50, 49688, 80 ATOM86-ASATOM86NL Netherlands 58->106 94 C:\Users\user\AppData\Local\Temp\TH5C41.tmp, MS-DOS 58->94 dropped 96 C:\Users\user\AppData\Local\Temp\TH5BE2.tmp, MS-DOS 58->96 dropped 98 C:\Users\user\AppData\Local\Temp\TH5BA2.tmp, PE32 58->98 dropped 144 Detected Remcos RAT 58->144 146 Maps a DLL or memory area into another process 58->146 67 RmClient.exe 58->67         started        70 RmClient.exe 58->70         started        72 RmClient.exe 58->72         started        74 RmClient.exe 58->74         started        148 Loading BitLocker PowerShell Module 63->148 76 conhost.exe 63->76         started        78 WmiPrvSE.exe 63->78         started        80 conhost.exe 65->80         started        file15 signatures16 process17 signatures18 116 Tries to steal Mail credentials (via file registry) 67->116 118 Tries to harvest and steal browser information (history, passwords, etc) 67->118 120 Tries to steal Instant Messenger accounts or passwords 70->120 122 Tries to steal Mail credentials (via file / registry access) 70->122
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.28 Win 32 Exe x86
Threat name:
Win32.Infostealer.Generic
Status:
Suspicious
First seen:
2025-08-05 08:33:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos collection discovery execution persistence rat
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
172.94.96.90:5999
Unpacked files
SH256 hash:
6fd471d3b5a60eb2827287c5b805a12d8e4147c5c2ce85585b3e2748a10e6226
MD5 hash:
ba0eeaf51f1f84a3d7b046608401c602
SHA1 hash:
bf9309f3efb5da2901adc70b25b6292c18a09891
SH256 hash:
e9e52c7297659b7778b303c903bcbe77c88343ff7868963490b10d5fb06273a9
MD5 hash:
9f2d938cb97cfc8f3e292f5737b1ed28
SHA1 hash:
0fd15dea81f581114cf972a46bc969fef47d9113
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

RemcosRAT

Executable exe 6fd471d3b5a60eb2827287c5b805a12d8e4147c5c2ce85585b3e2748a10e6226

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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