MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a44320330ed902d953b355c6f795742ff5f0c0f0548ded9cb2e5edfd7e255502. 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



SnakeKeylogger


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: a44320330ed902d953b355c6f795742ff5f0c0f0548ded9cb2e5edfd7e255502
SHA3-384 hash: 49b8e4a293b89a0db12d234d8cd778fe921eb8259151e61c1b90a466005344410336a4c8cc214b58165d620de8695504
SHA1 hash: e904b06a878dfa683d548be24195c786669fbf47
MD5 hash: 55a46779ab100d520a42f8651f0b194b
humanhash: wisconsin-florida-nitrogen-football
File name:Shipping Documents.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:654'336 bytes
First seen:2023-04-25 15:30:36 UTC
Last seen:2023-04-26 05:39:01 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 12288:PXm+vY07/yhix6pj+5RmCQLtgRg/At0Ib0yg:vm0/NItagLC
Threatray 435 similar samples on MalwareBazaar
TLSH T163D4593D19BD223BC179D6B98FE5D827F454C96B3121AD36A4D78B624706E2234C323E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
252
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a file in the %temp% directory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
formbook packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
Snake Keylogger, StormKitty
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 853878 Sample: Shipping_Documents.pdf.exe Startdate: 25/04/2023 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 11 other signatures 2->61 7 Shipping_Documents.pdf.exe 7 2->7         started        11 WtJRzKKY.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\Roaming\WtJRzKKY.exe, PE32 7->35 dropped 37 C:\Users\...\WtJRzKKY.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp4E64.tmp, XML 7->39 dropped 41 C:\Users\...\Shipping_Documents.pdf.exe.log, ASCII 7->41 dropped 63 May check the online IP address of the machine 7->63 65 Uses schtasks.exe or at.exe to add and modify task schedules 7->65 67 Adds a directory exclusion to Windows Defender 7->67 13 Shipping_Documents.pdf.exe 15 2 7->13         started        17 powershell.exe 22 7->17         started        19 powershell.exe 19 7->19         started        25 6 other processes 7->25 69 Multi AV Scanner detection for dropped file 11->69 71 Machine Learning detection for dropped file 11->71 73 Injects a PE file into a foreign processes 11->73 21 WtJRzKKY.exe 11->21         started        23 schtasks.exe 11->23         started        signatures5 process6 dnsIp7 43 checkip.dyndns.com 132.226.8.169, 49706, 80 UTMEMUS United States 13->43 45 checkip.dyndns.org 13->45 47 api.telegram.org 149.154.167.220, 443, 49707, 49709 TELEGRAMRU United Kingdom 13->47 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        49 132.226.247.73, 49708, 80 UTMEMUS United States 21->49 51 checkip.dyndns.org 21->51 53 192.168.2.1 unknown unknown 21->53 75 Tries to steal Mail credentials (via file / registry access) 21->75 77 Tries to harvest and steal browser information (history, passwords, etc) 21->77 31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        signatures8 process9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-04-25 07:57:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:snakekeylogger family:stormkitty collection keylogger spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot6029559841:AAEqr8_NCfqapJgAzw8PoPbqoCosnsk1VO0/sendMessage?chat_id=6033043077
Unpacked files
SH256 hash:
829795ab5c8a80609cf3e7ce764ebf7fe33fd196b40d799670d23a3fcf85c0c1
MD5 hash:
219d339c63fcefe905193a88f71f2f87
SHA1 hash:
e2ca0aa9c7b1e2d7a52d7126333d34af5bacfb11
SH256 hash:
0b5a846d5e0b477999436c74b6fced01696fc8afba6a5710d1c353aea5d1be91
MD5 hash:
02d31cffa7309f094e1b628e22c09420
SHA1 hash:
bcd591d3ebce66db44eac42fd59fdba65d5d85f1
SH256 hash:
73142ee054984ddb30897601385cca6a50397818e0ddc6f35ffee5ed226f548f
MD5 hash:
aedd6c6861ea506cd2adf10ca4f83196
SHA1 hash:
4fec91b78af843ab602d5e2191d10f8092e0607f
SH256 hash:
6b20ef1da36139055ecd5b4cd0e9a04588d6c92082293ab15d27f9a668d4c942
MD5 hash:
8464e02df418c7c5e1ae8a2c1ac5abc3
SHA1 hash:
21afd427ed309e5715cb6a783e6d69c97163b882
SH256 hash:
a44320330ed902d953b355c6f795742ff5f0c0f0548ded9cb2e5edfd7e255502
MD5 hash:
55a46779ab100d520a42f8651f0b194b
SHA1 hash:
e904b06a878dfa683d548be24195c786669fbf47
Malware family:
SnakeKeylogger
Verdict:
Malicious
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

SnakeKeylogger

Executable exe a44320330ed902d953b355c6f795742ff5f0c0f0548ded9cb2e5edfd7e255502

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments