MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bb307829c4eaaa55f45a191b27917e6fa60330b981a5ccca3529bfe69487a6f. 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: 14


Intelligence 14 IOCs YARA 13 File information Comments

SHA256 hash: 1bb307829c4eaaa55f45a191b27917e6fa60330b981a5ccca3529bfe69487a6f
SHA3-384 hash: 9291772a5bc1eaba4146329f2942a55b25661b14335c30bb899c85d675431ef2f2bfc86e11ff58ec982bb267892ed292
SHA1 hash: 4fcc6ff6da04da046c6a48d4ff75f169d3938dfa
MD5 hash: 77cf246fe6850625de4fc05d5163e5b1
humanhash: virginia-bacon-pizza-nuts
File name:-kredi Karti Hesap Özeti- 4508 0519.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:2'276'352 bytes
First seen:2024-08-02 13:23:00 UTC
Last seen:2024-08-02 14:25:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 18cd531cc44c9bf7f4a78c62c15c1c41 (9 x SnakeKeylogger, 6 x AgentTesla, 3 x Formbook)
ssdeep 49152:TWiP0wV0hJ5VGx6ODJ1+DEtWX33oG1SdAoMjutAls:HVUcsabe1Du
Threatray 83 similar samples on MalwareBazaar
TLSH T162B5C015E3E802A4D47BC630CA699733D7B0B4592734D68B0A49D7462FF3AA18B7F712
TrID 72.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
13.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.EXE) OS/2 Executable (generic) (2029/13)
2.5% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter Anonymous
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
348
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
-kredi Karti Hesap Özeti- 4508 0519.pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-08-02 13:26:20 UTC
Tags:
evasion snake keylogger telegram stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Discovery Execution Generic Infostealer Network Static Stealth Snakestealer
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a process with a hidden window
Creating a file
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Launching the process to change network settings
Searching for synchronization primitives
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
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:
Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Drops PE files to the user root directory
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Capture Wi-Fi password
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious Double Extension File Execution
Sigma detected: Suspicious Double Extension Files
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1486824 Sample: -kredi Karti Hesap #U00d6ze... Startdate: 02/08/2024 Architecture: WINDOWS Score: 100 67 reallyfreegeoip.org 2->67 69 api.telegram.org 2->69 71 4 other IPs or domains 2->71 83 Found malware configuration 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Sigma detected: Capture Wi-Fi password 2->87 93 17 other signatures 2->93 9 -kredi Karti Hesap #U00d6zeti- 4508   0519.pdf.exe 1 3 2->9         started        13 -kredi Karti Hesap #U00d6zeti- 4508   0519.pdf.exe 2->13         started        15 -kredi Karti Hesap #U00d6zeti- 4508   0519.pdf.exe 1 2->15         started        signatures3 89 Tries to detect the country of the analysis system (by using the IP) 67->89 91 Uses the Telegram API (likely for C&C communication) 69->91 process4 file5 57 -kredi Karti Hesap...4508   0519.pdf.exe, PE32+ 9->57 dropped 59 -kredi Karti Hesap...exe:Zone.Identifier, ASCII 9->59 dropped 95 Creates autostart registry keys with suspicious names 9->95 97 Writes to foreign memory regions 9->97 99 Allocates memory in foreign processes 9->99 17 MSBuild.exe 15 37 9->17         started        21 powershell.exe 23 9->21         started        23 conhost.exe 9->23         started        101 Adds a directory exclusion to Windows Defender 13->101 103 Injects a PE file into a foreign processes 13->103 25 RegAsm.exe 13->25         started        27 powershell.exe 13->27         started        29 conhost.exe 13->29         started        31 RegSvcs.exe 14 12 15->31         started        33 powershell.exe 15->33         started        35 conhost.exe 15->35         started        signatures6 process7 dnsIp8 61 api.telegram.org 149.154.167.220, 443, 49736, 49763 TELEGRAMRU United Kingdom 17->61 63 checkip.dyndns.com 193.122.130.0, 49712, 49715, 49717 ORACLE-BMC-31898US United States 17->63 65 reallyfreegeoip.org 188.114.96.3, 443, 49713, 49714 CLOUDFLARENETUS European Union 17->65 73 Tries to steal Mail credentials (via file / registry access) 17->73 75 Uses netsh to modify the Windows network and firewall settings 17->75 77 Tries to harvest and steal WLAN passwords 17->77 37 netsh.exe 17->37         started        79 Loading BitLocker PowerShell Module 21->79 39 conhost.exe 21->39         started        41 WmiPrvSE.exe 2 23->41         started        81 Tries to harvest and steal browser information (history, passwords, etc) 25->81 43 netsh.exe 25->43         started        45 conhost.exe 27->45         started        47 netsh.exe 31->47         started        49 conhost.exe 33->49         started        signatures9 process10 process11 51 conhost.exe 37->51         started        53 conhost.exe 43->53         started        55 conhost.exe 47->55         started       
Threat name:
Win64.Spyware.Snakekeylogger
Status:
Malicious
First seen:
2024-07-31 06:13:25 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection credential_access discovery execution keylogger persistence privilege_escalation spyware stealer
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Wi-Fi Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Credentials from Password Stores: Credentials from Web Browsers
Snake Keylogger
Snake Keylogger payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot6220970298:AAGEURfHYPir9Sl8r1jI4fR1Pi-4HvfHaYA/sendMessage?chat_id=1856108848
Unpacked files
SH256 hash:
1bb307829c4eaaa55f45a191b27917e6fa60330b981a5ccca3529bfe69487a6f
MD5 hash:
77cf246fe6850625de4fc05d5163e5b1
SHA1 hash:
4fcc6ff6da04da046c6a48d4ff75f169d3938dfa
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::RevertToSelf
ADVAPI32.dll::GetSecurityDescriptorLength
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetWindowsAccountDomainSid
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
ADVAPI32.dll::SetThreadToken
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleWindow
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptGenerateSymmetricKey
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptOpenAlgorithmProvider
bcrypt.dll::BCryptCloseAlgorithmProvider
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW

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