MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da1affe84e54055e68af38dc7fda253d538925805b563d7a87686338a7b8d0e6. 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 5 File information Comments

SHA256 hash: da1affe84e54055e68af38dc7fda253d538925805b563d7a87686338a7b8d0e6
SHA3-384 hash: 9d65ea9edf78ebe55441f7dbc41f3cb63c112a017e7a6853fa978bd2c47d84799e6afe4e7ce103cc7c959b3baa4ed9c8
SHA1 hash: f7475eee9fe28e196d2d65f4803ffe48a3dc2b26
MD5 hash: d97e41f8d67fbb966509824bf34191df
humanhash: music-north-double-nitrogen
File name:182376,PDF.exe
Download: download sample
Signature StormKitty
File size:110'080 bytes
First seen:2022-10-28 07:37:10 UTC
Last seen:2022-11-07 07:05:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 1536:gx/tmQiKh0Ovt0Xo++vw/18AyMMK4MIy+ZmVcl:6tD3OXo+mwNJb4MIy+Z8Y
Threatray 1'622 similar samples on MalwareBazaar
TLSH T13EB3E8D2C58412F0EAB94B31917B5E0A472BBF3AAC24F95E749CB1627FB31C25122D47
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 69696949694d694b (2 x StormKitty, 1 x MassLogger, 1 x Formbook)
Reporter lowmal3
Tags:exe StormKitty

Intelligence


File Origin
# of uploads :
3
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
182376,PDF.exe
Verdict:
No threats detected
Analysis date:
2022-10-28 09:41:21 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
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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:
BluStealer, DarkCloud, StormKitty
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected BluStealer
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Yara detected MSILDownloaderGeneric
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 732836 Sample: 182376,PDF.exe Startdate: 28/10/2022 Architecture: WINDOWS Score: 100 67 Snort IDS alert for network traffic 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Yara detected DarkCloud 2->71 73 7 other signatures 2->73 7 182376,PDF.exe 16 7 2->7         started        12 Uppqztxhpk.exe 14 4 2->12         started        14 Uppqztxhpk.exe 3 2->14         started        process3 dnsIp4 57 cdn.discordapp.com 162.159.130.233, 443, 49692, 49704 CLOUDFLARENETUS United States 7->57 45 C:\Users\user\AppData\...\Uppqztxhpk.exe, PE32 7->45 dropped 47 C:\Users\...\Uppqztxhpk.exe:Zone.Identifier, ASCII 7->47 dropped 49 C:\Users\user\AppData\...\182376,PDF.exe.log, ASCII 7->49 dropped 85 Encrypted powershell cmdline option found 7->85 87 Injects a PE file into a foreign processes 7->87 16 182376,PDF.exe 1 7->16         started        19 powershell.exe 16 7->19         started        21 182376,PDF.exe 7->21         started        59 162.159.129.233, 443, 49703 CLOUDFLARENETUS United States 12->59 89 Machine Learning detection for dropped file 12->89 23 Uppqztxhpk.exe 12->23         started        25 powershell.exe 12->25         started        27 Uppqztxhpk.exe 12->27         started        29 powershell.exe 14->29         started        31 Uppqztxhpk.exe 14->31         started        file5 signatures6 process7 signatures8 61 Writes to foreign memory regions 16->61 63 Allocates memory in foreign processes 16->63 65 Injects a PE file into a foreign processes 16->65 33 AppLaunch.exe 14 3 16->33         started        37 conhost.exe 19->37         started        39 AppLaunch.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 29->43         started        process9 dnsIp10 51 icanhazip.com 104.18.115.97, 49702, 49705, 80 CLOUDFLARENETUS United States 33->51 53 82.148.8.0.in-addr.arpa 33->53 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 33->75 77 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 33->77 79 May check the online IP address of the machine 33->79 55 82.148.8.0.in-addr.arpa 39->55 81 Tries to steal Mail credentials (via file / registry access) 39->81 83 Tries to harvest and steal browser information (history, passwords, etc) 39->83 signatures11
Threat name:
ByteCode-MSIL.Trojan.Stormkitty
Status:
Malicious
First seen:
2022-10-28 08:17:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:blustealer family:stormkitty collection persistence stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
BluStealer
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5583812995:AAFKzjSLC2-pDvMQ8X47-80XjrRiWrDtxA/sendMessage?chat_id=5434600361
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
da1affe84e54055e68af38dc7fda253d538925805b563d7a87686338a7b8d0e6
MD5 hash:
d97e41f8d67fbb966509824bf34191df
SHA1 hash:
f7475eee9fe28e196d2d65f4803ffe48a3dc2b26
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_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Malspam

StormKitty

Executable exe da1affe84e54055e68af38dc7fda253d538925805b563d7a87686338a7b8d0e6

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments