Overview
overview
10Static
static
3logs/Blue ...on.exe
windows11-21h2-x64
7logs/Green...on.exe
windows11-21h2-x64
7logs/create_dmp.bat
windows11-21h2-x64
10logs/creat...om.bat
windows11-21h2-x64
10logs/init.dll.lnk
windows11-21h2-x64
3logs/init.dll_.lnk
windows11-21h2-x64
3logs/sct.exe
windows11-21h2-x64
3logs/winlogon.exe
windows11-21h2-x64
7Behavioral task
behavioral1
Sample
logs/Blue Icon/winlogon.exe
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
logs/Green Icon/winlogon.exe
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
logs/create_dmp.bat
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
logs/create_dmp_custom.bat
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
logs/init.dll.lnk
Resource
win11-20240802-en
Behavioral task
behavioral6
Sample
logs/init.dll_.lnk
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
logs/sct.exe
Resource
win11-20240802-en
Behavioral task
behavioral8
Sample
logs/winlogon.exe
Resource
win11-20240802-en
General
-
Target
USB_Keylogger (1).rar
-
Size
14.2MB
-
MD5
1a9304b845f02716a4104dfaf38434b5
-
SHA1
5409a5dcb0e3e80e0395586e0a443438f857d55a
-
SHA256
5d74468dcd39486810b9aafdfbf76c6cc37c16217f505c0bcf74738fbe4e0cff
-
SHA512
a21ddd720cd40f6e36eb12827963456c15b8ee1663fef29ff12fa7b9639ea20357cfaaf3313f3f9e6b9b84417144bf26d55f6c1f536b8ee08b88d8a7e46da5bd
-
SSDEEP
393216:A988/nBJU3Xu+I49ZLn4B2RRi1ZIXa6Jwr0/YL3x:A97BJUO+h74IW1+q6Jwr0oh
Malware Config
Signatures
-
Detects Pyinstaller 3 IoCs
resource yara_rule static1/unpack001/logs/Blue Icon/winlogon.exe pyinstaller static1/unpack001/logs/Green Icon/winlogon.exe pyinstaller static1/unpack001/logs/winlogon.exe pyinstaller -
Unsigned PE 4 IoCs
Checks for missing Authenticode signature.
resource unpack001/logs/Blue Icon/winlogon.exe unpack001/logs/Green Icon/winlogon.exe unpack001/logs/sct.exe unpack001/logs/winlogon.exe
Files
-
USB_Keylogger (1).rar.rar
Password: 123456
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logs/Blue Icon/winlogon.exe.exe windows:5 windows x86 arch:x86
Password: 123456
91ae93ed3ff0d6f8a4f22d2edd30a58e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
user32
MessageBoxW
MessageBoxA
kernel32
SystemTimeToTzSpecificLocalTime
DecodePointer
GetLastError
SetDllDirectoryW
GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
LoadLibraryExW
GetShortPathNameW
FormatMessageW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
SetEndOfFile
HeapReAlloc
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetCommandLineA
ReadFile
CreateFileW
GetDriveTypeW
GetFileType
CloseHandle
PeekNamedPipe
RaiseException
FileTimeToSystemTime
GetFullPathNameW
GetFullPathNameA
CreateDirectoryW
RemoveDirectoryW
FindClose
FindFirstFileExW
FindNextFileW
SetStdHandle
SetConsoleCtrlHandler
DeleteFileW
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleCP
CompareStringW
LCMapStringW
GetCurrentDirectoryW
FlushFileBuffers
SetEnvironmentVariableA
GetFileAttributesExW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
GetProcessHeap
WriteConsoleW
GetTimeZoneInformation
HeapSize
ws2_32
ntohl
Sections
.text Size: 123KB - Virtual size: 122KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 44KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 57KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 512B - Virtual size: 184B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 46KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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winlogon.pyc
-
logs/Green Icon/winlogon.exe.exe windows:5 windows x86 arch:x86
Password: 123456
91ae93ed3ff0d6f8a4f22d2edd30a58e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
user32
MessageBoxW
MessageBoxA
kernel32
SystemTimeToTzSpecificLocalTime
DecodePointer
GetLastError
SetDllDirectoryW
GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
LoadLibraryExW
GetShortPathNameW
FormatMessageW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
SetEndOfFile
HeapReAlloc
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetCommandLineA
ReadFile
CreateFileW
GetDriveTypeW
GetFileType
CloseHandle
PeekNamedPipe
RaiseException
FileTimeToSystemTime
GetFullPathNameW
GetFullPathNameA
CreateDirectoryW
RemoveDirectoryW
FindClose
FindFirstFileExW
FindNextFileW
SetStdHandle
SetConsoleCtrlHandler
DeleteFileW
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleCP
CompareStringW
LCMapStringW
GetCurrentDirectoryW
FlushFileBuffers
SetEnvironmentVariableA
GetFileAttributesExW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
GetProcessHeap
WriteConsoleW
GetTimeZoneInformation
HeapSize
ws2_32
ntohl
Sections
.text Size: 123KB - Virtual size: 122KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 44KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 57KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 512B - Virtual size: 184B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 47KB - Virtual size: 47KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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winlogon.pyc
-
logs/README.txt
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logs/create_dmp.bat
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logs/create_dmp_custom.bat.bat .vbs
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logs/init.dll.lnk.lnk
-
logs/init.dll_.lnk.lnk
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logs/sct.exe.exe windows:4 windows x86 arch:x86
Password: 123456
e265050412c5676a77d4b5b67d00ecf8
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
FreeLibrary
LocalFree
FormatMessageA
LoadLibraryExA
MultiByteToWideChar
ExpandEnvironmentStringsA
SetStdHandle
SetFilePointer
FlushFileBuffers
GetLastError
LoadLibraryA
GetProcAddress
GetCommandLineA
GetVersion
ExitProcess
GetCPInfo
GetACP
GetOEMCP
WideCharToMultiByte
LCMapStringA
LCMapStringW
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
GetModuleFileNameA
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetFileType
GetStartupInfoA
GetModuleHandleA
GetEnvironmentVariableA
GetVersionExA
HeapDestroy
HeapCreate
VirtualFree
HeapFree
RtlUnwind
WriteFile
GetStringTypeA
GetStringTypeW
HeapAlloc
VirtualAlloc
HeapReAlloc
CloseHandle
user32
MapVirtualKeyA
GetKeyNameTextA
ole32
CoUninitialize
CoInitialize
CoCreateInstance
Sections
.text Size: 28KB - Virtual size: 26KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
-
logs/winlogon.exe.exe windows:5 windows x86 arch:x86
Password: 123456
91ae93ed3ff0d6f8a4f22d2edd30a58e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
user32
MessageBoxW
MessageBoxA
kernel32
SystemTimeToTzSpecificLocalTime
DecodePointer
GetLastError
SetDllDirectoryW
GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
LoadLibraryExW
GetShortPathNameW
FormatMessageW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
SetEndOfFile
HeapReAlloc
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetCommandLineA
ReadFile
CreateFileW
GetDriveTypeW
GetFileType
CloseHandle
PeekNamedPipe
RaiseException
FileTimeToSystemTime
GetFullPathNameW
GetFullPathNameA
CreateDirectoryW
RemoveDirectoryW
FindClose
FindFirstFileExW
FindNextFileW
SetStdHandle
SetConsoleCtrlHandler
DeleteFileW
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleCP
CompareStringW
LCMapStringW
GetCurrentDirectoryW
FlushFileBuffers
SetEnvironmentVariableA
GetFileAttributesExW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
GetProcessHeap
WriteConsoleW
GetTimeZoneInformation
HeapSize
ws2_32
ntohl
Sections
.text Size: 123KB - Virtual size: 122KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 44KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 57KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 512B - Virtual size: 184B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 46KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
winlogon.pyc