MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f955e253537a0481eb14314929d44936aec49ff8fb022bdf6b5b7753b1944b0. 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 13 File information Comments

SHA256 hash: 1f955e253537a0481eb14314929d44936aec49ff8fb022bdf6b5b7753b1944b0
SHA3-384 hash: 770cead2bc930c8832a6dddb77457abfc77b54eaa4732aa0fd59595fff63548de53aa5178f0ff7342f9dd10e496f4375
SHA1 hash: 31284f84321ff63b6ad483b8f05782e25bf04ae8
MD5 hash: e7373f04b42b4338704fbc49256ac234
humanhash: bulldog-cardinal-mockingbird-grey
File name:Dekont_02082024.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:2'275'840 bytes
First seen:2024-08-02 12:21:12 UTC
Last seen:2024-08-02 13:25:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 18cd531cc44c9bf7f4a78c62c15c1c41 (9 x SnakeKeylogger, 6 x AgentTesla, 3 x Formbook)
ssdeep 49152:ZWiP0wV0hJ5VGx6ODJ1+YEtWX33oG1Sdlon6b:9VUczabzX
Threatray 5'570 similar samples on MalwareBazaar
TLSH T19EB5C015E3E802A4D47BC630CA699733D7B0B4592734D68B0A49D7462FF3AA19B7F312
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 abuse_ch
Tags:exe geo SnakeKeylogger TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
337
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Dekont_02082024.pdf.exe
Verdict:
No threats detected
Analysis date:
2024-08-02 12:42:18 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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint hacktool lolbin masquerade microsoft_visual_cc packed regedit remote shell32
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)
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 submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious Double Extension File Execution
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 steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1486783 Sample: Dekont_02082024.pdf.exe Startdate: 02/08/2024 Architecture: WINDOWS Score: 100 23 reallyfreegeoip.org 2->23 25 checkip.dyndns.org 2->25 27 3 other IPs or domains 2->27 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 41 11 other signatures 2->41 8 Dekont_02082024.pdf.exe 1 2->8         started        signatures3 39 Tries to detect the country of the analysis system (by using the IP) 23->39 process4 signatures5 43 Writes to foreign memory regions 8->43 45 Allocates memory in foreign processes 8->45 47 Adds a directory exclusion to Windows Defender 8->47 49 Injects a PE file into a foreign processes 8->49 11 MSBuild.exe 15 2 8->11         started        15 powershell.exe 23 8->15         started        17 conhost.exe 8->17         started        process6 dnsIp7 29 checkip.dyndns.com 132.226.8.169, 49706, 49709, 49711 UTMEMUS United States 11->29 31 reallyfreegeoip.org 188.114.96.3, 443, 49707, 49708 CLOUDFLARENETUS European Union 11->31 51 Tries to steal Mail credentials (via file / registry access) 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 55 Loading BitLocker PowerShell Module 15->55 19 WmiPrvSE.exe 15->19         started        21 conhost.exe 15->21         started        signatures8 process9
Threat name:
Win64.Spyware.Snakekeylogger
Status:
Malicious
First seen:
2024-08-02 12:22:12 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection credential_access discovery execution keylogger stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
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/bot7326718143:AAHCoPbdl01YWgtL8Z76U43CTNQwWuaC5Lk/sendMessage?chat_id=7121607304
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1f955e253537a0481eb14314929d44936aec49ff8fb022bdf6b5b7753b1944b0
MD5 hash:
e7373f04b42b4338704fbc49256ac234
SHA1 hash:
31284f84321ff63b6ad483b8f05782e25bf04ae8
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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