ServerLoader[.]exe

Sharing

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General

Target

ServerLoader.exe
Size

10.5MB
MD5

520a5f5254085e7a771b9c054a94d1a0
SHA1

49aabe37476f8341413086094b4bfed54f60a1fc
SHA256

77c8d3b38aa366ae00406c12704d8b715d18a378981869e9dde242e3933bba4b
SHA512

79e76871b63bcafe13bb69cc4542a263289da1efc0ea4a4c1b138248e2639a881c36ec65928fdcc968970e81f04c93cd07b19c3d968b3dca2e56b591e0993ff8
SSDEEP

196608:6XWyDNYVKhtzhQxGir84zg+gQV/1UyaqzGdNCbrQEwEQJctXOktmmLdd:6XWyDNYVKhtzhQxGir84zg+gQV/1Jbv7

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ServerLoader.exe

Files

ServerLoader.exe
.exe windows:5 windows x86 arch:x86

8da7b04221d5b399e12e2606d0c32776

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Imports

winspool.drv

DocumentPropertiesW
ClosePrinter
OpenPrinterW
GetDefaultPrinterW
EnumPrintersW

comctl32

ImageList_GetImageInfo
FlatSB_SetScrollInfo
InitCommonControls
ImageList_DragMove
ImageList_Destroy
_TrackMouseEvent
ImageList_DragShowNolock
ImageList_Add
FlatSB_SetScrollProp
ImageList_GetDragImage
ImageList_Create
ImageList_EndDrag
ImageList_DrawEx
ImageList_SetImageCount
FlatSB_GetScrollPos
FlatSB_SetScrollPos
InitializeFlatSB
ImageList_Copy
FlatSB_GetScrollInfo
ImageList_Write
ImageList_SetBkColor
ImageList_GetBkColor
ImageList_BeginDrag
ImageList_GetIcon
ImageList_Replace
ImageList_GetImageCount
ImageList_DragEnter
ImageList_GetIconSize
ImageList_SetIconSize
ImageList_Read
ImageList_DragLeave
ImageList_LoadImageW
ImageList_Draw
ImageList_Remove
ImageList_ReplaceIcon
ImageList_SetOverlayImage

shell32

ExtractIconW
SHGetMalloc
SHGetDesktopFolder
SHGetSpecialFolderLocation
Shell_NotifyIconW
ShellExecuteW
ShellExecuteExW

user32

CopyImage
MoveWindow
SetMenuItemInfoW
GetMenuItemInfoW
SetCaretPos
GetCaretPos
DefFrameProcW
ScrollWindowEx
GetDlgCtrlID
FrameRect
RegisterWindowMessageW
GetMenuStringW
FillRect
SendMessageA
IsClipboardFormatAvailable
EnumWindows
ShowOwnedPopups
GetClassInfoExW
GetClassInfoW
GetScrollRange
SetActiveWindow
GetActiveWindow
DrawEdge
GetKeyboardLayoutList
OemToCharBuffA
LoadBitmapW
EnumChildWindows
GetScrollBarInfo
UnhookWindowsHookEx
SetCapture
GetCapture
ShowCaret
CreatePopupMenu
GetMenuItemID
DestroyCaret
CharLowerBuffW
PostMessageW
SetWindowLongW
IsZoomed
SetParent
DrawMenuBar
GetClientRect
IsChild
IsIconic
CallNextHookEx
ShowWindow
SetForegroundWindow
GetWindowTextW
GetAsyncKeyState
GetWindowTextLengthW
IsDialogMessageW
DestroyWindow
RegisterClassW
EndMenu
CharNextW
GetFocus
GetDC
SetFocus
ReleaseDC
GetClassLongW
CharToOemBuffA
SetScrollRange
DrawTextW
PeekMessageA
MessageBeep
SetClassLongW
RemovePropW
GetSubMenu
DestroyIcon
IsWindowVisible
PtInRect
DispatchMessageA
UnregisterClassW
GetTopWindow
SendMessageW
GetMessageTime
GetComboBoxInfo
LoadStringW
CreateMenu
CharLowerW
SetWindowRgn
SetWindowPos
GetWindowRgn
GetMenuItemCount
GetSysColorBrush
GetWindowDC
DrawTextExW
CharLowerBuffA
EnumClipboardFormats
GetScrollInfo
SetWindowTextW
GetMessageExtraInfo
GetSysColor
EnableScrollBar
TrackPopupMenu
DrawIconEx
GetClassNameW
GetMessagePos
GetIconInfo
SetScrollInfo
GetKeyNameTextW
GetDesktopWindow
SetCursorPos
GetCursorPos
SetMenu
GetMenuState
GetMenu
SetRect
GetKeyState
IsRectEmpty
ValidateRect
IsCharAlphaW
GetCursor
CopyRect
KillTimer
WaitMessage
TranslateMDISysAccel
GetWindowPlacement
CreateIconIndirect
GetMenuItemRect
CreateWindowExW
GetDCEx
PeekMessageW
MonitorFromWindow
MessageBoxA
SetTimer
WindowFromPoint
BeginPaint
RegisterClipboardFormatW
MapVirtualKeyW
OffsetRect
IsWindowUnicode
CharToOemA
DispatchMessageW
CreateAcceleratorTableW
DefMDIChildProcW
GetSystemMenu
SetScrollPos
GetScrollPos
InflateRect
DrawFocusRect
ReleaseCapture
LoadCursorW
ScrollWindow
GetLastActivePopup
MessageBoxIndirectW
GetSystemMetrics
CharUpperBuffW
ClientToScreen
SetClipboardData
GetClipboardData
SetWindowPlacement
GetMonitorInfoW
CheckMenuItem
CharUpperW
DefWindowProcW
GetForegroundWindow
EnableWindow
GetWindowThreadProcessId
RedrawWindow
EndPaint
MsgWaitForMultipleObjectsEx
LoadKeyboardLayoutW
ActivateKeyboardLayout
GetParent
CreateCaret
MonitorFromRect
InsertMenuItemW
GetPropW
MessageBoxW
SetPropW
UpdateWindow
MsgWaitForMultipleObjects
OemToCharA
DestroyMenu
SetWindowsHookExW
GetDoubleClickTime
EmptyClipboard
GetDlgItem
AdjustWindowRectEx
IsWindow
DrawIcon
EnumThreadWindows
InvalidateRect
SetKeyboardState
GetKeyboardState
ScreenToClient
DrawFrameControl
IsCharAlphaNumericW
WindowFromDC
SetCursor
CreateIcon
RemoveMenu
GetKeyboardLayoutNameW
OpenClipboard
TranslateMessage
MapWindowPoints
EnumDisplayMonitors
CallWindowProcW
CountClipboardFormats
CloseClipboard
DestroyCursor
CharUpperBuffA
CopyIcon
PostQuitMessage
ShowScrollBar
EnableMenuItem
HideCaret
FindWindowExW
MonitorFromPoint
LoadIconW
SystemParametersInfoW
GetWindow
GetWindowLongW
GetWindowRect
InsertMenuW
IsWindowEnabled
IsDialogMessageA
FindWindowW
GetKeyboardLayout
DeleteMenu

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

oleaut32

SysFreeString
VariantClear
VariantInit
GetErrorInfo
SysReAllocStringLen
SafeArrayCreate
SysAllocStringLen
SafeArrayPtrOfIndex
SafeArrayGetUBound
SafeArrayGetLBound
VariantCopy
VariantChangeType

advapi32

RegSetValueExW
RegConnectRegistryW
RegEnumKeyExW
RegLoadKeyW
AdjustTokenPrivileges
RegDeleteKeyW
LookupPrivilegeValueW
OpenProcessToken
RegOpenKeyExW
RegQueryInfoKeyW
RegUnLoadKeyW
RegSaveKeyW
RegDeleteValueW
RegReplaceKeyW
RegFlushKey
RegQueryValueExW
RegEnumValueW
RegCloseKey
RegCreateKeyExW
RegRestoreKeyW

netapi32

NetWkstaGetInfo
NetApiBufferFree

msvcrt

isupper
isalpha
isalnum
toupper
memchr
memcmp
memcpy
memset
isprint
isspace
iscntrl
isxdigit
ispunct
isgraph
islower
tolower

kernel32

SetFileAttributesW
GetFileType
SetFileTime
QueryDosDeviceW
GetACP
CloseHandle
LocalFree
GetCurrentProcessId
SizeofResource
VirtualProtect
ReadProcessMemory
QueryPerformanceFrequency
IsDebuggerPresent
FindNextFileW
GetFullPathNameW
VirtualFree
HeapAlloc
ExitProcess
FindNextChangeNotification
GetCPInfoExW
GlobalSize
WriteProcessMemory
RtlUnwind
GetCPInfo
EnumSystemLocalesW
GetStdHandle
GetTimeZoneInformation
FileTimeToLocalFileTime
GetModuleHandleW
FreeLibrary
TryEnterCriticalSection
HeapDestroy
FileTimeToDosDateTime
ReadFile
DosDateTimeToFileTime
GetUserDefaultLCID
CreateProcessW
HeapSize
GetLastError
GetModuleFileNameW
SetLastError
GlobalAlloc
GlobalUnlock
FindResourceW
CreateThread
CompareStringW
CopyFileW
MapViewOfFile
CreateMutexW
LoadLibraryA
GetVolumeInformationW
ResetEvent
MulDiv
FreeResource
GetDriveTypeW
GetVersion
RaiseException
MoveFileW
GlobalAddAtomW
FindFirstChangeNotificationW
FormatMessageW
OpenProcess
SwitchToThread
GetExitCodeThread
GetCurrentThread
LocalFileTimeToFileTime
GetFileAttributesExW
LockResource
LoadLibraryExW
TerminateProcess
GetCurrentThreadId
UnhandledExceptionFilter
GlobalFindAtomW
VirtualQuery
GlobalFree
VirtualQueryEx
Sleep
SetVolumeLabelW
EnterCriticalSection
SetFilePointer
ReleaseMutex
FlushFileBuffers
LoadResource
SuspendThread
GetTickCount
WaitForMultipleObjects
GetTempFileNameW
GetFileSize
GlobalDeleteAtom
GetStartupInfoW
GetFileAttributesW
GetCurrentDirectoryW
SetCurrentDirectoryW
InitializeCriticalSection
GetThreadPriority
GetCurrentProcess
GlobalLock
SetThreadPriority
VirtualAlloc
GetTempPathW
GetCommandLineW
GetSystemInfo
LeaveCriticalSection
GetProcAddress
ResumeThread
VirtualAllocEx
GetLogicalDriveStringsW
WinExec
GetVersionExW
VerifyVersionInfoW
HeapCreate
GetDiskFreeSpaceW
VerSetConditionMask
FindFirstFileW
GetUserDefaultUILanguage
GetConsoleOutputCP
UnmapViewOfFile
GetConsoleCP
lstrlenW
SetEndOfFile
QueryPerformanceCounter
lstrcmpW
HeapFree
WideCharToMultiByte
FindClose
MultiByteToWideChar
LoadLibraryW
SetEvent
GetLocaleInfoW
CreateFileW
EnumResourceNamesW
DeleteFileW
IsDBCSLeadByteEx
FindCloseChangeNotification
GetEnvironmentVariableW
GetLocalTime
WaitForSingleObject
SetLocalTime
WriteFile
CreateFileMappingW
ExitThread
CreatePipe
DeleteCriticalSection
GetDateFormatW
TlsGetValue
SetErrorMode
GetComputerNameW
IsValidLocale
TlsSetValue
VirtualFreeEx
CreateDirectoryW
GetSystemDefaultUILanguage
EnumCalendarInfoW
LocalAlloc
RemoveDirectoryW
GlobalMemoryStatus
CreateEventW
WaitForMultipleObjectsEx
GetThreadLocale
SetThreadLocale

ole32

OleRegEnumVerbs
IsAccelerator
CoCreateInstance
CoUninitialize
IsEqualGUID
CreateStreamOnHGlobal
OleInitialize
OleUninitialize
CoGetClassObject
CoInitialize
CoTaskMemFree
OleDraw
CoTaskMemAlloc
OleSetMenuDescriptor

gdi32

AddFontMemResourceEx
Pie
SetBkMode
CreateCompatibleBitmap
GetEnhMetaFileHeader
CloseEnhMetaFile
RectVisible
AngleArc
ResizePalette
SetAbortProc
SetTextColor
GetTextColor
StretchBlt
RoundRect
SelectClipRgn
RestoreDC
SetRectRgn
GetTextMetricsW
GetWindowOrgEx
CreatePalette
CreateDCW
CreateICW
CreatePen
PolyBezierTo
GetStockObject
CreateSolidBrush
GetBkMode
Polygon
MoveToEx
PlayEnhMetaFile
Ellipse
StartPage
GetBitmapBits
StartDocW
AbortDoc
GetSystemPaletteEntries
GetEnhMetaFileBits
CreatePenIndirect
SetBitmapBits
GetEnhMetaFilePaletteEntries
SetMapMode
CreateFontIndirectW
PolyBezier
ExtCreatePen
GetBitmapDimensionEx
LPtoDP
EndDoc
GetObjectW
GetCurrentObject
GetWinMetaFileBits
SetROP2
GetEnhMetaFileDescriptionW
ArcTo
CreateEnhMetaFileW
Arc
SelectPalette
SetGraphicsMode
ExcludeClipRect
MaskBlt
SetWindowOrgEx
EndPage
DeleteEnhMetaFile
Chord
SetDIBits
SetViewportOrgEx
GetViewportOrgEx
CreateRectRgn
RealizePalette
SetDIBColorTable
GetDIBColorTable
GetGlyphOutlineW
CreateBrushIndirect
PatBlt
SetEnhMetaFileBits
PlgBlt
Rectangle
SaveDC
DeleteDC
BitBlt
SetWorldTransform
FrameRgn
GetDeviceCaps
GetTextExtentPoint32W
GetClipBox
Polyline
IntersectClipRect
CreateBitmap
CombineRgn
SetWinMetaFileBits
CreateDIBitmap
GetStretchBltMode
CreateDIBSection
SetStretchBltMode
GetDIBits
ExtCreateRegion
LineTo
GetRgnBox
EnumFontsW
SetWindowExtEx
CreateHalftonePalette
SelectObject
DeleteObject
ExtFloodFill
UnrealizeObject
CopyEnhMetaFileW
SetBkColor
CreateCompatibleDC
GetBrushOrgEx
GetCurrentPositionEx
GetNearestPaletteIndex
RemoveFontMemResourceEx
CreateRoundRectRgn
GetTextExtentPointW
ExtTextOutW
SetBrushOrgEx
GetPixel
GdiFlush
SetViewportExtEx
SetPixel
PolyPolyline
EnumFontFamiliesExW
StretchDIBits
GetPaletteEntries

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 5.0MB - Virtual size: 5.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 181KB - Virtual size: 180KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 110KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 158B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 84B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 93B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 386KB - Virtual size: 386KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 4.9MB - Virtual size: 4.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8da7b04221d5b399e12e2606d0c32776

Headers

File Characteristics

Imports

winspool.drv

comctl32

shell32

user32

version

oleaut32

advapi32

netapi32

msvcrt

kernel32

ole32

gdi32

Exports

Exports

Sections

.text Size: 5.0MB - Virtual size: 5.0MB

.itext Size: 25KB - Virtual size: 24KB

.data Size: 181KB - Virtual size: 180KB

.bss Size: - Virtual size: 110KB

.idata Size: 16KB - Virtual size: 15KB

.didata Size: 3KB - Virtual size: 2KB

.edata Size: 512B - Virtual size: 158B

.tls Size: - Virtual size: 84B

.rdata Size: 512B - Virtual size: 93B

.reloc Size: 386KB - Virtual size: 386KB

.rsrc Size: 4.9MB - Virtual size: 4.9MB

.text
Size: 5.0MB - Virtual size: 5.0MB

.itext
Size: 25KB - Virtual size: 24KB

.data
Size: 181KB - Virtual size: 180KB

.bss
Size: - Virtual size: 110KB

.idata
Size: 16KB - Virtual size: 15KB

.didata
Size: 3KB - Virtual size: 2KB

.edata
Size: 512B - Virtual size: 158B

.tls
Size: - Virtual size: 84B

.rdata
Size: 512B - Virtual size: 93B

.reloc
Size: 386KB - Virtual size: 386KB

.rsrc
Size: 4.9MB - Virtual size: 4.9MB