MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7e099c60f551279ad41d2f35a001e14082346f15e312560771dac7302964da9. 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: 21


Intelligence 21 IOCs YARA 8 File information Comments

SHA256 hash: c7e099c60f551279ad41d2f35a001e14082346f15e312560771dac7302964da9
SHA3-384 hash: e5e838c35b8d9f425b07b621e1c3b1c4aa4ed695f7ace5c1df1074aed4740c4560f592b06c3245ca3ac52aa9b788705d
SHA1 hash: 642333158edcefe3043f40ecfee75e5920aa23d2
MD5 hash: e81253717c23bc3add9dffca50d6b8fa
humanhash: floor-nitrogen-queen-sierra
File name:SOA JULY (SHENZHEN OCEANSTAR).exe
Download: download sample
Signature RemcosRAT
File size:1'022'472 bytes
First seen:2025-07-31 06:15:52 UTC
Last seen:2025-08-12 15:00:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'634 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:h0B3yhWURgWntWPn6mECr5rIILktk2BkXdCok1:WBoWWgWtWPaCrpLUPBkYok1
Threatray 1'227 similar samples on MalwareBazaar
TLSH T11625F10266AACF13C9669BF41A34E17407F43E9EA911C34F8DE5BDCB7A74F110A80693
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
dhash icon d8d8dadad9d999d8 (8 x Formbook, 4 x AgentTesla, 3 x SnakeKeylogger)
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
55
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SOA JULY (SHENZHEN OCEANSTAR).exe
Verdict:
Malicious activity
Analysis date:
2025-07-31 06:19:16 UTC
Tags:
auto-reg remcos rat auto-sch-xml remote stealer mpress

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
remcos micro krypt msil
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
Reading critical registry keys
Launching a service
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
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap confuserex expired-cert fingerprint invalid-signature lolbin msbuild obfuscated packed packed reconnaissance regsvcs remcos roboski schtasks signed stego vbc
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 functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
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: 1747566 Sample: SOA JULY (SHENZHEN OCEANSTAR).exe Startdate: 31/07/2025 Architecture: WINDOWS Score: 100 97 geoplugin.net 2->97 111 Suricata IDS alerts for network traffic 2->111 113 Found malware configuration 2->113 115 Malicious sample detected (through community Yara rule) 2->115 117 20 other signatures 2->117 10 SOA JULY (SHENZHEN OCEANSTAR).exe 7 2->10         started        14 qxrCbxvCUQJZU.exe 5 2->14         started        16 remcos.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 file5 89 C:\Users\user\AppData\...\qxrCbxvCUQJZU.exe, PE32 10->89 dropped 91 C:\...\qxrCbxvCUQJZU.exe:Zone.Identifier, ASCII 10->91 dropped 93 C:\Users\user\AppData\Local\...\tmp36AB.tmp, XML 10->93 dropped 95 C:\...\SOA JULY (SHENZHEN OCEANSTAR).exe.log, ASCII 10->95 dropped 139 Adds a directory exclusion to Windows Defender 10->139 141 Injects a PE file into a foreign processes 10->141 20 SOA JULY (SHENZHEN OCEANSTAR).exe 2 4 10->20         started        24 powershell.exe 23 10->24         started        34 2 other processes 10->34 143 Multi AV Scanner detection for dropped file 14->143 26 qxrCbxvCUQJZU.exe 14->26         started        36 3 other processes 14->36 28 remcos.exe 16->28         started        30 schtasks.exe 16->30         started        32 remcos.exe 18->32         started        38 3 other processes 18->38 signatures6 process7 file8 79 C:\ProgramData\Remcos\remcos.exe, PE32 20->79 dropped 81 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 20->81 dropped 119 Detected Remcos RAT 20->119 121 Creates autostart registry keys with suspicious names 20->121 40 remcos.exe 5 20->40         started        123 Loading BitLocker PowerShell Module 24->123 43 conhost.exe 24->43         started        45 conhost.exe 30->45         started        47 conhost.exe 34->47         started        49 conhost.exe 36->49         started        51 conhost.exe 38->51         started        53 conhost.exe 38->53         started        signatures9 process10 signatures11 125 Multi AV Scanner detection for dropped file 40->125 127 Found hidden mapped module (file has been removed from disk) 40->127 129 Adds a directory exclusion to Windows Defender 40->129 131 Injects a PE file into a foreign processes 40->131 55 remcos.exe 40->55         started        60 powershell.exe 40->60         started        62 schtasks.exe 40->62         started        process12 dnsIp13 99 172.94.96.90, 49722, 49723, 5999 AS45671-NET-AUWholesaleServicesProviderAU United States 55->99 101 geoplugin.net 178.237.33.50, 49724, 80 ATOM86-ASATOM86NL Netherlands 55->101 83 C:\Users\user\AppData\Local\Temp\THB585.tmp, MS-DOS 55->83 dropped 85 C:\Users\user\AppData\Local\Temp\THB556.tmp, MS-DOS 55->85 dropped 87 C:\Users\user\AppData\Local\Temp\THB4C8.tmp, PE32 55->87 dropped 133 Detected Remcos RAT 55->133 135 Maps a DLL or memory area into another process 55->135 64 RmClient.exe 55->64         started        67 RmClient.exe 55->67         started        69 RmClient.exe 55->69         started        71 RmClient.exe 55->71         started        137 Loading BitLocker PowerShell Module 60->137 73 conhost.exe 60->73         started        75 WmiPrvSE.exe 60->75         started        77 conhost.exe 62->77         started        file14 signatures15 process16 signatures17 103 Tries to steal Mail credentials (via file registry) 64->103 105 Tries to harvest and steal browser information (history, passwords, etc) 64->105 107 Tries to steal Instant Messenger accounts or passwords 67->107 109 Tries to steal Mail credentials (via file / registry access) 67->109
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.39 Win 32 Exe x86
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2025-07-31 04:11:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
17 of 24 (70.83%)
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
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c7e099c60f551279ad41d2f35a001e14082346f15e312560771dac7302964da9
MD5 hash:
e81253717c23bc3add9dffca50d6b8fa
SHA1 hash:
642333158edcefe3043f40ecfee75e5920aa23d2
SH256 hash:
aa7c7aa6f000b649a6e01ea5815468e6273e210c63341b3b776ed99b6dafc5b4
MD5 hash:
6727cfbf4a6d326ff97d6bc2ce86140a
SHA1 hash:
803d11b012327fdf56a431ed59d93affdccb42a4
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
6005f0e4563fef5e8abfdb88cacd5b3d8fd4cff04b1af93e8e01a9990f46d5c0
MD5 hash:
3f17ed370489371093c2a3d768cb6b07
SHA1 hash:
fb4f0ddcaf872e4c7850e4cefad59a2c62f54424
Malware family:
WebBrowserPassView
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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:NETexecutableMicrosoft
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 c7e099c60f551279ad41d2f35a001e14082346f15e312560771dac7302964da9

(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

Comments