MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab9ca095a67588bf3dd26d2531b38cc5d5a2837ffc1b08859bf31538a414362e. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: ab9ca095a67588bf3dd26d2531b38cc5d5a2837ffc1b08859bf31538a414362e
SHA3-384 hash: 4fef4a6ce8bceb4da90f0079ee1041efa4da804f75927e7949c67203779b7e1611e4cca7e0fe3218cfd5ac6482a8238a
SHA1 hash: 7c27fd80421f732ab36c583c0fb709703da48c52
MD5 hash: e2a5f92b1a73e9637e035d65cfc44e51
humanhash: undress-juliet-triple-victor
File name:TXAUCYB.EXE
Download: download sample
Signature StormKitty
File size:22'016 bytes
First seen:2022-10-19 10:47:10 UTC
Last seen:2022-10-24 07:21:54 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:PZcW7LjumpBLqQFtXBMh2+DGi0mZqNewLrKcC/kXjRqmxWE4OB/uc2v42A:bfqQFtY2G4mIewLCsXjwmxWtOB/ucCA
Threatray 3'279 similar samples on MalwareBazaar
TLSH T148A229C2C781CAE9F9360476C493FA511227BF2AD5798AAF1466340678B37C34537E2B
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 0a659593523535c2 (3 x StormKitty, 2 x a310Logger)
Reporter spatronn2
Tags:exe StormKitty

Intelligence


File Origin
# of uploads :
4
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Zirat Bankasi Swift Mesaji,pdf.r00
Verdict:
Malicious activity
Analysis date:
2022-10-19 10:39:32 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
Searching for the window
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:
obfuscated 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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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 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: 726013 Sample: TXAUCYB.EXE.exe Startdate: 19/10/2022 Architecture: WINDOWS Score: 100 79 Snort IDS alert for network traffic 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 Antivirus / Scanner detection for submitted sample 2->83 85 9 other signatures 2->85 7 TXAUCYB.EXE.exe 16 7 2->7         started        12 Dccflujfd.exe 14 4 2->12         started        14 Dccflujfd.exe 3 2->14         started        process3 dnsIp4 49 cdn.discordapp.com 162.159.134.233, 443, 49695 CLOUDFLARENETUS United States 7->49 43 C:\Users\user\AppData\...\Dccflujfd.exe, PE32 7->43 dropped 45 C:\Users\...\Dccflujfd.exe:Zone.Identifier, ASCII 7->45 dropped 47 C:\Users\user\AppData\...\TXAUCYB.EXE.exe.log, ASCII 7->47 dropped 87 Encrypted powershell cmdline option found 7->87 89 Injects a PE file into a foreign processes 7->89 16 TXAUCYB.EXE.exe 1 7->16         started        19 powershell.exe 14 7->19         started        51 162.159.133.233, 443, 49697 CLOUDFLARENETUS United States 12->51 91 Antivirus detection for dropped file 12->91 93 Multi AV Scanner detection for dropped file 12->93 95 Machine Learning detection for dropped file 12->95 21 Dccflujfd.exe 12->21         started        23 powershell.exe 12->23         started        53 162.159.135.233, 443, 49698 CLOUDFLARENETUS United States 14->53 25 powershell.exe 14->25         started        27 Dccflujfd.exe 14->27         started        29 Dccflujfd.exe 14->29         started        file5 signatures6 process7 signatures8 63 Writes to foreign memory regions 16->63 65 Allocates memory in foreign processes 16->65 67 Injects a PE file into a foreign processes 16->67 31 AppLaunch.exe 14 3 16->31         started        35 conhost.exe 19->35         started        37 AppLaunch.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        process9 dnsIp10 55 icanhazip.com 104.18.114.97, 49696, 80 CLOUDFLARENETUS United States 31->55 57 233.75.3.0.in-addr.arpa 31->57 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 31->69 71 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 31->71 73 May check the online IP address of the machine 31->73 59 104.18.115.97, 49699, 80 CLOUDFLARENETUS United States 37->59 61 233.75.3.0.in-addr.arpa 37->61 75 Tries to steal Mail credentials (via file / registry access) 37->75 77 Tries to harvest and steal browser information (history, passwords, etc) 37->77 signatures11
Threat name:
ByteCode-MSIL.Trojan.Scarsi
Status:
Malicious
First seen:
2022-10-19 10:12:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:blustealer family:stormkitty collection discovery 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
Creates a large amount of network flows
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
Unpacked files
SH256 hash:
ab9ca095a67588bf3dd26d2531b38cc5d5a2837ffc1b08859bf31538a414362e
MD5 hash:
e2a5f92b1a73e9637e035d65cfc44e51
SHA1 hash:
7c27fd80421f732ab36c583c0fb709703da48c52
Detections:
SimpleCILDownloader
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.

Comments