Static task
static1
Behavioral task
behavioral1
Sample
weboffice.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
weboffice.exe
Resource
win10v2004-20230703-en
General
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Target
weboffice.exe
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Size
258KB
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MD5
42f08f682c42869cde79859051d37064
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SHA1
22ee2cdcf92bb14be5e243e38a72f81cb7437f71
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SHA256
ccf57eff80d10c7a3d6236802e91d4f60fbe68a8cca21d670ffdb7c6c6cb897b
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SHA512
9b51e0a9575b68400befd0afddb1ca06d45e00716953c1a61fbd06bf8fc2ddf0065d2afc39e2136244c4679798ce6a8aa51b404db2f7b50ac365dde60dec05f3
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SSDEEP
3072:kd1wjt0YhWnrIdNHXjjZ+Gi09Hk+F3IXzHHE7KkxPCABPP563yG:motJhWrIzB9i09HXFAzHHEf9CAS3
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource weboffice.exe
Files
-
weboffice.exe.exe windows x86
d13a3edb1af94cd33421fe16441c3d09
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetConsoleAliasExesLengthA
InterlockedIncrement
GetConsoleAliasA
SetConsoleScreenBufferSize
GetComputerNameW
BackupSeek
FreeEnvironmentStringsA
_lclose
GetModuleHandleW
GetConsoleAliasesLengthA
GetCompressedFileSizeW
GetConsoleAliasExesW
WaitNamedPipeW
GetCommandLineA
GetDriveTypeA
GetVolumePathNameW
ActivateActCtx
GlobalAlloc
SetFileShortNameW
LoadLibraryW
FatalAppExitW
ReadConsoleInputA
GetPrivateProfileStructW
DeleteVolumeMountPointW
GetFileAttributesA
WritePrivateProfileSectionW
TerminateProcess
GetOverlappedResult
GetNamedPipeHandleStateW
GetPrivateProfileIntW
GetLastError
GetCurrentDirectoryW
_llseek
ReadConsoleOutputCharacterA
GetProcAddress
HeapSize
MoveFileW
RemoveDirectoryA
SetStdHandle
InterlockedExchangeAdd
OpenWaitableTimerW
BuildCommDCBAndTimeoutsW
FindFirstVolumeMountPointW
SetConsoleCtrlHandler
GetNumberFormatW
GetProfileStringA
FoldStringW
FindNextFileA
EnumDateFormatsA
_lread
CreateMailslotA
GetStringTypeW
GetCurrentDirectoryA
DeleteCriticalSection
GetShortPathNameW
SetCalendarInfoA
OpenSemaphoreW
ReadConsoleInputW
GetWindowsDirectoryW
FindFirstVolumeW
DeleteFileW
EnumSystemLocalesW
CreateFileW
CloseHandle
DeleteFileA
MoveFileExA
GetPrivateProfileSectionNamesW
GetFileSize
SetLastError
GetVolumeNameForVolumeMountPointA
InterlockedDecrement
Sleep
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
EncodePointer
DecodePointer
MoveFileA
WideCharToMultiByte
HeapAlloc
ExitProcess
MultiByteToWideChar
HeapReAlloc
HeapSetInformation
GetStartupInfoW
HeapFree
RtlUnwind
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetCurrentThreadId
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetCurrentProcess
SetHandleCount
GetStdHandle
InitializeCriticalSectionAndSpinCount
GetFileType
WriteFile
GetModuleFileNameW
HeapCreate
RaiseException
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
IsProcessorFeaturePresent
LCMapStringW
SetFilePointer
GetConsoleCP
GetConsoleMode
FlushFileBuffers
WriteConsoleW
ReadFile
user32
CharUpperW
CharUpperBuffW
gdi32
GetCharWidthA
GetCharWidthFloatW
advapi32
ReadEventLogA
Sections
.text Size: 157KB - Virtual size: 156KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 77KB - Virtual size: 560KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 23KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ