MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 417d90bf7d85a12dd9b199f97a0f7315532a71e0c09c124d50258dda532e0b20. 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



Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash: 417d90bf7d85a12dd9b199f97a0f7315532a71e0c09c124d50258dda532e0b20
SHA3-384 hash: f7e513577404feae177eba88e4c884e71d015bd1832dd58868cd8f6167501be68723af08f3535c694df37a230c53a602
SHA1 hash: f48c82b37982106c2a39a14813205809426a2ca3
MD5 hash: ba6fb672900af300c0105577ea15a064
humanhash: island-bulldog-venus-lactose
File name:StormKitty-1.exe
Download: download sample
File size:3'915'776 bytes
First seen:2020-08-28 21:05:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 49152:LLgiplLuHGNamnNzDFU5HTxIL5IabBUSCdDYoR9tkeCo4MuUUmz/g8UKN9H5bA:LL7pNMG82NlgtImouSkaeCi3bz/hb
TLSH 1106D034E1414D3FC43A133C5C7F9278A6FE7804257E674BBBA8189A9FEB30865A5346
Reporter James_inthe_box
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a file in the %temp% directory
Enabling the 'hidden' option for analyzed file
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Enabling the 'hidden' option for recently created files
Deleting a recently created file
Reading critical registry keys
Delayed writing of the file
Creating a window
Running batch commands
Creating a file in the Windows subdirectories
Launching a process
Launching the process to change network settings
Moving a recently created file
Stealing user critical data
Setting a global event handler for the keyboard
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
May check the online IP address of the machine
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
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
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279378 Sample: StormKitty-1.exe Startdate: 28/08/2020 Architecture: WINDOWS Score: 100 54 Antivirus / Scanner detection for submitted sample 2->54 56 Sigma detected: Capture Wi-Fi password 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 10 other signatures 2->60 8 StormKitty-1.exe 15 119 2->8         started        process3 dnsIp4 48 raw.githubusercontent.com 8->48 50 64.89.4.0.in-addr.arpa 8->50 52 7 other IPs or domains 8->52 40 C:\Users\user\Desktop\AnonFileApi.dll, PE32 8->40 dropped 42 C:\Users\user\AppData\...\TTCBKWZYOC.docx, ASCII 8->42 dropped 44 C:\Users\user\AppData\...\QVTVNIBKSD.pdf, ASCII 8->44 dropped 46 2 other files (1 malicious) 8->46 dropped 62 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->62 64 Tries to steal Mail credentials (via file access) 8->64 66 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 8->66 68 2 other signatures 8->68 13 cmd.exe 1 8->13         started        16 cmd.exe 1 8->16         started        18 cmd.exe 1 8->18         started        file5 signatures6 process7 signatures8 70 Tries to harvest and steal WLAN passwords 13->70 20 MpCmdRun.exe 1 13->20         started        22 netsh.exe 3 13->22         started        24 conhost.exe 13->24         started        32 2 other processes 13->32 26 taskkill.exe 1 16->26         started        28 conhost.exe 16->28         started        34 2 other processes 16->34 30 netsh.exe 3 18->30         started        36 2 other processes 18->36 process9 process10 38 conhost.exe 20->38         started       
Threat name:
ByteCode-MSIL.Trojan.CryptInject
Status:
Malicious
First seen:
2020-08-28 21:03:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
73
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Verdict:
suspicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
vmprotect spyware
Behaviour
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Looks up external IP address via web service
Looks up external IP address via web service
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
VMProtect packed file
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:EnigmaStub
Author:@bartblaze
Description:Identifies Enigma packer stub.

File information


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

  
Delivery method
Other

Comments