MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c68294e867c285f5ec14441b9af0ac662a3b71822ee9432d82e6dd07e41778a7. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash: c68294e867c285f5ec14441b9af0ac662a3b71822ee9432d82e6dd07e41778a7
SHA3-384 hash: 285f371e55c4470ccef0bf110b0115fd280254890963455ce25df94bd6061d7a0bd0bee411c8e6a1dac3782992a446f2
SHA1 hash: e5c18362018b99ae688bdecd77c333c3088673a6
MD5 hash: 9ff132c364661e1139e8064c536ca67e
humanhash: victor-april-football-montana
File name:doc20220901 0200222 -0222.PDF.exe
Download: download sample
Signature StormKitty
File size:24'064 bytes
First seen:2022-09-01 07:46:13 UTC
Last seen:2022-09-06 00:27:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:hDBL3eKUFxi7RRLRIILxEUaNePqRpimmtIEQ675TKn8Svod2JzFlXYmnZzjcNrb1:hDBLaxi7RRNvLxOzRphL6lu8SvoYym0l
TLSH T150B29E42CB544A23FD76053A197B19194368F93FDE62EB6E2484650F8D97742C872F33
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 4b5ba7664a2c393c (3 x AgentTesla, 1 x StormKitty, 1 x a310Logger)
Reporter lowmal3
Tags:exe StormKitty

Intelligence


File Origin
# of uploads :
4
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
doc20220901 0200222 -0222.PDF.exe
Verdict:
Suspicious activity
Analysis date:
2022-09-01 09:22:57 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:
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:
AsyncRAT, BluStealer, SpyEx, StormKitty
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
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)
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AsyncRAT
Yara detected BluStealer
Yara detected Generic Downloader
Yara detected Generic Dropper
Yara detected MSILDownloaderGeneric
Yara detected SpyEx stealer
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 695067 Sample: doc20220901 0200222 -0222.PDF.exe Startdate: 01/09/2022 Architecture: WINDOWS Score: 100 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 Yara detected BluStealer 2->64 66 13 other signatures 2->66 7 doc20220901 0200222 -0222.PDF.exe 16 7 2->7         started        12 Lbytilyy.exe 14 4 2->12         started        14 Lbytilyy.exe 3 2->14         started        process3 dnsIp4 46 cdn.discordapp.com 162.159.135.233, 443, 49719, 49728 CLOUDFLARENETUS United States 7->46 40 C:\Users\user\AppData\...\Lbytilyy.exe, PE32 7->40 dropped 42 C:\Users\...\Lbytilyy.exe:Zone.Identifier, ASCII 7->42 dropped 44 C:\...\doc20220901 0200222 -0222.PDF.exe.log, ASCII 7->44 dropped 68 Encrypted powershell cmdline option found 7->68 16 doc20220901 0200222 -0222.PDF.exe 1 7->16         started        18 powershell.exe 17 7->18         started        70 Multi AV Scanner detection for dropped file 12->70 72 Machine Learning detection for dropped file 12->72 20 Lbytilyy.exe 12->20         started        22 powershell.exe 12->22         started        48 162.159.133.233, 443, 49738 CLOUDFLARENETUS United States 14->48 24 powershell.exe 14->24         started        26 Lbytilyy.exe 14->26         started        file5 signatures6 process7 process8 28 AppLaunch.exe 14 3 16->28         started        32 conhost.exe 18->32         started        34 AppLaunch.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        dnsIp9 50 icanhazip.com 104.18.115.97, 49727, 80 CLOUDFLARENETUS United States 28->50 52 192.168.2.1 unknown unknown 28->52 54 132.41.2.0.in-addr.arpa 28->54 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->74 76 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 28->76 78 May check the online IP address of the machine 28->78 56 104.18.114.97, 49745, 80 CLOUDFLARENETUS United States 34->56 58 132.41.2.0.in-addr.arpa 34->58 80 Tries to steal Mail credentials (via file / registry access) 34->80 82 Tries to harvest and steal browser information (history, passwords, etc) 34->82 signatures10
Threat name:
ByteCode-MSIL.Trojan.BluStealer
Status:
Malicious
First seen:
2022-09-01 07:47:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 26 (84.62%)
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 behavior: GetForegroundWindowSpam
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
Unpacked files
SH256 hash:
c68294e867c285f5ec14441b9af0ac662a3b71822ee9432d82e6dd07e41778a7
MD5 hash:
9ff132c364661e1139e8064c536ca67e
SHA1 hash:
e5c18362018b99ae688bdecd77c333c3088673a6
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:dsc
Author:Aaron DeVera
Description:Discord domains
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 c68294e867c285f5ec14441b9af0ac662a3b71822ee9432d82e6dd07e41778a7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments