MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 302dd23d469643215e54a187e4127b50df5bbcdef4c5924193dc6815ba5c2e34. 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: 11


Intelligence 11 IOCs YARA 13 File information Comments 1

SHA256 hash: 302dd23d469643215e54a187e4127b50df5bbcdef4c5924193dc6815ba5c2e34
SHA3-384 hash: 5ff881b15c97fd0cad3705d04288c78a09e0afe096196aa49af0ead9ba10014bfd63b4d2dd45f732afb0c18e9eed0cba
SHA1 hash: 4786a21d01abbe48fbb0e3943aa43366200d8ef4
MD5 hash: 4c4f07c6d9f0b73193ddd3406201e900
humanhash: equal-washington-alpha-solar
File name:4c4f07c6d9f0b73193ddd3406201e900
Download: download sample
Signature StormKitty
File size:120'320 bytes
First seen:2022-08-25 07:06:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:daOqc4zX7NtM0NN7Uj2D9bW0YBDrUbpODw4:rF4zX7NlYjg9ba
TLSH T142C3294933DC4A64E3BF6F7468B12024CB75B413A525E35F1AEA29BC0FA5790D910FA3
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter zbetcheckin
Tags:exe StormKitty

Intelligence


File Origin
# of uploads :
1
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4c4f07c6d9f0b73193ddd3406201e900
Verdict:
No threats detected
Analysis date:
2022-08-25 07:06:28 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a file
Reading critical registry keys
Running batch commands
Creating a window
Launching a process
Launching the process to change network settings
Searching for synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat cmd.exe fingerprint hacktool stealer
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.
Malware family:
Stealerium Stealer
Verdict:
Malicious
Result
Threat name:
AsyncRAT, StormKitty
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to a pastebin service (likely for C&C)
Contains functionality to log keystrokes (.Net Source)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for 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
Powershell drops PE file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
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
Yara detected AsyncRAT
Yara detected MSILDownloaderGeneric
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Yara detected Telegram Recon
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 690014 Sample: VY0cQrdgDM Startdate: 25/08/2022 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for dropped file 2->64 66 Antivirus / Scanner detection for submitted sample 2->66 68 13 other signatures 2->68 7 VY0cQrdgDM.exe 14 60 2->7         started        process3 dnsIp4 58 pastebin.com 104.20.67.143, 443, 49753 CLOUDFLARENETUS United States 7->58 60 cdn.discordapp.com 162.159.134.233, 443, 49773 CLOUDFLARENETUS United States 7->60 40 C:\Users\user\AppData\...\SNIPGPPREP.pdf, ASCII 7->40 dropped 42 C:\Users\user\AppData\...\SNIPGPPREP.pdf, ASCII 7->42 dropped 44 C:\Users\user\AppData\...\LHEPQPGEWF.pdf, ASCII 7->44 dropped 46 C:\Users\user\AppData\...\LHEPQPGEWF.pdf, ASCII 7->46 dropped 70 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->70 72 Tries to harvest and steal browser information (history, passwords, etc) 7->72 74 Tries to harvest and steal WLAN passwords 7->74 76 Modifies existing user documents (likely ransomware behavior) 7->76 12 powershell.exe 44 7->12         started        15 cmd.exe 1 7->15         started        18 powershell.exe 18 7->18         started        20 3 other processes 7->20 file5 signatures6 process7 file8 48 C:\Users\user\AppData\...\SQLite.Interop.dll, PE32 12->48 dropped 50 C:\Users\user\AppData\...\SQLite.Interop.dll, PE32+ 12->50 dropped 52 C:\Users\user\AppData\...\recovery.exe, PE32 12->52 dropped 56 8 other malicious files 12->56 dropped 22 conhost.exe 12->22         started        78 Uses netsh to modify the Windows network and firewall settings 15->78 80 Tries to harvest and steal WLAN passwords 15->80 24 netsh.exe 3 15->24         started        26 conhost.exe 15->26         started        28 findstr.exe 1 15->28         started        30 chcp.com 1 15->30         started        82 Powershell drops PE file 18->82 32 conhost.exe 18->32         started        54 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->54 dropped 34 netsh.exe 3 20->34         started        36 conhost.exe 20->36         started        38 chcp.com 1 20->38         started        signatures9 process10
Threat name:
ByteCode-MSIL.Infostealer.StormKitty
Status:
Malicious
First seen:
2022-08-24 12:09:09 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:stormkitty spyware stealer
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Reads user/profile data of web browsers
StormKitty
StormKitty payload
Unpacked files
SH256 hash:
302dd23d469643215e54a187e4127b50df5bbcdef4c5924193dc6815ba5c2e34
MD5 hash:
4c4f07c6d9f0b73193ddd3406201e900
SHA1 hash:
4786a21d01abbe48fbb0e3943aa43366200d8ef4
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_SUSPICIOUS_EXE_CC_Regex
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_VPN
Author:ditekSHen
Description:Detects executables referencing many VPN software clients. Observed in infosteslers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
Author:ditekSHen
Description:Detects executables with interest in wireless interface using netsh
Rule name:MALWARE_Win_StormKitty
Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


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

Web download

StormKitty

Executable exe 302dd23d469643215e54a187e4127b50df5bbcdef4c5924193dc6815ba5c2e34

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-08-25 07:06:25 UTC

url : hxxp://37.139.129.142/htdocs/FsEcMJXfJNDreXQ.exe