MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f636d15642c8a199f125c5128bae3f367e7e9595af631d1080f24fc6d94fcb2a. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments

SHA256 hash: f636d15642c8a199f125c5128bae3f367e7e9595af631d1080f24fc6d94fcb2a
SHA3-384 hash: 18832011b899040941bd3207349eac964267fdd6162cb5720212a09dcdc033184bd81abfc8ec5cd4625ea3dec4ac191a
SHA1 hash: 8f4123b348c93691b5ef56c2280d027343686c68
MD5 hash: 950b2eb32fcabb720d713f05a9e621bd
humanhash: william-dakota-september-mirror
File name:swift Zirat Bankasi Swift Mesaji,pdf.exe
Download: download sample
Signature StormKitty
File size:43'304 bytes
First seen:2022-10-14 02:17:40 UTC
Last seen:2022-10-14 05:33:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:n1YgDFY7RNpfkLxmnSj3ge0G9s3CkEZsHLEn74i/8E9VF0Ny2ZxkEZsHLEs4i/8R:1YgRmnSj3gYCB2eE/beEm
Threatray 1'776 similar samples on MalwareBazaar
TLSH T1BE134C65D2851C15DE67EE32E1F006313AF57E84AE24CD9F402BF8911FB7BD22EA5029
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 74f0dcccccd4c0d4 (10 x AgentTesla, 6 x RemcosRAT, 5 x BitRAT)
Reporter GovCERT_CH
Tags:exe StormKitty

Intelligence


File Origin
# of uploads :
2
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed 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, StormKitty
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected BluStealer
Yara detected Costura Assembly Loader
Yara detected Generic Dropper
Yara detected MSILDownloaderGeneric
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 723014 Sample: swift Zirat Bankasi Swift M... Startdate: 14/10/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 10 other signatures 2->48 7 swift Zirat Bankasi Swift Mesaji,pdf.exe 16 7 2->7         started        12 Puvhllps.exe 14 3 2->12         started        14 Puvhllps.exe 2 2->14         started        process3 dnsIp4 40 cdn.discordapp.com 162.159.130.233, 443, 49719, 49750 CLOUDFLARENETUS United States 7->40 30 C:\Users\user\AppData\...\Puvhllps.exe, PE32 7->30 dropped 32 C:\Users\...\Puvhllps.exe:Zone.Identifier, ASCII 7->32 dropped 34 swift Zirat Bankas... Mesaji,pdf.exe.log, ASCII 7->34 dropped 58 Encrypted powershell cmdline option found 7->58 16 swift Zirat Bankasi Swift Mesaji,pdf.exe 1 7->16         started        18 powershell.exe 15 7->18         started        60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 20 powershell.exe 12->20         started        file5 signatures6 process7 process8 22 AppLaunch.exe 14 3 16->22         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        dnsIp9 36 icanhazip.com 104.18.114.97, 49749, 80 CLOUDFLARENETUS United States 22->36 38 54.229.13.0.in-addr.arpa 22->38 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->50 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->52 54 May check the online IP address of the machine 22->54 56 2 other signatures 22->56 signatures10
Threat name:
Win32.Trojan.Scarsi
Status:
Malicious
First seen:
2022-10-13 14:14:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
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:
f636d15642c8a199f125c5128bae3f367e7e9595af631d1080f24fc6d94fcb2a
MD5 hash:
950b2eb32fcabb720d713f05a9e621bd
SHA1 hash:
8f4123b348c93691b5ef56c2280d027343686c68
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_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 f636d15642c8a199f125c5128bae3f367e7e9595af631d1080f24fc6d94fcb2a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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