MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51042b77cd0432083c33d32d17332f8bb196c48e8f1d075174e3ab7a8fbf9c7d. 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



FirebirdRAT


Vendor detections: 21


Intelligence 21 IOCs 1 YARA 16 File information Comments

SHA256 hash: 51042b77cd0432083c33d32d17332f8bb196c48e8f1d075174e3ab7a8fbf9c7d
SHA3-384 hash: 9c33b26a7db6a5f35c98f7358b89b2918974fa8be4c022704e492dc0700e4f374286ab00a2ede31b27e39c963cead56d
SHA1 hash: fceec71675581f249f58f9ee494f1f77cdfbf34d
MD5 hash: e0161930c3c5cb23767d6ebf0fb28334
humanhash: wyoming-kilo-oven-nebraska
File name:E0161930C3C5CB23767D6EBF0FB28334.exe
Download: download sample
Signature FirebirdRAT
File size:75'776 bytes
First seen:2025-09-05 07:00:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:aUKkcx9pXCTyPMV2YdNJALSUIcH1bP/mpN8SHQzcKLVclN:aUDcx958yPMV7JPGH1bPuzPQ7BY
Threatray 819 similar samples on MalwareBazaar
TLSH T10A734B023BD88D26E2AE47B9ACF252074EF4D1576512CE5E3CC840DD5B67BC58A037EA
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe FirebirdRAT


Avatar
abuse_ch
FirebirdRAT C2:
194.59.31.186:4448

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
194.59.31.186:4448 https://threatfox.abuse.ch/ioc/1582207/

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
E0161930C3C5CB23767D6EBF0FB28334.exe
Verdict:
Malicious activity
Analysis date:
2025-09-05 07:01:01 UTC
Tags:
auto-reg rat asyncrat remote stealer evasion xor-url generic ims-api discord exfiltration stormkitty arch-doc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
autorun dropper shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Creating a file in the %AppData% directory
Running batch commands
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Connecting to a non-recommended domain
Connection attempt
Creating a window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Searching for synchronization primitives
Launching cmd.exe command interpreter
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Blocking the User Account Control
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy evasive hacktool lolbin mpcmdrun msconfig msiexec njrat obfuscated rat regedit schtasks vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-04T15:07:00Z UTC
Last seen:
2025-09-04T15:07:00Z UTC
Hits:
~10
Result
Threat name:
Dacic, StormKitty, VenomRAT
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Check if machine is in data center or colocation facility
Contains functionality to log keystrokes (.Net Source)
Disable UAC(promptonsecuredesktop)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables UAC (registry)
Drops PE files with benign system names
Encrypted powershell cmdline option found
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Capture Wi-Fi password
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Schedule system process
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Windows Service Tampering
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Uses whoami command line tool to query computer and username
Yara detected BrowserPasswordDump
Yara detected Dacic
Yara detected Discord Recon
Yara detected StormKitty Stealer
Yara detected VenomRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1771583 Sample: hgpfV55Yf8.exe Startdate: 05/09/2025 Architecture: WINDOWS Score: 100 87 ip-api.com 2->87 89 icanhazip.com 2->89 91 2 other IPs or domains 2->91 109 Suricata IDS alerts for network traffic 2->109 111 Found malware configuration 2->111 113 Malicious sample detected (through community Yara rule) 2->113 115 22 other signatures 2->115 10 svchost.exe 4 182 2->10         started        15 hgpfV55Yf8.exe 9 2->15         started        signatures3 process4 dnsIp5 93 194.59.31.186, 4449, 49691, 49694 COMBAHTONcombahtonGmbHDE Germany 10->93 95 ip-api.com 208.95.112.1, 49702, 80 TUT-ASUS United States 10->95 97 3 other IPs or domains 10->97 75 C:\Users\user\AppData\...\QNCYCDFIJJ.jpg, ASCII 10->75 dropped 77 C:\Users\user\AppData\...\PIVFAGEAAV.png, ASCII 10->77 dropped 79 C:\Users\user\AppData\...\RAYHIWGKDI.docx, ASCII 10->79 dropped 85 2 other malicious files 10->85 dropped 117 System process connects to network (likely due to code injection or exploit) 10->117 119 Multi AV Scanner detection for dropped file 10->119 121 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->121 125 9 other signatures 10->125 17 powershell.exe 10->17         started        20 powershell.exe 10->20         started        22 cmd.exe 10->22         started        24 cmd.exe 10->24         started        81 C:\Users\user\AppData\Roaming\svchost.exe, PE32 15->81 dropped 83 C:\Users\user\AppData\...\hgpfV55Yf8.exe.log, CSV 15->83 dropped 123 Drops PE files with benign system names 15->123 26 cmd.exe 1 15->26         started        28 cmd.exe 1 15->28         started        file6 signatures7 process8 signatures9 99 Suspicious powershell command line found 17->99 101 Uses whoami command line tool to query computer and username 17->101 30 powershell.exe 17->30         started        33 cmd.exe 17->33         started        37 6 other processes 17->37 35 powershell.exe 20->35         started        39 6 other processes 20->39 41 4 other processes 22->41 43 3 other processes 24->43 103 Uses schtasks.exe or at.exe to add and modify task schedules 26->103 105 Uses netsh to modify the Windows network and firewall settings 26->105 107 Tries to harvest and steal WLAN passwords 26->107 45 2 other processes 26->45 47 3 other processes 28->47 process10 signatures11 127 Disable Windows Defender notifications (registry) 30->127 129 Disable Windows Defender real time protection (registry) 30->129 131 Uses whoami command line tool to query computer and username 30->131 49 cmd.exe 30->49         started        63 6 other processes 30->63 51 conhost.exe 33->51         started        53 SecurityHealthSystray.exe 33->53         started        55 cmd.exe 35->55         started        65 6 other processes 35->65 57 conhost.exe 37->57         started        59 conhost.exe 39->59         started        61 SecurityHealthSystray.exe 39->61         started        process12 process13 67 conhost.exe 49->67         started        69 SecurityHealthSystray.exe 49->69         started        71 conhost.exe 55->71         started        73 SecurityHealthSystray.exe 55->73         started       
Verdict:
njRat
YARA:
13 match(es)
Tags:
.Net Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.25 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-09-01 01:19:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  2/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:asyncrat family:stormkitty botnet:default collection defense_evasion discovery evasion execution persistence privilege_escalation rat spyware stealer trojan
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Runs net.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Modifies trusted root certificate store through registry
System Network Configuration Discovery: Wi-Fi Discovery
Launches sc.exe
Accesses Microsoft Outlook profiles
Checks installed software on the system
Checks whether UAC is enabled
Command and Scripting Interpreter: PowerShell
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Looks up geolocation information via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Asyncrat family
Modifies Windows Defender DisableAntiSpyware settings
Modifies Windows Defender Real-time Protection settings
StormKitty
StormKitty payload
Stormkitty family
Suspicious use of NtCreateUserProcessOtherParentProcess
UAC bypass
Malware Config
C2 Extraction:
194.59.31.186:4449
Verdict:
Malicious
Tags:
rat asyncrat venom_rat Win.Packed.Razy-9807129-0
YARA:
EXE_VenomRAT_May_2024 Windows_Generic_Threat_ce98c4bc asyncrat win_asyncrat_unobfuscated
Unpacked files
SH256 hash:
51042b77cd0432083c33d32d17332f8bb196c48e8f1d075174e3ab7a8fbf9c7d
MD5 hash:
e0161930c3c5cb23767d6ebf0fb28334
SHA1 hash:
fceec71675581f249f58f9ee494f1f77cdfbf34d
Detections:
AsyncRAT VenomRat
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:AcRat
Author:Nikos 'n0t' Totosis
Description:AcRat Payload (based on AsyncRat)
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Mal_WIN_AsyncRat_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:venomrat
Author:jeFF0Falltrades
Rule name:Windows_Generic_Threat_ce98c4bc
Author:Elastic Security
Rule name:win_asyncrat_unobfuscated
Author:Matthew @ Embee_Research
Description:Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

File information


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

Comments