Static task
static1
General
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Target
GrimSkillBuild.exe
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Size
1.2MB
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MD5
019a4db88201887acea8bced72ab1b9a
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SHA1
45f46c83a2c4ebf56bef29ed453adfaaebc5535f
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SHA256
91fd138a0b0261a0a3c9f797a5e07a28c6fa5b5397a6b3329c67d307f953d243
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SHA512
ecb3dfd313b6aef7b21f8527b6dc8726839ed4136ba4f9ecb41494f72bbb7901902bd59f9dcce616486d98493872fa2e3a772aa7454cdfba7dc8fa0444b2aba2
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SSDEEP
24576:NHxwdlFlWwtCfMgVoU//Pb+xt2Lz4DVFaKqTx9Irpcwhf7SDBJIWhO1wFj49B9A4:NHxwdlFUwtCfMWoU//z+xt2LMDOKqTxq
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource GrimSkillBuild.exe
Files
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GrimSkillBuild.exe.exe windows:5 windows x64 arch:x64
a9b5160326ed68a4bb81944dabab7ed6
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
wsock32
getservbyport
ntohs
inet_addr
htonl
getservbyname
WSASetLastError
htons
WSAGetLastError
gethostbyname
ioctlsocket
gethostbyaddr
gethostname
shutdown
WSACleanup
closesocket
connect
socket
WSAStartup
send
recv
WSAAsyncSelect
inet_ntoa
winmm
waveOutGetVolume
mixerGetLineInfoW
mixerSetControlDetails
mixerGetControlDetailsW
mixerGetLineControlsW
mixerGetDevCapsW
waveOutSetVolume
mixerClose
mixerOpen
mciSendStringW
joyGetDevCapsW
joyGetPosEx
version
GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW
comctl32
ImageList_GetIconSize
ImageList_Create
ImageList_Destroy
ImageList_AddMasked
ImageList_ReplaceIcon
CreateStatusWindowW
psapi
GetModuleBaseNameW
GetProcessImageFileNameW
GetModuleFileNameExW
wininet
InternetReadFile
InternetOpenUrlW
InternetCloseHandle
InternetReadFileExA
InternetOpenW
kernel32
GlobalFree
GlobalUnlock
WideCharToMultiByte
GetSystemDirectoryA
LoadLibraryA
GetProcAddress
FreeLibrary
GetCurrentThreadId
GetEnvironmentVariableW
lstrcmpiW
GetStringTypeExW
CreateThread
SetThreadPriority
GetExitCodeThread
CloseHandle
CreateMutexW
GetLastError
LoadLibraryW
GetModuleHandleW
GetVersionExW
InitializeCriticalSection
DeleteCriticalSection
GetModuleFileNameW
GetFileAttributesW
GetFullPathNameW
GetSystemTimeAsFileTime
LoadResource
LockResource
SizeofResource
GetShortPathNameW
FindFirstFileW
FindNextFileW
FindClose
FileTimeToLocalFileTime
SetEnvironmentVariableW
Beep
MoveFileW
OutputDebugStringW
CreateProcessW
MultiByteToWideChar
GetExitCodeProcess
WriteProcessMemory
ReadProcessMemory
GetCurrentProcessId
OpenProcess
TerminateProcess
SetPriorityClass
SetLastError
GlobalAlloc
GetDateFormatW
GetTimeFormatW
GetDiskFreeSpaceExW
SetVolumeLabelW
CreateFileW
DeviceIoControl
GetDriveTypeW
GetVolumeInformationW
GetDiskFreeSpaceW
GetCurrentDirectoryW
CreateDirectoryW
ReadFile
WriteFile
DeleteFileW
CopyFileW
SetFileAttributesW
LocalFileTimeToFileTime
SetFileTime
GetFileSizeEx
GetSystemTime
GetSystemDefaultUILanguage
GetComputerNameW
GetSystemWindowsDirectoryW
GetTempPathW
EnterCriticalSection
LeaveCriticalSection
VirtualProtect
QueryDosDeviceW
CompareStringW
RemoveDirectoryW
GetCurrentProcess
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
FormatMessageW
GetPrivateProfileStringW
GetPrivateProfileSectionW
GetPrivateProfileSectionNamesW
WritePrivateProfileStringW
WritePrivateProfileSectionW
SetEndOfFile
GetACP
GetFileType
GetStdHandle
SetFilePointerEx
SystemTimeToFileTime
FileTimeToSystemTime
GetFileSize
IsWow64Process
VirtualAllocEx
VirtualFreeEx
EnumResourceNamesW
LoadLibraryExW
GlobalSize
GlobalLock
FindResourceW
SetErrorMode
GetCPInfo
SetCurrentDirectoryW
Sleep
GetTickCount
MulDiv
EncodePointer
HeapSize
HeapQueryInformation
GetCommandLineW
GetStartupInfoW
GetOEMCP
IsValidCodePage
FlsGetValue
HeapAlloc
HeapFree
HeapReAlloc
ExitProcess
DecodePointer
FlsSetValue
FlsFree
FlsAlloc
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetStringTypeW
HeapSetInformation
GetVersion
HeapCreate
InitializeCriticalSectionAndSpinCount
RtlUnwindEx
RaiseException
RtlPcToFileHeader
LCMapStringW
GetConsoleCP
GetConsoleMode
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetHandleCount
QueryPerformanceCounter
SetFilePointer
WriteConsoleW
SetStdHandle
FlushFileBuffers
GetLocalTime
GetProcessHeap
user32
SetWindowPos
SetLayeredWindowAttributes
InvalidateRect
EnableWindow
GetWindowTextLengthW
EnumWindows
IsZoomed
IsIconic
EnumDisplayMonitors
RegisterWindowMessageW
GetSysColor
GetSysColorBrush
DrawIconEx
FillRect
DefWindowProcW
SetForegroundWindow
DialogBoxParamW
SendDlgItemMessageW
GetDlgItem
SetDlgItemTextW
MessageBeep
GetCursorInfo
GetLastInputInfo
GetSystemMenu
GetMenuItemCount
GetMenuItemID
GetSubMenu
GetMenuStringW
ExitWindowsEx
SetMenu
FlashWindow
GetPropW
SetPropW
RemovePropW
MapWindowPoints
RedrawWindow
SetWindowLongPtrW
SetParent
GetClassInfoExW
DefDlgProcW
GetAncestor
UpdateWindow
GetMessagePos
GetClassLongPtrW
CallWindowProcW
CheckRadioButton
IntersectRect
GetUpdateRect
PtInRect
CreateDialogIndirectParamW
GetWindowLongPtrW
CreateAcceleratorTableW
DestroyAcceleratorTable
InsertMenuItemW
SetMenuDefaultItem
RemoveMenu
SetMenuItemInfoW
IsMenu
GetMenuItemInfoW
CreateMenu
CreatePopupMenu
SetMenuInfo
AppendMenuW
DestroyMenu
TrackPopupMenuEx
CopyImage
SetWindowRgn
CreateIconFromResourceEx
EnumClipboardFormats
GetWindow
BringWindowToTop
GetTopWindow
GetQueueStatus
CheckMenuItem
PostQuitMessage
GetIconInfo
ChangeClipboardChain
SetClipboardViewer
LoadAcceleratorsW
EnableMenuItem
GetMenu
CreateWindowExW
RegisterClassExW
LoadCursorW
DestroyIcon
DestroyWindow
IsCharAlphaW
MapVirtualKeyW
VkKeyScanExW
MapVirtualKeyExW
GetKeyboardLayoutNameW
ActivateKeyboardLayout
GetGUIThreadInfo
GetWindowTextW
mouse_event
WindowFromPoint
GetSystemMetrics
keybd_event
SetKeyboardState
GetKeyboardState
GetCursorPos
GetAsyncKeyState
AttachThreadInput
UnregisterHotKey
RegisterHotKey
SendMessageTimeoutW
UnhookWindowsHookEx
SetWindowsHookExW
PostThreadMessageW
IsCharAlphaNumericW
IsCharUpperW
IsCharLowerW
ToUnicodeEx
GetKeyboardLayout
CallNextHookEx
CharLowerW
ReleaseDC
GetDC
MessageBoxW
OpenClipboard
GetClipboardData
GetClipboardFormatNameW
CloseClipboard
SetClipboardData
EmptyClipboard
PostMessageW
FindWindowW
EndDialog
IsWindow
DispatchMessageW
TranslateMessage
ShowWindow
SetFocus
SetActiveWindow
ClientToScreen
EnumChildWindows
MoveWindow
GetWindowRect
GetMonitorInfoW
MonitorFromPoint
GetClientRect
SystemParametersInfoW
AdjustWindowRectEx
DrawTextW
CreateIconIndirect
SetRect
CountClipboardFormats
SetWindowLongW
ScreenToClient
IsDialogMessageW
SendMessageW
IsWindowEnabled
GetWindowLongW
GetKeyState
TranslateAcceleratorW
KillTimer
PeekMessageW
GetFocus
GetClassNameW
GetWindowThreadProcessId
GetForegroundWindow
GetMessageW
SetTimer
GetParent
GetDlgCtrlID
CharUpperW
IsClipboardFormatAvailable
SetWindowTextW
IsWindowVisible
LoadImageW
BlockInput
SendInput
gdi32
GdiFlush
CreateDIBSection
EnumFontFamiliesExW
SetBrushOrgEx
SetBkColor
GetPixel
BitBlt
CreatePatternBrush
SetBkMode
GetCharABCWidthsW
GetClipBox
FillRgn
GetClipRgn
ExcludeClipRect
GetDeviceCaps
DeleteObject
CreateFontW
CreateSolidBrush
CreateDCW
CreateCompatibleBitmap
GetSystemPaletteEntries
GetDIBits
CreateCompatibleDC
CreatePolygonRgn
CreateRectRgn
CreateRoundRectRgn
CreateEllipticRgn
DeleteDC
GetObjectW
GetTextMetricsW
GetTextFaceW
SelectObject
GetStockObject
SetTextColor
comdlg32
CommDlgExtendedError
GetOpenFileNameW
GetSaveFileNameW
advapi32
GetUserNameW
LockServiceDatabase
OpenSCManagerW
RegEnumKeyExW
RegEnumValueW
RegQueryInfoKeyW
RegOpenKeyExW
RegCloseKey
RegDeleteValueW
RegDeleteKeyW
RegSetValueExW
RegCreateKeyExW
RegQueryValueExW
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
CloseServiceHandle
RegConnectRegistryW
UnlockServiceDatabase
shell32
DragQueryPoint
SHEmptyRecycleBinW
SHFileOperationW
SHGetPathFromIDListW
SHBrowseForFolderW
SHGetDesktopFolder
SHGetMalloc
SHGetFolderPathW
ShellExecuteExW
Shell_NotifyIconW
DragFinish
DragQueryFileW
ExtractIconW
ole32
OleInitialize
OleUninitialize
CoCreateInstance
CoInitialize
CoUninitialize
CLSIDFromString
CLSIDFromProgID
CoGetObject
StringFromGUID2
CreateStreamOnHGlobal
oleaut32
OleLoadPicture
SafeArrayUnaccessData
SafeArrayGetElemsize
SafeArrayAccessData
SafeArrayUnlock
SafeArrayDestroy
GetActiveObject
SysStringLen
SysFreeString
SafeArrayCreate
VariantClear
VariantChangeType
SysAllocString
SafeArrayCopy
VariantCopyInd
SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayGetDim
SafeArrayLock
SafeArrayPtrOfIndex
Sections
.text Size: 948KB - Virtual size: 947KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 210KB - Virtual size: 210KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 20KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 33KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
text Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
data Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 27KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ