Static task
static1
Behavioral task
behavioral1
Sample
skyweb.sfx.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
skyweb.sfx.exe
Resource
win10v2004-20230220-en
General
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Target
skyweb.sfx.exe
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Size
28.4MB
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MD5
ffc58dbb55843d67eac7e12ea4db66f2
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SHA1
af95c3e781cfc5cca5756fddbd789e9b25ea90f1
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SHA256
e11562cc2bf9051e671a1536a72783f41696190f3a881fc8936e319a3de5ee7c
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SHA512
067d20312066c5359ee2bac97b273b2bc867521a601d4afd423b5ff33b7e6128440217ed31614034b98dabc1a97d6772e1d5bfa6cfebf118ee1efd26c9c10e38
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SSDEEP
786432:1S1qdraybgSNC7p94bkP3Oy4VicnsYMaCqWwMLZQt:Fs4gx994bAO5Y6aakwMF2
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource skyweb.sfx.exe
Files
-
skyweb.sfx.exe.exe windows x86
80a771b755d4becb986453369000305c
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
oleaut32
SysFreeString
SysAllocStringLen
SysAllocString
VariantClear
SysStringLen
ole32
CoCreateInstance
CoInitialize
CoUninitialize
OleInitialize
user32
CheckDlgButton
IsDlgButtonChecked
EndDialog
SetDlgItemTextW
GetFocus
SetFocus
GetKeyState
InvalidateRect
SetWindowTextW
EnableWindow
PostMessageW
MessageBoxW
SetTimer
DialogBoxParamW
SetWindowLongW
GetWindowLongW
ShowWindow
MoveWindow
ScreenToClient
GetDlgItem
GetWindowRect
MapDialogRect
SystemParametersInfoW
GetWindowTextLengthW
GetWindowTextW
SendMessageW
LoadStringW
CharUpperW
LoadIconW
GetParent
SetCursor
LoadCursorW
KillTimer
shell32
SHGetPathFromIDListW
SHBrowseForFolderW
SHGetFileInfoW
SHGetMalloc
msvcrt
wcscmp
strlen
_beginthreadex
_except_handler3
??1type_info@@UAE@XZ
?terminate@@YAXXZ
__dllonexit
_onexit
_exit
_XcptFilter
exit
_acmdln
__getmainargs
_initterm
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
_controlfp
free
_CxxThrowException
malloc
memcpy
memmove
memset
_purecall
memcmp
__CxxFrameHandler
wcsstr
kernel32
GetStartupInfoA
InitializeCriticalSection
ReleaseSemaphore
CreateSemaphoreW
ResetEvent
SetEvent
CreateEventW
WaitForSingleObject
lstrlenW
lstrcatW
IsProcessorFeaturePresent
VirtualFree
VirtualAlloc
SetPriorityClass
WaitForMultipleObjects
DeleteCriticalSection
Sleep
EnterCriticalSection
LeaveCriticalSection
GetStdHandle
GlobalMemoryStatus
GetSystemInfo
GetCurrentProcess
GetProcessAffinityMask
FileTimeToLocalFileTime
FileTimeToSystemTime
CompareFileTime
SetEndOfFile
WriteFile
ReadFile
SetFilePointer
GetFileSize
GetLogicalDriveStringsW
GetFileInformationByHandle
GetFileAttributesW
GetModuleHandleA
FindNextFileW
FindFirstFileW
FindClose
GetTickCount
GetCurrentDirectoryW
SetLastError
DeleteFileW
CreateDirectoryW
GetModuleHandleW
MoveFileW
RemoveDirectoryW
SetFileAttributesW
CreateFileW
SetFileTime
CloseHandle
GetSystemDirectoryW
LocalFree
GetModuleFileNameW
LoadLibraryExW
MultiByteToWideChar
GetLastError
LoadLibraryW
GetProcAddress
FreeLibrary
GetCommandLineW
GetVersionExW
FormatMessageW
Sections
.text Size: 168KB - Virtual size: 168KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 26KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.sxdata Size: 512B - Virtual size: 4B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ