Static task
static1
Behavioral task
behavioral1
Sample
Lewis-2.2.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Lewis-2.2.exe
Resource
win10v2004-20240802-en
General
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Target
Lewis-2.2.exe.vir
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Size
17.7MB
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MD5
a760b2aca4557dbbc4f570f3b1ba752a
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SHA1
d8fda8ecf1288a862b29013951ee37baa599a029
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SHA256
9540ed8a466d24e8af856223bc21f757aa27b3bbea7dcb01add2846cede2ff44
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SHA512
482a0b190312c19857da627b223a98e0260d1e80d15af7a622cc82b5eaee596ba8faadadadf1c85b6ae260c47e0339ff8675828ddf7064c3f1a08247ff48ee6b
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SSDEEP
393216:PFREH0zhgJwsBmw97Le7jnnlGg4rKTYyH25JQZePHDKZE5Mf:PFRHzwwxwN6nnIVzyH2Y0PHD15G
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Lewis-2.2.exe.vir
Files
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Lewis-2.2.exe.vir.exe windows:5 windows x86 arch:x86
1ff847646487d56f85778df99ff3728a
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
kernel32
_lclose
GetModuleFileNameA
_lread
_llseek
_lopen
_lwrite
_lcreat
CreateDirectoryA
SetCurrentDirectoryA
lstrcatA
FreeLibrary
GetProcAddress
LoadLibraryA
GetDiskFreeSpaceA
GetFileAttributesA
RemoveDirectoryA
DeleteFileA
lstrlenA
GetCurrentDirectoryA
CloseHandle
GetExitCodeProcess
GetLastError
LocalFree
GetCurrentProcess
MoveFileExA
Sleep
GetStringTypeW
MultiByteToWideChar
LCMapStringW
HeapReAlloc
RtlUnwind
HeapSize
lstrcpyA
GetTempPathA
CompareStringA
IsValidCodePage
GetOEMCP
GetModuleHandleW
ExitProcess
DecodePointer
HeapFree
HeapAlloc
GetCommandLineA
HeapSetInformation
GetStartupInfoW
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
EncodePointer
LoadLibraryW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
WriteFile
GetStdHandle
GetModuleFileNameW
IsProcessorFeaturePresent
HeapCreate
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
GetFileType
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
GetCPInfo
GetACP
user32
TranslateMessage
DispatchMessageA
PeekMessageA
wsprintfA
LoadCursorA
SetCursor
MessageBoxA
MsgWaitForMultipleObjects
advapi32
GetTokenInformation
OpenProcessToken
shell32
ShellExecuteExA
Sections
.text Size: 22KB - Virtual size: 21KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 119KB - Virtual size: 119KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ