devldr[.]exe | Triage

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General

Target

devldr.exe
Size

948KB
MD5

1ff725ecca7207bc9ffd9ee8a08d8059
SHA1

905bc74cd5555c76e93e22d196b75290e9ac748f
SHA256

97843f28da11cef5c4beb66ae8ec12892b35c0810b6f21e7c4f881dc56a3bcef
SHA512

4f8e416a4d997e344c69eead936717f27e0123055f2868b4eca4e01c41d2cc747a2143b854a1fa56ee483d10597edc467f770b14f6e6ff116779a56e9dd2ee4e
SSDEEP

24576:CdZjSZHElaTW2tcigdXqSNLtTLQDQYEd2AcsQ:gBHj76E5vQkYns

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
devldr.exe

Files

devldr.exe
.exe windows:6 windows x86 arch:x86

5047801ed1877e0cd5cb9c2ecec3de36

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

memchr
atoi
_wcslwr
__libm_sse2_sinf
atof
_CIfmod
_stricmp
strstr
strrchr
sscanf
_wcsnicmp
free
malloc
realloc
strtoul
_vsnprintf_s
_strlwr
ceil
memmove
system
strchr
_purecall
memcpy
wcsrchr
memset

kernel32

GlobalFree
GlobalLock
GlobalUnlock
GlobalAlloc
LeaveCriticalSection
EnterCriticalSection
RtlCaptureContext
GetCurrentDirectoryA
CreateFileW
GetVolumeInformationW
CloseHandle
GetLastError
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
MoveFileW
GetCommandLineA
ExitProcess
GetProcAddress
GetModuleFileNameA
GetFileSize
ReadFile
Sleep
CreateDirectoryW
DeleteFileW
GetProcessTimes
OpenProcess
HeapAlloc
HeapFree
GetProcessHeap
Wow64EnableWow64FsRedirection
ContinueDebugEvent
DebugActiveProcess
DebugActiveProcessStop
WaitForDebugEventEx
CreateThread
OpenThread
GetThreadContext
GetSystemTimePreciseAsFileTime
ReadProcessMemory
DebugSetProcessKillOnExit
FindClose
FindFirstFileA
FindNextFileA
GetModuleHandleW
GetCurrentProcessId
QueryPerformanceCounter
QueryPerformanceFrequency
FindFirstFileW
FindNextFileW
GetFileTime
GetCurrentDirectoryW
WriteFile

user32

UpdateWindow
AdjustWindowRectEx
GetWindowLongA
SetWindowLongA
LoadCursorW
DefWindowProcW
GetClientRect
MessageBoxA
ScreenToClient
PtInRect
CallWindowProcW
GetForegroundWindow
GetCursorPos
GetWindowLongW
SetWindowLongW
SetCapture
ShowWindow
DestroyWindow
GetDesktopWindow
GetWindowRect
PeekMessageW
DispatchMessageW
TranslateMessage
SetProcessDPIAware
CreateWindowExW
GetWindowThreadProcessId
SendMessageTimeoutW
OpenClipboard
CloseClipboard
SetClipboardData
GetClipboardData
EmptyClipboard
IsClipboardFormatAvailable
IsIconic
GetRawInputData
RegisterClassExW
GetClassNameW
EnumWindows
GetWindowTextW
SetWindowPos

gdi32

AddFontMemResourceEx
CreateCompatibleDC
CreateFontA
DeleteDC
DeleteObject
GetGlyphOutlineW
GetTextExtentPoint32W
RemoveFontMemResourceEx
GetFontUnicodeRanges
SelectObject
SetBkColor
SetMapMode
SetTextColor
SetTextAlign
CreateDIBSection
ExtTextOutW

shell32

ShellExecuteW

ntdll

NtQueryVirtualMemory
NtAllocateVirtualMemory
NtQueryInformationThread
RtlAdjustPrivilege
NtDelayExecution
NtFreeVirtualMemory
NtQueryInformationProcess
NtClose
NtQuerySystemInformation
RtlFreeHeap
RtlAllocateHeap
NtCreateFile
NtOpenProcess
NtTerminateProcess

psapi

GetModuleFileNameExA

capstone

cs_malloc
cs_open
cs_close
cs_option
cs_free
cs_disasm_iter

d3d9

Direct3DCreate9Ex

dwmapi

DwmExtendFrameIntoClientArea
DwmSetWindowAttribute

Sections

.text
Size: 466KB - Virtual size: 465KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.init
Size: 1024B - Virtual size: 522B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 288KB - Virtual size: 287KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 173KB - Virtual size: 172KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5047801ed1877e0cd5cb9c2ecec3de36

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

kernel32

user32

gdi32

shell32

ntdll

psapi

capstone

d3d9

dwmapi

Sections

.text Size: 466KB - Virtual size: 465KB

.init Size: 1024B - Virtual size: 522B

.rdata Size: 288KB - Virtual size: 287KB

.data Size: 11KB - Virtual size: 11KB

.rsrc Size: 173KB - Virtual size: 172KB

.reloc Size: 8KB - Virtual size: 8KB

.text
Size: 466KB - Virtual size: 465KB

.init
Size: 1024B - Virtual size: 522B

.rdata
Size: 288KB - Virtual size: 287KB

.data
Size: 11KB - Virtual size: 11KB

.rsrc
Size: 173KB - Virtual size: 172KB

.reloc
Size: 8KB - Virtual size: 8KB