MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a68672b1ebb95bb719b551cbc3b72c53d5e256004c519039dc02649ff166b4da. 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 6 File information Comments

SHA256 hash: a68672b1ebb95bb719b551cbc3b72c53d5e256004c519039dc02649ff166b4da
SHA3-384 hash: 20416876bd7ea836ca02d337c9a05c68f258260d25e3801f8af67bd38005a4bd032d90087ba903c14070fb86f472cab8
SHA1 hash: 66082f545e8c54c3574aa21c09cc2cafeddc6c59
MD5 hash: 20a84bfdd16cd3e1b6849ea1ea9c4d0a
humanhash: high-eleven-stream-tennis
File name:SWIFT IMG_2022082__000021001.pdf.exe
Download: download sample
Signature StormKitty
File size:22'528 bytes
First seen:2022-08-24 13:02:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 192:2f+zZKZFq3WFjLpeBYY8zyfCCZtdT4NYHefn3Z2FT9TDvtAE230ZckEDt3ECJ:TzUZVFYBt8z3C2+Hef4ddBZA0Zva0C
Threatray 1'297 similar samples on MalwareBazaar
TLSH T13DA2F656CF9A8225E62A0F7678B32A74453F6F81FD76FB0E1E0030927B737C09561625
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 9b0383856433132b (7 x AgentTesla, 2 x StormKitty, 1 x PureCrypter)
Reporter lowmal3
Tags:exe StormKitty

Intelligence


File Origin
# of uploads :
1
# of downloads :
322
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SWIFT IMG_2022082__000021001.pdf.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-24 13:04:10 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
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
SUSPICIOUS
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
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)
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: 689512 Sample: SWIFT IMG_2022082__00002100... Startdate: 24/08/2022 Architecture: WINDOWS Score: 100 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 Yara detected BluStealer 2->76 78 13 other signatures 2->78 7 SWIFT IMG_2022082__000021001.pdf.exe 16 7 2->7         started        12 Sazjbvo.exe 14 4 2->12         started        14 Sazjbvo.exe 2->14         started        process3 dnsIp4 58 cdn.discordapp.com 162.159.130.233, 443, 49706, 49715 CLOUDFLARENETUS United States 7->58 44 C:\Users\user\AppData\Roaming\...\Sazjbvo.exe, PE32 7->44 dropped 46 C:\Users\user\...\Sazjbvo.exe:Zone.Identifier, ASCII 7->46 dropped 48 SWIFT IMG_2022082__000021001.pdf.exe.log, ASCII 7->48 dropped 80 Encrypted powershell cmdline option found 7->80 82 Injects a PE file into a foreign processes 7->82 16 SWIFT IMG_2022082__000021001.pdf.exe 1 7->16         started        18 powershell.exe 18 7->18         started        84 Antivirus detection for dropped file 12->84 86 Machine Learning detection for dropped file 12->86 20 Sazjbvo.exe 12->20         started        22 powershell.exe 12->22         started        24 Sazjbvo.exe 12->24         started        26 Sazjbvo.exe 12->26         started        60 162.159.133.233, 443, 49716 CLOUDFLARENETUS United States 14->60 28 powershell.exe 14->28         started        30 Sazjbvo.exe 14->30         started        file5 signatures6 process7 process8 32 AppLaunch.exe 14 3 16->32         started        36 conhost.exe 18->36         started        38 AppLaunch.exe 20->38         started        40 conhost.exe 22->40         started        42 conhost.exe 28->42         started        dnsIp9 50 icanhazip.com 104.18.114.97, 49714, 80 CLOUDFLARENETUS United States 32->50 52 24.107.12.0.in-addr.arpa 32->52 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 32->62 64 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 32->64 66 May check the online IP address of the machine 32->66 54 104.18.115.97, 49717, 80 CLOUDFLARENETUS United States 38->54 56 24.107.12.0.in-addr.arpa 38->56 68 Tries to steal Mail credentials (via file / registry access) 38->68 70 Tries to harvest and steal browser information (history, passwords, etc) 38->70 signatures10
Threat name:
ByteCode-MSIL.Trojan.BluStealer
Status:
Malicious
First seen:
2022-08-24 11:57:13 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 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
Looks up external IP address via web service
Checks computer location settings
Creates a large amount of network flows
BluStealer
StormKitty
StormKitty payload
Unpacked files
SH256 hash:
a68672b1ebb95bb719b551cbc3b72c53d5e256004c519039dc02649ff166b4da
MD5 hash:
20a84bfdd16cd3e1b6849ea1ea9c4d0a
SHA1 hash:
66082f545e8c54c3574aa21c09cc2cafeddc6c59
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 a68672b1ebb95bb719b551cbc3b72c53d5e256004c519039dc02649ff166b4da

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments