dropper[.]exe | Triage

Sharing

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General

Target

dropper.exe
Size

117KB
MD5

1a3241f3ec6e7a494a144695de867156
SHA1

0015643cb930f30e8b4e2c94f32d62b1ee6674e4
SHA256

17990181f5f4303c31ee6ffc19d28a7eaf143a1d34ea4de39e568851b95ff0bc
SHA512

fe0dcb5235db348dbf1806d8eb7e92b8189be60298a78a42c616e2e07ab781d1056eaa36d494200fc42fa1a5184a3a156610d49d6236f17009b183ab9d4f95f5
SSDEEP

1536:MfHg26ixadXhBoYKVwTe/W40xWxaXx4QkPJu6LFTRjmxzAWMT3rPrS1zOJBiWuuH:oAFdXIYMwTe/W40UFE47

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
dropper.exe

Files

dropper.exe
.exe windows:4 windows x64 arch:x64

efdbc783bb236e141b862095fa7d00aa

Headers

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

Imports

msvcrt

memset
memcpy
malloc
free
strncpy
strncmp
_strnicmp
strlen
strcmp
memmove
sprintf

kernel32

GetModuleHandleA
HeapCreate
RemoveDirectoryA
GetShortPathNameA
HeapDestroy
ExitProcess
GetTempFileNameA
FindResourceA
LoadResource
SizeofResource
GetExitCodeProcess
HeapFree
HeapAlloc
LoadLibraryA
GetProcAddress
FreeLibrary
GetCurrentThreadId
GetCurrentProcessId
InitializeCriticalSection
GetCommandLineA
GetModuleFileNameA
GetEnvironmentVariableA
SetEnvironmentVariableA
CloseHandle
GetCurrentProcess
TerminateProcess
RtlLookupFunctionEntry
RtlVirtualUnwind
RemoveVectoredExceptionHandler
AddVectoredExceptionHandler
GetVersionExA
Sleep
HeapReAlloc
EnterCriticalSection
LeaveCriticalSection
SetLastError
GetCurrentDirectoryA
SetCurrentDirectoryA
DeleteFileA
GetTempPathA
CreateDirectoryA
WriteFile
CreateFileA
SetFilePointer
ReadFile

ole32

CoInitialize
CoTaskMemFree
RevokeDragDrop

shell32

ShellExecuteExA

shlwapi

PathQuoteSpacesA

user32

MessageBoxA
SendMessageA
GetWindowThreadProcessId
IsWindowVisible
IsWindowEnabled
GetForegroundWindow
EnableWindow
EnumWindows
DestroyWindow
GetSysColor
GetSysColorBrush
CreateWindowExA
GetWindowLongPtrA
PostMessageA
CallWindowProcA
SetWindowLongPtrA
SetFocus
GetWindowTextLengthA
GetWindowTextA
RedrawWindow
RemovePropA
DefWindowProcA
SetPropA
GetPropA
GetParent
GetWindow
SetActiveWindow
UnregisterClassA
DestroyAcceleratorTable
LoadIconA
LoadCursorA
RegisterClassA
AdjustWindowRect
GetSystemMetrics
GetActiveWindow
GetWindowRect
ShowWindow
CreateAcceleratorTableA
PeekMessageA
MsgWaitForMultipleObjects
GetMessageA
TranslateAcceleratorA
TranslateMessage
DispatchMessageA
SetCursorPos
LoadImageA
SetCursor
MapWindowPoints
MoveWindow
SystemParametersInfoA
GetKeyState
SetCapture
GetCursorPos
ReleaseCapture
EnumChildWindows
GetClientRect
FillRect
DefFrameProcA
GetFocus
IsChild
GetClassNameA

gdi32

GetStockObject
SetTextColor
SetBkColor
CreateSolidBrush
DeleteObject

comctl32

InitCommonControls
InitCommonControlsEx

Sections

.code
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.pdata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 68KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

efdbc783bb236e141b862095fa7d00aa

Headers

File Characteristics

Imports

msvcrt

kernel32

ole32

shell32

shlwapi

user32

gdi32

comctl32

Sections

.code Size: 10KB - Virtual size: 10KB

.text Size: 26KB - Virtual size: 26KB

.pdata Size: 2KB - Virtual size: 1KB

.rdata Size: 3KB - Virtual size: 3KB

.data Size: 5KB - Virtual size: 7KB

.rsrc Size: 68KB - Virtual size: 68KB

.code
Size: 10KB - Virtual size: 10KB

.text
Size: 26KB - Virtual size: 26KB

.pdata
Size: 2KB - Virtual size: 1KB

.rdata
Size: 3KB - Virtual size: 3KB

.data
Size: 5KB - Virtual size: 7KB

.rsrc
Size: 68KB - Virtual size: 68KB