Static task
static1
Behavioral task
behavioral1
Sample
LockBit (1).rar
Resource
win11-20241007-en
General
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Target
LockBit (1).rar
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Size
3.0MB
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MD5
f609b57eb9d64194112786c5411c8f2e
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SHA1
841b0eb93a9be59d4a4468330e915504ee9a5aee
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SHA256
f2363a572a7d408e1ea2a04fd2f5a23cd7c42db67d5111bf9a7541ab9f005ec9
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SHA512
577c83c0113d64d02e549661daade9e6d8bdd5360cc01d5d02325dd167f02fd3900ee186f8dabe9a5a250e2fc4a44ebb82ef136f4e0177b1b64c2d18f6835b41
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SSDEEP
98304:atRx753lm2dF+2dFdE2dFPINGokC8FH8NZjvN:atRxFlmeF+eF+eFwN4VQZjvN
Malware Config
Signatures
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Unsigned PE 4 IoCs
Checks for missing Authenticode signature.
resource unpack001/Debug/decryptor.exe unpack001/Release/decryptor.exe unpack001/builder.exe unpack001/decryptor/decryptor.exe
Files
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LockBit (1).rar.rar
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Debug/decryptor.exe.exe windows:6 windows x86 arch:x86
73011e4ba8dc0b0dfec2e41202c785bd
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
shell32
ExtractIconExA
ord137
user32
CallMsgFilterA
advapi32
AreAnyAccessesGranted
kernel32
GetProcessHeap
SetStdHandle
HeapSize
CreateFileW
UnhandledExceptionFilter
FreeConsole
CloseHandle
GetCurrentThreadId
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
WideCharToMultiByte
LCMapStringEx
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
GetStringTypeW
GetCPInfo
IsProcessorFeaturePresent
WriteConsoleW
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
SetEnvironmentVariableW
RaiseException
RtlUnwind
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
Sections
.text Size: 141KB - Virtual size: 140KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 53KB - Virtual size: 53KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 460KB - Virtual size: 463KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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Debug/decryptor.ilk
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Debug/decryptor.pdb
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Release/R3ADM3.txt
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Release/decryptor.exe.exe windows:6 windows x86 arch:x86
73011e4ba8dc0b0dfec2e41202c785bd
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
shell32
ExtractIconExA
ord137
user32
CallMsgFilterA
advapi32
AreAnyAccessesGranted
kernel32
GetProcessHeap
SetStdHandle
HeapSize
CreateFileW
UnhandledExceptionFilter
FreeConsole
CloseHandle
GetCurrentThreadId
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
WideCharToMultiByte
LCMapStringEx
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
GetStringTypeW
GetCPInfo
IsProcessorFeaturePresent
WriteConsoleW
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
SetEnvironmentVariableW
RaiseException
RtlUnwind
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
Sections
.text Size: 141KB - Virtual size: 140KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 53KB - Virtual size: 53KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 460KB - Virtual size: 463KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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Release/decryptor.iobj
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Release/decryptor.ipdb
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Release/decryptor.pdb
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builder.exe.exe windows:6 windows x86 arch:x86
73011e4ba8dc0b0dfec2e41202c785bd
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
shell32
ExtractIconExA
ord137
user32
CallMsgFilterA
advapi32
AreAnyAccessesGranted
kernel32
GetProcessHeap
SetStdHandle
HeapSize
CreateFileW
UnhandledExceptionFilter
FreeConsole
CloseHandle
GetCurrentThreadId
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
WideCharToMultiByte
LCMapStringEx
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
GetStringTypeW
GetCPInfo
IsProcessorFeaturePresent
WriteConsoleW
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
SetEnvironmentVariableW
RaiseException
RtlUnwind
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
Sections
.text Size: 141KB - Virtual size: 140KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 53KB - Virtual size: 53KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 460KB - Virtual size: 463KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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builder/builder.vcxproj.xml
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builder/builder.vcxproj.filters
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builder/builder.vcxproj.user
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decryptor/decryptor.exe.exe windows:6 windows x86 arch:x86
73011e4ba8dc0b0dfec2e41202c785bd
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
shell32
ExtractIconExA
ord137
user32
CallMsgFilterA
advapi32
AreAnyAccessesGranted
kernel32
GetProcessHeap
SetStdHandle
HeapSize
CreateFileW
UnhandledExceptionFilter
FreeConsole
CloseHandle
GetCurrentThreadId
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
WideCharToMultiByte
LCMapStringEx
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
GetStringTypeW
GetCPInfo
IsProcessorFeaturePresent
WriteConsoleW
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
SetEnvironmentVariableW
RaiseException
RtlUnwind
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
Sections
.text Size: 141KB - Virtual size: 140KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 53KB - Virtual size: 53KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 460KB - Virtual size: 463KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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decryptor/decryptor.ilk
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decryptor/decryptor.pdb
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locker/Debug/locker.Build.CppClean.log
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locker/Debug/locker.log
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locker/Debug/vc142.idb
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locker/Debug/vc142.pdb
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locker/GetApi.h
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locker/MetaRandom2.h
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locker/MetaString.h
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locker/Release/locker.Build.CppClean.log
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locker/Release/locker.log
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locker/Release/vc140.pdb
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locker/antihook/antihooks.h
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locker/api.h
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locker/chacha20/chacha.c
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locker/chacha20/chacha.h
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locker/chacha20/ecrypt-config.h
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locker/chacha20/ecrypt-machine.h
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locker/chacha20/ecrypt-portable.h
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locker/chacha20/ecrypt-sync.h
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locker/common.h
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locker/filesystem.h
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locker/global_parameters.h
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locker/hash.h
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locker/locker.h
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locker/locker.vcxproj.xml
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locker/locker.vcxproj.filters
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locker/locker.vcxproj.user
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locker/logs.h
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locker/memory.h
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locker/network_scanner.h
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locker/ntdll.h
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locker/process_killer.h
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locker/queue.h
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locker/threadpool.h