MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed3b960271a87aeba0b4b1f8fbf4883277aeffd8162ac5ec01cd6b39e7b506b9. 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



StormKitty


Vendor detections: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: ed3b960271a87aeba0b4b1f8fbf4883277aeffd8162ac5ec01cd6b39e7b506b9
SHA3-384 hash: ee83898dcc4b4f664576e359b8f6b36b3403f01bdcd843ffea57cfaa535070ee2d08615fcb59675091b1464476423391
SHA1 hash: 1beb667426023ca438258513b3dc55cbfd32e75d
MD5 hash: f5bd32d43a6edb0cdd970899459cdccd
humanhash: artist-uranus-venus-kitten
File name:ed3b960271a87aeba0b4b1f8fbf4883277aeffd8162ac5ec01cd6b39e7b506b9
Download: download sample
Signature StormKitty
File size:3'584 bytes
First seen:2022-11-09 10:54:53 UTC
Last seen:2022-11-09 12:55:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 48:6xXtLH0zWAXUlJmXFcxeWKWBhPcWOulZgGiqXSfbNtm:cUzGC3UPXcGKzNt
TLSH T141719601B3EC4257E1B747346AF3831077B9F9518D6B875E69C4921E7D127808E53AF1
TrID 63.5% (.EXE) Win64 Executable (generic) (10523/12/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Reporter adrian__luca
Tags:exe StormKitty

Intelligence


File Origin
# of uploads :
2
# of downloads :
180
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a window
Searching for the window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed shell32.dll
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AsyncRAT, AveMaria, Njrat, PhoenixRAT, S
Detection:
malicious
Classification:
troj.adwa.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected VMProtect packer
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Drops script or batch files to the startup folder
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies the windows firewall
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)
Sigma detected: Capture Wi-Fi password
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Yara detected AsyncRAT
Yara detected AveMaria stealer
Yara detected Generic Downloader
Yara detected Njrat
Yara detected PhoenixRAT
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Yara detected Telegram Recon
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 741862 Sample: hYVWqy4jxs.exe Startdate: 09/11/2022 Architecture: WINDOWS Score: 100 109 make-catherine.at.ply.gg 2->109 127 Malicious sample detected (through community Yara rule) 2->127 129 Antivirus detection for URL or domain 2->129 131 Antivirus / Scanner detection for submitted sample 2->131 133 27 other signatures 2->133 13 hYVWqy4jxs.exe 14 5 2->13         started        17 msiexec.exe 2->17         started        signatures3 process4 dnsIp5 125 speedxstreeamz.herokuapp.com 107.22.57.98, 49697, 80 AMAZON-AESUS United States 13->125 105 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 13->105 dropped 107 C:\Users\user\AppData\...\hYVWqy4jxs.exe.log, CSV 13->107 dropped 19 RegAsm.exe 4 11 13->19         started        file6 process7 file8 89 C:\Windows\SysWOW64\StormKittyBuild.exe, PE32+ 19->89 dropped 91 C:\Users\user\AppData\...\WorldWindClient.exe, PE32 19->91 dropped 93 C:\Users\user\AppData\...\Flood http.exe, PE32 19->93 dropped 143 Antivirus detection for dropped file 19->143 145 Machine Learning detection for dropped file 19->145 147 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 19->147 149 3 other signatures 19->149 23 Flood http.exe 13 19->23         started        26 StormKittyBuild.exe 14 109 19->26         started        30 WorldWindClient.exe 15 166 19->30         started        signatures9 process10 dnsIp11 95 C:\Users\user\AppData\Roaming\...\http.exe, PE32 23->95 dropped 97 C:\Users\user\AppData\Roaming\...\1.exe, PE32 23->97 dropped 32 http.exe 23->32         started        35 1.exe 23->35         started        113 232.243.5.0.in-addr.arpa 26->113 115 ip-api.com 208.95.112.1, 49701, 80 TUT-ASUS United States 26->115 121 3 other IPs or domains 26->121 99 C:\Windows\SysWOW64\DotNetZip.dll, PE32 26->99 dropped 101 C:\Windows\SysWOW64\AnonFileApi.dll, PE32 26->101 dropped 161 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 26->161 163 May check the online IP address of the machine 26->163 165 Tries to steal Mail credentials (via file / registry access) 26->165 169 2 other signatures 26->169 37 cmd.exe 26->37         started        40 cmd.exe 26->40         started        42 WerFault.exe 26->42         started        44 WerFault.exe 26->44         started        117 232.243.5.0.in-addr.arpa 30->117 119 icanhazip.com 104.18.114.97, 49706, 49716, 80 CLOUDFLARENETUS United States 30->119 123 2 other IPs or domains 30->123 167 Tries to harvest and steal browser information (history, passwords, etc) 30->167 46 cmd.exe 30->46         started        48 cmd.exe 30->48         started        file12 signatures13 process14 file15 81 C:\ProgramData\Synaptics\LOIC.exe, PE32 32->81 dropped 83 C:\ProgramData\Synaptics\2.exe, PE32 32->83 dropped 50 2.exe 32->50         started        54 LOIC.exe 32->54         started        85 C:\Users\user\AppData\Roaming\...\1.bat, DOS 35->85 dropped 56 cmd.exe 35->56         started        62 4 other processes 37->62 64 3 other processes 40->64 151 Tries to harvest and steal WLAN passwords 46->151 58 conhost.exe 46->58         started        60 chcp.com 46->60         started        66 2 other processes 46->66 68 3 other processes 48->68 signatures16 process17 file18 87 C:\Users\user\AppData\Roaming\Synaptics.exe, PE32 50->87 dropped 135 Antivirus detection for dropped file 50->135 137 Machine Learning detection for dropped file 50->137 70 Synaptics.exe 50->70         started        139 Multi AV Scanner detection for dropped file 54->139 141 Tries to harvest and steal WLAN passwords 56->141 75 conhost.exe 56->75         started        signatures19 process20 dnsIp21 111 make-catherine.at.ply.gg 209.25.141.180, 58313 COGECO-PEER1CA Canada 70->111 103 C:\...\b4c63b54190652b309c82e2a2b6c90f6.exe, PE32 70->103 dropped 153 Changes the view of files in windows explorer (hidden files and folders) 70->153 155 Creates autostart registry keys with suspicious names 70->155 157 Drops PE files to the startup folder 70->157 159 2 other signatures 70->159 77 netsh.exe 70->77         started        file22 signatures23 process24 process25 79 conhost.exe 77->79         started       
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-11-09 10:55:06 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:asyncrat family:stormkitty botnet:default collection evasion persistence rat spyware stealer vmprotect
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in System32 directory
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops desktop.ini file(s)
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
Drops startup file
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
VMProtect packed file
Async RAT payload
AsyncRat
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot5733301341:AAF6S_qPXNWS0WW5VbV6kBv7HBzZIREbZ_g/sendMessage?chat_id=1071532135
Unpacked files
SH256 hash:
ed3b960271a87aeba0b4b1f8fbf4883277aeffd8162ac5ec01cd6b39e7b506b9
MD5 hash:
f5bd32d43a6edb0cdd970899459cdccd
SHA1 hash:
1beb667426023ca438258513b3dc55cbfd32e75d
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

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